/* ============================================
   AS BACA İNŞAAT SİSTEMLERİ
   Endüstriyel Tasarım — v2.0
   ============================================ */

:root {
    --navy: #0f172a;
    --navy-light: #1e293b;
    --steel: #334155;
    --steel-light: #475569;
    --fire: #3a8be1;
    --fire-light: #63baf9;
    --fire-dark: #091e35;
    --amber: #0baff5;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 4px 24px rgba(15,23,42,0.08);
    --shadow-lg: 0 12px 48px rgba(15,23,42,0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-weight: 800;
    color: var(--navy);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

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

ul { list-style: none; }

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

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

.section {
    padding: 120px 0;
}

.bg-light {
    background: var(--bg);
}

.bg-dark {
    background: var(--navy);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--fire);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.75rem;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ============================================
   HEADER
   ============================================ */

header {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 80px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.site-logo {
    height: 56px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--navy);
    padding: 4px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--fire);
    transition: var(--transition);
    border-radius: 1px;
}

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

.btn-quote {
    background: var(--fire) !important;
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
}

.btn-quote:hover {
    background: var(--fire-dark) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(32,96,166,0.3);
}

.btn-quote::after { display: none !important; }

.hamburger {
    display: none;
    cursor: pointer;
    width: 28px;
    height: 22px;
    position: relative;
    z-index: 2000;
}

.bar {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--navy);
    border-radius: 2px;
    transition: var(--transition);
    position: absolute;
    left: 0;
}

.bar:nth-child(1) { top: 0; }
.bar:nth-child(2) { top: 9px; }
.bar:nth-child(3) { top: 18px; }

.hamburger.toggle .bar:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger.toggle .bar:nth-child(2) { opacity: 0; }
.hamburger.toggle .bar:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    margin-top: 80px;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(32,96,166,0.12);
    color: var(--fire);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 8px 20px;
    border-radius: 50px;
    border: 1px solid rgba(32,96,166,0.2);
    margin-bottom: 24px;
}

.hero-slide h1 {
    font-size: 4rem;
    color: #fff;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
    max-width: 700px;
}

.hero-slide p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    max-width: 520px;
    line-height: 1.8;
}

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

.btn-primary {
    display: inline-block;
    background: var(--fire);
    color: #fff;
    padding: 16px 36px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 2px solid var(--fire);
    transition: var(--transition);
    cursor: pointer;
    font-family: inherit;
}

.btn-primary:hover {
    background: var(--fire-dark);
    border-color: var(--fire-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(32,96,166,0.35);
}

.btn-outline {
    display: inline-block;
    color: #fff;
    padding: 16px 36px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid rgba(255,255,255,0.3);
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    text-align: center;
}

.hero-nav {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 24px;
    z-index: 10;
}

.hero-prev,
.hero-next {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-prev:hover,
.hero-next:hover {
    background: var(--fire);
    border-color: var(--fire);
}

/* ============================================
   SERVICES
   ============================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    padding: 48px 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--fire);
}

.service-card-accent {
    border-color: var(--fire);
    border-width: 1px;
}

.service-icon-wrap {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(32,96,166,0.1), rgba(32,96,166,0.05));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    font-size: 1.6rem;
    color: var(--fire);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    font-size: 0.88rem;
    color: var(--steel-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: var(--fire);
    font-size: 0.75rem;
    width: 16px;
}

/* ============================================
   STATS
   ============================================ */

.stats-section {
    padding: 100px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    text-align: center;
}

.stat-item i {
    font-size: 2.25rem;
    color: var(--fire);
    margin-bottom: 16px;
    display: block;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* ============================================
   ABOUT (KURUMSAL)
   ============================================ */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--fire);
    color: #fff;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 4px solid #fff;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-badge-number {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1;
}

.about-badge span:last-child {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: 0.9;
}

.about-content .section-tag {
    margin-bottom: 8px;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 36px;
    font-size: 0.95rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-feature {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--fire);
}

.about-feature i {
    font-size: 1.5rem;
    color: var(--fire);
    flex-shrink: 0;
    margin-top: 2px;
}

.about-feature h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.about-feature p {
    margin: 0;
    font-size: 0.88rem;
}

/* ============================================
   FEATURES (NEDEN BİZ)
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    padding: 48px 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--fire);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.6rem;
    color: var(--fire);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--fire);
    color: #fff;
}

.feature-card h4 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

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

/* ============================================
   REFERENCES
   ============================================ */

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

.ref-item {
    background: var(--bg-card);
    padding: 32px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--steel-light);
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.ref-item:hover {
    border-color: var(--fire);
    color: var(--navy);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

/* ============================================
   CONTACT
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--bg-card);
    padding: 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--navy);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.92rem;
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--fire);
    outline: none;
    box-shadow: 0 0 0 4px rgba(32,96,166,0.12);
    background: #fff;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    background: var(--navy);
    color: #fff;
    padding: 28px 32px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15,23,42,0.15);
}

.contact-card i {
    font-size: 1.5rem;
    color: var(--fire);
    margin-bottom: 12px;
    display: block;
}

