/* ============================================
   DECOR SEZER - Main Stylesheet
   Professional renovation & insulation company
   Since 1996 - Niederbronn-les-Bains
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --primary: #0c2340;
  --primary-light: #1a3a5c;
  --primary-dark: #081828;
  --accent: #ffcd35;
  --accent-light: #ffe17a;
  --accent-dark: #fea419;
  --dark: #0a1628;
  --dark-soft: #0c2340;
  --text: #1d1e20;
  --text-muted: #727586;
  --bg: #f2f3f6;
  --bg-warm: #eaebf0;
  --bg-card: #ffffff;
  --white: #ffffff;
  --border: #dadce0;
  --success: #00b090;

  /* Typography */
  --font-display: 'DM Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* Spacing (8px grid) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 20, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 20, 40, 0.08);
  --shadow-lg: 0 8px 32px rgba(26, 20, 40, 0.12);
  --shadow-xl: 0 16px 48px rgba(26, 20, 40, 0.16);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  /* Dark canvas so the rubber-band overscroll matches the dark header/footer instead of flashing white */
  background-color: var(--dark);
  overscroll-behavior-y: none;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
}

::selection {
  background-color: var(--primary-light);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-warm);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dark);
}

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  margin-bottom: var(--space-4);
  color: var(--text-muted);
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.7;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section--dark {
  background-color: var(--dark);
  color: var(--white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.7);
}

.section--warm {
  background-color: var(--bg-warm);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

.section-header .overline {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.section--dark .section-header .overline {
  color: var(--accent-light);
}

.section-header h2 {
  margin-bottom: var(--space-6);
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
  min-height: 48px;
}

.btn:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

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

.btn--primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--outline:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--accent {
  background-color: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.btn--accent:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--white:hover {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  min-height: 56px;
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  min-height: 40px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-5) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3) 0;
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition-base);
}

.navbar.scrolled .navbar__logo {
  color: var(--dark);
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: var(--text-lg);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-2) 0;
}

.navbar.scrolled .navbar__link {
  color: var(--text-muted);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--white);
}

.navbar.scrolled .navbar__link:hover,
.navbar.scrolled .navbar__link.active {
  color: var(--primary);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__cta {
  margin-left: var(--space-4);
}

/* Mobile menu toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--white);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.navbar.scrolled .navbar__toggle span {
  background-color: var(--dark);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 50%, var(--primary-dark) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
}

.hero__badge svg {
  width: 16px;
  height: 16px;
  fill: var(--accent);
}

.hero__title {
  font-size: var(--text-6xl);
  color: var(--white);
  margin-bottom: var(--space-6);
  line-height: 1.05;
}

.hero__title span {
  color: var(--accent);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-10);
  line-height: 1.6;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Decorative shapes */
.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  background: var(--primary-light);
}

.hero__shape--1 {
  width: 500px;
  height: 500px;
  top: -100px;
  right: -100px;
}

.hero__shape--2 {
  width: 300px;
  height: 300px;
  bottom: 100px;
  right: 200px;
  background: var(--accent);
}

.hero__shape--3 {
  width: 200px;
  height: 200px;
  bottom: -50px;
  left: 30%;
  background: var(--accent);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  position: relative;
  padding: var(--space-32) 0 var(--space-20);
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.page-hero__content {
  position: relative;
  z-index: 2;
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-6);
}

.page-hero__breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.page-hero__breadcrumb a:hover {
  color: var(--accent-light);
}

.page-hero__breadcrumb svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--white);
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  margin-bottom: var(--space-4);
}

.card p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --- Service Cards --- */
.service-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card__image {
  height: 240px;
  background: linear-gradient(135deg, var(--primary-dark), var(--dark-soft));
  position: relative;
  overflow: hidden;
}

.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 20, 40, 0.4), transparent);
}

.service-card__image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.2);
}

.service-card__image-placeholder svg {
  width: 64px;
  height: 64px;
}

.service-card__body {
  padding: var(--space-8);
}

.service-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--bg-warm);
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.service-card h3 {
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition-fast);
}

.service-card__link:hover {
  gap: var(--space-3);
}

.service-card__link svg {
  width: 16px;
  height: 16px;
}

/* --- Testimonials --- */
.testimonial {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  border: 1px solid var(--border);
  position: relative;
}

.testimonial__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  color: var(--accent);
}

.testimonial__stars svg {
  width: 18px;
  height: 18px;
  fill: var(--accent);
}

.testimonial__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--dark);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: var(--text-lg);
}

