/* ═══════════════════════════════════════════════════
   ISAMA PORTFOLIO — MASTER STYLESHEET
   Theme: High-End Digital / Electric Blueprint
   ═══════════════════════════════════════════════════ */

/* ── RESET & BASE ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── CSS VARIABLES ────────────────────────────────── */
:root {
  --blue:       #1877F2;
  --blue-light: #4A9BFF;
  --blue-glow:  rgba(24,119,242,0.25);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* DARK THEME (default) */
[data-theme="dark"] {
  --bg:         #0A0A0A;
  --bg-2:       #111111;
  --bg-3:       #181818;
  --bg-card:    #141414;
  --border:     rgba(255,255,255,0.08);
  --border-hover: rgba(24,119,242,0.5);
  --text:       #FFFFFF;
  --text-2:     #A0A0A0;
  --text-3:     #606060;
  --badge-bg:   rgba(24,119,242,0.12);
  --shadow:     0 0 40px rgba(0,0,0,0.8);
  --glow:       0 0 30px rgba(24,119,242,0.2);
}

/* LIGHT THEME */
[data-theme="light"] {
  --bg:         #F5F7FA;
  --bg-2:       #FFFFFF;
  --bg-3:       #EAECF0;
  --bg-card:    #FFFFFF;
  --border:     rgba(0,0,0,0.08);
  --border-hover: rgba(24,119,242,0.5);
  --text:       #0A0A0A;
  --text-2:     #555555;
  --text-3:     #999999;
  --badge-bg:   rgba(24,119,242,0.08);
  --shadow:     0 4px 30px rgba(0,0,0,0.08);
  --glow:       0 0 30px rgba(24,119,242,0.1);
}

/* ── BODY ─────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── TYPOGRAPHY ───────────────────────────────────── */
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}
.section__heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--text);
  margin-bottom: 1rem;
}

/* ── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--glow);
}
.btn--primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--blue-glow);
}
.btn--outline {
  border: 1px solid var(--border-hover);
  color: var(--blue);
}
.btn--outline:hover { background: var(--blue); color: #fff; }
.btn--ghost { color: var(--text-2); }
.btn--ghost:hover { color: var(--blue); }
.btn--sm { padding: 8px 18px; font-size: 0.75rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── NAV ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
[data-theme="light"] .nav { background: rgba(245,247,250,0.9); }
.nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.3); }

.nav__inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 70px;
  display: flex; align-items: center; gap: 2rem;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  color: var(--text);
}
.nav__logo span { color: var(--blue); }
.nav__links {
  display: flex; gap: 2rem; margin-left: auto;
}
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--blue);
  transition: width var(--transition);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.nav__mobile { display: none; flex-direction: column; padding: 12px 24px 20px; gap: 16px; border-top: 1px solid var(--border); }
.nav__mobile a { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.nav__mobile.open { display: flex; }

/* ── THEME TOGGLE ─────────────────────────────────── */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  font-size: 1rem;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.theme-toggle:hover { border-color: var(--blue); box-shadow: var(--glow); }
.theme-toggle__icon { position: absolute; transition: all 0.3s; }
[data-theme="dark"] .sun { opacity: 0; transform: scale(0); }
[data-theme="dark"] .moon { opacity: 1; transform: scale(1); }
[data-theme="light"] .moon { opacity: 0; transform: scale(0); }
[data-theme="light"] .sun { opacity: 1; transform: scale(1); }

/* ── HERO ─────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero__noise {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}
.hero__grid-lines {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(24,119,242,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24,119,242,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__inner {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 4rem;
  padding-top: 6rem; padding-bottom: 4rem;
  min-height: calc(100vh - 70px - 280px);
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: var(--badge-bg);
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.hero__badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue);
  animation: pulse 2s infinite;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(24,119,242,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(24,119,242,0); }
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}
.hero__headline--ghost {
  -webkit-text-stroke: 1px var(--text-3);
  color: transparent;
}
.hero__tagline {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn__arrow { font-size: 1.1rem; transition: transform var(--transition); }
.btn--ghost:hover .btn__arrow { transform: translateX(4px); }

