/* CSS Reset & Variables */
:root {
    --primary-navy: #1a2744;
    --primary-blue: #2c3e6b;
    --accent-gold: #c9a84c;
    --accent-light: #e8d5a3;
    --brand-red: #d42d32;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success: #2ecc71;
    --error: #e74c3c;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo img {
    height: 50px;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-gold);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--brand-red);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, rgba(26, 39, 68, 0.75) 0%, rgba(44, 62, 107, 0.3) 50%, transparent 100%), url('/images/hero-bg.jpg?v=2') center / 100vw 100% no-repeat;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(201,168,76,0.1)" stroke-width="0.5"/></svg>') repeat;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-white);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--accent-light);
    max-width: 700px;
    margin: 0 auto 30px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-text-box {
    background: rgba(26, 39, 68, 0.85);
    padding: 20px 30px;
    border-radius: 12px;
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.btn-primary {
    display: inline-block;
    background: var(--accent-gold);
    color: var(--primary-navy);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Photo Banner */
.scrolling-banner {
    background: linear-gradient(135deg, #0a1628 0%, #1a2744 50%, #2c3e6b 100%);
    padding: 50px 60px;
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1400px;
    margin: 0 auto;
    gap: 40px;
}

.banner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.photo-pair {
    display: flex;
    gap: 5px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.4);
    border-radius: 15px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
}

.photo-pair:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-gold);
    transform: scale(1.08);
    box-shadow: 0 15px 50px rgba(201, 168, 76, 0.3);
}

.photo-pair img {
    height: 180px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
}

.banner-label {
    color: var(--accent-gold);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    margin-top: 18px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1.6;
}

.banner-label span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--accent-light);
    text-transform: none;
}

/* Sections */
.reviews-section,
.submit-section,
.technical-section {
    padding: 100px 20px;
}

.reviews-section {
    background: linear-gradient(to right, rgba(26, 39, 68, 0.85) 0%, rgba(44, 62, 107, 0.75) 50%, rgba(26, 39, 68, 0.85) 100%), url('/images/hero-bg2.jpg') center / 100vw 100% no-repeat;
    background-attachment: fixed;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--text-white);
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--accent-light);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* Reviews Filter */
.reviews-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--primary-navy);
    background: transparent;
    color: var(--primary-navy);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-navy);
    color: var(--text-white);
}

/* Reviews Grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

/* Review Cards - Desktop */
.review-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.review-card::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 80px;
    color: var(--accent-gold);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.reviewer-info h4 {
    color: var(--primary-navy);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.reviewer-location {
    color: var(--text-light);
    font-size: 0.9rem;
}

.review-rating {
    display: flex;
    gap: 3px;
}

.star {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.star.empty {
    color: var(--border-color);
}

.review-boat {
    display: inline-block;
    background: var(--bg-light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.review-title {
    color: var(--primary-navy);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.review-text {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.review-photo {
    width: 100%;
    border-radius: 10px;
    margin-top: 15px;
}

/* Read More / Show Less Button (hidden on desktop) */
.review-read-more {
    display: none;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 40px;
}

.loading-spinner.active {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Submit Section */
.submit-section {
    background: var(--bg-white);
}

.submit-card {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-light);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-sm);
}

.submit-card h2 {
    color: var(--primary-navy);
    margin-bottom: 10px;
}

.submit-card > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.review-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
    tab-index: -1;
}

.form-error {
    background: #fee;
    border: 1px solid #e74c3c;
    color: #c0392b;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.form-hint {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Star Rating */
.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 5px;
}

.star-rating input {
    display: none;
}

.star-rating label {
    cursor: pointer;
    font-size: 2rem;
    color: var(--border-color);
    transition: var(--transition);
}

.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
    color: var(--accent-gold);
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.file-label:hover {
    border-color: var(--accent-gold);
    background: rgba(201, 168, 76, 0.05);
}