.testimonial__name {
  font-weight: 600;
  color: var(--dark);
}

.testimonial__role {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding: var(--space-12) 0;
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.section--dark .stat__number {
  color: var(--accent-light);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(200, 149, 108, 0.15);
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--space-6);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  max-width: 560px;
  margin: 0 auto var(--space-10);
}

.cta-section .btn-group {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background-color: var(--dark);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-20) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}

.footer__col h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.footer__col ul li {
  margin-bottom: var(--space-3);
}

.footer__col ul li a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__col ul li a:hover {
  color: var(--accent-light);
}

.footer__certif {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  margin-top: var(--space-6);
}

.footer__certif-badge {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--success), #34d058);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.footer__certif-text {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

.footer__certif-text strong {
  color: rgba(255, 255, 255, 0.8);
  display: block;
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.footer__socials {
  display: flex;
  gap: var(--space-4);
}

.footer__socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
}

.footer__socials a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__socials svg {
  width: 18px;
  height: 18px;
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 60, 196, 0.15);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

/* --- Map --- */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  border: 1px solid var(--border);
}

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

/* --- Contact Info --- */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0;
}

.contact-info__value a {
  color: var(--primary);
  transition: color var(--transition-fast);
}

.contact-info__value a:hover {
  color: var(--primary-dark);
}

/* --- Gallery / Realisations --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--dark-soft), var(--primary-dark));
  cursor: pointer;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 20, 40, 0.7), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  z-index: 2;
  transform: translateY(10px);
  opacity: 0;
  transition: all var(--transition-base);
}

.gallery-item:hover .gallery-item__info {
  transform: translateY(0);
  opacity: 1;
}

.gallery-item__info h4 {
  color: var(--white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.gallery-item__info p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.gallery-item__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.15);
}

.gallery-item__placeholder svg {
  width: 48px;
  height: 48px;
}

.gallery-item--large {
  grid-column: span 2;
  grid-row: span 2;
}

/* --- Filter tabs --- */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--space-12);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-10);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-12) + 10px);
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--bg);
  z-index: 1;
}

.timeline__year {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.timeline__title {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--space-2);
}

.timeline__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* --- Values --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.value-card {
  text-align: center;
  padding: var(--space-10);
}

.value-card__number {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 700;
  color: var(--primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: var(--space-4);
}

.value-card h3 {
  margin-bottom: var(--space-4);
}

/* --- Process --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
  counter-increment: step;
}

.process-step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
}

.process-step h4 {
  margin-bottom: var(--space-3);
}

.process-step p {
  font-size: var(--text-sm);
}

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--dark);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

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

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

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__inner {
  padding-bottom: var(--space-6);
}

.faq-answer p {
  font-size: var(--text-base);
  line-height: 1.7;
}

/* --- Mobile menu overlay --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--white);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--accent);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }

  .hero__title { font-size: var(--text-4xl); }

  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--large { grid-column: span 1; grid-row: span 1; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: var(--space-16) 0; }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .hero { min-height: auto; padding: var(--space-32) 0 var(--space-16); }
  .hero__title { font-size: var(--text-3xl); }
  .hero__stats { flex-direction: column; gap: var(--space-6); }

  .navbar__links { display: none; }
  .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .page-hero { padding: var(--space-24) 0 var(--space-12); }

  .footer__bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: var(--text-2xl); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
}

/* --- Print --- */
@media print {
  .navbar, .mobile-menu, .cta-section, .footer__socials { display: none; }
  .hero { min-height: auto; padding: var(--space-8) 0; }
  body { color: #000; background: #fff; }
  .section { padding: var(--space-8) 0; }
}

/* --- Brand logo (real Decor Sezer logo on a white plate so it reads on dark backgrounds) --- */
.brand-logo {
  height: 48px;
  width: auto;
  background: var(--white);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  display: block;
}

.navbar.scrolled .brand-logo {
  height: 42px;
}

.footer__logo .brand-logo {
  height: 56px;
}

/* --- Real project photos --- */
.photo-frame {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md, 0 10px 30px rgba(0, 0, 0, 0.12));
}

.photo-frame img,
.gallery-item > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item > img {
  position: absolute;
  inset: 0;
  transition: transform var(--transition-base);
}

.gallery-item:hover > img {
  transform: scale(1.04);
}

.photo-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.photo-duo .photo-frame {
  aspect-ratio: 3/4;
}

.coloris-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}

.coloris-grid img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}

.certif-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.certif-logos img {
  height: 90px;
  width: auto;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}

@media (max-width: 640px) {
  .coloris-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Contact form status --- */
.form-status {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  text-align: center;
}

.form-status:empty {
  display: none;
}

.form-status--success {
  color: var(--success);
}

.form-status--error {
  color: #e53e3e;
}