/* ============================================
   苏州汝画科技有限公司 - 官网样式
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --accent: #ec4899;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #f8fafc;
    --bg-alt: #f1f5f9;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--bg);
    overflow-x: hidden;
}

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

/* ============ Navigation ============ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: var(--shadow-md);
}

#navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(99,102,241,0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============ Hero ============ */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.particle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
}

.p1 { width: 300px; height: 300px; background: var(--primary); top: -100px; left: -50px; animation: float 8s ease-in-out infinite; }
.p2 { width: 200px; height: 200px; background: var(--secondary); top: 60%; left: 70%; animation: float 10s ease-in-out infinite reverse; }
.p3 { width: 150px; height: 150px; background: var(--accent); top: 20%; right: 10%; animation: float 12s ease-in-out infinite; }
.p4 { width: 180px; height: 180px; background: #06b6d4; bottom: -50px; left: 30%; animation: float 9s ease-in-out infinite reverse; }
.p5 { width: 120px; height: 120px; background: #f59e0b; top: 70%; left: 5%; animation: float 11s ease-in-out infinite; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.05); }
    50% { transform: translate(-10px, 20px) scale(0.95); }
    75% { transform: translate(15px, 10px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 120px 0 80px;
}

.hero-tagline {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(90deg, #818cf8, #c084fc, #f472b6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ============ Section Header ============ */
section {
    padding: 100px 0;
}

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

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text);
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin: 16px auto 0;
}

/* ============ About ============ */
#about {
    background: var(--white);
}


/* ============ About ============ */
#about {
    background: var(--white);
}

.about-brand {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.about-brand-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
}

.about-brand-sub {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.about-brand-cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 28px;
}

.brand-card {
    flex: 1;
    max-width: 260px;
    padding: 32px 20px;
    background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(168,85,247,0.06));
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: var(--radius-lg);
    text-align: center;
}

.brand-char {
    display: inline-block;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
    line-height: 1;
}

.brand-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

.brand-card strong {
    color: var(--text);
}

.about-brand-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.9;
}

.about-sub-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
}

.about-do {
    max-width: 720px;
    margin: 0 auto 48px;
}

.about-do p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 12px;
}

.about-do b {
    color: var(--primary);
    font-weight: 600;
}

.about-philosophy {
    margin-bottom: 48px;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.philosophy-card {
    padding: 32px 24px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.philosophy-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.3);
}

.philosophy-num {
    display: block;
    font-size: 2.4rem;
    font-weight: 900;
    color: rgba(99,102,241,0.12);
    line-height: 1;
    margin-bottom: 8px;
}

.philosophy-card h5 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.philosophy-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

.about-promise {
    margin-bottom: 48px;
}

.promise-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.promise-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.promise-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-color: rgba(99,102,241,0.3);
}

.promise-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
    border-radius: 10px;
    color: var(--primary);
}

.promise-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 2px;
}

.promise-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.about-cta {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
    padding: 48px 32px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    border-radius: var(--radius-lg);
}

.about-cta-quote {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.about-cta p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
}

/* ============ Services ============ */
#services {
    background: var(--bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 40px 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
    border-color: transparent;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
    border-radius: 14px;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.service-tags li {
    padding: 4px 12px;
    background: rgba(99,102,241,0.08);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50px;
}


/* ============ Projects ============ */
#projects {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    padding: 36px 28px;
    background: var(--bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
    border-color: rgba(99,102,241,0.3);
}

.project-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(168,85,247,0.12));
    border-radius: 16px;
    color: var(--primary);
    margin-bottom: 20px;
}

.project-type {
    display: inline-block;
    padding: 3px 12px;
    background: linear-gradient(90deg, rgba(99,102,241,0.12), rgba(168,85,247,0.12));
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 12px;
    align-self: flex-start;
    letter-spacing: 0.5px;
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    padding: 0;
}

.project-tags li {
    padding: 3px 10px;
    background: rgba(99,102,241,0.06);
    border: 1px solid rgba(99,102,241,0.12);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 50px;
}

/* ============ Advantages ============ */
#advantages {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
    color: var(--white);
}

#advantages .section-title {
    color: var(--white);
}

#advantages .section-label {
    color: #a5b4fc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.advantage-item {
    padding: 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.advantage-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255,255,255,0.08);
    line-height: 1;
    margin-bottom: 16px;
    display: block;
}

.advantage-item h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #e0e7ff;
}

.advantage-item p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* ============ Contact ============ */
#contact {
    background: var(--white);
}

.contact-grid, .about-brand-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-desc {
    color: var(--text-light);
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
    border-radius: 12px;
    color: var(--primary);
}

.contact-item strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.contact-form {
    padding: 40px;
    background: var(--bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-hint {
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--text-light);
}

.form-group input.input-error,
.form-group textarea.input-error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

.form-status {
    margin-top: 16px;
    margin-bottom: 0;
    font-size: 0.92rem;
    line-height: 1.5;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    color: #16a34a;
}

.form-status.error {
    display: block;
    color: #dc2626;
}

/* ============ Confirm modal ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.55);
}

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

.modal-box {
    width: 100%;
    max-width: 420px;
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.25);
    animation: modalIn 0.25s ease;
}

.modal-box h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-box p {
    font-size: 0.92rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-actions .btn {
    flex: 1;
}

.modal-actions .btn-outline {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: none;
}

.modal-actions .btn-outline:hover {
    background: #eef2f7;
    border-color: #cbd5e1;
    transform: none;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============ Footer ============ */
#footer {
    background: #0f172a;
    color: rgba(255,255,255,0.6);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.6fr 0.6fr 1.4fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    color: var(--white);
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 12px;
}

.footer-links h4,
.footer-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-links li:not(:has(a)) {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

.footer-icp a {
    color: rgba(255,255,255,0.35);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-icp a:hover {
    color: rgba(255,255,255,0.6);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 24px 0;
    font-size: 0.85rem;
}

.footer-address {
    color: rgba(255,255,255,0.35);
}

/* ============ Back to Top ============ */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 999;
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#backToTop:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ============ Responsive ============ */
@media (max-width: 992px) {
    .about-do,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-brand-cards {
        flex-direction: column;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

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

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

    section {
        padding: 60px 0;
    }

    .hero-content {
        padding: 100px 0 60px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-form {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0;
    }

    .form-row .form-group {
        margin-bottom: 20px;
    }
}