/* Whart29 | whart-custom.fr */
/* Design: Dark blue, cyan, light - Creative modern design */

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

:root {
  --blue: #0a1628;
  --blue-mid: #0f1f3d;
  --blue-light: #162a50;
  --cyan: #06b6d4;
  --cyan-light: #22d3ee;
  --cyan-pale: #a5f3fc;
  --light: #f0f9ff;
  --light-mid: #e0f2fe;
  --white: #ffffff;
  --font-heading: 'Space Grotesk', 'DM Sans', sans-serif;
  --font-body: 'DM Sans', 'Inter', sans-serif;
  --transition: 0.3s ease;
  --max-width: 1280px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background-color: var(--blue); color: var(--light); line-height: 1.7; overflow-x: hidden; }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; color: var(--white); }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p { margin-bottom: 1.2em; color: var(--light-mid); }
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan-light); }
strong { color: var(--white); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }

/* HEADER */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(6,182,212,0.12);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 2rem; max-width: var(--max-width); margin: 0 auto; }
.nav-logo img { height: 44px; width: auto; display: block; }
.nav-menu { display: flex; align-items: center; gap: 2.5rem; list-style: none; }
.nav-menu a {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em;
  color: var(--light-mid); transition: color var(--transition);
  position: relative; padding-bottom: 4px;
}
.nav-menu a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--cyan); transition: width var(--transition); border-radius: 1px; }
.nav-menu a:hover, .nav-menu a.active { color: var(--cyan); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-cta { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; padding: 0.65rem 1.5rem; background: var(--cyan); color: var(--blue); transition: all var(--transition); border-radius: 2px; }
.nav-cta:hover { background: var(--cyan-light); color: var(--blue); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--cyan); border-radius: 1px; }

/* HERO */
.hero {
  position: relative; height: 100vh; min-height: 650px;
  display: flex; align-items: center;
  background-image: url('/images/hero-design.jpg');
  background-size: cover; background-position: center; background-attachment: fixed;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(10,22,40,0.87); }
.hero-content { position: relative; z-index: 2; max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.hero-eyebrow { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.5rem; display: block; }
.hero h1 { margin-bottom: 1.5rem; max-width: 720px; }
.hero h1 span { color: var(--cyan); }
.hero p { font-size: 1.1rem; max-width: 560px; color: var(--light-mid); margin-bottom: 2.5rem; }
.btn { display: inline-block; font-family: var(--font-heading); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; padding: 1rem 2.5rem; transition: all var(--transition); cursor: pointer; border: none; border-radius: 2px; }
.btn-primary { background: var(--cyan); color: var(--blue); }
.btn-primary:hover { background: var(--cyan-light); color: var(--blue); transform: translateY(-2px); }
.btn-outline { border: 2px solid var(--cyan); color: var(--cyan); background: transparent; }
.btn-outline:hover { background: var(--cyan); color: var(--blue); }
.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--cyan); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; z-index: 2; animation: scrollBounce 2s infinite; }
.hero-scroll::after { content: ''; display: block; width: 1px; height: 40px; background: var(--cyan); opacity: 0.5; }
@keyframes scrollBounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* INTRO */
.intro-section { background: var(--blue); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.intro-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; color: var(--cyan); display: block; margin-bottom: 1rem; }
.intro-text h2 { margin-bottom: 1.5rem; }
.intro-image { position: relative; }
.intro-image img { width: 100%; height: 500px; object-fit: cover; display: block; }
.intro-image::before { content: ''; position: absolute; top: -12px; left: -12px; right: 12px; bottom: 12px; border: 2px solid rgba(6,182,212,0.2); z-index: -1; }
.stats-row { display: flex; gap: 3rem; margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid rgba(6,182,212,0.15); }
.stat-number { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 700; color: var(--cyan); display: block; }
.stat-label { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--light-mid); }

/* CLIENT LINK SECTION */
.client-link-section { background: var(--blue-mid); }
.client-link-inner { max-width: 820px; margin: 0 auto; }
.client-link-inner p { font-size: 1.05rem; line-height: 1.85; color: var(--light-mid); }
.client-link-inner a { color: var(--cyan); border-bottom: 1px solid rgba(6,182,212,0.3); }
.client-link-inner a:hover { color: var(--cyan-light); border-bottom-color: var(--cyan-light); }

/* BANNER */
.banner-section { position: relative; padding: 8rem 0; background-image: url('/images/galerie.jpg'); background-size: cover; background-position: center; background-attachment: fixed; }
.banner-overlay { position: absolute; inset: 0; background: rgba(10,22,40,0.87); }
.banner-content { position: relative; z-index: 2; max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; text-align: center; }
.banner-content h2 { margin-bottom: 1rem; }
.banner-content p { max-width: 600px; margin: 0 auto 2rem; }

/* SERVICES */
.services-section { background: var(--blue-mid); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 560px; margin: 0 auto; color: var(--light-mid); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.service-card { padding: 2.5rem; border: 1px solid rgba(6,182,212,0.12); transition: all var(--transition); }
.service-card:hover { border-color: rgba(6,182,212,0.4); background: rgba(6,182,212,0.04); transform: translateY(-4px); }
.service-dot { width: 12px; height: 12px; background: var(--cyan); border-radius: 50%; margin-bottom: 1.5rem; }
.service-card h3 { margin-bottom: 1rem; font-size: 1.1rem; }
.service-card p { font-size: 0.9rem; color: var(--light-mid); }