.file-label svg {
    color: var(--accent-gold);
}

.file-preview {
    margin-top: 10px;
}

.file-preview img {
    max-width: 200px;
    border-radius: 10px;
}

/* Submit Button */
.btn-submit {
    background: var(--primary-navy);
    color: var(--text-white);
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-submit:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.spinner-small {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Success Message */
.form-success {
    text-align: center;
    padding: 40px;
}

.form-success h3 {
    color: var(--success);
    font-size: 1.8rem;
    margin: 20px 0 10px;
}

.form-success p {
    color: var(--text-light);
}

/* Technical Section */
.technical-section {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
}

.technical-section .section-title {
    color: var(--text-white);
}

.technical-section .section-subtitle {
    color: var(--accent-light);
}

.technical-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.tech-card {
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.9) 0%, rgba(44, 62, 107, 0.85) 100%), url('/images/hero-bg2.jpg') center / cover no-repeat;
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 35px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition);
    overflow: visible;
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-icon svg {
    color: var(--primary-navy);
}

.tech-card h3 {
    color: var(--text-white);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.tech-card p {
    color: var(--accent-light);
    line-height: 1.7;
}

.tech-card-photo {
    width: 100%;
    height: auto;
    min-height: 180px;
    border-radius: 12px;
    overflow: visible;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-card-photo img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.tech-card:hover .tech-card-photo img {
    transform: scale(2.5);
}

/* Technical Section Extended Styles */
.tech-intro {
    text-align: center;
    margin-bottom: 60px;
}

.tech-lead {
    color: var(--accent-light);
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto 20px;
}

.tech-tagline {
    color: var(--accent-gold);
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 20px;
}

.tech-section-heading {
    color: var(--accent-gold);
    font-size: 1.8rem;
    margin: 60px 0 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(201, 168, 76, 0.3);
}

.tech-section-text {
    color: var(--accent-light);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.tech-features-box {
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.85) 0%, rgba(44, 62, 107, 0.8) 100%), url('/images/hero-bg.jpg') center / cover no-repeat;
    border-radius: 15px;
    padding: 30px;
    margin: 30px 0;
    border-left: 4px solid var(--accent-gold);
}

.tech-features-box h4 {
    color: var(--text-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.tech-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-features-list li {
    color: var(--accent-light);
    padding: 10px 0 10px 30px;
    position: relative;
    line-height: 1.6;
}

.tech-features-list li::before {
    content: '\25BA';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
}

.tech-use-cases {
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.85) 0%, rgba(44, 62, 107, 0.8) 100%), url('/images/hero-bg.jpg') center / cover no-repeat;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.tech-use-cases p {
    color: var(--accent-light);
    margin-bottom: 15px;
}

.tech-use-cases ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.tech-use-cases li {
    color: var(--accent-light);
    padding: 8px 0 8px 25px;
    position: relative;
}

.tech-use-cases li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.tech-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(26, 39, 68, 0.85) 0%, rgba(44, 62, 107, 0.75) 100%), url('/images/hero-bg2.jpg') center / cover no-repeat;
    border-radius: 20px;
    padding: 50px 40px;
    margin-top: 60px;
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.tech-cta p {
    color: var(--accent-light);
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.7;
}

.tech-cta p:first-child {
    color: var(--text-white);
    font-size: 1.4rem;
}

.tech-cta .btn-primary {
    margin-top: 20px;
}

/* Footer */
.footer {
    background: var(--bg-white);
    padding: 80px 20px 30px;
    color: var(--text-dark);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo img {
    height: 60px;
}

.footer-info h3,
.footer-links h3,
.footer-social h3 {
    color: var(--primary-navy);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-info p {
    margin-bottom: 10px;
    color: var(--text-light);
}

.footer-info a {
    color: var(--text-dark);
}

.footer-info a:hover {
    color: var(--accent-gold);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--primary-navy);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: var(--bg-white);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-white);
    padding: 16px 24px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    max-width: 350px;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast-icon {
    width: 24px;
    height: 24px;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--error);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in.delay-1 {
    animation-delay: 0.2s;
}

