/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #22d3ee;
    --accent-glow: rgba(34, 211, 238, 0.3);
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --bg-elevated: #1e1e2a;
    --text: #e4e4e7;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;
    --border: #27272a;
    --border-light: #3f3f46;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px var(--accent-glow);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ===== Light Mode ===== */
[data-theme="light"] {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #4338ca;
    --accent: #0891b2;
    --accent-glow: rgba(8, 145, 178, 0.2);
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-elevated: #e2e8f0;
    --text: #1e293b;
    --text-muted: #475569;
    --text-dim: #64748b;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 40px var(--accent-glow);
}

[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.95);
}

[data-theme="light"] .hero-bg {
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
}

[data-theme="light"] .logo-symbol,
[data-theme="light"] .visual-letter,
[data-theme="light"] .gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .sticky-cta {
    background: rgba(248, 250, 252, 0.95);
}

[data-theme="light"] .service-number {
    color: var(--border-light);
}

[data-theme="light"] .step-marker span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Theme Toggle Button ===== */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3);
    transition: var(--transition);
    z-index: 9999;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(34, 211, 238, 0.5);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.3s, transform 0.3s;
}

/* Default is dark mode for site3, so show sun icon */
.theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-dark);
}

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 0.5px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-primary {
    background: var(--gradient);
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white !important;
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 15px;
}

.btn-block {
    width: 100%;
}

/* ===== Navigation (Mobile First) ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-symbol {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
}

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

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 12px 0;
}

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

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* ===== Hero (Mobile First) ===== */
.hero {
    position: relative;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    margin-bottom: 48px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text);
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 360px;
    margin: 0 auto;
}

.hero-metrics {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric-divider {
    height: 1px;
    background: var(--border);
}

/* ===== Section Common ===== */
section {
    padding: 80px 0;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
}

/* ===== About (Mobile First) ===== */
.about {
    background: var(--bg-dark);
}

.about-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    position: relative;
    width: 200px;
    height: 200px;
}

.card-accent {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    opacity: 0.2;
    transform: rotate(6deg);
}

.card-content {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.visual-letter {
    font-size: 72px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-tagline {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
}

.about-lead {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 16px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 14px 18px;
    border-radius: var(--radius);
}

.stat-icon {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-item span {
    font-size: 14px;
    color: var(--text);
}

/* ===== Services (Mobile First) ===== */
.services {
    background: var(--bg-card);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 48px;
}

.service-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    position: relative;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
}

.service-card.featured {
    border-color: var(--primary);
}

.featured-label {
    position: absolute;
    top: -1px;
    right: 24px;
    background: var(--gradient);
    color: white;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 0 0 var(--radius) var(--radius);
}

.service-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--border);
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 14px;
}

.service-list {
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.service-list li {
    font-size: 13px;
    color: var(--text-dim);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.subjects-bar {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.subjects-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.subjects-scroll {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.subject {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}

.subject:hover {
    color: var(--text);
    border-color: var(--border-light);
}

.subject.highlight {
    background: var(--gradient);
    border: none;
    color: white;
}

/* ===== Testimonials (Mobile First) ===== */
.testimonials {
    background: var(--bg-dark);
}

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

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 28px;
    border-radius: var(--radius-lg);
    position: relative;
}

.quote-mark {
    font-size: 64px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: -20px;
    opacity: 0.5;
}

.testimonial-card p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-footer {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-line {
    width: 32px;
    height: 2px;
    background: var(--gradient);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text);
    font-size: 14px;
}

.author-detail {
    font-size: 12px;
    color: var(--text-dim);
}

/* ===== Contact (Mobile First) ===== */
.contact {
    background: var(--bg-card);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 18px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-link:hover {
    border-color: var(--primary);
}

.link-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.link-icon svg {
    width: 20px;
    height: 20px;
}

.link-text {
    display: flex;
    flex-direction: column;
}

.link-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.link-value {
    font-weight: 600;
    color: var(--text);
}

.contact-meta {
    display: flex;
    gap: 32px;
}

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

.meta-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.meta-value {
    font-weight: 600;
    color: var(--text);
}

/* ===== Contact Form (Mobile First) ===== */
.contact-form-wrapper {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 28px;
    border-radius: var(--radius-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
}

/* ===== Navigation Phone ===== */
.nav-phone {
    display: none;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-left: auto;
    margin-right: 16px;
    transition: var(--transition);
}

.nav-phone:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-phone svg {
    width: 16px;
    height: 16px;
}

@media (min-width: 640px) {
    .nav-phone {
        display: flex;
    }
}

/* ===== Process Section ===== */
.process {
    background: var(--bg-dark);
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 600px;
    margin: 0 auto;
}

