/* ============================================
   KUBILAY SEZER CONSTRUCTION - STYLES
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #1B2A4A;
    --primary-light: #2A3F6B;
    --primary-dark: #0F1A30;
    --accent: #F97316;
    --accent-light: #FB923C;
    --accent-dark: #EA580C;
    --accent-glow: rgba(249, 115, 22, 0.3);
    --success: #10B981;
    --success-light: #34D399;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-main);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
    color: var(--gray-700);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}
textarea { resize: vertical; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

/* --- Utility --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section { padding: 100px 0; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}
.btn-outline {
    background: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.btn-white {
    background: var(--white);
    color: var(--accent);
    border-color: var(--white);
}
.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* --- Loader --- */
.loader {
    position: fixed; inset: 0;
    background: var(--primary-dark);
    z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-content { text-align: center; }
.loader-icon { font-size: 3rem; color: var(--accent); margin-bottom: 20px; animation: loaderPulse 1s ease infinite; }
.loader-bar { width: 200px; height: 4px; background: var(--primary-light); border-radius: 4px; overflow: hidden; }
.loader-bar-fill { height: 100%; background: var(--accent); border-radius: 4px; animation: loaderFill 1.2s ease forwards; }
@keyframes loaderPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.1); } }
@keyframes loaderFill { from { width: 0; } to { width: 100%; } }

/* --- Header --- */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}
.header.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 10px 0;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
    width: 44px; height: 44px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 1.2rem;
}
.logo-name { font-weight: 800; font-size: 1.05rem; color: var(--white); white-space: nowrap; letter-spacing: 0.3px; }
.header.scrolled .logo-name { color: var(--primary); }

.nav { display: flex; gap: 4px; align-items: center; }
.nav-link {
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--white); background: rgba(255,255,255,0.1); }
.header.scrolled .nav-link { color: var(--gray-600); }
.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active { color: var(--accent); background: rgba(249,115,22,0.08); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone {
    display: flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.8); font-weight: 500; font-size: 0.85rem;
    white-space: nowrap;
}
.header-phone:hover { color: var(--white); }
.header.scrolled .header-phone { color: var(--gray-600); }
.header.scrolled .header-phone:hover { color: var(--accent); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span {
    display: block; width: 24px; height: 2px;
    background: var(--white);
    transition: all var(--transition);
    border-radius: 2px;
}
.header.scrolled .hamburger span { background: var(--primary); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Nav */
.mobile-nav {
    position: fixed; inset: 0;
    background: rgba(15,26,48,0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all var(--transition);
}
.mobile-nav.active { opacity: 1; visibility: visible; }
.mobile-nav-content { text-align: center; display: flex; flex-direction: column; gap: 16px; padding: 24px; width: 100%; max-width: 400px; }
.mobile-nav-link { font-size: 1.4rem; font-weight: 600; color: var(--white); padding: 12px; transition: color var(--transition); }
.mobile-nav-link:hover { color: var(--accent); }
.mobile-phone { color: var(--gray-400); font-size: 1.1rem; margin-top: 16px; }

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
}
.hero-overlay {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(249,115,22,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(16,185,129,0.08) 0%, transparent 50%);
}
.hero-pattern {
    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;
}
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.85rem; font-weight: 500;
    color: var(--success-light);
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}
.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px; margin-left: auto; margin-right: auto;
}

/* Hero Quick Form */
.hero-form-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(20px);
    margin-bottom: 32px;
    max-width: 650px; margin-left: auto; margin-right: auto;
}
.hero-form-header {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    color: rgba(255,255,255,0.6); font-size: 0.85rem;
    margin-bottom: 16px;
}
.hero-form-grid {
    display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px;
    align-items: end;
}
.hero-form select, .hero-form input {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
    color: var(--white);
}
.hero-form select option { color: var(--gray-700); background: var(--white); }
.hero-form select:focus, .hero-form input:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,0.15);
}
.hero-form input::placeholder { color: rgba(255,255,255,0.4); }

/* Hero Trust */
.hero-trust {
    display: flex; justify-content: center; gap: 32px; flex-wrap: wrap;
}
.trust-item {
    display: flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.6); font-size: 0.9rem;
}
.trust-item i { color: var(--success-light); font-size: 1rem; }

