/* ============================================================
   DI – DISRUPTIVE INNOVATION  |  style.css
   Design System: CSS Variables → Components → Layout → Animations
   ============================================================ */

/* ── GOOGLE FONTS ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Barlow:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root {
  /* Colors – Blue Palette */
  --c-lightest:   #CEDDFA;
  --c-lighter:    #95B6F5;
  --c-light:      #5C8DF0;
  --c-primary:    #2563EB;
  --c-dark-1:     #1142B0;
  --c-dark-2:     #06256A;
  --c-dark-3:     #010B2C;

  /* Surface colors */
  --c-bg:         #ffffff;
  --c-bg-alt:     #f0f5ff;
  --c-bg-section: #f8faff;
  --c-border:     #dde8fb;

  /* Text colors */
  --c-text:       #0a0f1e;
  --c-text-2:     #374151;
  --c-text-muted: #64748b;
  --c-text-inv:   #ffffff;
  --c-text-inv-2: rgba(255,255,255,0.75);
  --c-text-inv-3: rgba(255,255,255,0.5);

  /* Typography */
  --f-heading: 'Orbitron', sans-serif;
  --f-body:    'Barlow', sans-serif;

  --fs-xs:   0.75rem;   /* 12 */
  --fs-sm:   0.875rem;  /* 14 */
  --fs-base: 1rem;      /* 16 */
  --fs-lg:   1.125rem;  /* 18 */
  --fs-xl:   1.375rem;  /* 22 */
  --fs-2xl:  1.75rem;   /* 28 */
  --fs-3xl:  2.25rem;   /* 36 */
  --fs-4xl:  3rem;      /* 48 */
  --fs-5xl:  4rem;      /* 64 */
  --fs-6xl:  5.5rem;    /* 88 */

  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;
  --fw-bold:   700;

  --lh-tight:  1.1;
  --lh-snug:   1.3;
  --lh-normal: 1.6;
  --lh-loose:  1.8;

  --ls-tight:  -0.03em;
  --ls-normal:  0;
  --ls-wide:    0.08em;
  --ls-wider:   0.15em;

  /* Spacing (8px grid) */
  --s-1:  0.5rem;    /* 8  */
  --s-2:  1rem;      /* 16 */
  --s-3:  1.5rem;    /* 24 */
  --s-4:  2rem;      /* 32 */
  --s-5:  2.5rem;    /* 40 */
  --s-6:  3rem;      /* 48 */
  --s-8:  4rem;      /* 64 */
  --s-10: 5rem;      /* 80 */
  --s-12: 6rem;      /* 96 */
  --s-16: 8rem;      /* 128 */

  /* Border radius */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   14px;
  --r-xl:   24px;
  --r-pill: 999px;

  /* Shadows */
  --sh-xs:   0 1px 3px rgba(1,11,44,.08);
  --sh-sm:   0 2px 8px rgba(1,11,44,.10);
  --sh-md:   0 4px 20px rgba(37,99,235,.12);
  --sh-lg:   0 8px 40px rgba(37,99,235,.18);
  --sh-xl:   0 16px 64px rgba(37,99,235,.22);
  --sh-glow: 0 0 0 2px rgba(37,99,235,.25), 0 8px 32px rgba(37,99,235,.2);
  --sh-card: 0 2px 12px rgba(1,11,44,.08), 0 0 0 1px rgba(37,99,235,.06);
  --sh-card-hover: 0 8px 32px rgba(37,99,235,.18), 0 0 0 1px rgba(37,99,235,.2);

  /* Transitions */
  --t-fast:   150ms ease;
  --t-med:    300ms cubic-bezier(.4,0,.2,1);
  --t-slow:   600ms cubic-bezier(.4,0,.2,1);

  /* Layout */
  --max-w:    1280px;
  --nav-h:    70px;
}

/* ── RESET ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-normal);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
h1, h2, h3, h4, .heading { font-family: var(--f-heading); line-height: var(--lh-tight); letter-spacing: var(--ls-tight); }
h1 { font-size: var(--fs-4xl); font-weight: var(--fw-bold); }
h2 { font-size: var(--fs-3xl); font-weight: var(--fw-bold); }
h3 { font-size: var(--fs-2xl); font-weight: var(--fw-semi); }
h4 { font-size: var(--fs-xl); font-weight: var(--fw-semi); }
p  { line-height: var(--lh-loose); color: var(--c-text-2); }

.eyebrow {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-primary);
}
.eyebrow--inv { color: var(--c-light); }
.eyebrow--muted { color: var(--c-text-muted); }

/* ── LAYOUT ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s-3);
}
.section {
  padding: var(--s-16) 0;
  position: relative;
  overflow: hidden;
}
.section--sm { padding: var(--s-10) 0; }
.section--lg { padding: var(--s-16) 0 calc(var(--s-16) + var(--s-4)); }

