/* ============================================================
   OSİYAP - Modern Design System
   style.css
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  --primary: #1a3fa8;
  --primary-dark: #142e80;
  --secondary: #0ea5e9;
  --accent: #10b981;
  --accent-dark: #059669;
  --dark: #0f1729;
  --text: #334155;
  --text-light: #64748b;
  --light-bg: #f0f6ff;
  --white: #ffffff;
  --border: #e2e8f0;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 12px 40px rgba(26, 63, 168, 0.18);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p { line-height: 1.7; }

/* ---- Section Title Component ---- */
.section-title {
  text-align: center;
  margin-bottom: 64px;
}

.section-title .badge {
  display: inline-block;
  margin-bottom: 12px;
}

.section-title h2 {
  margin-bottom: 16px;
  color: var(--dark);
}

.section-title p {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-title .title-line {
  width: 64px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ---- Badge Component ---- */
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-primary {
  background: rgba(26, 63, 168, 0.1);
  color: var(--primary);
}

.badge-accent {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent);
}

.badge-white {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.4);
}

/* ---- Button Components ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(26, 63, 168, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26, 63, 168, 0.45);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
  border-radius: 12px;
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

/* ---- Card Component ---- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.card-body {
  padding: 28px;
}

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

/* ---- Page Header ---- */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  padding: 96px 0 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.breadcrumbs .sep {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}

.breadcrumbs .current {
  color: var(--white);
  font-size: 0.9rem;
}

/* ---- HEADER / NAV ---- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(15, 23, 41, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}

header.scrolled {
  background: rgba(15, 23, 41, 0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4) !important;
  background: linear-gradient(135deg, var(--accent-dark), #047857) !important;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  z-index: 1100;
}

.menu-toggle:hover {
  background: rgba(255,255,255,0.08);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

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

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Nav Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
}

/* Body offset for fixed header */
body { padding-top: var(--header-height); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 41, 0.92) 0%, rgba(26, 63, 168, 0.75) 60%, rgba(14, 165, 233, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--secondary), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.hero-stat-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px 28px;
  text-align: center;
  min-width: 140px;
}

.hero-stat-card .stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-card .stat-num span {
  color: var(--secondary);
}

.hero-stat-card .stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ---- PROCESS STEPS ---- */
.process-section {
  background: var(--light-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 0;
}

.step-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 auto 20px;
  box-shadow: 0 4px 15px rgba(26, 63, 168, 0.3);
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ---- WHY US ---- */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-us-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--card-shadow-hover);
  position: relative;
}

.why-us-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.why-us-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(26,63,168,0.15), transparent);
  z-index: 1;
  border-radius: var(--radius-xl);
}

.why-us-content h2 {
  margin-bottom: 20px;
  color: var(--dark);
}

.why-us-content > p {
  color: var(--text-light);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.advantage-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--light-bg);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.advantage-item:hover {
  background: rgba(26, 63, 168, 0.06);
  transform: translateX(4px);
}

.advantage-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.advantage-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--dark);
}

.advantage-item p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---- MODELS SECTION ---- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.model-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.model-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}

.model-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.model-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.model-card:hover .model-card-img img {
  transform: scale(1.08);
}

.model-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.model-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.model-card-body p {
  color: var(--text-light);
  font-size: 0.9rem;
  flex: 1;
  margin-bottom: 20px;
}

/* ---- PROJECTS SECTION ---- */
.projects-section {
  background: var(--light-bg);
}

.tab-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 100px;
  border: 2px solid var(--border);
  background: var(--white);
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.project-card-img {
  height: 230px;
  overflow: hidden;
  position: relative;
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-img img {
  transform: scale(1.08);
}

.project-status-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.status-ongoing {
  background: rgba(14, 165, 233, 0.85);
  color: var(--white);
}

.status-completed {
  background: rgba(16, 185, 129, 0.85);
  color: var(--white);
}

.status-development {
  background: rgba(245, 158, 11, 0.85);
  color: var(--white);
}

.project-card-body {
  padding: 24px;
}

.project-location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.project-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.project-card-body p {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.project-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---- INVESTMENT OPTIONS ---- */
.invest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.invest-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.invest-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.invest-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.invest-card:hover img {
  transform: scale(1.08);
}

.invest-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,41,0.92) 0%, rgba(15,23,41,0.2) 60%, transparent 100%);
}

.invest-card-content {
  position: relative;
  z-index: 2;
  padding: 28px;
  width: 100%;
}

.invest-card-content h3 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.invest-card-content p {
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
  margin-bottom: 16px;
}

/* ---- HOW IT WORKS TIMELINE ---- */
.timeline-section {
  background: var(--light-bg);
}

.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.timeline-item {
  display: flex;
  gap: 28px;
  margin-bottom: 36px;
  position: relative;
}

.timeline-dot {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(26, 63, 168, 0.3);
  position: relative;
  z-index: 1;
}

.timeline-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  flex: 1;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.timeline-content:hover {
  box-shadow: var(--card-shadow-hover);
}

.timeline-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

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

/* ---- CONTACT FORM SECTION ---- */
.contact-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.contact-section .section-title h2,
.contact-section .section-title p {
  color: var(--white);
}

.contact-section .section-title p {
  opacity: 0.75;
}

.contact-section .title-line {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.contact-form-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 680px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: rgba(255,255,255,0.85);
}