/* Hero Scroll */
.hero-scroll {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    z-index: 1;
}
.hero-scroll a {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    color: rgba(255,255,255,0.4);
    transition: all var(--transition);
    animation: scrollBounce 2s ease infinite;
}
.hero-scroll a:hover { border-color: var(--accent); color: var(--accent); }
@keyframes scrollBounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* --- Stats --- */
.stats {
    background: var(--white);
    padding: 60px 0;
    margin-top: -40px;
    position: relative; z-index: 2;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 48px 40px;
}
.stat-card { text-align: center; }
.stat-icon { font-size: 2rem; color: var(--accent); margin-bottom: 12px; }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--primary); display: inline; }
.stat-suffix { font-size: 1.4rem; font-weight: 700; color: var(--accent); display: inline; margin-left: 4px; }
.stat-label { font-size: 0.9rem; color: var(--gray-500); margin-top: 4px; }

/* --- Section Headers --- */
.section-header { text-align: center; margin-bottom: 60px; max-width: 650px; margin-left: auto; margin-right: auto; }
.section-badge {
    display: inline-block;
    font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    background: rgba(249,115,22,0.08);
    border: 1px solid rgba(249,115,22,0.15);
    border-radius: 50px;
    padding: 6px 16px;
    margin-bottom: 16px;
}
.section-title { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--gray-500); line-height: 1.7; }

/* --- Services --- */
.services { background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 3px; background: var(--accent);
    transform: scaleX(0); transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 56px; height: 56px;
    background: rgba(249,115,22,0.08);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--accent);
    margin-bottom: 20px;
    transition: all var(--transition);
}
.service-card:hover .service-icon { background: var(--accent); color: var(--white); }
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 16px; }
.service-link { font-size: 0.85rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.service-link:hover { gap: 10px; }

/* --- Process --- */
.process-grid {
    display: flex; align-items: flex-start; justify-content: center; gap: 20px;
}
.process-card {
    flex: 1; max-width: 320px;
    text-align: center;
    padding: 40px 28px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid var(--gray-100);
    transition: all var(--transition);
}
.process-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.process-number {
    font-size: 3.5rem; font-weight: 900;
    color: rgba(249,115,22,0.08);
    position: absolute; top: 12px; right: 20px;
    line-height: 1;
}
.process-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--white);
    margin: 0 auto 20px;
}
.process-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.process-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.6; }
.process-connector {
    display: flex; align-items: center;
    padding-top: 60px;
    color: var(--gray-300); font-size: 1.4rem;
}

/* --- Why Us --- */
.why-us { background: var(--gray-50); }
.why-us-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why-us-content .section-badge { margin-bottom: 16px; }
.why-us-content .section-title { text-align: left; margin-bottom: 16px; }
.why-us-features { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.why-feature { display: flex; gap: 16px; align-items: flex-start; }
.why-feature-icon {
    width: 48px; height: 48px; min-width: 48px;
    background: rgba(249,115,22,0.08);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--accent);
}
.why-feature h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.why-feature p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.5; }

/* Why Us Visual */
.why-us-visual { position: relative; }
.why-us-card-stack { position: relative; min-height: 400px; }
.why-us-image {
    width: 100%; height: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.why-us-image-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px; color: var(--white);
}
.why-us-image-placeholder i { font-size: 4rem; opacity: 0.3; }
.why-us-image-placeholder span { font-size: 1.2rem; font-weight: 600; text-align: center; opacity: 0.5; }

.floating-card {
    position: absolute; z-index: 2;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 10px;
    font-weight: 600; font-size: 0.9rem;
    color: var(--primary);
    animation: floatCard 3s ease-in-out infinite;
}
.floating-card i { color: var(--accent); font-size: 1.2rem; }
.fc-1 { top: 20px; right: -20px; animation-delay: 0s; }
.fc-2 { bottom: 80px; left: -20px; animation-delay: 1s; }
.fc-3 { bottom: -10px; right: 40px; animation-delay: 2s; }
@keyframes floatCard { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* --- Portfolio --- */
.portfolio-filter { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem; font-weight: 500;
    color: var(--gray-500);
    border: 1px solid var(--gray-200);
    background: var(--white);
    transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--accent); color: var(--white); border-color: var(--accent);
}
.portfolio-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.portfolio-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}
.portfolio-item.hidden { display: none; }
.portfolio-image { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.portfolio-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-item:hover .portfolio-image img { transform: scale(1.08); }
.portfolio-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 40px 24px 24px;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition);
}
.portfolio-item:hover .portfolio-overlay { transform: translateY(0); opacity: 1; }
.portfolio-tag {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    font-size: 0.75rem; font-weight: 600;
    padding: 4px 12px; border-radius: 50px;
    margin-bottom: 8px;
}
.portfolio-overlay h4 { color: var(--white); font-size: 1.1rem; font-weight: 700; }
.portfolio-overlay p { color: rgba(255,255,255,0.7); font-size: 0.85rem; }

