/* ============================================================
   VOİSCOPE — Corporate Website Styles
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:        #050b18;
  --c-bg-2:      #080f20;
  --c-bg-3:      #0d1630;
  --c-surface:   #111827;
  --c-surface-2: #1a2540;
  --c-border:    rgba(255,255,255,.07);
  --c-brand:     #e52222;
  --c-brand-d:   #c41b1b;
  --c-brand-g:   #ff4f4f;
  --c-primary:   #3b82f6;
  --c-primary-d: #2563eb;
  --c-primary-g: #60a5fa;
  --c-teal:      #14b8a6;
  --c-purple:    #8b5cf6;
  --c-orange:    #f59e0b;
  --c-green:     #10b981;
  --c-text:      #f0f4ff;
  --c-text-2:    #94a3b8;
  --c-text-3:    #64748b;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-head:   'Space Grotesk', 'Inter', sans-serif;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.5);
  --transition:  .25s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Utility ---------- */
.gradient-text {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section { padding: 20px 0; }
.section--dark { background: var(--c-bg-2); }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-brand);
  margin-bottom: 12px;
}
.section-label--light { color: var(--c-brand-g); }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--c-text);
  margin-bottom: 16px;
}
.section-title--light { color: #fff; }

.section-desc { color: var(--c-text-2); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-d) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(229,34,34,.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(229,34,34,.45);
}
.btn--ghost {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn--ghost:hover {
  border-color: rgba(255,255,255,.2);
  background: rgba(255,255,255,.04);
}
.btn--full { width: 100%; justify-content: center; }

/* ---------- Tags ---------- */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 500;
  background: rgba(59,130,246,.12);
  color: var(--c-primary-g);
  border: 1px solid rgba(59,130,246,.2);
}

/* ---------- Reveal Animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   HEADER
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(5,11,24,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav__logo-img {
  height: 36px;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 7px;
  padding: 4px 10px;
  border: 1.5px solid rgba(229,34,34,.25);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: var(--transition);
}
.nav__link:hover { color: var(--c-text); background: rgba(255,255,255,.05); }
.nav__link--cta {
  background: rgba(229,34,34,.12);
  color: var(--c-brand-g);
  border: 1px solid rgba(229,34,34,.28);
}
.nav__link--cta:hover {
  background: rgba(229,34,34,.22);
  color: #fff;
}

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  padding: 90px 0 20px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .18;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--c-primary), transparent 70%);
  top: -200px; right: -100px;
}
.hero__orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--c-teal), transparent 70%);
  bottom: -100px; left: 10%;
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: rgba(229,34,34,.1);
  border: 1px solid rgba(229,34,34,.3);
  color: var(--c-brand-g);
  margin-bottom: 28px;
}

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 24px;
}
.hero__title .gradient-text {
  background: linear-gradient(120deg, #a31111 0%, #e52222 30%, #ff5252 55%, #ff2d55 75%, #e52222 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGradientFlow 5s ease-in-out infinite;
}
@keyframes heroGradientFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--c-text-2);
  max-width: 580px;
  margin: 0 auto 25px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 28px 40px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat__num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1;
  margin-bottom: 4px;
}
.stat__label { font-size: .78rem; color: var(--c-text-3); font-weight: 500; letter-spacing: .02em; }
.stat__divider { width: 1px; height: 40px; background: var(--c-border); }


/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  background: var(--c-bg-3);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 28px 0;
}

.trust-strip__items {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-strip__divider {
  width: 1px;
  height: 40px;
  background: var(--c-border);
  flex-shrink: 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 200px;
}

.trust-item__icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: 9px;
  color: var(--c-primary);
}
.trust-item__icon svg { width: 18px; height: 18px; }

.trust-item > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.trust-item strong {
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-text);
}
.trust-item span {
  font-size: .75rem;
  color: var(--c-text-3);
  line-height: 1.45;
}

