/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --color-bg:         #F9F7F4;
  --color-bg-2:       #FFFFFF;
  --color-bg-3:       #F2EFE9;
  --color-text:       #1A1A1A;
  --color-text-sub:   #4A5568;
  --color-text-muted: #718096;
  --color-primary:    #1B3A5C;
  --color-accent:     #2563EB;
  --color-accent-h:   #1E4FBF;
  --color-border:     #E2D9CC;
  --color-border-h:   #C8BFB2;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px;
  --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px;
  --space-9:96px; --space-10:128px;
  --touch-min: 44px;
  --anim-fast: 150ms ease-out;
  --anim-base: 250ms ease-out;
  --anim-slow: 350ms ease-out;
  --radius-sm: 6px; --radius: 12px; --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 16px rgba(0,0,0,.07), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); font-weight: 300; line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(var(--space-5), 5vw, var(--space-9)); }
.section { padding: clamp(var(--space-8), 10vw, var(--space-10)) 0; }

/* ── TYPOGRAPHY ────────────────────────────────────────────── */
.label { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-accent); display: block; margin-bottom: var(--space-3); }
.display-title { font-family: var(--font-display); font-weight: 400; line-height: 1.1; letter-spacing: -0.02em; }
.body-lead { font-size: 1.0625rem; color: var(--color-text-sub); line-height: 1.8; }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: var(--touch-min); padding: 0 var(--space-6); font-family: var(--font-body); font-weight: 600; font-size: 0.9375rem; border-radius: var(--radius); border: 2px solid transparent; cursor: pointer; transition: background var(--anim-base), color var(--anim-base), border-color var(--anim-base), box-shadow var(--anim-base), transform var(--anim-fast); text-decoration: none; white-space: nowrap; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-accent); box-shadow: 0 4px 20px rgba(37,99,235,.3); }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-border-h); }
.btn-secondary:hover { border-color: var(--color-primary); background: rgba(27,58,92,.04); }
.btn-accent { background: #25D366; color: #fff; }
.btn-accent:hover { background: #1fba5c; box-shadow: 0 4px 20px rgba(37,211,102,.3); }

/* ── NAVIGATION ────────────────────────────────────────────── */
#site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--space-4) 0; transition: padding var(--anim-slow), background var(--anim-slow), border-color var(--anim-slow); border-bottom: 1px solid transparent; }
#site-nav.scrolled { padding: var(--space-3) 0; background: rgba(249,247,244,.93); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom-color: var(--color-border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.nav-logo { font-family: var(--font-display); font-size: 1.375rem; font-weight: 400; letter-spacing: -0.03em; color: var(--color-primary); flex-shrink: 0; }
.nav-logo .dot { color: var(--color-accent); }
.nav-links { display: flex; align-items: center; gap: var(--space-6); list-style: none; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; color: var(--color-text-sub); transition: color var(--anim-base); min-height: var(--touch-min); display: flex; align-items: center; }
.nav-links a:hover { color: var(--color-primary); }
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: var(--space-2); min-width: var(--touch-min); min-height: var(--touch-min); align-items: center; justify-content: center; background: none; border: none; }
.hamburger span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; display: block; transition: transform var(--anim-base), opacity var(--anim-base); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mob-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 998; opacity: 0; pointer-events: none; transition: opacity var(--anim-base); }
.mob-overlay.open { opacity: 1; pointer-events: all; }
.mob-drawer { position: fixed; top: 0; right: -100%; width: min(88vw,380px); height: 100vh; background: var(--color-bg-2); z-index: 999; padding: var(--space-9) var(--space-5) var(--space-5); transition: right 0.35s cubic-bezier(.22,.68,0,1.1); border-left: 1px solid var(--color-border); display: flex; flex-direction: column; overflow-y: auto; }
.mob-drawer.open { right: 0; }
.mob-drawer ul { list-style: none; flex: 1; }
.mob-drawer li { border-bottom: 1px solid var(--color-border); }
.mob-drawer a { display: flex; align-items: center; padding: var(--space-4) 0; font-family: var(--font-display); font-size: 1.75rem; font-weight: 400; color: var(--color-text); transition: color var(--anim-base), padding-left var(--anim-base); min-height: var(--touch-min); }
.mob-drawer a:hover { color: var(--color-accent); padding-left: var(--space-3); }
.mob-cta { margin-top: var(--space-6); }
.mob-cta .btn { width: 100%; }