.fade-in.delay-2 {
    animation-delay: 0.4s;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — Tablet & Below (992px)
   ============================================================ */
@media (max-width: 992px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--brand-red);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        color: var(--text-white);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   RESPONSIVE — Mobile (768px and below)
   ============================================================ */
@media (max-width: 768px) {

    /* -- 5. Section Padding -- */
    .reviews-section,
    .submit-section,
    .technical-section,
    .scrolling-banner {
        padding-left: 16px;
        padding-right: 16px;
    }

    /* -- 4. Font Sizes -- */
    .hero h1,
    .section-title {
        font-size: 26px;
    }

    .section-subtitle,
    .tech-section-heading {
        font-size: 20px;
    }

    .tech-card h3,
    .reviewer-info h4 {
        font-size: 17px;
    }

    /* -- 1. Hamburger Menu -- */
    .nav-container {
        padding: 15px 16px;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--brand-red);
        flex-direction: column;
        padding: 0;
        gap: 0;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(255,255,255,0.15);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        color: var(--text-white);
        display: block;
        padding: 14px 20px;
        font-size: 15px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn span {
        background: var(--brand-red);
    }

    /* -- 10. Logo max-width -- */
    .logo img {
        max-width: 200px;
        height: auto;
    }

    /* -- 2. Image Pairs stack vertically -- */
    .photo-pair {
        flex-direction: column;
        align-items: center;
        transform: scale(1);
    }

    .photo-pair:hover {
        transform: scale(1.02);
    }

    .photo-pair img {
        width: 100%;
        height: auto;
    }

    /* -- 3. Transmitter Cards single column -- */
    .technical-content {
        grid-template-columns: 1fr;
    }

    .tech-card:hover .tech-card-photo img {
        transform: scale(1.3);
    }

    /* -- 6. Form Fields 100% width, min-height 48px, font-size 16px -- */
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        min-height: 48px;
        font-size: 16px;
    }

    .form-group textarea {
        min-height: 120px;
    }

    /* -- 7. Submit Button -- */
    .btn-submit {
        width: 100%;
        min-height: 52px;
        background: var(--brand-red);
        color: var(--text-white);
        font-size: 16px;
    }

    .btn-submit:hover {
        background: #b82228;
    }

    /* -- 8. Footer Links tap height -- */
    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links a {
        display: inline-block;
        min-height: 44px;
        line-height: 44px;
        padding: 0 4px;
    }

    /* -- Reviews Grid -- */
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .review-card {
        border-radius: 10px;
        padding: 16px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    }

    .review-card::before {
        display: none;
    }

    .review-header {
        flex-direction: column;
        gap: 8px;
    }

    .review-rating {
        order: -1;
    }

    .review-boat {
        display: block;
    }

    /* -- 16. Mobile Review Cards (collapsed by default) -- */
    .review-card .review-text {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .review-card .review-photo {
        display: none;
    }

    .review-read-more {
        display: inline-block;
        background: none;
        border: none;
        color: var(--brand-red);
        font-weight: 600;
        font-size: 0.9rem;
        cursor: pointer;
        padding: 8px 0;
        min-height: 44px;
        line-height: 44px;
    }

    .review-card.expanded .review-text {
        display: block;
        -webkit-line-clamp: unset;
        overflow: visible;
    }

    .review-card.expanded .review-photo {
        display: block;
    }

    /* -- Other mobile tweaks -- */
    .hero {
        min-height: 40vh;
        padding: 100px 16px 40px;
    }

    .hero-text-box {
        padding: 16px 20px;
    }

    .submit-card {
        padding: 30px 20px;
    }

    .tech-cta {
        padding: 30px 20px;
    }

    .tech-features-box {
        padding: 20px;
    }

    .banner-content {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* ============================================================
   RESPONSIVE — Small Mobile (480px and below)
   ============================================================ */
@media (max-width: 480px) {
    .hero h1,
    .section-title {
        font-size: 22px;
    }

    .btn-primary {
        padding: 12px 30px;
        font-size: 14px;
    }

    .submit-card {
        padding: 25px 16px;
    }
}