/* --- Testimonials --- */
.testimonials { background: var(--gray-50); }
.testimonials-wrapper { position: relative; overflow: hidden; }
.testimonials-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.testimonial-card {
    min-width: 100%;
    padding: 0 40px;
}
.testimonial-card > * { max-width: 700px; margin-left: auto; margin-right: auto; }
.testimonial-stars { margin-bottom: 20px; text-align: center; }
.testimonial-stars i { color: #FBBF24; font-size: 1.1rem; margin: 0 2px; }
.testimonial-text {
    font-size: 1.2rem;
    color: var(--gray-600);
    line-height: 1.8;
    text-align: center;
    font-style: italic;
    margin-bottom: 28px;
}
.testimonial-author {
    display: flex; align-items: center; justify-content: center; gap: 14px;
}
.testimonial-avatar {
    width: 48px; height: 48px;
    background: var(--accent);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 1.1rem;
}
.testimonial-author strong { display: block; color: var(--primary); font-size: 1rem; }
.testimonial-author span { font-size: 0.85rem; color: var(--gray-500); }

.testimonials-nav {
    display: flex; align-items: center; justify-content: center; gap: 20px;
    margin-top: 40px;
}
.testimonial-btn {
    width: 44px; height: 44px;
    border: 2px solid var(--gray-200);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-500);
    transition: all var(--transition);
}
.testimonial-btn:hover { border-color: var(--accent); color: var(--accent); }
.testimonials-dots { display: flex; gap: 8px; }
.testimonial-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition);
}
.testimonial-dot.active { background: var(--accent); width: 28px; border-radius: 10px; }

/* --- CTA Banner --- */
.cta-banner {
    background: linear-gradient(160deg, var(--primary-dark), var(--primary), var(--primary-light));
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(249,115,22,0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(16,185,129,0.06) 0%, transparent 50%);
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 2.4rem); color: var(--white); margin-bottom: 12px; }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 32px; }

/* --- Quote Form --- */
.quote-form-wrapper {
    max-width: 800px; margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 48px;
    border: 1px solid var(--gray-100);
}

/* Progress */
.form-progress { margin-bottom: 40px; }
.progress-bar { height: 4px; background: var(--gray-100); border-radius: 4px; margin-bottom: 20px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.5s ease; width: 33.33%; }
.progress-steps { display: flex; justify-content: space-between; }
.progress-step { display: flex; align-items: center; gap: 10px; }
.step-circle {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700;
    color: var(--gray-400);
    transition: all var(--transition);
}
.progress-step.active .step-circle {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--white);
}
.progress-step.completed .step-circle {
    border-color: var(--success);
    background: var(--success);
    color: var(--white);
}
.progress-step span { font-size: 0.85rem; font-weight: 500; color: var(--gray-400); }
.progress-step.active span { color: var(--primary); }
.progress-step.completed span { color: var(--success); }

/* Form Steps */
.form-step { display: none; }
.form-step.active { display: block; animation: fadeInStep 0.4s ease; }
@keyframes fadeInStep { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.form-step-title {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.3rem; font-weight: 700;
    color: var(--primary);
    margin-bottom: 28px;
}
.form-step-title i { color: var(--accent); }

