/* ==========================================================================
   DESIGN SYSTEM & VARIABLES - HẢI SẢN MẺ SỚM
   ========================================================================== */
:root {
    --bg-main: #0B132B;          /* Deep Sea Navy */
    --bg-card: #1C2541;          /* Medium Sea Blue */
    --bg-card-light: #222E50;    /* Light Sea Blue for panels */
    --primary: #00B4D8;          /* Electric Cyan */
    --primary-hover: #0096C7;
    --primary-rgb: 0, 180, 216;
    --secondary: #FBBF24;        /* Warm Gold/Amber */
    --secondary-hover: #D97706;
    --text-main: #F4F6FC;        /* Off-white */
    --text-muted: #94A3B8;       /* Cool Grey */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 180, 216, 0.2);
    --font-sans: 'Be Vietnam Pro', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

/* ==========================================================================
   BASE STYLES & RESET
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-main);
    color: var(--text-main);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 5px;
    border: 2px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Helpers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

button, input, select, textarea {
    font-family: inherit;
    outline: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

/* Badges & Section Tags */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 180, 216, 0.1);
    border: 1px solid rgba(0, 180, 216, 0.3);
    color: var(--primary);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-tag {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-header p.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--secondary);
    color: #0b132b;
}

.btn-primary:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
}

.btn-primary-light {
    background-color: rgba(0, 180, 216, 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-primary-light:hover {
    background-color: rgba(0, 180, 216, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

.btn-zalo {
    background-color: #0068ff;
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 104, 255, 0.25);
    margin-bottom: 0.75rem;
}

.btn-zalo:hover {
    background-color: #005ae6;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==========================================================================
   TOP BAR & NAVIGATION HEADER
   ========================================================================== */
.top-notice-bar {
    background: linear-gradient(90deg, #0b132b, #1e293b);
    border-bottom: 1px solid rgba(0, 180, 216, 0.15);
    color: var(--text-main);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    position: relative;
    z-index: 100;
}

.main-header {
    position: sticky;
    top: 0;
    background: rgba(11, 19, 43, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 99;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    gap: 0.25rem;
    white-space: nowrap;
    align-items: center;
}

@media (max-width: 1100px) {
    .logo-text {
        display: none;
    }
}

.logo-bold {
    color: var(--primary);
}

.logo-light {
    color: var(--text-main);
    font-weight: 300;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-nav-toggle .bar {
    width: 28px;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
}

.nav-menu a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu .btn-cta-nav {
    background-color: rgba(0, 180, 216, 0.1);
    border: 1px solid var(--primary);
    white-space: nowrap;
    color: var(--primary);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
}

.nav-menu .btn-cta-nav:hover {
    background-color: var(--primary);
    color: #0b132b;
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.3);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 6rem 0;
    background: radial-gradient(circle at 10% 20%, rgba(30, 41, 59, 0.3) 0%, rgba(11, 19, 43, 0.7) 90%);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--border-glow) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.3;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 20px;
    padding: 10px;
    background: linear-gradient(135deg, var(--border-color), rgba(0, 180, 216, 0.15));
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0, 180, 216, 0.05);
}

.hero-image {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    aspect-ratio: 1/1;
}

/* ==========================================================================
   SIMULATOR SECTION (Why Science)
   ========================================================================== */
.simulator-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.simulator-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 4rem;
}

.simulator-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.simulator-controls h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.control-help {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.range-container {
    margin-bottom: 2.5rem;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--bg-card-light) 100%);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--secondary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
    transition: transform 0.1s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-box {
    background-color: var(--bg-main);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.status-title {
    color: var(--text-muted);
}

.status-value {
    font-weight: 600;
}

#temp-value {
    color: var(--primary);
}

.simulator-visuals {
    position: relative;
    min-height: 350px;
    display: flex;
    align-items: stretch;
}

.visual-panel {
    display: none;
    flex-direction: column;
    background: var(--bg-card-light);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
}

.visual-panel.active {
    display: flex;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.panel-header h4 {
    font-size: 1.1rem;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.indicator.green {
    background-color: #10B981;
    box-shadow: 0 0 8px #10B981;
}