/* Offset anchor targets so they don't hide behind the fixed nav */
section[id], [id].page-hero { scroll-margin-top: calc(var(--nav-h) + var(--s-2)); }

/* Section backgrounds */
.section--white    { background: var(--c-bg); }
.section--alt      { background: var(--c-bg-section); }
.section--tint     { background: var(--c-bg-alt); }
.section--dark     { background: var(--c-dark-3); color: var(--c-text-inv); }
.section--dark-2   { background: var(--c-dark-2); color: var(--c-text-inv); }
.section--primary  { background: var(--c-primary); color: var(--c-text-inv); }

.section__header {
  margin-bottom: var(--s-8);
  max-width: 640px;
}
.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section__title {
  margin-top: var(--s-1);
  color: inherit;
}
.section--dark .section__title,
.section--dark-2 .section__title { color: var(--c-text-inv); }

.section__subtitle {
  margin-top: var(--s-2);
  font-size: var(--fs-lg);
  color: var(--c-text-muted);
  line-height: var(--lh-loose);
}
.section--dark .section__subtitle,
.section--dark-2 .section__subtitle { color: var(--c-text-inv-2); }

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }

/* Flex helpers */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75rem 1.75rem;
  font-family: var(--f-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--r-md);
  transition: all var(--t-med);
  white-space: normal;
  text-align: center;
  max-width: 100%;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,rgba(255,255,255,.15) 0%,transparent 60%);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn:hover::after { opacity: 1; }

.btn--primary {
  background: var(--c-primary);
  color: var(--c-text-inv);
  box-shadow: var(--sh-md);
}
.btn--primary:hover {
  background: var(--c-dark-1);
  box-shadow: var(--sh-lg);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--c-text-inv);
  border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--c-primary);
  border: 1px solid var(--c-border);
  padding: 0.6rem 1.4rem;
}
.btn--ghost:hover {
  background: var(--c-bg-alt);
  border-color: var(--c-primary);
  transform: translateY(-1px);
}

.btn--lg { padding: 1rem 2.5rem; font-size: var(--fs-base); }
.btn--sm { padding: 0.5rem 1.2rem; font-size: var(--fs-xs); }

.btn-group { display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; }

/* ── BADGES ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--r-pill);
}
.badge--primary   { background: var(--c-lightest); color: var(--c-dark-1); }
.badge--dark      { background: rgba(255,255,255,.1); color: var(--c-text-inv); }
.badge--blue      { background: rgba(37,99,235,.1); color: var(--c-primary); border: 1px solid rgba(37,99,235,.2); }
.badge--year      { background: var(--c-dark-3); color: var(--c-lighter); font-size: var(--fs-xs); min-width: 52px; justify-content: center; }
.badge--cat       { background: transparent; color: var(--c-text-muted); border: 1px solid var(--c-border); font-weight: var(--fw-medium); opacity: .8; transition: color var(--t-fast), border-color var(--t-fast), opacity var(--t-fast); }
.timeline-item__header:hover .badge--cat { opacity: 1; }
.timeline-item.open .badge--cat { color: var(--c-primary); border-color: rgba(37,99,235,.3); opacity: 1; }

/* ── NAVIGATION ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background var(--t-med), box-shadow var(--t-med);
}
.nav.scrolled {
  background: rgba(1,11,44,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(37,99,235,.2), var(--sh-sm);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  text-decoration: none;
}
.nav__logo-mark {
  width: 36px; height: 36px;
  background: var(--c-primary);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: #fff;
  letter-spacing: -0.02em;
}
.nav__logo-text {
  font-family: var(--f-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--c-text-inv);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.nav__logo-sub {
  font-size: var(--fs-xs);
  color: var(--c-text-inv-3);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  margin-top: 1px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.nav__link {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-inv-2);
  transition: color var(--t-fast);
  padding: var(--s-1) 0;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--c-primary);
  transition: width var(--t-med);
}
.nav__link:hover { color: var(--c-text-inv); }
.nav__link:hover::after { width: 100%; }
.nav__link--active { color: var(--c-text-inv); }
.nav__link--active::after { width: 100%; }