@media (max-width: 900px) {
  .trust-strip__divider { display: none; }
  .trust-strip__items { gap: 20px; }
  .trust-item { min-width: calc(50% - 12px); }
}

@media (max-width: 480px) {
  .trust-item { min-width: 100%; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  display: flex;
  justify-content: center;
}

.about__card-stack {
  position: relative;
  width: 300px;
  height: 300px;
}

.about__card {
  position: absolute;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  transition: var(--transition);
}
.about__card--main {
  inset: 50px 0 0 50px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--c-surface) 0%, var(--c-surface-2) 100%);
  box-shadow: var(--shadow);
}
.about__card--main .card-icon {
  width: 48px; height: 48px;
  color: var(--c-primary);
  flex-shrink: 0;
}
.about__card--main .card-icon svg { width: 100%; height: 100%; }
.about__card--main .card-body { display: flex; flex-direction: column; gap: 2px; }
.about__card--main strong { font-weight: 700; font-size: 1rem; }
.about__card--main span { font-size: .8rem; color: var(--c-text-2); }

.about__card--secondary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: .85rem;
  font-weight: 600;
}
.about__card--left { top: 20px; left: 0; }
.about__card--right { bottom: 20px; right: 0; }

.card-dot { width: 8px; height: 8px; border-radius: 50%; }
.card-dot--green { background: var(--c-green); box-shadow: 0 0 8px var(--c-green); }
.card-dot--blue { background: var(--c-primary); box-shadow: 0 0 8px var(--c-primary); }

.about__text p { color: var(--c-text-2); margin-bottom: 16px; }
.about__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

/* ============================================================
   SOLUTIONS
   ============================================================ */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.sol-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.sol-card:hover {
  border-color: rgba(59,130,246,.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.35);
}

.sol-card__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sol-card__icon svg { width: 28px; height: 28px; }
.sol-card__icon--blue   { background: rgba(59,130,246,.12);  color: var(--c-primary);  border: 1px solid rgba(59,130,246,.2); }
.sol-card__icon--purple { background: rgba(139,92,246,.12);  color: var(--c-purple);   border: 1px solid rgba(139,92,246,.2); }
.sol-card__icon--teal   { background: rgba(20,184,166,.12);  color: var(--c-teal);     border: 1px solid rgba(20,184,166,.2); }
.sol-card__icon--orange { background: rgba(245,158,11,.12);  color: var(--c-orange);   border: 1px solid rgba(245,158,11,.2); }
.sol-card__icon--green  { background: rgba(16,185,129,.12);  color: var(--c-green);    border: 1px solid rgba(16,185,129,.2); }

.sol-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.sol-card p { color: var(--c-text-2); font-size: .9rem; margin-bottom: 20px; line-height: 1.65; }

.sol-card__features { display: flex; flex-direction: column; gap: 7px; }
.sol-card__features li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .82rem;
  color: var(--c-text-3);
}
.sol-card__features li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--c-primary);
  flex-shrink: 0;
}

/* ---------- Solution section divider label ---------- */
.sol-section-label {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 56px 0 32px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-brand);
}
.sol-section-label--sub { margin-top: 48px; }
.sol-section-label__line {
  flex: 1;
  height: 1px;
  background: var(--c-border);
}

/* ---------- Featured solution grid ---------- */
.solutions__grid--featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 0;
}

/* ---------- Featured card ---------- */
.sol-card--featured {
  border-color: rgba(59,130,246,.18);
  background: linear-gradient(160deg, var(--c-surface) 0%, var(--c-surface-2) 100%);
  position: relative;
  overflow: hidden;
}
.sol-card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-brand), transparent);
  opacity: .7;
}
.sol-card--featured:hover {
  border-color: rgba(59,130,246,.4);
  box-shadow: 0 20px 60px rgba(0,0,0,.45), 0 0 40px rgba(59,130,246,.08);
}