.indicator.red {
    background-color: #EF4444;
    box-shadow: 0 0 8px #EF4444;
}

.panel-img {
    width: 100%;
    border-radius: 8px;
    aspect-ratio: 3/2;
    object-fit: cover;
    margin-bottom: 1rem;
}

.panel-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* Market Graphic Placeholder */
.market-placeholder {
    width: 100%;
    aspect-ratio: 3/2;
    background: radial-gradient(circle, #2d3748 0%, #1a202c 100%);
    border-radius: 8px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
    overflow: hidden;
}

.market-fish-graphic {
    font-size: 4.5rem;
    filter: drop-shadow(0 0 10px rgba(0,0,0,0.5));
    transition: var(--transition-smooth);
}

.bacteria-dots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bacteria-spore {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #84CC16; /* Neon Green */
    border-radius: 50%;
    box-shadow: 0 0 6px #84CC16;
    animation: float-bacteria 3s infinite ease-in-out;
}

@keyframes float-bacteria {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.5; }
    50% { transform: translateY(-10px) scale(1.2); opacity: 1; }
}

.science-explanation-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.science-card {
    background-color: rgba(28, 37, 65, 0.4);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.science-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.science-card p {
    font-size: 0.925rem;
    color: var(--text-muted);
}

/* ==========================================================================
   DIFFERENCE & DOCK TO DOOR SECTION
   ========================================================================== */
.difference-section {
    padding: 6rem 0;
    background: radial-gradient(circle at 90% 80%, rgba(30, 41, 59, 0.2) 0%, transparent 80%);
}

.diff-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background-color: var(--bg-card);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 5rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 800px;
}

.comparison-table th, .comparison-table td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Specific column widths to prevent squishing and ensure readability */
.comparison-table th:nth-child(1),
.comparison-table td:nth-child(1) {
    width: 20%;
    min-width: 150px;
}

.comparison-table th:nth-child(2),
.comparison-table td:nth-child(2) {
    width: 26%;
    min-width: 210px;
}

.comparison-table th:nth-child(3),
.comparison-table td:nth-child(3) {
    width: 26%;
    min-width: 210px;
}

.comparison-table th:nth-child(4),
.comparison-table td:nth-child(4) {
    width: 28%;
    min-width: 230px;
}

.comparison-table th {
    background-color: rgba(11, 19, 43, 0.4);
    font-weight: 700;
    color: var(--text-main);
}

.comparison-table td.feature-name {
    font-weight: 500;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight-col {
    background-color: rgba(0, 180, 216, 0.05);
    border-left: 1px solid rgba(0, 180, 216, 0.15);
    border-right: 1px solid rgba(0, 180, 216, 0.15);
    color: var(--text-main);
}

.comparison-table .text-bold {
    font-weight: 600;
}

/* Steps Dock to Door */
.steps-container {
    border-top: 1px solid var(--border-color);
    padding-top: 5rem;
}

.steps-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 3rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.step-card {
    background-color: rgba(28, 37, 65, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    transition: var(--transition-smooth);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.step-num {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    color: rgba(0, 180, 216, 0.15);
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    line-height: 1;
}

.step-card h5 {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
    padding-right: 1rem;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   COMBO & ESTIMATOR SECTION
   ========================================================================== */
.combo-section {
    padding: 6rem 0;
    background-color: rgba(11, 19, 43, 0.5);
}

.combo-pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto 5rem auto;
}

.combo-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.combo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 180, 216, 0.3);
}

.combo-card.premium {
    background: linear-gradient(180deg, #1C2541 0%, #161D32 100%);
    border: 1px solid rgba(0, 180, 216, 0.3);
}

.combo-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    background-color: rgba(0, 180, 216, 0.15);
    color: var(--primary);
    border: 1px solid rgba(0, 180, 216, 0.3);
}

.combo-badge.premium-badge {
    background-color: var(--secondary);
    color: #0b132b;
    border: none;
}