.nav__lang {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-left: var(--s-3);
  padding-left: var(--s-3);
  border-left: 1px solid rgba(255,255,255,.15);
}
.nav__lang-btn {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  color: var(--c-text-inv-3);
  padding: 0.25rem 0.5rem;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
}
.nav__lang-btn.active,
.nav__lang-btn:hover { color: var(--c-text-inv); background: rgba(255,255,255,.1); }
.nav__lang-sep { color: var(--c-text-inv-3); font-size: var(--fs-xs); }
.nav__lang-globe { color: var(--c-text-inv-3); flex-shrink: 0; margin-right: 2px; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--s-1);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--c-text-inv);
  transition: all var(--t-med);
}
.nav__toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px,4.5px); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--c-dark-3);
}
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  will-change: transform;
}
.hero__slide.active { opacity: 1; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(1,11,44,.88) 0%, rgba(1,11,44,.55) 60%, rgba(6,37,106,.4) 100%);
  z-index: 1;
}
.hero__overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(37,99,235,.02) 2px,
    rgba(37,99,235,.02) 4px
  );
  pointer-events: none;
}
/* Aurora-borealis light rays – soft, uneven beams from the top-right */
.hero__aurora {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
/* Bright source glow near the top-right corner */
.hero__aurora::after {
  content: '';
  position: absolute;
  top: -30%; right: -8%;
  width: 60%; height: 110%;
  background: radial-gradient(circle at 78% 0%, rgba(206,221,250,.34), rgba(92,141,240,.12) 42%, transparent 72%);
  filter: blur(45px);
  opacity: .8;
}
/* One ray element, multiple linear bands = several parallel beams, tilted
   from the top-right edge toward the lower-centre (not radial). */
.hero__aurora .ray {
  position: absolute;
  inset: -25%;
  transform-origin: 82% 0%;
  will-change: transform, opacity;
  background: linear-gradient(90deg,
    transparent 0%,
    transparent 33%,
    rgba(149,182,245,.30) 39%, rgba(149,182,245,0) 44%,   /* beam 1 */
    rgba(206,221,250,.40) 52%, rgba(206,221,250,0) 58%,   /* beam 2 – brightest */
    rgba(92,141,240,.28)  65%, rgba(92,141,240,0)  71%,   /* beam 3 */
    rgba(149,182,245,.34) 78%, rgba(149,182,245,0) 84%,   /* beam 4 */
    rgba(206,221,250,.22) 90%, rgba(206,221,250,0) 94%,   /* thin beam 5 */
    transparent 100%);
  filter: blur(10px);
  -webkit-mask: radial-gradient(125% 135% at 84% -12%, #000 16%, rgba(0,0,0,.5) 60%, transparent 96%);
          mask: radial-gradient(125% 135% at 84% -12%, #000 16%, rgba(0,0,0,.5) 60%, transparent 96%);
  animation: rayDrift1 20s ease-in-out infinite alternate;
  opacity: .75;
}
/* Slow, clearly visible looping drift. Translation moves the bright (masked)
   area too – rotation alone barely shows because it pivots at the bright spot. */
@keyframes rayDrift1 {
  0%   { transform: rotate(6deg)  translate(-9%, -3%); opacity: .55; }
  50%  { transform: rotate(13deg) translate(0%, 0%);   opacity: .9; }
  100% { transform: rotate(20deg) translate(9%, 4%);   opacity: .65; }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp .8s .2s forwards;
}
.hero__eyebrow-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--c-primary);
}
.hero__di {
  font-family: var(--f-heading);
  font-size: clamp(5rem, 14vw, var(--fs-6xl));
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--c-text-inv);
  margin-bottom: 0.15em;
  text-shadow: 0 8px 40px rgba(37,99,235,.35);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp .9s .35s forwards;
}
.hero__di span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(92,141,240,.8);
}
/* Full brand name – prominent, paired with DI */
.hero__name {
  font-family: var(--f-heading);
  font-size: clamp(1.5rem, 4.6vw, 2.85rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.04;
  margin-bottom: var(--s-5);
  background: linear-gradient(100deg, #ffffff 0%, var(--c-lighter) 55%, var(--c-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp .9s .55s forwards;
}
.hero__tagline {
  font-family: var(--f-heading);
  font-size: clamp(var(--fs-sm), 2.5vw, var(--fs-xl));
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-lighter);
  margin-bottom: var(--s-4);
  opacity: 0;
  animation: fadeUp .9s .5s forwards;
}
.hero__desc {
  font-size: var(--fs-lg);
  color: var(--c-text-inv-2);
  max-width: 500px;
  line-height: var(--lh-loose);
  margin-bottom: var(--s-6);
  opacity: 0;
  animation: fadeUp .9s .65s forwards;
}
.hero__cta {
  opacity: 0;
  animation: fadeUp .9s .8s forwards;
}
.hero__scroll {
  position: absolute;
  bottom: var(--s-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
}
.hero__scroll-label {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--c-text-inv-3);
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--c-primary), transparent);
  animation: scrollPulse 2s infinite;
}
.hero__dots {
  position: absolute;
  bottom: var(--s-6);
  right: var(--s-6);
  z-index: 2;
  display: flex;
  gap: var(--s-1);
}
.hero__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-text-inv-3);
  transition: all var(--t-med);
  cursor: pointer;
  border: none;
  padding: 0;
}
.hero__dot.active {
  background: var(--c-primary);
  width: 20px;
  border-radius: var(--r-pill);
}