.sol-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

/* Badges */
.sol-card__badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}
.sol-card__badge--ai {
  background: rgba(20,184,166,.12);
  color: var(--c-teal);
  border: 1px solid rgba(20,184,166,.25);
}
.sol-card__badge--blue {
  background: rgba(59,130,246,.12);
  color: var(--c-primary-g);
  border: 1px solid rgba(59,130,246,.25);
}

/* Pills */
.sol-card__pillgroup {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 20px;
}
.sol-pill {
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
}
.sol-pill--teal   { background: rgba(20,184,166,.1);  color: var(--c-teal);   border: 1px solid rgba(20,184,166,.2); }
.sol-pill--purple { background: rgba(139,92,246,.1);  color: var(--c-purple); border: 1px solid rgba(139,92,246,.2); }
.sol-pill--blue   { background: rgba(59,130,246,.1);  color: var(--c-primary-g); border: 1px solid rgba(59,130,246,.2); }

/* 2-column feature list inside featured cards */
.sol-card__features--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

/* Move icon to header row for featured cards */
.sol-card--featured .sol-card__icon {
  margin-bottom: 0;
}

/* Platform grid inside solutions section */
.pf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}
.pf-grid__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}
.pf-grid__item:hover {
  border-color: rgba(59,130,246,.2);
  background: rgba(59,130,246,.03);
}
.pf-grid__item .pf-item__icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,.1);
  border-radius: 9px;
  color: var(--c-primary);
  margin-top: 2px;
}
.pf-grid__item .pf-item__icon svg { width: 18px; height: 18px; }
.pf-grid__item .pf-item__text h4 { font-weight: 700; font-size: .9rem; margin-bottom: 4px; }
.pf-grid__item .pf-item__text p { font-size: .82rem; color: var(--c-text-2); line-height: 1.6; }

@media (max-width: 900px) { .pf-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pf-grid { grid-template-columns: 1fr; } }

/* ============================================================
   PLATFORM
   ============================================================ */
.platform__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.pf-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-border);
}
.pf-item:last-child { border-bottom: none; }
.pf-item__icon {
  width: 42px; height: 42px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,130,246,.1);
  border-radius: 10px;
  color: var(--c-primary);
  margin-top: 2px;
}
.pf-item__icon svg { width: 20px; height: 20px; }
.pf-item__text h4 { font-weight: 700; font-size: .95rem; margin-bottom: 4px; }
.pf-item__text p { font-size: .85rem; color: var(--c-text-2); line-height: 1.6; }

/* Platform Diagram */
.platform__diagram {
  position: relative;
  width: 360px;
  height: 360px;
  margin: 0 auto;
}

.pd-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  background: linear-gradient(135deg, var(--c-surface), var(--c-surface-2));
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  z-index: 2;
  box-shadow: 0 0 40px rgba(59,130,246,.15);
}
.pd-center__icon { width: 32px; height: 32px; color: var(--c-primary); }
.pd-center__icon svg { width: 100%; height: 100%; }
.pd-center span { font-size: .65rem; font-weight: 700; letter-spacing: .05em; color: var(--c-text-2); line-height: 1.4; }

.pd-nodes { position: absolute; inset: 0; }
.pd-node {
  position: absolute;
  top: 50%; left: 50%;
  width: 68px; height: 68px;
  background: var(--c-surface);
  border: 1px solid rgba(59,130,246,.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  color: var(--c-primary-g);
  letter-spacing: .02em;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translateX(140px)
    rotate(calc(-1 * var(--angle)));
  transition: var(--transition);
  cursor: default;
}
.pd-node:hover {
  background: rgba(59,130,246,.15);
  border-color: var(--c-primary);
  box-shadow: 0 0 20px rgba(59,130,246,.2);
}

/* Connecting lines (pseudo) */
.platform__diagram::before {
  content: '';
  position: absolute;
  inset: 34px;
  border: 1px dashed rgba(59,130,246,.12);
  border-radius: 50%;
  pointer-events: none;
}