.combo-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.combo-header h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.combo-header .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: baseline;
}

.combo-header .price .period {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.combo-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.combo-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-grow: 1;
}

.combo-features li {
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.combo-features li::before {
    content: "🐟";
    font-size: 0.85rem;
    line-height: 1.5;
}

.combo-action {
    width: 100%;
}

.combo-action button {
    width: 100%;
}

/* Calculator Card Styling */
.calculator-card {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(28, 37, 65, 0.6) 100%);
    border: 1px solid rgba(0, 180, 216, 0.15);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.calculator-header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.calculator-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.calculator-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.calculator-body {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.95rem;
    font-weight: 500;
}

.calc-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.calc-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--border-glow);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 0.25rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark::after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

.checkbox-container .checkmark::after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid #0b132b;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.calc-result {
    background-color: var(--bg-main);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(0, 180, 216, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-result h4 {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.result-combo-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-details p {
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ==========================================================================
   FOUNDER STORY SECTION
   ========================================================================== */
.founder-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.founder-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4.5rem;
    align-items: center;
}

.founder-info h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.founder-info .quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--primary);
    border-left: 3px solid var(--primary);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.founder-info p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.team-avatars {
    display: flex;
    gap: 2rem;
    margin-top: 2.5rem;
}

.avatar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.avatar-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--bg-card) 100%);
    border: 2px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    color: var(--text-main);
}

.avatar-item span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

.founder-values-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.founder-values-box h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.value-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.value-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    background-color: var(--bg-main);
    border-radius: 8px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.value-item h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.value-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
    padding: 6rem 0;
    background-color: rgba(11, 19, 43, 0.4);
    border-top: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rating {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.comment {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.client-info {
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.client-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

.client-role {
    font-size: 0.8rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.faq-accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 300px; /* arbitrary large value for transition */
    opacity: 1;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   ORDER FORM & CONVERSION SECTION
   ========================================================================== */
.order-form-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, #060b18 100%);
    border-top: 1px solid var(--border-color);
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.order-cta-info h2 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.order-cta-info p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

.benefit-bullets {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.b-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.b-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.15);
    color: #10B981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.b-item span {
    font-weight: 500;
}

.direct-contact-box {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.direct-contact-box p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.phone-link {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.phone-link:hover {
    color: var(--secondary-hover);
}

/* Form Styling */
.order-form-wrapper {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.order-form-wrapper h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.25);
}

textarea.form-control {
    resize: none;
}

.btn-submit {
    margin-top: 1rem;
    padding: 1rem;
}

/* Success Overlay in Form */
.success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-card);
    z-index: 10;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.success-overlay.show {
    display: flex;
}

.success-content {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.success-check {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.1);
    border: 2px solid #10B981;
    color: #10B981;
    font-size: 2.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    animation: scale-up 0.4s ease-out;
}

@keyframes scale-up {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.success-content h4 {
    font-size: 1.5rem;
    color: #10B981;
    margin-bottom: 0.5rem;
}

.success-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.generated-msg-container {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: left;
    margin-bottom: 2rem;
}

.msg-help-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem !important;
}

.msg-preview {
    font-size: 0.85rem;
    font-family: monospace;
    white-space: pre-wrap;
    line-height: 1.5;
    background-color: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.03);
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
    color: var(--text-main);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.main-footer {
    background-color: #070B19;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h4 {
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.footer-tagline {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.footer-about {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-links h5, .footer-contact h5 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.social-icon:hover {
    color: var(--primary);
}

/* ==========================================================================
   RESPONSIVE LAYOUTS & BREAKPOINTS
   ========================================================================== */

/* Mobile view menu toggles */
@media (max-width: 991px) {
    .header-container {
        height: 70px;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-main);
        border-bottom: 1px solid var(--border-color);
        padding: 2rem 1.5rem;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out, opacity 0.3s ease-in-out;
    }

    .nav-menu.show {
        max-height: 500px;
        opacity: 1;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }

    .nav-menu a {
        display: block;
        padding: 0.5rem 0;
        font-size: 1.1rem;
    }