/* ── STATS STRIP ──────────────────────────────────────────── */
.stats {
  background: var(--c-dark-2);
  padding: var(--s-8) 0;
  border-top: 1px solid rgba(37,99,235,.2);
  border-bottom: 1px solid rgba(37,99,235,.2);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-1);
  position: relative;
}
.stats__grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(37,99,235,.12) 0%, transparent 70%);
  pointer-events: none;
}
.stat {
  text-align: center;
  padding: var(--s-3) var(--s-2);
  border-right: 1px solid rgba(255,255,255,.06);
  position: relative;
}
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--f-heading);
  font-size: var(--fs-4xl);
  font-weight: 900;
  color: var(--c-text-inv);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}
.stat__num span {
  background: linear-gradient(135deg, var(--c-light), var(--c-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat__label {
  margin-top: var(--s-1);
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-text-inv-2);
}

/* ── ABOUT / TEAM ─────────────────────────────────────────── */
/* About section – animated background orbs + accents */
#about { position: relative; }
#about::before,
#about::after {
  content: '';
  position: absolute;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(30px);
}
#about::before {
  top: -8%; left: -6%;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(92,141,240,.20), transparent 65%);
  animation: floatOrbA 17s ease-in-out infinite alternate;
}
#about::after {
  bottom: -12%; right: -4%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(149,182,245,.18), transparent 68%);
  animation: floatOrbB 21s ease-in-out infinite alternate;
}
#about .container { position: relative; z-index: 1; }
@keyframes floatOrbA { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(50px,40px) scale(1.12); } }
@keyframes floatOrbB { 0% { transform: translate(0,0) scale(1.05); } 100% { transform: translate(-46px,-32px) scale(1); } }

.about__grid {
  display: grid;
  grid-template-columns: 5fr 2fr;
  gap: var(--s-8);
  align-items: start;
}
.about__text {
  position: relative;
  padding-left: var(--s-4);
}
.about__text::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(to bottom, var(--c-primary), rgba(37,99,235,0));
}
.about__text .section__title {
  background: linear-gradient(100deg, var(--c-text) 30%, var(--c-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.about__text p { margin-bottom: var(--s-2); }
.about__text > p:first-of-type {
  font-size: var(--fs-lg);
  color: var(--c-text);
  line-height: var(--lh-normal);
}

.profile-card {
  background: var(--c-bg);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-card);
  border: 1px solid var(--c-border);
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.profile-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-card-hover);
}
.profile-card__img-wrap {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  background: var(--c-bg-alt);
}
.profile-card__img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(1,11,44,.5), transparent);
}
.profile-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform var(--t-slow);
}
.profile-card:hover .profile-card__img { transform: scale(1.04); }
.profile-card__body {
  padding: var(--s-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.profile-card__name {
  font-family: var(--f-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--c-text);
}
.profile-card__role {
  font-size: var(--fs-sm);
  color: var(--c-primary);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.profile-card__icon {
  width: 36px; height: 36px;
  background: var(--c-bg-alt);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-primary);
  flex-shrink: 0;
}

/* ── PROJECT CARDS ────────────────────────────────────────── */
.project-card {
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-card);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
  display: flex;
  flex-direction: column;
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-light));
  opacity: 0;
  transition: opacity var(--t-med);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sh-card-hover);
  border-color: rgba(37,99,235,.25);
}
.project-card:hover::before { opacity: 1; }

.project-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-bg-alt);
  position: relative;
}
.project-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.project-card:hover .project-card__img img { transform: scale(1.06); }
.project-card__img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-bg-alt), var(--c-lightest));
  color: var(--c-primary-light, var(--c-lighter));
}

.project-card__body {
  padding: var(--s-3) var(--s-3) var(--s-4);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--s-1);
}
.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-1);
}
.project-card__title {
  font-size: var(--fs-xl);
  letter-spacing: var(--ls-tight);
  margin-top: var(--s-1);
  color: var(--c-text);
}
.project-card__desc {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  line-height: var(--lh-loose);
  flex: 1;
  margin-top: var(--s-1);
}
.project-card__footer {
  margin-top: var(--s-2);
  padding-top: var(--s-2);
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-card__link {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  gap: 0.4em;
  transition: gap var(--t-fast), color var(--t-fast);
}
.project-card__link:hover { gap: 0.7em; color: var(--c-dark-1); }

/* ── PROJECTS SECTION (index) ─────────────────────────────── */
.projects-teaser__cta {
  text-align: center;
  margin-top: var(--s-8);
}
/* Mouse-follow spotlight (smoothed via JS) */
#projects { position: relative; }
#projects > .container { position: relative; z-index: 1; }
.spotlight {
  position: absolute;
  top: 0; left: 0;
  width: 640px; height: 640px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(37,99,235,.12), rgba(37,99,235,.05) 40%, transparent 65%);
  opacity: 0;
  transition: opacity .5s ease;
  will-change: transform;
}