/* ============================================================
   WHY
   ============================================================ */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.why-card {
  background: rgba(255,255,255,.02);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--transition), background var(--transition);
}
.why-card:hover {
  border-color: rgba(59,130,246,.2);
  background: rgba(59,130,246,.04);
}

.why-card__num {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 700;
  color: var(--c-brand);
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.why-card h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: .875rem; color: var(--c-text-2); line-height: 1.7; }

/* ============================================================
   REFERENCES
   ============================================================ */
.social-proof { background: var(--c-bg-2); }

.ref-intro {
  text-align: center;
  margin-top: 0;
  margin-bottom: 24px;
}
.ref-intro h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.ref-intro p {
  font-size: .95rem;
  color: var(--c-text-2);
}

.ref-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin: 0 0 40px;
  padding: 40px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(229,34,34,.15);
  border-radius: var(--radius-lg);
}

.ref-stat { text-align: center; }
.ref-stat__num {
  display: block;
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-g) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ref-stat__label {
  font-size: .82rem;
  color: var(--c-text-2);
  font-weight: 500;
  letter-spacing: .02em;
}
.ref-stat__divider {
  width: 1px;
  height: 56px;
  background: var(--c-border);
}

.ref-sectors {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.ref-sector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 12px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  text-align: center;
}
.ref-sector:hover {
  border-color: rgba(229,34,34,.2);
  background: rgba(229,34,34,.04);
  transform: translateY(-3px);
}
.ref-sector__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(229,34,34,.08);
  border: 1px solid rgba(229,34,34,.15);
  border-radius: 10px;
  color: var(--c-brand);
  flex-shrink: 0;
}
.ref-sector__icon svg { width: 18px; height: 18px; }
.ref-sector span {
  font-size: .78rem;
  font-weight: 600;
  color: var(--c-text-2);
  line-height: 1.35;
}

.ref-note {
  text-align: center;
  font-size: .85rem;
  color: var(--c-text-3);
  padding: 16px 24px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  border-left: 3px solid var(--c-brand);
  max-width: 560px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .ref-sectors { grid-template-columns: repeat(3, 1fr); }
  .ref-stats { gap: 24px; padding: 28px 20px; }
  .ref-stat__num { font-size: 2rem; }
  .ref-stat__divider { display: none; }
  .ref-stats { display: grid; grid-template-columns: repeat(2,1fr); justify-items: center; }
}
@media (max-width: 560px) {
  .ref-sectors { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

/* Contact CTA cards */
.contact__cta-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 36px;
}
.contact__cta-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color var(--transition);
}
.contact__cta-card:hover { border-color: var(--c-primary); }
.contact__cta-card:last-child:hover { border-color: var(--c-brand); }
.contact__cta-icon {
  width: 44px; height: 44px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  flex-shrink: 0;
}
.contact__cta-icon--partner {
  background: rgba(229,34,34,.08);
  border-color: rgba(229,34,34,.2);
  color: var(--c-brand);
}
.contact__cta-icon svg { width: 20px; height: 20px; }
.contact__cta-card > div { display: flex; flex-direction: column; gap: 5px; }
.contact__cta-card strong { font-weight: 600; font-size: .95rem; }
.contact__cta-card span { font-size: .84rem; color: var(--c-text-2); line-height: 1.55; }

.contact__details { display: flex; flex-direction: column; gap: 24px; }
.contact__detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact__detail-icon {
  width: 44px; height: 44px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  flex-shrink: 0;
}
.contact__detail-icon svg { width: 20px; height: 20px; }
.contact__detail > div { display: flex; flex-direction: column; gap: 3px; }
.contact__detail strong { font-weight: 600; font-size: .9rem; }
.contact__detail span { font-size: .875rem; color: var(--c-text-2); line-height: 1.55; }

/* Form */
.contact__form-wrap {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--c-text-2); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group select { appearance: none; cursor: pointer; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--c-text-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group textarea { resize: vertical; }