/* ── HERO ──────────────────────────────────────────────────── */
#hero { min-height: 100vh; display: grid; align-items: center; padding: calc(var(--space-9) + 60px) 0 var(--space-9); background: var(--color-bg-2); position: relative; overflow: hidden; }
.hero-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(27,58,92,.03) 1px,transparent 1px), linear-gradient(90deg,rgba(27,58,92,.03) 1px,transparent 1px); background-size: 48px 48px; pointer-events: none; }
.hero-grid-bg::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 200px; background: linear-gradient(to bottom,transparent,var(--color-bg-2)); will-change: auto; transform: translateZ(0); }
.hero-content { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-2); background: rgba(37,99,235,.07); border: 1px solid rgba(37,99,235,.15); color: var(--color-accent); font-size: 0.8125rem; font-weight: 600; padding: var(--space-1) var(--space-4); border-radius: 100px; margin-bottom: var(--space-6); }
.hero-badge .dot { width: 7px; height: 7px; background: var(--color-accent); border-radius: 50%; }
.hero-title { font-family: var(--font-display); font-size: clamp(3rem,8vw,6.5rem); font-weight: 400; line-height: 1.05; letter-spacing: -0.03em; color: var(--color-primary); margin-bottom: var(--space-5); }
.hero-title em { font-style: italic; color: var(--color-accent); }
.hero-sub { max-width: 560px; font-size: clamp(1rem,1.8vw,1.125rem); color: var(--color-text-sub); line-height: 1.85; margin-bottom: var(--space-7); }
.hero-actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3,auto); gap: var(--space-6) var(--space-7); width: fit-content; margin-top: clamp(var(--space-7),8vw,var(--space-10)); padding-top: var(--space-6); border-top: 1px solid var(--color-border); }
.stat-val { font-family: var(--font-display); font-size: clamp(2.25rem,4vw,3rem); font-weight: 400; line-height: 1; color: var(--color-primary); letter-spacing: -0.03em; }
.stat-val sup { font-size: 1.25rem; vertical-align: super; }
.stat-label { font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); margin-top: var(--space-1); }

/* ── SERVICES ──────────────────────────────────────────────── */
#services { background: var(--color-bg); }
.services-layout { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-9); align-items: start; }
.services-sticky { position: sticky; top: calc(60px + var(--space-6)); }
.services-sticky h2 { font-size: clamp(2.25rem,3.5vw,3rem); margin: var(--space-3) 0 var(--space-5); }
.services-sticky p { font-size: 0.9375rem; color: var(--color-text-sub); line-height: 1.8; margin-bottom: var(--space-6); }
.services-list { display: flex; flex-direction: column; gap: 2px; }
.svc-item { background: var(--color-bg-2); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-6); overflow: hidden; position: relative; transition: border-color var(--anim-base), box-shadow var(--anim-base), transform var(--anim-slow); display: grid; grid-template-columns: 52px 1fr; gap: var(--space-5); align-items: start; }
.svc-item::before { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg,var(--color-accent),var(--color-primary)); transform: scaleX(0); transform-origin: left; transition: transform 0.45s ease; }
.svc-item:hover { border-color: rgba(37,99,235,.25); box-shadow: var(--shadow); transform: translateX(4px); }
.svc-item:hover::before { transform: scaleX(1); }
.svc-num { width: 52px; height: 52px; background: rgba(27,58,92,.06); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 400; font-size: 1.1rem; color: var(--color-primary); flex-shrink: 0; transition: background var(--anim-base), color var(--anim-base); }
.svc-item:hover .svc-num { background: var(--color-accent); color: #fff; }
.svc-title { font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; color: var(--color-primary); margin-bottom: var(--space-2); line-height: 1.3; }
.svc-desc { font-size: 0.9375rem; color: var(--color-text-sub); line-height: 1.7; margin-bottom: var(--space-4); }
.svc-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.svc-tag { font-size: 0.6875rem; font-weight: 600; color: var(--color-text-muted); background: var(--color-bg-3); border: 1px solid var(--color-border); padding: 3px var(--space-3); border-radius: 100px; }

/* ── PORTFOLIO ─────────────────────────────────────────────── */
#portfolio { background: var(--color-bg-2); }
.portfolio-header { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: var(--space-5); margin-bottom: var(--space-7); }
.portfolio-header h2 { font-size: clamp(2.25rem,3.5vw,3rem); margin-top: var(--space-3); }
.filter-tabs { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-7); }
.filter-btn { min-height: var(--touch-min); padding: 0 var(--space-4); font-size: 0.875rem; font-weight: 500; background: transparent; color: var(--color-text-muted); border: 1.5px solid var(--color-border); border-radius: 100px; cursor: pointer; transition: all var(--anim-base); }
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-5); }
.project-card.hidden { display: none; }