    .nav-menu .btn-cta-nav {
        text-align: center;
    }

    /* Hero Responsive */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
        gap: 2rem;
    }

    /* Simulator Responsive */
    .simulator-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .simulator-visuals {
        min-height: auto;
    }

    /* Difference Cards */
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps-grid .step-card:nth-child(4),
    .steps-grid .step-card:nth-child(5) {
        grid-column: span 1.5; /* align nicely */
    }

    /* Pricing & Combo */
    .combo-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .calculator-body {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Founder */
    .founder-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    /* Order form */
    .order-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Footer */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 767px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid .step-card:nth-child(4),
    .steps-grid .step-card:nth-child(5) {
        grid-column: span 1;
    }

    .simulator-card {
        padding: 1.5rem;
    }

    .calculator-card {
        padding: 1.5rem;
    }

    .order-form-wrapper {
        padding: 1.5rem;
    }

    .footer-bottom-flex {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .science-explanation-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .comparison-table th, .comparison-table td {
        padding: 1.25rem 1rem;
    }
}

/* ==========================================================================
   REAL GALLERY & PRODUCTS SHOWCASE SECTION
   ========================================================================== */
.gallery-section {
    padding: 6rem 0;
    background: radial-gradient(circle at 10% 80%, rgba(30, 41, 59, 0.2) 0%, transparent 80%);
    border-top: 1px solid var(--border-color);
}

.gallery-layout-grid {
    display: flex;
    flex-direction: column;
    max-width: 900px;
    margin: 0 auto;
    gap: 3.5rem;
}

.products-showcase h3, .bts-gallery-show h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    border-left: 3px solid var(--primary);
    padding-left: 0.75rem;
}

.product-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-show-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.product-show-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.prod-img-box {
    width: 100%;
    aspect-ratio: 16/11;
    overflow: hidden;
}

.prod-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-show-card:hover .prod-img-box img {
    transform: scale(1.08);
}

.prod-info-box {
    padding: 1.25rem;
}

.prod-info-box h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.prod-info-box p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Menu Banner Card */
.menu-banner-card {
    display: flex;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(34, 46, 80, 0.6) 100%);
    border: 1px solid rgba(0, 180, 216, 0.2);
    border-radius: 16px;
    padding: 2rem;
    align-items: center;
    gap: 2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.menu-banner-card:hover {
    border-color: var(--primary);
    box-shadow: 0 12px 25px rgba(0, 180, 216, 0.15);
    transform: scale(1.02);
}

.menu-banner-content {
    flex: 1.3;
}

.menu-banner-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.menu-banner-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.menu-banner-img-preview {
    flex: 0.7;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.menu-banner-img-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* BTS Gallery Grid */
.bts-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.gallery-grid-pics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.gallery-pic-item {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 1/1;
    transition: var(--transition-smooth);
}

.gallery-pic-item.featured {
    grid-column: span 2;
    aspect-ratio: 16/10;
}

.gallery-pic-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-pic-item:hover img {
    transform: scale(1.05);
}

.gallery-pic-item:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   MENU LIGHTBOX MODAL
   ========================================================================== */
.menu-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 11, 25, 0.96);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-modal.show {
    display: flex;
    opacity: 1;
}

.close-modal {
    position: absolute;
    top: 2rem;
    right: 3rem;
    font-size: 3.5rem;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.close-modal:hover {
    color: var(--primary);
}

.modal-content-wrapper {
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-menu-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: zoom-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes zoom-in {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Responsive adjustments for new section */
@media (max-width: 991px) {
    .gallery-layout-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .menu-banner-card {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }
    
    .menu-banner-img-preview {
        aspect-ratio: 16/9;
        height: auto;
    }
}

@media (max-width: 480px) {
    .product-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid-pics {
        grid-template-columns: 1fr;
    }
    .gallery-pic-item.featured {
        grid-column: span 1;
    }
}

/* ==========================================================================
   BEHIND THE SCENES GALLERY SECTION
   ========================================================================== */
.bts-section {
    padding: 6rem 0;
    background: radial-gradient(circle at 90% 10%, rgba(30, 41, 59, 0.2) 0%, transparent 80%);
    border-top: 1px solid var(--border-color);
}