/* Hero photo */
.hero__visual { display: flex; flex-direction: column; align-items: center; gap: 16px; position: relative; }
.hero__photo-frame {
  width: 260px; height: 320px;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.hero__photo-ring {
  position: absolute; inset: -1px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), transparent, var(--blue-light));
  opacity: 0.5;
  animation: ring-spin 4s linear infinite;
  z-index: 1; pointer-events: none;
}
@keyframes ring-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  position: relative;
  z-index: 0;
}
.hero__photo-placeholder {
  display: none;
  width: 100%; height: 100%;
  align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--blue);
  background: var(--bg-3);
}
.hero__card--floating {
  position: absolute; right: -20px; top: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.hero__card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3);
}
.hero__card-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--blue);
}

/* Stats */
.stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 3rem auto 0;
}
.stats__item {
  padding: 2rem 1rem;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stats__item:last-child { border-right: none; }
.stats__num {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--blue);
  line-height: 1;
}
.stats__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}

/* Process */
.process {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--border);
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.process__item {
  background: var(--bg);
  padding: 2rem 1.5rem;
  transition: background var(--transition);
}
.process__item:hover { background: var(--bg-3); }
.process__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.process__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.process__desc {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── ARSENAL ──────────────────────────────────────── */
.arsenal {
  background: var(--bg-2);
  padding: 6rem 0;
  position: relative;
}
[data-theme="dark"] .arsenal { background: #111; }
.arsenal__header { margin-bottom: 3rem; }
.arsenal__desc { color: var(--text-2); max-width: 400px; }
.arsenal__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.skill-card {
  background: var(--bg-card);
  padding: 2rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue-glow), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover { border-color: var(--border-hover); }
.skill-card__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: color var(--transition);
}
.skill-card:hover .skill-card__name { color: var(--blue-light); }
.skill-card__cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 2px;
}
.skill-card__arrow {
  font-size: 1.2rem; color: var(--text-3);
  transition: all var(--transition);
}
.skill-card:hover .skill-card__arrow { color: var(--blue); transform: translateX(4px); }

/* ── LEGACY ───────────────────────────────────────── */
.legacy {
  padding: 6rem 0;
  background: var(--bg);
}
.legacy__layout {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 4rem; align-items: start;
}
.legacy__heading { font-size: clamp(2rem, 4vw, 3.5rem); }
.legacy__sub { color: var(--text-2); font-size: 0.95rem; max-width: 280px; }
.legacy__right { display: flex; flex-direction: column; gap: 16px; }

.exp-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  background: var(--bg-card);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.exp-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--blue);
  transform: scaleY(0); transition: transform var(--transition);
  transform-origin: top;
}
.exp-card:hover::before { transform: scaleY(1); }
.exp-card:hover { border-color: var(--border-hover); transform: translateX(4px); }
.exp-card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.5rem; }
.exp-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem; letter-spacing: 0.05em; color: var(--text);
}
.exp-card__badge {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--badge-bg);
  color: var(--blue);
  white-space: nowrap;
}
.exp-card__company {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-3); letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.exp-card__desc { font-size: 0.88rem; color: var(--text-2); line-height: 1.7; }

/* ── DIGITAL FORGE ────────────────────────────────── */
.forge {
  background: #0A0A0A;
  padding: 6rem 0;
  position: relative;
}
[data-theme="light"] .forge { background: #1a1a2e; }
.forge .section__heading, .forge .section__eyebrow { color: #fff; }
.forge__sub { color: rgba(255,255,255,0.5); margin-top: 0.5rem; }
.forge__header { text-align: center; margin-bottom: 3rem; }
.forge__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.forge-card {
  background: #141414;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.forge-card:hover {
  border-color: var(--blue);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(24,119,242,0.15);
}
.forge-card__img {
  height: 160px; background: linear-gradient(135deg, #1a1a2e, #0d1b2e);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 2.5rem; color: var(--blue);
  position: relative; overflow: hidden;
}
.forge-card__img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue-glow), transparent);
}
.forge-card__img img { width: 100%; height: 100%; object-fit: cover; }
.forge-card__body { padding: 1.25rem 1.5rem; flex: 1; }
.forge-card__cat {
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 0.5rem;
}
.forge-card__title {
  font-family: var(--font-display); font-size: 1.3rem;
  letter-spacing: 0.05em; color: #fff; margin-bottom: 0.5rem;
}
.forge-card__desc { font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.6; margin-bottom: 1rem; }
.forge-card__stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 1rem; }
.forge-card__tech {
  font-family: var(--font-mono); font-size: 0.62rem;
  padding: 3px 8px; border-radius: 4px;
  background: rgba(24,119,242,0.1);
  border: 1px solid rgba(24,119,242,0.2);
  color: var(--blue-light);
}
.forge-card__footer { padding: 0 1.5rem 1.25rem; display: flex; gap: 12px; }
.forge-card__link {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 16px; border-radius: var(--radius);
  transition: all var(--transition);
}
.forge-card__link--live { background: var(--blue); color: #fff; }
.forge-card__link--live:hover { background: var(--blue-light); }
.forge-card__link--gh { border: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); }
.forge-card__link--gh:hover { border-color: var(--blue); color: var(--blue); }