.process-step {
    position: relative;
    padding-left: 80px;
    padding-bottom: 48px;
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-line {
    position: absolute;
    left: 28px;
    top: 56px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--accent) 100%);
}

.step-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-marker span {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
        max-width: none;
    }
    
    .process-step {
        padding-left: 0;
        padding-bottom: 0;
        text-align: center;
    }
    
    .step-line {
        display: none;
    }
    
    .step-marker {
        position: relative;
        margin: 0 auto 24px;
    }
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--bg-card);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.faq-item:hover {
    border-color: var(--border-light);
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-dim);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(45deg);
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Footer (Mobile First) ===== */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 32px;
    text-align: center;
}

.footer-brand p {
    color: var(--text-dim);
    margin-top: 12px;
    font-size: 14px;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.footer-nav a {
    color: var(--text-dim);
    font-size: 14px;
}

.footer-nav a:hover {
    color: var(--text);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-dim);
}

/* ===== Tablet (min-width: 640px) ===== */
@media (min-width: 640px) {
    .btn {
        width: auto;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-metrics {
        flex-direction: row;
        justify-content: center;
        gap: 0;
        padding: 28px 40px;
    }
    
    .metric {
        flex: 1;
    }
    
    .metric-divider {
        width: 1px;
        height: 48px;
    }
    
    .visual-card {
        width: 240px;
        height: 240px;
    }
    
    .visual-letter {
        font-size: 96px;
    }
    
    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-item {
        flex: 1;
        min-width: 200px;
    }
    
    .services-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form-wrapper {
        padding: 36px;
    }
}

/* ===== Desktop (min-width: 1024px) ===== */
@media (min-width: 1024px) {
    .navbar .container {
        height: 72px;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .nav-links {
        position: static;
        flex-direction: row;
        padding: 0;
        gap: 32px;
        border: none;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
    }
    
    .hero {
        padding: 180px 0 120px;
    }
    
    .hero h1 {
        font-size: 64px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        max-width: 560px;
    }
    
    section {
        padding: 120px 0;
    }
    
    .section-header {
        margin-bottom: 64px;
    }
    
    .section-header h2,
    .about-content h2,
    .contact-info h2 {
        font-size: 40px;
    }
    
    .about-grid {
        flex-direction: row;
        align-items: center;
        gap: 80px;
    }
    
    .about-visual {
        flex-shrink: 0;
    }
    
    .visual-card {
        width: 300px;
        height: 300px;
    }
    
    .visual-letter {
        font-size: 120px;
    }
    
    .about-content {
        flex: 1;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: start;
    }
    
    .footer {
        padding: 64px 0 32px;
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
    
    .footer-brand p {
        margin-left: 0;
    }
}

/* ===== Large Desktop (min-width: 1280px) ===== */
@media (min-width: 1280px) {
    .hero h1 {
        font-size: 72px;
    }
}

/* ===== Process Section ===== */
.process {
    background: var(--bg-card);
}

.process-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.process-step {
    display: flex;
    gap: 24px;
    padding: 32px 0;
    position: relative;
}

.step-line {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.process-step:first-child .step-line {
    top: 50%;
}

.process-step:last-child .step-line {
    display: none;
}

.step-marker {
    width: 42px;
    height: 42px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-marker span {
    font-size: 14px;
    font-weight: 700;
    color: white;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .process-grid {
        flex-direction: row;
        gap: 32px;
    }
    
    .process-step {
        flex: 1;
        flex-direction: column;
        text-align: center;
        padding: 0;
    }
    
    .step-line {
        left: 50%;
        top: 21px;
        width: calc(100% + 32px);
        height: 2px;
        bottom: auto;
    }
    
    .process-step:first-child .step-line {
        left: 50%;
        top: 21px;
    }
    
    .step-marker {
        margin: 0 auto 24px;
    }
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--bg-dark);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.faq-item:hover {
    border-color: var(--border-light);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-dim);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Nav Phone ===== */
.nav-phone {
    display: none;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    padding: 8px 16px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius);
    margin-left: auto;
    margin-right: 16px;
}

.nav-phone svg {
    width: 16px;
    height: 16px;
}

@media (min-width: 640px) {
    .nav-phone {
        display: flex;
    }
}

/* ===== Sticky Mobile CTA ===== */
.sticky-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 999;
}

.sticky-cta .btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 15px;
}

@media (min-width: 640px) {
    .sticky-cta {
        display: none;
    }
}

/* Add padding to footer to prevent overlap with sticky CTA */
@media (max-width: 639px) {
    .footer {
        padding-bottom: 100px;
    }
}