/* Project card */
.project-card { background: var(--color-bg-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; position: relative; transition: border-color var(--anim-base), box-shadow var(--anim-slow), transform var(--anim-slow); }
.project-card::before { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg,var(--color-accent),var(--color-primary)); transform: scaleX(0); transform-origin: left; transition: transform 0.45s ease; z-index: 3; }
.project-card:hover { border-color: rgba(37,99,235,.2); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.project-card:hover::before { transform: scaleX(1); }

.preview-wrap { position: relative; width: 100%; aspect-ratio: 16/9; background: var(--color-bg-3); overflow: hidden; }
.preview-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; transition: transform var(--anim-slow); }
.project-card:hover .preview-img { transform: scale(1.03); }
.preview-fade { position: absolute; bottom: 0; left: 0; right: 0; height: 28px; background: linear-gradient(to bottom,transparent,var(--color-bg-2)); z-index: 2; pointer-events: none; }
.nda-preview { height: 190px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-3); background: linear-gradient(135deg,#F2EFE9,#EAE5DB); }
.nda-icon-box { width: 52px; height: 52px; background: rgba(27,58,92,.08); border: 1px solid rgba(27,58,92,.12); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.nda-icon-box svg { width: 22px; stroke: var(--color-primary); fill: none; stroke-width: 1.5; opacity: .6; }
.nda-lbl { font-size: 0.6875rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--color-text-muted); }
.card-body { padding: var(--space-5) var(--space-5) var(--space-6); }
.card-cat { font-size: 0.6875rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-2); }
.card-title { font-family: var(--font-display); font-weight: 400; font-size: 1.125rem; color: var(--color-primary); line-height: 1.35; margin-bottom: var(--space-3); }
.card-desc { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.65; }
.card-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.card-tag { font-size: 0.6875rem; font-weight: 500; color: var(--color-text-muted); background: var(--color-bg-3); border: 1px solid var(--color-border); padding: 2px var(--space-3); border-radius: 100px; }
.nda-seal { display: inline-flex; align-items: center; gap: 5px; background: var(--color-bg-3); border: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 0.6875rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 3px var(--space-3); border-radius: 100px; margin-top: var(--space-4); }
.nda-seal svg { width: 10px; stroke: currentColor; fill: none; stroke-width: 2; }

/* "Voir tous" row at bottom of homepage portfolio */
.portfolio-view-all { text-align: right; margin-top: var(--space-6); }
.portfolio-view-all a { font-size: 0.9375rem; font-weight: 500; color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; transition: color var(--anim-base); }
.portfolio-view-all a:hover { color: var(--color-accent); }

/* ── PROCESS ───────────────────────────────────────────────── */
#process { background: var(--color-bg); }
.process-header { max-width: 560px; margin-bottom: var(--space-8); }
.process-header h2 { font-size: clamp(2.25rem,3.5vw,3rem); margin-top: var(--space-3); }
.process-steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-5); }
.proc-card { background: var(--color-bg-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); overflow: hidden; position: relative; transition: border-color var(--anim-base), box-shadow var(--anim-base); }
.proc-card::before { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg,var(--color-accent),var(--color-primary)); transform: scaleX(0); transform-origin: left; transition: transform 0.45s ease; }
.proc-card:hover { border-color: rgba(37,99,235,.2); box-shadow: var(--shadow); }
.proc-card:hover::before { transform: scaleX(1); }
.proc-n { font-family: var(--font-display); font-size: 3.5rem; font-weight: 400; color: rgba(27,58,92,.1); line-height: 1; margin-bottom: var(--space-4); transition: color var(--anim-base); }
.proc-card:hover .proc-n { color: rgba(37,99,235,.15); }
.proc-title { font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; color: var(--color-primary); margin-bottom: var(--space-3); }
.proc-desc { font-size: 0.9375rem; color: var(--color-text-sub); line-height: 1.7; }

/* ── GITHUB ────────────────────────────────────────────────── */
#github { background: var(--color-bg); }
.github-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: var(--space-5); margin-bottom: var(--space-7); }
.github-head h2 { font-size: clamp(2.25rem,3.5vw,3rem); margin-top: var(--space-3); }
.github-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-5); min-height: 280px; }