.forge-card__img-scroll,
.artifact-card__img-scroll {
  height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: inherit;
  position: relative;
  background: #111;
}

.forge-card__img-scroll img,
.artifact-card__img-scroll img {
  width: 100%;
  height: auto;   /* CRITICAL */
  display: block;
}

/* hide scrollbar */
.forge-card__img-scroll::-webkit-scrollbar,
.artifact-card__img-scroll::-webkit-scrollbar {
  display: none;
}

.forge-card__img-scroll:hover img,
.artifact-card__img-scroll:hover img {
  animation: scrollPreview 6s linear infinite alternate;
}

@keyframes scrollPreview {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}
/* ── ARTIFACTS ────────────────────────────────────── */
.artifacts { padding: 6rem 0; background: var(--bg); }
.artifacts__header { margin-bottom: 2rem; }
.artifacts__filters {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 2.5rem;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 18px; border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--blue); border-color: var(--blue); color: #fff;
}
.artifacts__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.artifact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.artifact-card:hover { border-color: var(--border-hover); box-shadow: var(--glow); }
.artifact-card__img {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 3rem;
  color: var(--blue); overflow: hidden;
  position: relative;
}
.artifact-card__img img { width: 100%; height: 100%; object-fit: cover; }
.artifact-card__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; gap: 12px;
  opacity: 0; transition: opacity var(--transition);
}
.artifact-card:hover .artifact-card__overlay { opacity: 1; }
.artifact-card__body { padding: 1.25rem 1.5rem; }
.artifact-card__cat {
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 4px;
}
.artifact-card__title {
  font-family: var(--font-display); font-size: 1.4rem;
  letter-spacing: 0.03em; margin-bottom: 6px; color: var(--text);
}
.artifact-card__desc { font-size: 0.82rem; color: var(--text-2); line-height: 1.6; }
.artifact-card.hidden { display: none; }

/* ── CONTACT ──────────────────────────────────────── */
.contact { padding: 6rem 0; background: var(--bg-2); }
[data-theme="dark"] .contact { background: #111; }
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contact__sub { color: var(--text-2); margin-bottom: 2rem; max-width: 320px; }
.contact__info { display: flex; flex-direction: column; gap: 12px; }
.contact__info-item {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-2);
}
.contact__info-icon { color: var(--blue); font-size: 1.1rem; width: 20px; }

/* Form */
.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form__group { display: flex; flex-direction: column; gap: 8px; }
.form__group label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3);
}
.form__group input,
.form__group textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text);
  font-family: var(--font-body); font-size: 0.92rem;
  transition: all var(--transition);
  resize: vertical;
  outline: none;
  width: 100%;
}
.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.form__status {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 8px 0; text-align: center;
  min-height: 24px; color: var(--blue);
}

/* ── FOOTER ───────────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}
.footer__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer__logo { font-family: var(--font-display); font-size: 1.5rem; }
.footer__logo span { color: var(--blue); }
.footer__copy { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); }
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3); transition: color var(--transition);
}
.footer__links a:hover { color: var(--blue); }

/* ── AOS ANIMATIONS ───────────────────────────────── */
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__tagline { margin: 0 auto 2.5rem; }
  .hero__actions { justify-content: center; }
  .hero__visual { display: none; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .process { grid-template-columns: repeat(2,1fr); }
  .legacy__layout { grid-template-columns: 1fr; gap: 2rem; }
  .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
  .artifacts__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__actions .btn--outline { display: none; }
}
@media (max-width: 600px) {
  .stats { grid-template-columns: repeat(2,1fr); }
  .process { grid-template-columns: 1fr; }
  .forge__grid { grid-template-columns: 1fr; }
  .section__heading { font-size: 2.5rem; }
}