/* @import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #000000;
    --bg-panel: rgba(20, 20, 20, 0.75);
    --bg-card: rgba(30, 30, 30, 0.6);
    --primary: #e17c39;
    --primary-hover: #c25f1c;
    --primary-rgb: 225, 124, 57;
    --secondary: #38bdf8;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent: #ec4899;
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(225, 124, 57, 0.5);
    --glow: rgba(225, 124, 57, 0.15);

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(225, 124, 57, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.04) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #2a313d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography & Layout Utility */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 110px;
    transition: height 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: height 0.3s ease, transform 0.3s ease;
}

header.scrolled .header-container {
    height: 80px;
}

header.scrolled .logo-img {
    height: 48px;
}

.logo-img:hover {
    transform: scale(1.02);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    font-size: 1.3rem;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.cta-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #000;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
    display: inline-block;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.5);
}

/* Hero Section */
.hero {
    min-height: 90dvh;
    display: flex;
    align-items: center;
    padding-top: 130px;
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-info {
    animation: slideInLeft 0.8s ease both;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 4px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Trust Strip */
.trust-strip {
    background: rgba(18, 22, 31, 0.5);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.trust-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.trust-container span {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.trust-container span i {
    color: var(--primary);
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--primary);
    position: relative;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border);
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 0.8s ease both;
    animation-delay: 0.2s;
}

.hero-image-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 460px;
    position: relative;
    transform: rotate(2deg);
    transition: transform 0.5s ease;
}

.hero-image-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.hero-image-card img {
    width: 100%;
    border-radius: 16px;
    display: block;
    height: 320px;
    object-fit: cover;
}

.badge-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 16px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    transform: rotate(-4deg);
}

.badge-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-heading);
}

.badge-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.2;
    text-transform: uppercase;
    font-weight: 600;
}

/* About / Delivery terms section */
.about {
    padding: 100px 0;
    border-top: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header h2 span {
    color: var(--primary);
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    transform: scaleY(1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* Catalog Section */
.catalog {
    padding: 100px 0;
    background: rgba(15, 17, 21, 0.5);
    border-top: 1px solid var(--border);
}

.catalog-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 10px 24px;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.25);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.catalog-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
    animation: fadeInUp 0.5s ease both;
}

.catalog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.catalog-img-container {
    height: 220px;
    position: relative;
    overflow: hidden;
    background: #161a21;
}

.catalog-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.catalog-card:hover .catalog-img-container img {
    transform: scale(1.08);
}

.catalog-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.catalog-info {
    padding: 24px;
}

.catalog-info h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

.catalog-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.catalog-specs {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.catalog-specs i {
    color: var(--primary);
    font-size: 0.7rem;
}

.catalog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.catalog-price {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary);
}

.catalog-quote-btn {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    font-family: var(--font-body);
    transition: all 0.3s;
}

.catalog-quote-btn:hover {
    background: var(--primary);
    color: #000;
}

.catalog-download {
    text-align: center;
    margin-top: 50px;
}

/* Custom Request Section */
.custom-request {
    padding: 100px 0;
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(22, 26, 33, 0.4) 100%);
}

.custom-form-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.form-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-panel h3 {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 8px;
    font-family: var(--font-heading);
    border-left: 3px solid var(--primary);
    padding-left: 12px;
}

.form-group {
    margin-bottom: 4px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group textarea, .form-group input, .form-group select {
    width: 100%;
    background: rgba(0, 0, 0, 0.38);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: #fff;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-group textarea:focus, .form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.25);
}

.form-group select option {
    background: #1a1a1a;
    color: #fff;
}

/* AI Chatbot Floating Widget Styling */
.ai-chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    font-family: var(--font-body);
}

.ai-chat-toggle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border: none;
    color: #000;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(var(--primary-rgb), 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ai-chat-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(var(--primary-rgb), 0.6);
}

.chat-badge-pulse {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #10b981;
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
    box-shadow: 0 0 8px #10b981;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.ai-chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 520px;
    background: rgba(22, 26, 33, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chat-window.active {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.chat-header {
    background: rgba(15, 17, 21, 0.6);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar-status {
    position: relative;
}

.chat-bot-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: #000;
    font-weight: 800;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
}

.status-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid #161a21;
}

.status-indicator.online {
    background: #10b981;
}

.chat-header-info {
    flex: 1;
}

.chat-header-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.chat-header-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.chat-close-btn:hover {
    color: #fff;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.chat-msg {
    display: flex;
    max-width: 85%;
    animation: slideUp 0.3s ease;
}

.chat-msg.bot {
    align-self: flex-start;
}

.chat-msg.user {
    align-self: flex-end;
}

.msg-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-msg.bot .msg-bubble {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-top-left-radius: 4px;
}

.chat-msg.user .msg-bubble {
    background: var(--primary);
    color: #000;
    font-weight: 500;
    border-top-right-radius: 4px;
}

.chat-quick-suggestions {
    display: flex;
    gap: 8px;
    padding: 0 20px 16px;
    overflow-x: auto;
    white-space: nowrap;
}

.chat-quick-suggestions::-webkit-scrollbar {
    display: none;
}

.suggestion-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    white-space: nowrap;
}

.suggestion-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.chat-input-area {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
}

.chat-input-area input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 0.9rem;
    padding: 8px 12px;
    font-family: var(--font-body);
}

.chat-input-area input:focus {
    outline: none;
}

.chat-send-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 8px;
    transition: color 0.3s;
}

.chat-send-btn:hover {
    color: var(--primary-hover);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 200ms; }
.typing-dot:nth-child(3) { animation-delay: 400ms; }

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

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

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: #12161f;
    border: 1px solid var(--border);
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    padding: 40px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #fff;
}

.modal-header h3 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* Footer */
footer {
    background: #090b0d;
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links h5 {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-links li {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        margin: 0 auto 32px;
    }

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

    .hero-visual {
        margin-top: 40px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 17, 21, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .ai-chat-window {
        width: calc(100vw - 40px);
        right: -15px;
    }

    .trust-container {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-btn, .btn-secondary {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .catalog-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}