/* ── CONTACT SECTION ──────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  margin-top: var(--s-6);
}
.contact-card {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(37,99,235,.2);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  backdrop-filter: blur(8px);
  transition: border-color .5s ease, transform .5s cubic-bezier(.22,1,.36,1), box-shadow .5s ease;
}
/* Cursor-following glow – very subtle, just an accent feature */
.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 0%), rgba(149,182,245,.10), transparent 60%);
  opacity: 0;
  transition: opacity .6s ease;
  z-index: 0;
}
/* Rotating gradient border that sweeps like light on hover */
@property --cc-angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  z-index: 2;
  background: conic-gradient(from var(--cc-angle),
    rgba(92,141,240,0) 0deg,
    rgba(149,182,245,.85) 60deg,
    rgba(92,141,240,0) 150deg,
    rgba(92,141,240,0) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .6s ease, --cc-angle 1.4s ease;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-card:hover {
  border-color: rgba(92,141,240,.3);
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(37,99,235,.25);
}
.contact-card:hover::before { opacity: 1; }
.contact-card:hover::after { opacity: 1; --cc-angle: 45deg; }
.contact-card__name {
  font-family: var(--f-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--c-text-inv);
  margin-top: var(--s-2);
}
.contact-card__role {
  font-size: var(--fs-sm);
  font-family: var(--f-heading);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-light);
  margin-top: 4px;
}
.contact-card__links {
  margin-top: var(--s-3);
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}
.contact-link {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-base);
  color: var(--c-text-inv-2);
  transition: color var(--t-fast);
  padding: 0.35rem 0;
}
.contact-link:hover { color: var(--c-text-inv); }
.contact-link__icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(37,99,235,.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-lighter);
  flex-shrink: 0;
  transition: background var(--t-fast);
}
.contact-link:hover .contact-link__icon { background: rgba(37,99,235,.4); }

.contact-address {
  margin-top: var(--s-6);
  padding-top: var(--s-6);
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
}
.contact-address__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: rgba(37,99,235,.15);
  border: 1px solid rgba(37,99,235,.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-light);
  flex-shrink: 0;
}
.contact-address__text {
  color: var(--c-text-inv-2);
  line-height: var(--lh-loose);
}
.contact-address__label {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-text-inv-3);
  margin-bottom: 4px;
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer {
  background: rgba(0,0,0,.3);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: var(--s-4) 0;
  color: var(--c-text-inv-3);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.footer__brand {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-text-inv-2);
}
.footer__links {
  display: flex;
  gap: var(--s-4);
}
.footer__link {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  transition: color var(--t-fast);
}
.footer__link:hover { color: var(--c-text-inv); }
.footer__copy {
  font-size: var(--fs-xs);
  text-align: right;
}

/* Light blue footer variant (homepage) */
.footer--light {
  background: var(--c-lightest);
  border-top: 1px solid var(--c-border);
  color: var(--c-dark-2);
}
.footer--light .footer__brand { color: var(--c-dark-2); }
.footer--light .footer__link { color: var(--c-dark-1); }
.footer--light .footer__link:hover { color: var(--c-primary); }
.footer--light .footer__copy { color: var(--c-text-muted); }

/* ── PAGE HERO (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--c-dark-3);
  padding: calc(var(--nav-h) + var(--s-10)) 0 var(--s-10);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 60%; aspect-ratio: 1;
  background: radial-gradient(ellipse, rgba(37,99,235,.12), transparent 70%);
  pointer-events: none;
}
.page-hero__title {
  font-size: clamp(var(--fs-3xl), 6vw, var(--fs-5xl));
  color: var(--c-text-inv);
}
.page-hero__sub {
  margin-top: var(--s-2);
  font-size: var(--fs-lg);
  color: var(--c-text-inv-2);
}

/* ── FILTER BAR ───────────────────────────────────────────── */
.filter-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  padding: var(--s-2) 0;
  box-shadow: var(--sh-xs);
}
.filter-bar__inner {
  display: flex;
  gap: var(--s-1);
  flex-wrap: wrap;
  align-items: center;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
  transition: all var(--t-fast);
  cursor: pointer;
}
.filter-btn__icon { width: 15px; height: 15px; flex-shrink: 0; }
.filter-btn:hover {
  background: var(--c-bg-alt);
  color: var(--c-primary);
  border-color: rgba(37,99,235,.3);
}
.filter-btn.active {
  background: var(--c-primary);
  color: var(--c-text-inv);
  border-color: var(--c-primary);
}