.bts-photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 250px;
    gap: 1.5rem;
}

.bts-photo-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.bts-photo-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.bts-photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.bts-photo-card:hover img {
    transform: scale(1.05);
}

.bts-photo-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 30px rgba(0, 180, 216, 0.2);
}

.photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem 1.25rem 1.25rem 1.25rem;
    background: linear-gradient(360deg, rgba(7, 11, 25, 0.9) 0%, rgba(7, 11, 25, 0.4) 60%, transparent 100%);
    color: var(--text-main);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

/* Responsive bts-gallery */
@media (max-width: 991px) {
    .bts-photo-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
    
    .bts-photo-card.large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 567px) {
    .bts-photo-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }
    
    .bts-photo-card.large {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.preset-combos-box {
    background-color: rgba(28, 37, 65, 0.4);
    border: 1px solid rgba(0, 180, 216, 0.25);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
}

.preset-combos-box label {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.preset-combos-box select {
    background-color: var(--bg-main) !important;
    border: 1.5px solid rgba(0, 180, 216, 0.3) !important;
    font-weight: 500;
    color: var(--text-main) !important;
    height: 48px;
}

.preset-combos-box select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.25) !important;
}

.preset-help-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    margin-bottom: 0;
    line-height: 1.4;
}

/* ==========================================================================
   COMBO CUSTOMIZER STYLE
   ========================================================================== */
.calculator-body.customizer {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3rem;
}

.fish-customizer-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.customizer-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.customizer-header-row .col-fish {
    flex: 1.2;
}

.customizer-header-row .col-nutrition-head {
    flex: 1;
    text-align: left;
}

.customizer-header-row .col-qty {
    flex: 0.8;
    text-align: right;
    padding-right: 1.5rem;
}

.fish-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(28, 37, 65, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.fish-item-row:hover {
    border-color: rgba(0, 180, 216, 0.2);
    background-color: rgba(28, 37, 65, 0.5);
}

.fish-item-row .col-fish {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1.2;
}

.fish-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.cart-fish-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1.2;
}

.cart-qty-price-box {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.5rem;
    flex: 1.5;
}

.cart-qty-price-box .row-price {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
    min-width: 90px;
    text-align: right;
}

.delete-btn {
    background-color: rgba(239, 68, 68, 0.08);
    border: 1.5px solid rgba(239, 68, 68, 0.2);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    color: #f87171;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.delete-btn:hover {
    background-color: rgba(239, 68, 68, 0.22);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.45);
    transform: scale(1.08);
}

.delete-btn:active {
    transform: scale(0.95);
}

/* Quantity control and inputs for elder accessibility */
.qty-control {
    display: flex;
    align-items: center;
    background-color: var(--bg-card-light);
    border: 1.5px solid rgba(0, 180, 216, 0.35);
    border-radius: 30px; /* Capsule/Pill shape */
    padding: 2px;
    height: 48px; /* Touch target height */
    width: 136px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    justify-content: space-between;
}

.qty-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background-color: transparent;
    color: var(--text-main);
    font-size: 1.5rem; /* Larger font size */
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    user-select: none;
}

.qty-btn:hover {
    background-color: rgba(0, 180, 216, 0.15);
    color: var(--primary);
}

.qty-btn:active {
    transform: scale(0.9);
}

.qty-input {
    width: 36px;
    height: 42px;
    border: none;
    background: transparent;
    color: var(--text-main);
    font-size: 1.25rem; /* Larger text */
    font-weight: 700;
    text-align: center;
    -moz-appearance: textfield;
}

/* Hide spin buttons */
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Dropdown Menu styling */
.add-fish-wrapper {
    position: relative;
}

.btn-secondary-light {
    background-color: rgba(0, 180, 216, 0.08);
    border: 1px dashed rgba(0, 180, 216, 0.3);
    color: var(--primary);
    font-weight: 600;
    padding: 1rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.btn-secondary-light:hover {
    background-color: rgba(0, 180, 216, 0.15);
    border-style: solid;
}

