/* ======================================================================
   NILGIRI · About page
   ====================================================================== */

/* Buttons */
.btn-glow {
  --mx: 0px;
  --my: 0px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: var(--grad-accent);
  color: #04111f;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  box-shadow: 0 12px 30px rgba(34, 211, 238, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.15);
  transform: translate(var(--mx), var(--my));
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease, filter 0.25s ease;
}
.btn-glow:hover {
  transform: translate(var(--mx), calc(var(--my) - 2px));
  box-shadow: 0 18px 40px rgba(34, 211, 238, 0.4);
  color: #04111f;
  filter: brightness(1.05);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 5rem 0 3rem;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 12, 22, 0.62), rgba(7, 12, 22, 0.78)),
    url("../images/abut_us_hero_bg.png") center/cover no-repeat;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 90%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}
.hero-orb--a { width: 500px; height: 500px; background: radial-gradient(circle, rgba(34, 211, 238, 0.5), transparent 70%); top: -150px; left: 10%; }
.hero-orb--b { width: 480px; height: 480px; background: radial-gradient(circle, rgba(59, 130, 246, 0.45), transparent 70%); top: -100px; right: 5%; }
.hero-orb--c { width: 380px; height: 380px; background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent 70%); bottom: -100px; left: 50%; transform: translateX(-50%); }

.hero-wrap {
  min-height: 380px;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 2rem 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 1rem;
  max-width: 940px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.2rem, 5.4vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 1rem 0 0.9rem;
  color: var(--text-100);
}

.hero-sub {
  margin: 0 auto;
  max-width: 720px;
  color: var(--text-70);
  font-size: clamp(0.98rem, 1.2vw, 1.1rem);
  line-height: 1.7;
}

/* ---------- Stats ---------- */
.stats-row {
  margin-top: 2.5rem;
  position: relative;
  z-index: 2;
}

.stat-card {
  background: var(--surface-0);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 1.4rem 1rem;
  text-align: center;
  backdrop-filter: blur(12px);
  height: 100%;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.4);
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}
.stat-num span { font-size: 0.7em;  }

.stat-label {
  margin-top: 0.45rem;
  color: var(--text-70);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Section primitives ---------- */
.section-pad { padding: 4.5rem 0; }

.section-head { margin-bottom: 2rem; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0.6rem 0 0.8rem;
  color: var(--text-100);
}

.copy {
  color: var(--text-70);
  line-height: 1.75;
  font-size: 0.98rem;
}

/* ---------- Glass card ---------- */
.glass-card {
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border-1);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  border: 2px solid rgb(59, 130, 246);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 300px at 100% 0%, rgba(34, 211, 238, 0.08), transparent 60%);
  pointer-events: none;
}

.glass-card > * { position: relative; }

/* ---------- Journey cards ---------- */
.journey-card {
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border-1);
  border-radius: var(--r-lg);
  padding: 2rem;
  height: 100%;
  transition: transform 0.3s ease, border-color 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.journey-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 250px at 100% 0%, rgba(34, 211, 238, 0.06), transparent 60%);
  pointer-events: none;
}

.journey-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.3);
}

.journey-card > * { position: relative; }

.journey-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--accent-1);
  background: var(--grad-accent-soft);
  border: 1px solid var(--border-1);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

/* ---------- Promise list ---------- */
.promise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.promise-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--surface-0);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 1.25rem 1.4rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.25s ease;
}

.promise-item:hover { border-color: rgba(34, 211, 238, 0.3); }

.promise-ic {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad-accent-soft);
  color: var(--accent-1);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
  border: 1px solid var(--border-1);
}

.promise-item h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  color: var(--text-100);
}
.promise-item p {
  margin: 0;
  color: var(--text-90);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---------- Models grid ---------- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.model-box {
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 1.6rem 1.4rem;
  min-height: 180px;
  color: var(--text-90);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.model-box:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.3);
}

.model-index {
  font-family: var(--font-display);
  color: var(--accent-1);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
  display: inline-block;
  padding: 0.3rem 0.6rem;
  background: var(--grad-accent-soft);
  border-radius: 8px;
}

.model-box h4 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-100);
}

.model-box p {
  margin: 0;
  color: var(--text-70);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-lg);
  padding: 3rem 2.4rem;
  background: linear-gradient(140deg, #08111d 0%, #0d1a2e 60%, #06101c 100%);
  border: 1px solid var(--border-1);
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.cta-bg .cta-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.3), transparent 65%);
  filter: blur(60px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta-band h4 {
  margin: 1rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  color: var(--text-100);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.cta-band p {
  margin: 0 0 1.5rem;
  color: var(--text-70);
  font-size: 1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .hero-wrap { min-height: auto; }
  .stats-row { margin-top: 2rem; }
  .models-grid { grid-template-columns: 1fr; }
  .glass-card { padding: 1.8rem; }
  .cta-band { padding: 2.2rem 1.6rem; }
}

@media (max-width: 767px) {
  .section-pad { padding: 3rem 0; }
  .promise-item { padding: 1rem; }
}