/* ── TIMELINE ─────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: var(--s-8);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 9px; bottom: 7px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-primary), var(--c-lightest));
}
/* Caps: arrow up at top ("Heute"), crossbar at bottom ("Start") */
.timeline__cap { position: absolute; left: 20px; transform: translateX(-50%); z-index: 1; }
.timeline__cap--top {
  top: -3px;
  width: 0; height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 11px solid var(--c-primary);
}
.timeline__cap--bottom {
  bottom: -1px;
  width: 22px; height: 3px;
  border-radius: var(--r-pill);
  background: var(--c-lighter);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--s-3);
  transition: opacity var(--t-med);
}
.timeline-item.hidden { display: none; }

.timeline-item__dot {
  position: absolute;
  left: calc(-1 * var(--s-8) + 14px);
  top: 20px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 2px solid var(--c-bg);
  box-shadow: 0 0 0 2px var(--c-primary);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  z-index: 1;
}
.timeline-item.open .timeline-item__dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 3px var(--c-primary), 0 0 12px rgba(37,99,235,.4);
}

.timeline-item__header {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--s-2) var(--s-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--s-2);
  transition: border-color var(--t-med), box-shadow var(--t-med), background var(--t-med);
  user-select: none;
}
.timeline-item__header:hover {
  border-color: rgba(37,99,235,.3);
  box-shadow: var(--sh-md);
}
.timeline-item.open .timeline-item__header {
  border-color: rgba(37,99,235,.4);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: var(--c-bg-alt);
  box-shadow: none;
}

.timeline-item__title {
  font-family: var(--f-heading);
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-tight);
  color: var(--c-text);
  flex: 1;
}
.timeline-item__chevron {
  color: var(--c-text-muted);
  transition: transform var(--t-med), color var(--t-med);
  flex-shrink: 0;
}
.timeline-item.open .timeline-item__chevron {
  transform: rotate(180deg);
  color: var(--c-primary);
}

/* Accordion body – grid-rows technique = animates any content height */
.timeline-item__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s cubic-bezier(.4,0,.2,1);
  background: var(--c-bg);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}
.timeline-item.open .timeline-item__body {
  grid-template-rows: 1fr;
  border: 1px solid rgba(37,99,235,.3);
  border-top: none;
}

.timeline-item__content {
  overflow: hidden;
  min-height: 0;
  padding: 0 var(--s-4);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--s-5);
  align-items: start;
  /* padding animates with the row so closed state is fully collapsed */
  padding-block: 0;
  transition: padding-block 0.45s cubic-bezier(.4,0,.2,1);
}
.timeline-item.open .timeline-item__content { padding-block: var(--s-4); }
.timeline-item__content--wide { grid-template-columns: 1fr; max-width: 760px; }

/* Staggered reveal of inner blocks when opened */
.timeline-item__content > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.timeline-item.open .timeline-item__content > * { opacity: 1; transform: none; }
.timeline-item.open .timeline-item__content > *:nth-child(1) { transition-delay: .12s; }
.timeline-item.open .timeline-item__content > *:nth-child(2) { transition-delay: .2s; }

/* Text column */
.ti-text p {
  font-size: var(--fs-base);
  line-height: var(--lh-loose);
  color: var(--c-text-2);
  margin-bottom: var(--s-2);
}
.ti-text p:last-child { margin-bottom: 0; }
.ti-lead {
  font-weight: var(--fw-semi);
  color: var(--c-text) !important;
}

/* Technical-data table */
.ti-specs {
  margin-top: var(--s-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg-section);
}
.ti-specs__head {
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-primary);
  padding: var(--s-1) var(--s-2);
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
}
.ti-specs__list { display: flex; flex-direction: column; }
.ti-specs__row {
  display: flex;
  justify-content: space-between;
  gap: var(--s-2);
  padding: 0.55rem var(--s-2);
  border-bottom: 1px solid var(--c-border);
}
.ti-specs__row:last-child { border-bottom: none; }
.ti-specs__row dt { color: var(--c-text-muted); font-size: var(--fs-sm); }
.ti-specs__row dd {
  color: var(--c-text);
  font-weight: var(--fw-semi);
  font-size: var(--fs-sm);
  text-align: right;
}

/* Patent link */
.ti-patent {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  margin-top: var(--s-3);
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-primary);
  transition: gap var(--t-fast), color var(--t-fast);
}
.ti-patent:hover { color: var(--c-dark-1); gap: 0.75em; }
.ti-patent--sm { margin-top: var(--s-1); font-size: 0.7rem; }

/* Embedded project videos (in the text column) */
.ti-video {
  margin: var(--s-3) 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: #000;
  box-shadow: var(--sh-sm);
}
.ti-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
}

/* Sub-projects within one box (e.g. Fahrrad-Entwicklungen) */
.ti-subs {
  margin-top: var(--s-3);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.ti-sub {
  padding: var(--s-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg-section);
  border-left: 3px solid var(--c-primary);
}
.ti-sub__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  color: var(--c-text);
  margin-bottom: 4px;
}
.ti-sub__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--c-text-2);
  margin-bottom: 4px;
}
.ti-sub__note {
  display: inline-block;
  margin-top: 2px;
  font-size: 0.7rem;
  font-style: italic;
  color: var(--c-text-muted);
}