.form-group.light label {
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: rgba(255,255,255,0.4);
}

.form-control:focus {
  border-color: var(--secondary);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-control.light {
  background: var(--white);
  border: 1.5px solid var(--border);
  color: var(--text);
}

.form-control.light::placeholder {
  color: #94a3b8;
}

.form-control.light:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 63, 168, 0.1);
}

select.form-control {
  cursor: pointer;
}

select.form-control option {
  background: var(--dark);
  color: var(--white);
}

select.form-control.light option {
  background: var(--white);
  color: var(--text);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}

.form-check label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  line-height: 1.5;
}

.form-check.light label {
  color: var(--text-light);
}

/* ---- CTA BANNER ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 64px 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ---- FOOTER ---- */
footer {
  background: var(--dark);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  margin-top: 16px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-contact-item .icon {
  color: var(--secondary);
  font-size: 0.9rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-contact-item span {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
}

/* ---- WHATSAPP FLOATING ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.12) translateY(-3px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ---- ACCORDION (SSS) ---- */
.accordion-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.open {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(26, 63, 168, 0.1);
}

.accordion-header {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 16px;
  transition: var(--transition);
}

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

.accordion-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  flex: 1;
}

.accordion-icon {
  width: 32px;
  height: 32px;
  background: var(--light-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.accordion-item.open .accordion-icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 24px;
}

.accordion-body.open {
  padding: 0 24px 20px;
  max-height: 600px;
}

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

/* SSS Search */
.sss-search-wrap {
  max-width: 560px;
  margin: 0 auto 48px;
  position: relative;
}

.sss-search-wrap input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  border-radius: 100px;
  border: 2px solid var(--border);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
  color: var(--text);
  background: var(--white);
}

.sss-search-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26, 63, 168, 0.08);
}

.sss-search-wrap .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1.1rem;
}

/* ---- BRANCHES ---- */
.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.branch-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.branch-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.branch-card-header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.branch-card-header::after {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.07);
  border-radius: 50%;
}

.branch-card-header h3 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
}

.branch-card-header .branch-type {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.branch-card-body {
  padding: 24px;
}

.branch-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.branch-info-item:last-of-type {
  border-bottom: none;
  margin-bottom: 20px;
}

.branch-info-item .icon {
  color: var(--primary);
  font-size: 0.9rem;
  margin-top: 3px;
  flex-shrink: 0;
  width: 18px;
}

.branch-info-item span {
  color: var(--text-light);
  font-size: 0.88rem;
  line-height: 1.5;
}

.branch-soon {
  background: var(--light-bg);
  border: 2px dashed var(--border);
}

.branch-soon .branch-card-header {
  background: linear-gradient(135deg, #64748b, #94a3b8);
}

.soon-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 8px;
}

/* ---- REVIEWS ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
}

.review-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 5rem;
  line-height: 1;
  font-weight: 800;
  color: rgba(26, 63, 168, 0.06);
  font-family: Georgia, serif;
}

.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}

.review-stars span {
  color: #f59e0b;
  font-size: 1.1rem;
}

.review-text {
  color: var(--text);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.review-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.review-author-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.review-author-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ---- CONTACT PAGE SPECIFIC ---- */
.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--card-shadow);
}

.contact-info-card h2 {
  margin-bottom: 32px;
  font-size: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.contact-info-item:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.contact-info-icon {
  width: 46px;
  height: 46px;
  background: var(--light-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-info-text p,
.contact-info-text a {
  color: var(--text-light);
  font-size: 0.88rem;
  display: block;
  line-height: 1.6;
  transition: var(--transition);
}

.contact-info-text a:hover {
  color: var(--primary);
}

.contact-form-card-light {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--card-shadow);
}

.contact-form-card-light h2 {
  margin-bottom: 28px;
  font-size: 1.5rem;
}

.map-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-top: 48px;
  height: 450px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---- UTILITY CLASSES ---- */
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-light { color: var(--text-light); }

.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }

.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.hidden { display: none !important; }

/* ---- ANIMATIONS ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll animation - initial hidden state */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid::before {
    display: none;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why-us-image img {
    height: 380px;
  }

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

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section { padding: 64px 0; }
  .section-sm { padding: 48px 0; }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .nav-overlay {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + 20px) 20px 20px;
    gap: 4px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050;
    overflow-y: auto;
    border-left: 1px solid rgba(255,255,255,0.08);
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav a {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .main-nav a:last-child {
    border-bottom: none;
    margin-top: 8px;
  }

  .nav-cta {
    text-align: center;
    justify-content: center;
  }

  /* Hero */
  .hero { min-height: 90vh; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-stats { flex-direction: row; gap: 12px; }
  .hero-stat-card { flex: 1; min-width: 0; padding: 16px; }
  .hero-stat-card .stat-num { font-size: 1.5rem; }

  /* Grids */
  .steps-grid { grid-template-columns: 1fr; }
  .models-grid { grid-template-columns: 1fr; }
  .invest-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .branch-grid { grid-template-columns: 1fr; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }

  /* Contact form card */
  .contact-form-card { padding: 28px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Section title */
  .section-title { margin-bottom: 40px; }

  /* Page header */
  .page-header { padding: 72px 0 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-stats { flex-direction: column; }
  .hero-stat-card { width: 100%; }
  .btn-lg { padding: 14px 24px; font-size: 0.95rem; }
}