.contact-card h4 {
    color: #fff;
    font-size: 0.9rem;
    margin-bottom: 8px;
    opacity: 0.7;
    font-weight: 600;
}

.contact-card a,
.contact-card span {
    font-size: 0.95rem;
    color: #fff;
    line-height: 1.6;
}

.contact-card a:hover {
    color: var(--fire-light);
}

.message-box {
    margin-top: 16px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.88rem;
}

.message-box.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.message-box.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: var(--navy);
    padding: 80px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
    max-height: 52px;
    width: auto;
    margin-bottom: 16px;
    background: #fff;
    padding: 4px 12px;
    border-radius: 6px;
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem;
    line-height: 1.8;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.6);
}

.footer-links ul li a:hover {
    color: var(--fire-light);
}

.footer-contact ul li {
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact ul li i {
    color: var(--fire);
    font-size: 0.85rem;
    width: 16px;
}

.footer-contact ul li a {
    color: rgba(255,255,255,0.6);
}

.footer-contact ul li a:hover {
    color: var(--fire-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.82rem;
}

/* ============================================
   PAGE HERO (İç Sayfalar)
   ============================================ */

.page-hero {
    margin-top: 80px;
    padding: 120px 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    padding-left: 48px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--fire);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--fire);
}

.timeline-year {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--fire);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.timeline-content h4 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ============================================
   VALUES
   ============================================ */

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.value-card {
    background: var(--bg-card);
    padding: 40px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--fire);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(32,96,166,0.1), rgba(32,96,166,0.05));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.4rem;
    color: var(--fire);
}

.value-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

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

/* ============================================
   COMMERCIAL INFO
   ============================================ */

.commercial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.commercial-card {
    background: var(--bg-card);
    padding: 40px 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.commercial-card h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--fire);
}

.commercial-card ul li {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.6;
}

.commercial-card ul li strong {
    color: var(--text);
    font-weight: 600;
}

.commercial-card ul li i {
    color: var(--fire);
    width: 20px;
    margin-right: 4px;
}

/* ============================================
   CTA BOX
   ============================================ */

.cta-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.cta-content {
    padding: 64px 48px;
}

.cta-content h2 {
    font-size: 2.25rem;
    margin-bottom: 12px;
}

.cta-content p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.cta-image-wrap {
    position: relative;
    overflow: hidden;
    min-height: 300px;
    height: 100%;
}

.cta-image-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(15,23,42,0.25) 100%);
    pointer-events: none;
}

.cta-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.cta-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
    border-radius: 0 var(--radius) var(--radius) 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-box:hover .cta-image img {
    transform: scale(1.05);
}

/* ============================================
   WHATSAPP
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(37,211,102,0.5);
    color: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .references-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-slide h1 { font-size: 3rem; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .commercial-grid { grid-template-columns: 1fr 1fr; }
    .cta-box { grid-template-columns: 1fr; }
    .cta-image-wrap { display: none; }
    .page-hero h1 { font-size: 2.75rem; }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }

    .section-header h2 { font-size: 2rem; }
    .section-tag { font-size: 0.7rem; }

    .hamburger { display: block; }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 28px;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1500;
    }

    .nav-links.active { transform: translateX(0); }

    .nav-links a { font-size: 1.2rem; }
    .nav-links a::after { display: none; }

    .hero { height: 85vh; }

    .hero-slide h1 { font-size: 2.25rem; }
    .hero-slide p { font-size: 1rem; }

    .hero-actions { flex-direction: column; align-items: flex-start; }
    .btn-primary, .btn-outline { width: 100%; text-align: center; }

    .hero-nav { bottom: 24px; gap: 16px; }
    .hero-prev, .hero-next { width: 36px; height: 36px; font-size: 0.85rem; }

    .services-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .stat-number { font-size: 2.25rem; }
    .references-grid { grid-template-columns: repeat(2, 1fr); }

    .contact-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 28px; }
    .form-row { grid-template-columns: 1fr; }

    .page-hero { padding: 80px 0; }
    .page-hero h1 { font-size: 2.25rem; }

    .timeline { padding-left: 24px; }
    .timeline-item { padding-left: 32px; }
    .timeline-item::before { left: -16px; width: 12px; height: 12px; }
    .timeline::before { left: 6px; }

    .values-grid { grid-template-columns: 1fr; }
    .commercial-grid { grid-template-columns: 1fr; }

    .cta-box { grid-template-columns: 1fr; }
    .cta-content { padding: 40px 28px; }
    .cta-image-wrap { display: none; }

    .about-badge { width: 100px; height: 100px; right: -12px; bottom: -12px; }
    .about-badge-number { font-size: 1.6rem; }
    .about-badge span:last-child { font-size: 0.6rem; }

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

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-slide h1 { font-size: 1.75rem; }
    .site-logo { height: 44px; }
    .references-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .ref-item { padding: 20px 16px; font-size: 0.85rem; }
    .service-card { padding: 36px 24px; }
}