/* Project Type Grid */
.project-type-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    margin-bottom: 24px;
}
.project-type-card { cursor: pointer; }
.project-type-card input { position: absolute; opacity: 0; pointer-events: none; }
.ptc-inner {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 24px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    text-align: center;
}
.ptc-inner i { font-size: 1.5rem; color: var(--gray-400); transition: color var(--transition); }
.ptc-inner span { font-size: 0.85rem; font-weight: 600; color: var(--gray-600); }
.project-type-card input:checked ~ .ptc-inner {
    border-color: var(--accent);
    background: rgba(249,115,22,0.05);
    box-shadow: 0 0 0 4px var(--accent-glow);
}
.project-type-card input:checked ~ .ptc-inner i { color: var(--accent); }
.ptc-inner:hover { border-color: var(--gray-300); }

/* Form Grid & Groups */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }

/* Checkbox */
.checkbox-label {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 0.88rem; color: var(--gray-600);
    cursor: pointer; font-weight: 400;
}
.checkbox-label input { position: absolute; opacity: 0; }
.checkmark {
    width: 20px; height: 20px; min-width: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition);
    margin-top: 2px;
}
.checkbox-label input:checked ~ .checkmark {
    background: var(--accent);
    border-color: var(--accent);
}
.checkbox-label input:checked ~ .checkmark::after {
    content: ''; display: block;
    width: 5px; height: 10px;
    border: solid var(--white); border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Form Actions */
.form-actions {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 32px; gap: 16px;
}
.form-error {
    color: #EF4444; font-size: 0.85rem; font-weight: 500;
    min-height: 20px; margin-top: 8px;
}

/* Form Success */
.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInStep 0.5s ease;
}
.form-success.active { display: block; }
.success-icon { font-size: 4rem; color: var(--success); margin-bottom: 20px; }
.form-success h3 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.form-success > p { color: var(--gray-500); font-size: 1.05rem; margin-bottom: 28px; line-height: 1.7; }
.success-info {
    display: flex; flex-direction: column; gap: 12px;
    background: var(--gray-50); border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 28px;
}
.success-info div { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: var(--gray-600); }
.success-info i { color: var(--accent); }

/* --- Contact --- */
.contact-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.contact-card {
    text-align: center;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    transition: all var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-icon {
    width: 56px; height: 56px;
    background: rgba(249,115,22,0.08);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--accent);
    margin: 0 auto 16px;
}
.contact-card h4 { font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-card p { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 8px; }
.contact-card a {
    font-weight: 600; color: var(--accent); font-size: 0.95rem;
}
.contact-card a:hover { color: var(--accent-dark); }
.contact-card span { font-weight: 600; color: var(--gray-600); font-size: 0.95rem; }

/* --- Footer --- */
.footer {
    background: var(--gray-900);
    padding: 80px 0 0;
    color: var(--gray-400);
}
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p { margin: 16px 0 24px; font-size: 0.9rem; line-height: 1.7; }
.footer-brand .logo-name { color: var(--white); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition);
}
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.footer-links h4 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.footer-links a {
    display: block; font-size: 0.9rem; color: var(--gray-400);
    padding: 6px 0; transition: all var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 0;
    font-size: 0.8rem; color: var(--gray-500);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    z-index: 100;
    opacity: 0; visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-dark); transform: translateY(-3px); }

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed; bottom: 30px; left: 30px;
    width: 56px; height: 56px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: all var(--transition);
    animation: whatsappPulse 2s ease infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes whatsappPulse { 0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); } 50% { box-shadow: 0 4px 30px rgba(37,211,102,0.6); } }

/* --- Animations --- */
[data-animate] { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
[data-animate="fade-down"] { transform: translateY(-30px); }
[data-animate="fade-right"] { transform: translateX(-30px); }
[data-animate="fade-left"] { transform: translateX(30px); }
[data-animate].animated { opacity: 1; transform: translate(0); }

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

/* Tablet Landscape */
@media (max-width: 1024px) {
    .nav { display: none; }
    .header-phone { display: none; }
    .header-actions .btn { display: none; }
    .hamburger { display: flex; }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .why-us-grid { grid-template-columns: 1fr; gap: 48px; }
    .why-us-content .section-title { text-align: center; }
    .why-us-content .section-subtitle { text-align: center !important; }
    .why-us-features { max-width: 500px; margin-left: auto; margin-right: auto; }
    .why-us-visual { max-width: 500px; margin: 0 auto; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .project-type-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .hero { padding: 100px 0 60px; min-height: auto; }
    .hero-form-grid { grid-template-columns: 1fr; }
    .hero-trust { gap: 20px; }