/* Purpose toggle */
.form-purpose {
  display: flex;
  gap: 10px;
}
.form-purpose__opt {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.form-purpose__opt input[type="radio"] { display: none; }
.form-purpose__opt:has(input:checked) {
  border-color: var(--c-primary);
  background: rgba(59,130,246,.1);
  color: var(--c-text);
}

/* Custom select */
.custom-select {
  position: relative;
  user-select: none;
}
.custom-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 11px 14px;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.custom-select.open .custom-select__trigger,
.custom-select__trigger:hover {
  border-color: rgba(255,255,255,.15);
}
.custom-select.open .custom-select__trigger {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.custom-select__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  flex: 1;
  min-height: 22px;
}
.custom-select__placeholder {
  font-size: .9rem;
  color: var(--c-text-3);
  line-height: 22px;
}
.cs-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px 2px 10px;
  background: rgba(59,130,246,.15);
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-primary-g);
  white-space: nowrap;
}
.cs-chip button {
  background: none;
  border: none;
  color: var(--c-primary-g);
  cursor: pointer;
  font-size: .95rem;
  line-height: 1;
  padding: 0;
  opacity: .7;
  transition: opacity var(--transition);
}
.cs-chip button:hover { opacity: 1; }
.custom-select__arrow {
  width: 16px;
  height: 16px;
  color: var(--c-text-3);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.custom-select.open .custom-select__arrow {
  transform: rotate(180deg);
}
.custom-select__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--c-surface-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 6px;
  z-index: 100;
  box-shadow: 0 12px 32px rgba(0,0,0,.5);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.custom-select.open .custom-select__dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.custom-select__dropdown li {
  padding: 9px 12px;
  font-size: .88rem;
  color: var(--c-text-2);
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.custom-select__dropdown li:hover {
  background: rgba(59,130,246,.12);
  color: var(--c-text);
}
.custom-select__dropdown li.selected {
  background: rgba(59,130,246,.15);
  color: var(--c-primary-g);
}

.form__success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(16,185,129,.1);
  border: 1px solid rgba(16,185,129,.25);
  border-radius: 8px;
  color: var(--c-green);
  font-size: .875rem;
  text-align: center;
}

.form__career-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: .82rem;
  color: var(--c-text-3);
  line-height: 1.6;
}
.form__career-note svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--c-text-3);
}
.form__career-note a {
  color: var(--c-text-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.form__career-note a:hover { color: var(--c-text); }
.form__career-note strong { color: var(--c-text-2); font-weight: 600; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-bg-3);
  border-top: 1px solid var(--c-border);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer__brand .nav__logo-img {
  height: 40px;
  padding: 5px 12px;
}
.footer__brand p {
  margin-top: 16px;
  font-size: .875rem;
  color: var(--c-text-2);
  line-height: 1.7;
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__col h5 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-text-3);
  margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-size: .875rem;
  color: var(--c-text-2);
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--c-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--c-border);
  font-size: .8rem;
  color: var(--c-text-3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__visual { order: -1; }
  .platform__layout { grid-template-columns: 1fr; gap: 48px; }
  .platform__visual { display: flex; justify-content: center; }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .solutions__grid--featured { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 20px 0; }
  .solutions__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .why__grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 20px; padding: 20px 24px; }
  .stat__divider { display: none; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: 28px 20px; }
  .platform__diagram { width: 280px; height: 280px; }
  .pd-node { transform: translate(-50%, -50%) rotate(var(--angle)) translateX(110px) rotate(calc(-1 * var(--angle))); }

  /* Mobile nav */
  .nav__links {
    position: fixed;
    inset: 68px 0 0 0;
    background: rgba(5,11,24,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__link { width: 100%; padding: 14px 16px; font-size: 1rem; }
  .nav__burger { display: flex; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .about__card-stack { width: 260px; height: 260px; }
  .about__card--main { inset: 40px 0 0 40px; }
}