/* PROJECTS */
.projects-section { background: var(--blue); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.project-card { position: relative; overflow: hidden; aspect-ratio: 3/4; }
.project-card.large { grid-column: span 2; aspect-ratio: auto; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover img { transform: scale(1.04); }
.project-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,22,40,0.92) 0%, transparent 60%); display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem; opacity: 0; transition: opacity var(--transition); }
.project-card:hover .project-card-overlay { opacity: 1; }
.project-card-overlay h3 { margin-bottom: 0.3rem; }
.project-card-overlay span { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); }

/* BLOG */
.blog-section { background: var(--blue-mid); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.blog-card { background: var(--blue); overflow: hidden; transition: transform var(--transition); }
.blog-card:hover { transform: translateY(-4px); }
.blog-card-img { overflow: hidden; aspect-ratio: 16/10; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-body { padding: 1.8rem; }
.blog-card-meta { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 0.8rem; }
.blog-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.8rem; }
.blog-card h3 a { color: var(--white); }
.blog-card h3 a:hover { color: var(--cyan); }
.blog-card p { font-size: 0.87rem; color: var(--light-mid); margin-bottom: 1.2rem; }
.read-more { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan); }
.read-more:hover { color: var(--cyan-light); }

/* CTA */
.cta-section { background: var(--blue); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.cta-image img { width: 100%; height: 480px; object-fit: cover; display: block; }
.cta-content { padding: 2rem 0; }
.cta-content h2 { margin-bottom: 1.5rem; }
.cta-content p { margin-bottom: 2rem; color: var(--light-mid); }

/* ARTICLE */
.article-hero { position: relative; height: 500px; display: flex; align-items: flex-end; }
.article-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.article-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,22,40,0.95) 0%, rgba(10,22,40,0.4) 100%); }
.article-hero-content { position: relative; z-index: 2; padding: 3rem 2rem; max-width: var(--max-width); margin: 0 auto; width: 100%; }
.article-hero-meta { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1rem; }
.article-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.8rem); max-width: 780px; }
.article-body { max-width: 820px; margin: 0 auto; padding: 4rem 2rem; }
.article-body h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.article-body h3 { font-size: 1.2rem; margin: 2rem 0 0.8rem; }
.article-body p { color: var(--light-mid); margin-bottom: 1.5rem; line-height: 1.85; }
.article-body a { color: var(--cyan); border-bottom: 1px solid rgba(6,182,212,0.3); }
.article-body a:hover { color: var(--cyan-light); }
.article-img { width: 100%; margin: 2.5rem 0; }
.article-img img { width: 100%; height: 400px; object-fit: cover; }

/* PAGE HERO */
.page-hero { padding: 10rem 0 5rem; background: var(--blue-mid); border-bottom: 1px solid rgba(6,182,212,0.1); }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { max-width: 560px; color: var(--light-mid); }
.breadcrumb { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; color: var(--cyan); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--cyan); }
.breadcrumb span { margin: 0 0.5rem; opacity: 0.5; }

/* BLOG INDEX */
.blog-index-hero { padding: 10rem 0 5rem; background: var(--blue); border-bottom: 1px solid rgba(6,182,212,0.1); }
.blog-grid-full { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-item-dot { width: 8px; height: 8px; background: var(--cyan); border-radius: 50%; flex-shrink: 0; margin-top: 0.55rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); }
.form-group input, .form-group textarea, .form-group select { background: var(--blue-mid); border: 1px solid rgba(6,182,212,0.2); color: var(--white); padding: 0.9rem 1.2rem; font-family: var(--font-body); font-size: 0.9rem; outline: none; transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--cyan); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }

/* SITEMAP */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
.sitemap-col h3 { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.5rem; padding-bottom: 0.8rem; border-bottom: 1px solid rgba(6,182,212,0.15); }
.sitemap-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.sitemap-col ul li a { font-size: 0.9rem; color: var(--light-mid); }
.sitemap-col ul li a:hover { color: var(--cyan); }

/* 404 */
.error-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-code { font-family: var(--font-heading); font-size: clamp(6rem, 15vw, 12rem); font-weight: 700; color: rgba(6,182,212,0.1); line-height: 1; display: block; margin-bottom: -2rem; }

/* FOOTER */
footer { background: #060e1c; padding: 4rem 0 2rem; border-top: 1px solid rgba(6,182,212,0.1); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 38px; margin-bottom: 1.2rem; display: block; }
.footer-brand p { font-size: 0.85rem; color: var(--light-mid); line-height: 1.7; opacity: 0.7; }
.footer-col h4 { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.2rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul li a { font-size: 0.87rem; color: rgba(240,249,255,0.5); }
.footer-col ul li a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 2rem; border-top: 1px solid rgba(6,182,212,0.08); font-size: 0.78rem; color: rgba(240,249,255,0.35); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .intro-grid, .cta-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card.large { grid-column: span 1; }
  .services-grid, .blog-grid, .blog-grid-full { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; top: 73px; left: 0; right: 0; background: var(--blue); flex-direction: column; padding: 2rem; gap: 1.5rem; border-bottom: 1px solid rgba(6,182,212,0.1); }
  .nav-menu.open { display: flex; }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  .hero { background-attachment: scroll; }
  .banner-section { background-attachment: scroll; }
  .services-grid, .blog-grid, .blog-grid-full { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .stats-row { flex-direction: column; gap: 1.5rem; }
  .sitemap-grid { grid-template-columns: 1fr; }
}