    .stats { margin-top: -20px; }
    .stats-grid { padding: 32px 24px; gap: 24px; }
    .stat-number { font-size: 2.2rem; }

    .process-grid { flex-direction: column; align-items: center; }
    .process-connector { display: none; }
    .process-card { max-width: 100%; }

    .portfolio-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    .quote-form-wrapper { padding: 32px 24px; }
    .project-type-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: auto; }
    .progress-step span { display: none; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 4px; text-align: center; }
}

/* Mobile */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .section { padding: 56px 0; }

    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-form-card { padding: 16px; }
    .hero-badge { font-size: 0.75rem; padding: 6px 14px; }
    .hero-trust { flex-direction: column; align-items: center; gap: 8px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px 16px; }
    .stat-number { font-size: 1.8rem; }
    .stat-icon { font-size: 1.5rem; }

    .services-grid { grid-template-columns: 1fr; }
    .service-card { padding: 28px 20px; }

    .project-type-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .ptc-inner { padding: 16px 8px; }
    .ptc-inner i { font-size: 1.2rem; }
    .ptc-inner span { font-size: 0.78rem; }

    .quote-form-wrapper { padding: 24px 16px; border-radius: var(--radius-lg); }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .btn { width: 100%; justify-content: center; }

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

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

    .section-title { font-size: 1.6rem; }

    .whatsapp-float { width: 48px; height: 48px; font-size: 1.3rem; bottom: 20px; left: 20px; }
    .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* --- Hero Live Counter --- */
.hero-live-counter {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.88rem; color: var(--success-light);
    margin-bottom: 12px;
    backdrop-filter: blur(10px);
}
.live-dot {
    width: 8px; height: 8px;
    background: var(--success-light);
    border-radius: 50%;
    animation: livePulse 1.5s ease infinite;
}
@keyframes livePulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.8); } }
.hero-live-counter strong { font-weight: 800; font-size: 1rem; }

/* --- Why Us Image --- */
.why-us-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

/* --- FAQ --- */
.faq { background: var(--gray-50); }
.faq-list { max-width: 750px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.faq-question {
    width: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px;
    font-size: 1rem; font-weight: 600;
    color: var(--primary);
    background: none; border: none; cursor: pointer;
    text-align: left;
    gap: 16px;
    transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question i {
    font-size: 0.8rem; color: var(--gray-400);
    transition: transform var(--transition), color var(--transition);
    flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s;
    padding: 0 24px;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}
.faq-answer p { font-size: 0.92rem; color: var(--gray-500); line-height: 1.7; }

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 30px rgba(0,0,0,0.1);
    z-index: 9999;
    padding: 20px 0;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-content {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.cookie-text { display: flex; align-items: center; gap: 12px; flex: 1; }
.cookie-text i { font-size: 1.5rem; color: var(--accent); flex-shrink: 0; }
.cookie-text p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.5; margin: 0; }
.cookie-text a { color: var(--accent); font-weight: 600; text-decoration: underline; }
.cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* --- Legal Pages --- */
.legal-page {
    padding: 60px 0 80px;
    min-height: calc(100vh - 140px);
}
.legal-page h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem; font-weight: 800;
    color: var(--primary); margin-bottom: 8px;
}
.legal-updated { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 40px; }
.legal-page section { margin-bottom: 36px; }
.legal-page h2 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.legal-page p { font-size: 0.95rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 12px; }
.legal-page ul { list-style: none; padding: 0; margin-bottom: 12px; }
.legal-page li { font-size: 0.95rem; color: var(--gray-600); line-height: 1.7; padding: 4px 0 4px 20px; position: relative; }
.legal-page li::before { content: ''; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.legal-page a { color: var(--accent); font-weight: 500; }

/* --- Responsive additions --- */
@media (max-width: 768px) {
    .cookie-content { flex-direction: column; text-align: center; }
    .cookie-text { flex-direction: column; }
    .cookie-actions { width: 100%; justify-content: center; }
    .legal-page { padding: 40px 0 60px; }
    .legal-page h1 { font-size: 1.6rem; }
}

/* Animations: reduce motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
    [data-animate] { opacity: 1; transform: none; }
}