.repo-card { background: var(--color-bg-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); position: relative; overflow: hidden; display: flex; flex-direction: column; gap: var(--space-3); transition: border-color var(--anim-base), box-shadow var(--anim-slow), transform var(--anim-slow); text-decoration: none; color: inherit; }
.repo-card::before { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg,var(--color-accent),var(--color-primary)); transform: scaleX(0); transform-origin: left; transition: transform 0.45s ease; }
.repo-card:hover { border-color: rgba(37,99,235,.2); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.repo-card:hover::before { transform: scaleX(1); }
.repo-name { font-family: var(--font-display); font-weight: 400; font-size: 1.125rem; color: var(--color-primary); }
.repo-desc { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.65; flex: 1; }
.repo-topics { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.repo-topic { font-size: 0.6875rem; font-weight: 600; color: var(--color-accent); background: rgba(37,99,235,.07); border: 1px solid rgba(37,99,235,.15); padding: 2px var(--space-3); border-radius: 100px; }
.repo-meta { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.repo-lang { display: flex; align-items: center; gap: var(--space-2); font-size: 0.75rem; color: var(--color-text-muted); font-weight: 500; }
.repo-lang-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.repo-stars { display: flex; align-items: center; gap: 4px; font-size: 0.75rem; color: var(--color-text-muted); font-weight: 500; }
.repo-stars svg { width: 12px; fill: var(--color-text-muted); }
.github-state { grid-column: 1/-1; text-align: center; color: var(--color-text-muted); font-size: 0.9375rem; padding: var(--space-9) var(--space-5); }
.github-state a { color: var(--color-accent); }

/* ── CLIENTS MARQUEE ───────────────────────────────────────── */
#clients { background: var(--color-bg-2); padding: clamp(var(--space-8),8vw,var(--space-9)) 0; overflow: hidden; }
.clients-head { text-align: center; margin-bottom: var(--space-7); }
.clients-head h2 { font-size: clamp(1.75rem,3vw,2.5rem); margin-top: var(--space-3); }
.marquee-wrap { overflow: hidden; -webkit-mask-image: linear-gradient(to right,transparent 0%,black 8%,black 92%,transparent 100%); mask-image: linear-gradient(to right,transparent 0%,black 8%,black 92%,transparent 100%); }
.marquee-track { display: flex; gap: var(--space-4); width: max-content; animation: scroll 32s linear infinite; }
.marquee-track:hover { animation-play-state: paused; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-25%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }
.client-chip { flex-shrink: 0; display: flex; align-items: center; justify-content: center; padding: 0 var(--space-6); }
.client-chip img { width: 110px; height: 56px; object-fit: contain; filter: grayscale(1) opacity(.5); transition: filter var(--anim-base); }
.client-chip:hover img { filter: grayscale(0) opacity(1); }
.logo-ph { font-size: 0.9rem; font-weight: 600; color: var(--color-text-muted); letter-spacing: .05em; }

/* ── CONTACT ───────────────────────────────────────────────── */
#contact { background: var(--color-bg); }
.contact-layout { display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(var(--space-7),6vw,var(--space-10)); align-items: start; }
.contact-left h2 { font-size: clamp(2.25rem,3.5vw,3rem); margin: var(--space-3) 0 var(--space-5); }
.contact-left > .body-lead { margin-bottom: var(--space-7); }
.contact-info { display: flex; flex-direction: column; gap: var(--space-4); }
.ci-row { display: flex; align-items: center; gap: var(--space-4); }
.ci-icon { width: var(--touch-min); height: var(--touch-min); background: rgba(37,99,235,.07); border: 1px solid rgba(37,99,235,.12); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-icon svg { width: 18px; stroke: var(--color-accent); fill: none; stroke-width: 1.5; }
.ci-info strong { display: block; font-size: 0.6875rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 2px; }
.ci-info span, .ci-info a { font-size: 0.9375rem; color: var(--color-text); }
.ci-info a:hover { color: var(--color-accent); }
.form-card { background: var(--color-bg-2); border: 1.5px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(var(--space-5),4vw,var(--space-7)); box-shadow: var(--shadow-sm); }
.fg { margin-bottom: var(--space-4); }
.fg label { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.fg input, .fg select, .fg textarea { width: 100%; background: var(--color-bg); border: 1.5px solid var(--color-border); color: var(--color-text); font-family: var(--font-body); font-size: 0.9375rem; font-weight: 400; padding: 0 var(--space-4); height: var(--touch-min); border-radius: var(--radius-sm); outline: none; transition: border-color var(--anim-base), box-shadow var(--anim-base); appearance: none; -webkit-appearance: none; }
.fg textarea { height: auto; min-height: 110px; padding: var(--space-3) var(--space-4); resize: vertical; }
.fg input::placeholder, .fg textarea::placeholder { color: var(--color-text-muted); opacity: .7; }
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.fg select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath stroke='%23718096' stroke-width='1.5' d='M5 8l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right var(--space-4) center; background-size: 18px; padding-right: var(--space-7); }
.fg select option { background: var(--color-bg-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-submit { width: 100%; min-height: 52px; padding: 0 var(--space-5); display: flex; align-items: center; justify-content: center; gap: var(--space-3); background: #25D366; color: #fff; font-family: var(--font-body); font-weight: 700; font-size: 1rem; border: none; border-radius: var(--radius); cursor: pointer; transition: background var(--anim-base), transform var(--anim-fast), box-shadow var(--anim-base); margin-top: var(--space-3); }
.form-submit:hover { background: #1fba5c; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,.3); }
.form-submit:active { transform: translateY(0); }
.form-submit svg { width: 22px; flex-shrink: 0; }
.form-note { font-size: 0.8125rem; color: var(--color-text-muted); text-align: center; margin-top: var(--space-3); }

