/* ============================================================
   HOME page
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 0 90px;
  overflow: hidden;
}

/* Background atmosphere */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 72% 30%, rgba(0, 208, 240, 0.13), transparent 70%),
    radial-gradient(ellipse 40% 55% at 12% 78%, rgba(0, 100, 180, 0.12), transparent 70%);
}
/* Grid lines */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 160, 220, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 220, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 40%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 40%, black 30%, transparent 78%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(var(--max-w), 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid rgba(0, 208, 240, 0.25);
  padding: 9px 18px;
  border-radius: 999px;
  margin-bottom: 32px;
}
.hero__eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 78px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span {
  display: block;
  transform: translateY(110%);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero__title .line:nth-child(2) > span { animation-delay: 0.12s; color: var(--cyan); }
.hero__title .line:nth-child(3) > span { animation-delay: 0.24s; }
@keyframes rise {
  to { transform: none; }
}

.hero__desc {
  color: var(--ink-dim);
  font-size: 18px;
  max-width: 540px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Hero visual: stacked cards with cyan photo */
.hero__visual {
  position: relative;
  height: 560px;
}
.hero__card {
  position: absolute;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(0, 208, 240, 0.06);
  animation: hero-card-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero__card--main {
  width: 78%;
  height: 70%;
  top: 4%;
  right: 0;
  animation-delay: 0.35s;
}
.hero__card--sub {
  width: 52%;
  height: 40%;
  bottom: 8%;
  left: 0;
  animation-delay: 0.55s;
}
.hero__card img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.1);
}
.hero__card--sub img { filter: grayscale(1) contrast(1.05); }
.hero__card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0,208,240,0.12), transparent 45%, rgba(6,14,32,0.5));
}
@keyframes hero-card-in {
  from { opacity: 0; transform: translateY(46px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

/* Floating telemetry chip on visual */
.hero__stat {
  position: absolute;
  top: 40%;
  left: 6%;
  z-index: 2;
  padding: 14px 20px;
  background: rgba(11, 19, 38, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  animation: hero-card-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both;
}
.hero__stat .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.hero__stat .value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
}
.hero__stat .value small { font-size: 13px; color: var(--ink-dim); font-weight: 400; }

/* Hero bottom metrics strip */
.hero__metrics {
  position: relative;
  z-index: 1;
  width: min(var(--max-w), 92%);
  margin: 72px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  animation: hero-card-in 1s ease 1s both;
}
.hero__metrics .metric {
  padding: 28px 8px 0;
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.hero__metrics .metric:first-child { border-left: none; padding-left: 0; }
.metric__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.metric__value {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
}
.metric__value em { font-style: normal; color: var(--cyan); }

/* ---------- Marquee strip ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-0);
  padding: 20px 0;
  overflow: hidden;
}
.marquee__track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee__track span {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}
.marquee__track span::after {
  content: "//";
  color: var(--cyan);
  margin-left: 64px;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Core expertise ---------- */
.expertise__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.exp-card {
  position: relative;
  padding: 38px 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(150deg, var(--bg-2), var(--bg-1) 65%);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.exp-card::before {
  content: "";
  position: absolute;
  top: 0; left: 34px;
  width: 46px; height: 3px;
  background: var(--cyan);
  border-radius: 0 0 3px 3px;
  opacity: 0.85;
}
.exp-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 120%, rgba(0, 208, 240, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.exp-card:hover {
  border-color: rgba(0, 208, 240, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.exp-card:hover::after { opacity: 1; }

.exp-card--wide { grid-column: span 6; }
.exp-card--tall { grid-column: span 3; }

.exp-card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  margin-bottom: 46px;
}
.exp-card h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.35;
}
.exp-card p {
  color: var(--ink-dim);
  font-size: 15px;
}

/* ---------- Performance ---------- */
.perf {
  background: var(--bg-0);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.perf__list { display: grid; gap: 0; }
.perf__row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 38px 10px;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s, padding-left 0.3s;
  cursor: default;
}
.perf__row:last-child { border-bottom: none; }
.perf__row:hover {
  background: rgba(0, 208, 240, 0.04);
  padding-left: 22px;
}
.perf__num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}
.perf__body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.perf__body p {
  color: var(--ink-dim);
  font-size: 15px;
  max-width: 640px;
}
.perf__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- CTA (moved to common.css: used on all pages) ---------- */

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .expertise__grid { grid-template-columns: 1fr 1fr; }
  .exp-card--wide, .exp-card--tall { grid-column: span 1; }
}
@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__visual { height: 380px; max-width: 520px; }
  .hero__metrics { grid-template-columns: 1fr; gap: 0; }
  .hero__metrics .metric { border-left: none; border-top: 1px solid var(--line); padding: 18px 0; }
  .hero__metrics .metric:first-child { border-top: none; }
  .perf__row { grid-template-columns: 56px 1fr; }
  .perf__tag { display: none; }
}
@media (max-width: 560px) {
  .expertise__grid { grid-template-columns: 1fr; }
  .hero__card--main { width: 86%; height: 62%; }
  .hero__card--sub { width: 58%; height: 36%; }
}