.btn-secondary-light.disabled,
.btn-secondary-light:disabled {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    cursor: not-allowed;
}

.fish-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    background-color: #172242 !important;
    border: 1.5px solid rgba(0, 180, 216, 0.45) !important;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6) !important;
    z-index: 9999 !important;
    max-height: 280px;
    overflow-y: auto;
    display: none;
    animation: fadeInDropdown 0.25s ease-out;
}

.fish-dropdown.show {
    display: block !important;
}

@keyframes fadeInDropdown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background-color: rgba(0, 180, 216, 0.12);
}

.dropdown-fish-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.dropdown-fish-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary);
}

/* Right Column: Summary Card */
.customizer-right-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calc-result.customizer-result {
    padding: 1.75rem;
    border: 1px solid rgba(0, 180, 216, 0.2);
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.03);
    border-radius: 16px;
    height: auto;
    position: sticky;
    top: 120px;
    align-self: start;
    display: flex;
    flex-direction: column;
}

.summary-details-box {
    margin-bottom: 1.5rem;
}

.summary-fish-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.summary-row span {
    color: var(--text-muted);
}

.summary-row strong {
    color: var(--text-main);
}

.summary-row.delivery-row {
    margin-bottom: 1rem;
}

.text-green {
    color: #10B981 !important;
}

.summary-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1rem;
}

.summary-total-row span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.summary-total-row strong {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.customizer-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.shipping-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
    margin-bottom: 0;
}

/* Nutrition Estimator Panel */
.nutrition-status-card {
    background-color: rgba(28, 37, 65, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 1.5rem;
    border-radius: 16px;
}

.nutrition-grid-panel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.nutri-card-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: rgba(28, 37, 65, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.02);
    padding: 0.75rem 1rem;
    border-radius: 10px;
}

.nutri-card-icon {
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.omega-icon { background-color: rgba(0, 180, 216, 0.1); color: var(--primary); }
.protein-icon { background-color: rgba(251, 191, 36, 0.1); color: var(--secondary); }
.selen-icon { background-color: rgba(16, 185, 129, 0.1); color: #10B981; }
.zinc-icon { background-color: rgba(139, 92, 246, 0.1); color: #8b5cf6; }

.nutri-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.nutri-card-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.nutri-card-value {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Responsive Customizer */
@media (max-width: 991px) {
    .calculator-body.customizer {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .calc-result.customizer-result {
        position: static;
        min-height: auto;
    }
}

@media (max-width: 567px) {
    .calculator-title-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .fish-item-row-cart {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .cart-fish-info {
        text-align: center;
    }

    .cart-qty-price-box {
        justify-content: space-between;
        width: 100%;
        gap: 0.5rem;
    }

    .nutrition-grid-panel {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   B2B PAGE SPECIFIC STYLES
   ========================================================================== */
.b2b-nav-link {
    color: var(--secondary) !important;
    font-weight: 700 !important;
}

.b2b-nav-link:hover {
    color: var(--secondary-hover) !important;
}

/* Products Grid B2B */
.b2b-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.b2b-product-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.b2b-product-card:hover {
    border-color: rgba(245, 166, 35, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(245, 166, 35, 0.05);
}

.b2b-prod-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.b2b-prod-icon {
    font-size: 2.5rem;
}

.b2b-product-card h4 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin: 0;
}

.b2b-prod-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.b2b-prod-specs {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.b2b-prod-specs li {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.b2b-prod-specs li strong {
    color: var(--text-main);
}

/* Trust Signals Row B2B */
.b2b-trust-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.b2b-trust-card {
    background-color: rgba(28, 37, 65, 0.3);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.b2b-trust-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.b2b-trust-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.b2b-trust-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* B2B Success Modal */
.success-modal {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1001;
    animation: modalSlideUp 0.4s ease-out;
}

.success-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.success-modal h3 {
    font-size: 1.75rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.success-modal p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.success-modal p strong {
    color: var(--text-main);
}