/* ── FOOTER ────────────────────────────────────────────────── */
footer { background: var(--color-primary); color: rgba(255,255,255,.75); padding: var(--space-6) 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); }
.footer-logo { font-family: var(--font-display); font-size: 1.25rem; font-weight: 400; letter-spacing: -.02em; color: #fff; }
.footer-logo .dot { color: rgba(37,99,235,.8); }
.footer-copy { font-size: 0.8125rem; }
.footer-links { display: flex; gap: var(--space-5); }
.footer-links a { font-size: 0.8125rem; transition: color var(--anim-base); }
.footer-links a:hover { color: #fff; }

/* ── LANGUAGE TOGGLE ──────────────────────────────────────── */
.lang-toggle { position: relative; flex-shrink: 0; }
.lang-btn { display: flex; align-items: center; gap: 5px; min-height: 36px; padding: 0 10px; background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-border-h); border-radius: var(--radius); cursor: pointer; font-family: var(--font-body); font-size: 0.8125rem; font-weight: 600; transition: border-color var(--anim-base), background var(--anim-base); }
.lang-btn:hover { border-color: var(--color-primary); background: rgba(27,58,92,.04); }
.lang-btn .globe-icon { width: 15px; height: 15px; flex-shrink: 0; }
.lang-btn .chevron-icon { width: 12px; height: 12px; flex-shrink: 0; transition: transform var(--anim-base); }
.lang-btn[aria-expanded="true"] .chevron-icon { transform: rotate(180deg); }
#langLabel { font-size: 0.8125rem; }
.lang-dropdown { position: absolute; top: calc(100% + 6px); right: 0; background: var(--color-bg-2); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 148px; z-index: 200; overflow: hidden; opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity var(--anim-base), transform var(--anim-base); }
.lang-dropdown.open { opacity: 1; transform: translateY(0); pointer-events: all; }
.lang-option { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 14px; background: none; border: none; cursor: pointer; font-family: var(--font-body); font-size: 0.9rem; color: var(--color-text); text-align: left; transition: background var(--anim-fast); }
.lang-option:hover { background: var(--color-bg-3); }
.lang-option.active { color: var(--color-accent); font-weight: 600; }
.lang-flag { font-size: 1rem; line-height: 1; }

@media (max-width: 900px) {
  #langLabel, .lang-btn .chevron-icon { display: none; }
  .lang-btn { padding: 0 8px; }
  .lang-dropdown { right: 0; }
}

/* ── REVEAL ────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 300ms ease-out, transform 300ms ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.rd-1 { transition-delay: 75ms; }
.rd-2 { transition-delay: 150ms; }
.rd-3 { transition-delay: 225ms; }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .portfolio-grid { grid-template-columns: repeat(2,1fr); }
  .github-grid    { grid-template-columns: repeat(2,1fr); }
  .services-layout { grid-template-columns: 1fr; }
  .services-sticky { position: static; }
}
@media (max-width: 900px) {
  .process-steps-grid { grid-template-columns: repeat(2,1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .nav-links, .nav-actions .btn-secondary, .nav-actions .btn-primary { display: none; }
  .hamburger { display: flex; }
  .nav-inner { justify-content: flex-start; gap: var(--space-3); }
  .nav-logo  { margin-right: auto; }
}
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .github-grid    { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3,auto); gap: var(--space-4) var(--space-6); }
  .form-row { grid-template-columns: 1fr; }
  .process-steps-grid { grid-template-columns: 1fr; }
  .portfolio-header, .github-head { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .portfolio-header .btn, .github-head .btn { width: 100%; justify-content: center; }
  .filter-tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: 2px; }
  .filter-tabs::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; }
  .repo-card.mob-hidden { display: none; }
  .github-voir-plus { text-align: center; margin-top: var(--space-6); }
}