﻿/* ===================================================
   CEMU STUDIO - Modern Kurumsal Yazılım & AI Stüdyosu
   Tasarım Sistemi & Stil Dosyası
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Rajdhani:wght@500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
    --bg: #06090e;
    --bg-alt: #0a0f18;
    --surface: rgba(13, 19, 31, 0.7);
    --surface-card: rgba(16, 24, 40, 0.65);
    --surface-hover: rgba(22, 34, 58, 0.85);
    --border: rgba(0, 255, 204, 0.15);
    --border-hover: rgba(0, 255, 204, 0.5);
    --primary: #ffffff;
    --text-muted: #94a3b8;
    --accent: #00ffcc;
    --accent-glow: rgba(0, 255, 204, 0.25);
    --accent-blue: #38bdf8;
    --gradient-accent: linear-gradient(135deg, #00ffcc 0%, #38bdf8 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(0,255,204,0.02) 100%);
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 12px;
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    background-color: var(--bg);
    color: var(--primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Canvas */
#networkCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #040609;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
#preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader {
    border: 3px solid rgba(0, 255, 204, 0.1);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 20px var(--accent-glow);
}
.preloader-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--accent);
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* Typography & Section Titles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    color: #fff;
    font-weight: 700;
}

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px auto;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    background: rgba(0, 255, 204, 0.08);
    border: 1px solid rgba(0, 255, 204, 0.2);
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 16px;
    text-transform: uppercase;
}
.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Header & Nav */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(6, 9, 14, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}
header.site-header.scrolled {
    padding: 12px 0;
    background: rgba(6, 9, 14, 0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.logo-wrapper img {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 255, 204, 0.3));
    transition: var(--transition);
}
.logo-wrapper:hover img {
    filter: drop-shadow(0 0 18px rgba(0, 255, 204, 0.6));
    transform: scale(1.02);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
}
.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    transition: var(--transition);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 26px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.btn-primary {
    background: var(--gradient-accent);
    color: #040609;
    box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.5);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    background: rgba(0, 255, 204, 0.1);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.hamburger-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    padding: 180px 0 100px 0;
    position: relative;
    text-align: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 255, 204, 0.08);
    border: 1px solid rgba(0, 255, 204, 0.25);
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 28px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
}
.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    animation: pulse 1.8s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(0,255,204,0.7); }
    70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 10px rgba(0,255,204,0); }
    100% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(0,255,204,0); }
}

.hero-title {
    font-size: 3.8rem;
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    text-transform: uppercase;
}
.hero-title .gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 780px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 70px;
    flex-wrap: wrap;
}

/* Metrics / Terminal Strip */
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 30px;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.metric-item {
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.metric-item:last-child {
    border-right: none;
}
.metric-val {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
    display: block;
}
.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services Section */
.section {
    padding: 100px 0;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px var(--accent-glow);
    background: var(--surface-hover);
}
.service-card:hover::before {
    opacity: 1;
}

.service-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: rgba(0, 255, 204, 0.1);
    border: 1px solid rgba(0, 255, 204, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 24px;
    transition: var(--transition);
}
.service-card:hover .service-icon-box {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 14px;
    line-height: 1.3;
}
.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-bottom: 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #cbd5e1;
}
.service-features li i {
    color: var(--accent);
    font-size: 0.8rem;
}

.service-link {
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: auto;
}
.service-link:hover {
    gap: 12px;
    color: #fff;
}

/* Solutions & Tech Stack */
.solutions-section {
    background: var(--bg-alt);
    border-top: 1px solid rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    margin-top: 40px;
}
.tech-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}
.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 10px 25px rgba(0, 255, 204, 0.15);
}
.tech-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: var(--accent);
}
.tech-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
}
.tech-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Process Timeline */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    margin-top: 20px;
}
.process-step {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 22px;
    position: relative;
    transition: var(--transition);
}
.process-step:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    background: var(--surface-hover);
}
.step-num {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(0, 255, 204, 0.25);
    margin-bottom: 12px;
    display: block;
    transition: var(--transition);
}
.process-step:hover .step-num {
    color: var(--accent);
}
.step-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
}
.step-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Why Choose Us */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.feature-box {
    display: flex;
    gap: 20px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}
.feature-box:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}
.feature-icon {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    border-radius: 10px;
    background: rgba(0, 255, 204, 0.1);
    border: 1px solid rgba(0, 255, 204, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.5rem;
}
.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}
.feature-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.blog-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}
.blog-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 15px 35px rgba(0, 255, 204, 0.15);
}
.blog-card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.blog-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 12px;
}
.blog-title {
    font-size: 1.3rem;
    line-height: 1.35;
    margin-bottom: 12px;
}
.blog-summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
}
.blog-read-more {
    color: var(--accent);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Contact / Project Quote Form */
.contact-section {
    background: radial-gradient(circle at 50% 10%, rgba(0, 255, 204, 0.05) 0%, transparent 60%);
}
.quote-box {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
}

.service-selector {
    margin-bottom: 30px;
}
.service-selector-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: #cbd5e1;
    margin-bottom: 14px;
    display: block;
    letter-spacing: 1px;
}
.chips-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.chip-option {
    cursor: pointer;
}
.chip-option input[type="radio"] {
    display: none;
}
.chip-text {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #cbd5e1;
    transition: var(--transition);
}
.chip-option input[type="radio"]:checked + .chip-text {
    background: rgba(0, 255, 204, 0.15);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group.full-width {
    grid-column: span 2;
}
.form-group label {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: #cbd5e1;
    letter-spacing: 0.5px;
}
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(4, 7, 12, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    background: rgba(4, 7, 12, 0.9);
}
.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    padding: 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 20px;
    display: none;
    text-align: center;
}
.form-status.success {
    background: rgba(0, 255, 204, 0.12);
    border: 1px solid var(--accent);
    color: var(--accent);
    display: block;
}
.form-status.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid #ef4444;
    color: #fca5a5;
    display: block;
}

/* About Section */
.about-box {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 44px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}
.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}
.about-text p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 16px;
}
.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: rgba(4, 7, 12, 0.5);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: 12px;
}
.about-highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.about-highlight-item i {
    color: var(--accent);
    font-size: 1.2rem;
}

/* Footer */
footer.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #040609;
    padding: 70px 0 30px 0;
    position: relative;
    z-index: 2;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}
.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 320px;
}
.footer-col h4 {
    font-size: 1.15rem;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 1px;
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: #64748b;
    flex-wrap: wrap;
    gap: 14px;
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.modal.active {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background: #0d131f;
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}
.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #cbd5e1;
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
}
.modal-close:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0d131f;
    border: 1px solid var(--accent);
    padding: 16px 24px;
    border-radius: 10px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(3, 1fr); }
    .tech-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 75px;
        left: 0;
        width: 100%;
        background: rgba(6, 9, 14, 0.98);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .hamburger-btn { display: flex; }
    .hero-title { font-size: 2.3rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-metrics { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .metric-item { border-right: none; }
    .services-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .about-box { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: span 1; }
    .quote-box { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
}