/* =============================================================
   MODERN.CSS — Phase 2 layer
   Bitkub-inspired: glassmorphism, triangle motif, big numbers,
   sticky CTA, certification grid, office showcase
   ============================================================= */

/* ---- Triangle motif (echoes the logo) ---- */
.tri-motif {
  position: absolute;
  pointer-events: none;
  width: 0; height: 0;
  border-style: solid;
  opacity: 0.18;
  filter: blur(0.5px);
}
.tri-motif.t-orange { border-width: 0 90px 130px 0;  border-color: transparent var(--si-orange-bright) transparent transparent; }
.tri-motif.t-green  { border-width: 130px 90px 0 0;  border-color: var(--si-leaf) transparent transparent transparent; }
.tri-motif.t-navy   { border-width: 0 0 110px 110px; border-color: transparent transparent var(--si-sky) transparent; }
@keyframes tri-drift {
  0%,100% { transform: translateY(0)   rotate(0deg);   }
  50%     { transform: translateY(-18px) rotate(-3deg); }
}
.tri-motif.float { animation: tri-drift 11s var(--ease-in-out) infinite; }

/* ---- Glassmorphism cards ---- */
.glass {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow:
    0 6px 24px rgba(31, 72, 99, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.glass-dark {
  background: rgba(31, 72, 99, 0.55);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ---- Trust ribbon (under hero CTAs) ---- */
.trust-ribbon {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-6);
  margin-top: var(--sp-8);
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.05em;
}
.trust-ribbon .label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--si-orange-soft);
  font-weight: var(--fw-semibold);
}
.trust-ribbon .badge {
  font-family: var(--font-heading-en);
  font-weight: var(--fw-semibold);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* ---- Hero split layout ---- */
.hero-split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: var(--radius-xl);
}
.hero-visual::before {
  inset: -10%;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(245,181,96,0.35) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(63,184,122,0.35) 0%, transparent 55%);
  filter: blur(40px);
}
@media (max-width: 960px) {
  .hero-split { grid-template-columns: 1fr; gap: var(--sp-8); }
  .hero-visual { display: none; }
}

/* ---- Big number / animated counter ---- */
.big-number {
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--si-orange-soft) 0%, #FFD9A0 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.big-number.green {
  background: linear-gradient(135deg, var(--si-leaf) 0%, #A8EFC8 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---- Certifications grid ---- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cert-tile {
  background: #fff;
  padding: var(--sp-8) var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  text-align: center;
  transition: background var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  position: relative;
  min-height: 140px;
}
.cert-tile:hover {
  background: var(--si-cream);
  transform: translateY(-2px);
}
.cert-tile .cert-mark {
  font-family: var(--font-heading-en);
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  color: var(--si-navy);
}
.cert-tile .cert-sub {
  font-size: 0.7rem;
  color: var(--si-steel);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.cert-tile.featured {
  background: linear-gradient(135deg, var(--si-navy) 0%, var(--si-navy-deep) 100%);
}
.cert-tile.featured .cert-mark { color: #fff; }
.cert-tile.featured .cert-sub  { color: var(--si-orange-soft); }

/* SVG-based logo marks for certifications (no external assets needed) */
.cert-mark-svg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  margin-bottom: var(--sp-2);
  border-radius: var(--radius-md);
  font-family: var(--font-heading-en);
  font-weight: var(--fw-bold);
  font-size: 1.4rem;
  color: var(--si-navy);
  background: var(--si-mist);
}
.cert-mark-svg.dbd  { background: #1F4863; color: #fff; }
.cert-mark-svg.tgo  { background: #1F8A5C; color: #fff; }
.cert-mark-svg.verra{ background: #00A36C; color: #fff; }
.cert-mark-svg.gs   { background: #FFD400; color: #1F4863; }
.cert-mark-svg.sbti { background: #1A2A4A; color: #fff; }
.cert-mark-svg.iso  { background: #E07A1A; color: #fff; }
.cert-mark-svg.gri  { background: #1F4863; color: #fff; font-size: 0.85rem; }
.cert-mark-svg.tcfd { background: #5C7E96; color: #fff; font-size: 0.85rem; }
.cert-mark-svg.icvcm{ background: #1F8A5C; color: #fff; font-size: 0.85rem; }

/* ---- Office showcase ----
   Layout: text on the left, 3-image gallery on the right.
   Each tile preserves the source 4:3 aspect ratio (no crop).
*/
.office-showcase {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--sp-10);
  align-items: center;
}
.office-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.office-tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0E1F2D 0%, #1F4863 100%);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
}
.office-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;          /* matches the source 4:3 — no actual cropping */
  display: block;
  transition: transform 700ms var(--ease-out);
}
.office-tile:hover img { transform: scale(1.04); }
.office-tile::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 60%;
  background: linear-gradient(180deg, transparent 0%, rgba(11,28,40,0.7) 100%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  pointer-events: none;
}
.office-tile:hover::after { opacity: 1; }
.office-tile .caption {
  position: absolute;
  left: var(--sp-4); right: var(--sp-4); bottom: var(--sp-4);
  z-index: 2;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}
.office-tile:hover .caption { opacity: 1; transform: translateY(0); }

/* Featured tile (the HQ-at-dusk shot) — wider, spans both columns of the gallery.
   The 4:3 ratio still applies, so it shows the full image without crop. */
.office-tile.feature {
  grid-column: 1 / -1;
}

@media (max-width: 960px) {
  .office-showcase { grid-template-columns: 1fr; gap: var(--sp-8); }
}
@media (max-width: 520px) {
  .office-gallery { grid-template-columns: 1fr; }
  .office-tile.feature { grid-column: auto; }
}

/* ---- Sticky CTA bar (mobile) ---- */
.sticky-cta {
  display: none;
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 60;
  background: var(--si-navy);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 0.8rem 1rem;
  box-shadow: var(--shadow-xl);
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.sticky-cta .label {
  font-size: 0.8rem;
  font-weight: var(--fw-medium);
  flex: 1;
}
.sticky-cta a {
  background: var(--si-orange-bright);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (max-width: 720px) { .sticky-cta { display: flex; } }

/* ---- Card upgrades — soft glow on hover ---- */
.card.glow:hover {
  box-shadow: 0 18px 50px rgba(31, 72, 99, 0.14),
              0 0 0 1px rgba(224, 122, 26, 0.25);
}

/* ---- Section angled divider ---- */
.angle-divider {
  position: relative;
  height: 60px;
  margin-top: -60px;
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 60%, 100% 100%, 0 100%);
}
.angle-divider.flip {
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}

/* ---- Standards page card grid ---- */
.std-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: transform var(--dur-base), box-shadow var(--dur-base);
}
.std-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.std-name { font-size: 1.1rem; color: var(--si-navy); margin-bottom: .35rem; }
.std-tag {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--si-steel);
}

/* ---- Tilt effect on cards ---- */
.tilt {
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.tilt:hover {
  transform: translateY(-4px) rotate(-0.4deg);
  box-shadow: var(--shadow-lg);
}