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

:root {
  --bg:      #0c1520;
  --surface: #111e2d;
  --card:    #142030;
  --border:  #1e2f42;
  --primary: #2dd4bf;
  --muted:   #7a96b0;
  --fg:      #e8f0f8;
  --gradient: linear-gradient(135deg, #2dd4bf, #38bdf8);
  --glow:    0 0 40px -10px rgba(45,212,191,.3);
  --radius:  .75rem;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

html { scroll-behavior: auto; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); -webkit-font-smoothing: antialiased; line-height: 1.6; }
h1,h2,h3,h4 { font-family: var(--font-display); letter-spacing: -.02em; line-height: 1.1; }
a { color: inherit; text-decoration: none; }
img { display: block; }

/* GRID BG */
.grid-bg {
  background-image: linear-gradient(rgba(45,212,191,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(45,212,191,.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* NAV */
nav { position: sticky; top: 0; z-index: 100; background: rgba(12,21,32,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1280px; margin: 0 auto; padding: .85rem 2rem; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.logo-icon { width: 32px; height: 32px; border-radius: .45rem; background: var(--gradient); display: grid; place-items: center; }
.logo-icon svg { width: 16px; height: 16px; stroke: #0c1520; fill: none; stroke-width: 2; }
.logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: .875rem; color: var(--muted); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--fg); }
.btn-cta { background: var(--gradient); color: #0c1520; font-weight: 600; font-size: .82rem; padding: .5rem 1.1rem; border-radius: .45rem; border: none; cursor: pointer; font-family: var(--font-body); transition: opacity .2s; }
.btn-cta:hover { opacity: .85; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); transition: .3s; }

/* HERO */
.hero { position: relative; overflow: hidden; padding: 8rem 2rem 5rem; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .18; }
.hero-bg-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 70% at 30% 50%, rgba(45,212,191,.06) 0%, transparent 70%); }
.hero-grid { position: absolute; inset: 0; opacity: .35; }
.hero-inner { position: relative; max-width: 1280px; margin: 0 auto; }
.badge { display: inline-flex; align-items: center; gap: .5rem; border: 1.5px solid rgba(45,212,191,.25); background: rgba(45,212,191,.07); padding: .38rem .9rem; border-radius: 100px; font-size: .8rem; color: var(--primary); margin-bottom: 1.5rem; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:.3} }
.hero h1 { font-size: clamp(2.6rem, 5.5vw, 4.2rem); max-width: 760px; margin-bottom: 1.5rem; }
.hero h1 .accent { color: var(--primary); }
.hero p { max-width: 520px; color: var(--muted); font-size: 1rem; margin-bottom: 2.5rem; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 4rem; }
.btn-primary { display: inline-flex; align-items: center; gap: .45rem; background: var(--gradient); color: #0c1520; font-weight: 600; font-size: .875rem; padding: .7rem 1.4rem; border-radius: .5rem; box-shadow: var(--glow); transition: opacity .2s; font-family: var(--font-body); border: none; cursor: pointer; }
.btn-primary:hover { opacity: .85; }
.btn-outline { display: inline-flex; align-items: center; gap: .45rem; border: 1px solid var(--border); background: rgba(45,212,191,.04); color: var(--fg); font-size: .875rem; padding: .7rem 1.4rem; border-radius: .5rem; transition: background .2s; }
.btn-outline:hover { background: rgba(45,212,191,.08); }
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; max-width: 580px; }
.stat-val { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-top: .2rem; }

/* PAGE HERO (services, formations etc) */
.page-hero { position: relative; border-bottom: 1px solid var(--border); overflow: hidden; padding: 5rem 2rem; }
.page-hero .grid-bg { position: absolute; inset: 0; opacity: .3; }
.page-hero-inner { position: relative; max-width: 1280px; margin: 0 auto; }
.eyebrow { font-size: .7rem; text-transform: uppercase; letter-spacing: .2em; color: var(--primary); margin-bottom: .75rem; }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); max-width: 700px; margin-bottom: 1rem; }
.page-hero h1 .accent { color: var(--primary); }
.page-hero p { color: var(--muted); max-width: 560px; font-size: 1rem; }

/* SECTIONS */
section { padding: 5rem 2rem; }
.container { max-width: 1280px; margin: 0 auto; }
.section-eyebrow { font-size: .7rem; text-transform: uppercase; letter-spacing: .2em; color: var(--primary); margin-bottom: .75rem; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
.link-arrow { font-size: .875rem; color: var(--primary); display: inline-flex; align-items: center; gap: .3rem; white-space: nowrap; transition: gap .2s; }
.link-arrow:hover { gap: .6rem; }

/* CARDS */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; transition: border-color .2s; display: block; color: inherit; }
.card:hover { border-color: rgba(45,212,191,.4); }
.card-icon { width: 46px; height: 46px; border-radius: .55rem; background: rgba(45,212,191,.1); color: var(--primary); display: grid; place-items: center; margin-bottom: 1.2rem; }
.card-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.card h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.card p { font-size: .875rem; color: var(--muted); }
.card ul { list-style: none; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.card ul li { display: flex; align-items: center; gap: .5rem; font-size: .85rem; margin-bottom: .45rem; }
.card ul li::before { content:''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }

/* HOME PROJECTS */
.proj-grid-home { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.proj-card-home { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); }
.proj-card-home img { width: 100%; height: 240px; object-fit: cover; transition: transform .7s; display: block; }
.proj-card-home:hover img { transform: scale(1.05); }
.proj-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(8,14,22,.96) 0%, rgba(8,14,22,.5) 65%, transparent 100%); padding: 1rem 1.25rem; }
.proj-tag { font-size: .68rem; text-transform: uppercase; letter-spacing: .15em; color: var(--primary); display: block; margin-bottom: .3rem; }
.proj-overlay h3 { font-size: .95rem; font-weight: 600; color: #fff; }

/* PORTFOLIO PAGE */
.proj-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.proj-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color .2s; }
.proj-card:hover { border-color: rgba(45,212,191,.4); }
.proj-card-img { overflow: hidden; }
.proj-card-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .7s; }
.proj-card:hover .proj-card-img img { transform: scale(1.05); }
.proj-card-body { padding: 1.75rem; }
.proj-card-meta { display: flex; justify-content: space-between; font-size: .72rem; color: var(--muted); margin-bottom: .5rem; text-transform: uppercase; letter-spacing: .1em; }
.proj-card-meta .tag { color: var(--primary); }
.proj-card-body h2 { font-size: 1.3rem; margin-bottom: .5rem; }
.proj-card-body p { font-size: .875rem; color: var(--muted); }

/* FORMATIONS */
.form-badges { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; max-width: 620px; margin-bottom: 3rem; }
.form-badge { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; display: flex; align-items: center; gap: 1rem; }
.form-badge svg { width: 28px; height: 28px; stroke: var(--primary); fill: none; stroke-width: 1.8; flex-shrink: 0; }
.form-badge-val { font-weight: 600; font-size: 1rem; }
.form-badge-label { font-size: .75rem; color: var(--muted); }
.form-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; display: flex; flex-direction: column; transition: border-color .2s; }
.form-card:hover { border-color: rgba(45,212,191,.4); }
.form-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.form-level { font-size: .68rem; text-transform: uppercase; letter-spacing: .15em; color: var(--primary); display: block; margin-bottom: .3rem; }
.form-card h3 { font-size: 1.1rem; }
.form-price { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--primary); text-align: right; white-space: nowrap; }
.form-duration { font-size: .75rem; color: var(--muted); }
.form-modules { list-style: none; flex: 1; margin-bottom: 1.5rem; }
.form-modules li { display: flex; align-items: flex-start; gap: .6rem; font-size: .85rem; color: var(--muted); margin-bottom: .45rem; }
.form-modules li svg { width: 14px; height: 14px; stroke: var(--primary); fill: none; stroke-width: 2.5; flex-shrink: 0; margin-top: 3px; }
.form-link { font-size: .875rem; color: var(--primary); display: inline-flex; align-items: center; gap: .3rem; transition: gap .2s; }
.form-link:hover { gap: .6rem; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 2fr 3fr; gap: 3rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon { width: 40px; height: 40px; border-radius: .5rem; background: rgba(45,212,191,.1); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.contact-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.contact-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.contact-val { font-size: .95rem; font-weight: 500; }
.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .5rem; }
.field label .req { color: var(--primary); }
.field input, .field select, .field textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: .45rem; padding: .65rem .9rem; font-size: .875rem; color: var(--fg); font-family: var(--font-body); transition: border-color .2s; outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: none; }
#form-success { color: var(--primary); font-size: .875rem; margin-top: .75rem; display: none; }
#form-error { color: #f87171; font-size: .875rem; margin-top: .75rem; display: none; }

/* CTA BAND */
.cta-band { background: var(--surface); border-top: 1px solid var(--border); text-align: center; padding: 5rem 2rem; }
.cta-band svg { margin: 0 auto 1.5rem; display: block; color: var(--primary); width: 40px; height: 40px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.cta-band h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 1rem; }
.cta-band p { color: var(--muted); max-width: 500px; margin: 0 auto 2.5rem; }

/* FOOTER */
footer { background: #07101a; border-top: 1px solid var(--border); padding: 4rem 2rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--muted); font-size: .875rem; margin-top: .75rem; max-width: 300px; }
.footer-col h4 { font-size: .875rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .6rem; }
.footer-col ul li a { font-size: .875rem; color: var(--muted); transition: color .2s; }
.footer-col ul li a:hover { color: var(--fg); }
.footer-col .contact-line { display: flex; align-items: center; gap: .5rem; font-size: .875rem; color: var(--muted); margin-bottom: .6rem; }
.footer-col .contact-line svg { width: 14px; height: 14px; stroke: var(--primary); fill: none; stroke-width: 2; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; text-align: center; font-size: .8rem; color: var(--muted); max-width: 1280px; margin: 0 auto; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .grid-3, .proj-grid-home { grid-template-columns: 1fr 1fr; }
  .proj-grid, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .proj-grid-home, .proj-grid, .grid-2, .form-row, .form-badges { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 58px; left: 0; right: 0; background: rgba(12,21,32,.97); padding: 1.5rem 2rem; border-bottom: 1px solid var(--border); gap: 1rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 5rem 1.5rem 3rem; }
  section { padding: 3rem 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); gap: 1.2rem; }
}