/* Single image */
.ti-media { position: sticky; top: calc(var(--nav-h) + var(--s-6)); }
.ti-img {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg-alt);
  box-shadow: var(--sh-sm);
}
.ti-img img { width: 100%; height: auto; display: block; }

/* Gallery grid */
.ti-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-1);
}
.ti-gallery__item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  cursor: pointer;
  padding: 0;
}
.ti-gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,.0), rgba(37,99,235,.25));
  opacity: 0;
  transition: opacity var(--t-fast);
}
.ti-gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-med);
}
.ti-gallery__item:hover { border-color: rgba(37,99,235,.4); }
.ti-gallery__item:hover img { transform: scale(1.08); }
.ti-gallery__item:hover::after { opacity: 1; }
.ti-gallery__item:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

/* ── LIGHTBOX ─────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: var(--s-4);
  background: rgba(1,11,44,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox.open { display: flex; animation: lbFade .25s ease; }
.lightbox__figure {
  margin: 0;
  max-width: min(1200px, 96vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}
.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--r-md);
  box-shadow: var(--sh-xl);
}
.lightbox__img--in { animation: lbZoom .3s ease; }
.lightbox__caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-inv-2);
  text-align: center;
}
.lightbox__cap-count { color: var(--c-text-inv-3); }
.lightbox__close, .lightbox__nav {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(1,11,44,.45);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--c-text-inv);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  backdrop-filter: blur(6px);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(37,99,235,.6); border-color: var(--c-light); }
.lightbox__close { position: absolute; top: var(--s-3); right: var(--s-3); z-index: 2; }
/* Arrows overlaid inside the image, not in the side margins */
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; }
.lightbox__nav--prev { left: 24px; }
.lightbox__nav--next { right: 24px; }
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes lbZoom { from { opacity: .4; transform: scale(.97); } to { opacity: 1; transform: none; } }

/* ── SCROLL REVEAL ────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-reveal].visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="100"] { transition-delay: .1s; }
[data-reveal-delay="200"] { transition-delay: .2s; }
[data-reveal-delay="300"] { transition-delay: .3s; }
[data-reveal-delay="400"] { transition-delay: .4s; }
[data-reveal-delay="500"] { transition-delay: .5s; }

/* Micro-highlight shimmer on cards */
.shimmer {
  position: relative;
  overflow: hidden;
}
.shimmer::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; bottom: 0;
  width: 60%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
  transform: skewX(-15deg);
  transition: none;
}
.shimmer:hover::after {
  animation: shimmer .7s ease;
}

/* Decorative elements */
.deco-dots {
  position: absolute;
  opacity: .06;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--c-primary) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── LEGAL PAGES ──────────────────────────────────────────── */
.page-hero--slim { padding: calc(var(--nav-h) + var(--s-6)) 0 var(--s-6); }
.legal-content {
  max-width: 780px;
  padding: var(--s-8) 0 var(--s-16);
  margin: 0 auto;
}
.legal-content h1 { font-size: var(--fs-3xl); margin-bottom: var(--s-6); }
.legal-content h2 {
  font-size: var(--fs-xl);
  margin-top: var(--s-5);
  margin-bottom: var(--s-2);
  color: var(--c-text);
  font-size: var(--fs-xl);
}
.legal-content p, .legal-content address {
  font-style: normal;
  margin-bottom: var(--s-2);
  color: var(--c-text-2);
}
.legal-content a { color: var(--c-primary); }
.legal-content a:hover { text-decoration: underline; }

/* ── MOBILE MENU ──────────────────────────────────────────── */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(1,11,44,.97);
  backdrop-filter: blur(20px);
  padding: var(--s-4);
  flex-direction: column;
  gap: var(--s-3);
  z-index: 99;
  border-top: 1px solid rgba(37,99,235,.2);
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link {
  font-size: var(--fs-lg);
  padding: var(--s-2) 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav__mobile .nav__lang {
  padding-left: 0;
  border-left: none;
  border-top: none;
  margin-left: 0;
  padding-top: var(--s-2);
  gap: var(--s-2);
}
.nav__mobile .nav__lang-btn {
  font-size: var(--fs-sm);
  padding: 0.45rem 0.9rem;
}
.nav__mobile .nav__lang-globe { width: 18px; height: 18px; }