/* Responsive B2B */
@media (max-width: 991px) {
    .b2b-products-grid {
        grid-template-columns: 1fr;
    }
    
    .b2b-trust-row {
        grid-template-columns: 1fr;
    }
    
    .b2b-formats-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* B2B Supply Formats Side-by-Side */
.supply-formats-section {
    padding: 6rem 0;
    background: radial-gradient(circle at 50% 50%, rgba(30, 41, 59, 0.25) 0%, transparent 85%);
    border-top: 1px solid var(--border-color);
}

.b2b-formats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3.5rem;
}

.b2b-format-panel {
    background: rgba(28, 37, 65, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.b2b-format-panel.frozen {
    border-left: 4px solid #00B4D8; /* Ice Teal */
}

.b2b-format-panel.fresh {
    border-left: 4px solid #10B981; /* Fresh Green */
}

.b2b-format-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

.b2b-format-panel.frozen:hover {
    border-color: #00B4D8;
}

.b2b-format-panel.fresh:hover {
    border-color: #10B981;
}

.format-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.format-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.frozen .format-badge {
    background-color: rgba(0, 180, 216, 0.1);
    color: #00B4D8;
    border: 1px solid rgba(0, 180, 216, 0.2);
}

.fresh .format-badge {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.format-title-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.format-icon {
    font-size: 2rem;
}

.b2b-format-panel h3 {
    font-size: 1.75rem;
    color: var(--text-main);
    margin: 0;
}

.format-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

.format-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.format-feature-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    line-height: 1.6;
}

.feat-bullet {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
}

.frozen .feat-bullet {
    background-color: rgba(0, 180, 216, 0.1);
    color: #00B4D8;
}

.fresh .feat-bullet {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.format-feature-list li div {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.format-feature-list li strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 0.25rem;
}

/* B2B Product Card Images */
.b2b-product-img-wrapper {
    width: 100%;
    height: 320px; /* Tăng chiều cao để hiển thị trọn vẹn bao bì dọc */
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(11, 19, 43, 0.6); /* Khung nền tối sang trọng để viền ảnh dọc nổi bật */
    display: flex;
    align-items: center;
    justify-content: center;
}

.b2b-product-img {
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain; /* Hiển thị toàn bộ bao bì, không bị cắt xén, không bị bóp méo tỷ lệ */
    display: block;
    margin: 0 auto;
    transition: var(--transition-smooth);
}

.b2b-product-card:hover .b2b-product-img {
    transform: scale(1.05);
}

/* B2B Founder Section */
.b2b-founder-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(28, 37, 65, 0.5) 100%);
    border-top: 1px solid var(--border-color);
}

.b2b-founder-container {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
    align-items: center;
}

.b2b-founder-photo-wrapper {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/5;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.b2b-founder-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.b2b-founder-photo-wrapper:hover .b2b-founder-photo {
    transform: scale(1.03);
}

.b2b-founder-img-col {
    position: relative;
}

.founder-cred-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, #001C44 0%, #002D62 100%);
    border: 1px solid var(--secondary);
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.founder-cred-badge .cred-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.founder-cred-badge .cred-sub {
    font-size: 0.75rem;
    color: var(--text-main);
}

.b2b-founder-info-col h2 {
    font-size: 2.25rem;
    line-height: 1.3;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.founder-profile-header {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.founder-profile-header strong {
    font-size: 1.2rem;
    color: var(--text-main);
}

.founder-profile-header span {
    font-size: 0.9rem;
    color: var(--secondary);
}

.founder-quote {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
    border-left: 3px solid var(--secondary);
    padding-left: 1.5rem;
}

.founder-infrastructure-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.infra-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.infra-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.infra-item strong {
    display: block;
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.infra-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* Responsive adjustment for new sections */
@media (max-width: 991px) {
    .b2b-policy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .b2b-founder-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .b2b-founder-img-col {
        max-width: 480px;
        margin: 0 auto;
    }
    
    .founder-cred-badge {
        right: 0;
        bottom: -15px;
    }
}