/* ── COOKIE / STORAGE TOAST ───────────────────────────────── */
.cookie-toast {
  position: fixed;
  left: var(--s-3);
  bottom: var(--s-3);
  z-index: 150;
  max-width: 420px;
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  padding: var(--s-3);
  background: var(--c-dark-3);
  color: var(--c-text-inv-2);
  border: 1px solid rgba(37,99,235,.35);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xl);
  transform: translateY(140%);
  opacity: 0;
  transition: transform .45s cubic-bezier(.4,0,.2,1), opacity .45s ease;
}
.cookie-toast.show { transform: none; opacity: 1; }
.cookie-toast__icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(37,99,235,.2);
  color: var(--c-light);
  display: flex; align-items: center; justify-content: center;
}
.cookie-toast__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--c-text-inv-2);
  margin: 0;
}
.cookie-toast__text a { color: var(--c-light); text-decoration: underline; }
.cookie-toast__text a:hover { color: var(--c-lighter); }
.cookie-toast__btn {
  flex-shrink: 0;
  align-self: center;
  padding: 0.5rem 1.1rem;
  font-family: var(--f-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-inv);
  background: var(--c-primary);
  border-radius: var(--r-md);
  transition: background var(--t-fast);
}
.cookie-toast__btn:hover { background: var(--c-dark-1); }

/* ── @KEYFRAMES ───────────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: .5; }
  50%       { transform: scaleY(1.3); opacity: 1; }
}
@keyframes shimmer {
  0%   { left: -100%; }
  100% { left: 200%; }
}
@keyframes aurora {
  0%   { transform: translateX(-55%) skewX(-5deg) scaleY(1);    opacity: .35; }
  50%  { transform: translateX(-45%) skewX(5deg)  scaleY(1.18); opacity: .7; }
  100% { transform: translateX(-52%) skewX(-2deg) scaleY(1.05); opacity: .5; }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .about__grid { grid-template-columns: 4fr 3fr; gap: var(--s-5); }
}
@media (max-width: 768px) {
  :root {
    --fs-4xl: 2.25rem;
    --fs-3xl: 1.75rem;
    --fs-5xl: 3rem;
    --s-16: 5rem;
    --s-12: 4rem;
  }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  /* About: text full width, the two photos stay side by side below */
  .about__grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .about__grid .grid-2 { grid-template-columns: 1fr 1fr; gap: var(--s-2); }
  .contact-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: var(--s-6); }
  .timeline::before { left: 14px; }
  .timeline__cap { left: 14px; }
  .timeline-item__dot { left: calc(-1 * var(--s-6) + 8px); }
  .timeline-item__content { grid-template-columns: 1fr; }
  .ti-media { position: static; }
  .lightbox__close, .lightbox__nav { width: 42px; height: 42px; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .filter-bar__inner { gap: 6px; }
  .hero__di { font-size: clamp(3.5rem, 18vw, 5rem); }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__copy { text-align: center; }
  /* Remove scroll hint + line on mobile */
  .hero__scroll { display: none; }
  /* Mobile: static aurora gradient – no animation (performance, no flicker) */
  .hero__aurora .ray { display: none; }
  .hero__aurora::after {
    animation: none;
    transform: none;
    top: -15%; right: -10%;
    width: 95%; height: 95%;
    opacity: .85;
    background: radial-gradient(115% 90% at 80% 0%, rgba(149,182,245,.32), rgba(92,141,240,.13) 45%, transparent 75%);
  }

  /* Filter bar: icon-only, single row */
  .filter-bar__inner { flex-wrap: nowrap; justify-content: space-between; gap: 4px; }
  .filter-btn { padding: 0.5rem; gap: 0; }
  .filter-btn__icon { width: 20px; height: 20px; }
  .filter-btn__label { display: none; }

  /* Project header: row 1 = year + tag (right), row 2 = larger name */
  .timeline-item__header { flex-wrap: wrap; row-gap: 0.4rem; }
  .timeline-item__header .badge--year { order: 1; }
  .timeline-item__header .badge--cat { order: 2; margin-left: auto; font-size: 0.625rem; padding: 0.2rem 0.6rem; }
  .timeline-item__header .timeline-item__chevron { order: 3; }
  .timeline-item__title { order: 4; flex-basis: 100%; font-size: var(--fs-lg); }

  /* Gallery: horizontal swipe carousel */
  .ti-gallery {
    display: flex;
    grid-template-columns: none;
    gap: 8px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }
  .ti-gallery__item { flex: 0 0 82%; scroll-snap-align: center; aspect-ratio: 16/10; }

  /* Lightbox: full width, arrows over image */
  .lightbox { padding: var(--s-2); }
  .lightbox__figure { max-width: 96vw; }
  .lightbox__img { max-height: 72vh; }
  .lightbox__nav--prev { left: 10px; }
  .lightbox__nav--next { right: 10px; }
}
@media (max-width: 480px) {
  .container { padding: 0 var(--s-2); }
  .btn-group { flex-direction: column; width: 100%; }
  .btn-group .btn { justify-content: center; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .cookie-toast {
    left: var(--s-2);
    right: var(--s-2);
    bottom: var(--s-2);
    max-width: none;
    flex-wrap: wrap;
  }
  .cookie-toast__btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}