/* ══════════════════════════════════════════════════════════════════════════
   SENTALON — Full Design System
   Dark Futuristic | Clash Display + Satoshi | Electric Indigo
   One word this site makes you feel: Capable.
═══════════════════════════════════════════════════════════════════════════ */

/* ── Fonts ──────────────────────────────────────────────────────────────── */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&display=swap');

/* ── Design Tokens ──────────────────────────────────────────────────────── */
:root {
  /* Colors */
  --color-bg:             #070709;
  --color-surface:        #0f0f12;
  --color-surface-raised: #16161c;
  --color-border:         rgba(255, 255, 255, 0.06);
  --color-border-bright:  rgba(255, 255, 255, 0.10);
  --color-text-primary:   #ededf0;
  --color-text-secondary: #888898;
  --color-text-muted:     #444450;
  --color-accent:         #5b4ae8;
  --color-accent-light:   #7c70f0;
  --color-accent-dim:     #3d30c0;
  --color-accent-glow:    rgba(91, 74, 232, 0.35);
  --color-accent-subtle:  rgba(91, 74, 232, 0.08);
  --color-cyan:           #06b6d4;
  --color-cyan-glow:      rgba(6, 182, 212, 0.2);

  /* Typography */
  --font-display: 'Clash Display', 'SF Pro Display', sans-serif;
  --font-body:    'Satoshi', 'SF Pro Text', sans-serif;

  /* Fluid Type Scale */
  --text-xs:   clamp(0.70rem,  1.4vw,  0.8125rem);
  --text-sm:   clamp(0.875rem, 1.8vw,  1rem);
  --text-base: clamp(1rem,     2vw,    1.125rem);
  --text-lg:   clamp(1.125rem, 2.5vw,  1.375rem);
  --text-xl:   clamp(1.375rem, 3vw,    1.875rem);
  --text-2xl:  clamp(1.875rem, 4vw,    2.75rem);
  --text-3xl:  clamp(2.25rem,  5.5vw,  4.5rem);
  --text-hero: clamp(3.5rem,   9.5vw,  8.5rem);

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Effects */
  --blur-glass:        blur(20px) saturate(180%);
  --radius-sm:         8px;
  --radius-md:         14px;
  --radius-lg:         22px;
  --radius-xl:         32px;
  --radius-full:       9999px;
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 380ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   650ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 580ms cubic-bezier(0.23, 1, 0.32, 1);
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: none; background: none; border: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ── Noise Texture Overlay ───────────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.28;
}

/* ── Container ──────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ── Custom Cursor ──────────────────────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  top: -8px;
  left: -8px;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  will-change: transform;
}

.cursor-ring {
  position: fixed;
  top: -24px;
  left: -24px;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(91, 74, 232, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, top 0.3s ease, left 0.3s ease;
}

.cursor-ring.hover {
  width: 64px;
  height: 64px;
  top: -32px;
  left: -32px;
  border-color: rgba(91, 74, 232, 0.7);
}

/* ── Navigation ─────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-6) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition:
    background var(--transition-smooth),
    backdrop-filter var(--transition-smooth),
    -webkit-backdrop-filter var(--transition-smooth),
    padding var(--transition-smooth),
    border-bottom var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(7, 7, 9, 0.88);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-8);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  background: linear-gradient(135deg, #ededf0 0%, #6a6a80 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-smooth);
}

.nav-logo:hover {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links > a,
.nav-dropdown > a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-links > a::after,
.nav-dropdown > a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-smooth);
}

.nav-links > a:hover { color: var(--color-text-primary); }
.nav-links > a:hover::after { width: 100%; }
.nav-dropdown > a:hover { color: var(--color-text-primary); }
.nav-dropdown:hover > a::after { width: 100%; }

.nav-links > a.nav-active { color: var(--color-text-primary); }
.nav-links > a.nav-active::after { width: 100%; }

/* Dropdown */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-chevron {
  font-size: 9px;
  transition: transform var(--transition-smooth);
  opacity: 0.6;
  display: inline-block;
}

.nav-dropdown:hover .nav-chevron { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  min-width: 210px;
  background: rgba(15, 15, 18, 0.97);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition:
    opacity var(--transition-smooth),
    transform var(--transition-smooth),
    visibility var(--transition-smooth);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-dropdown-menu a::after { display: none; }

.nav-dropdown-menu a:hover {
  color: var(--color-text-primary);
  background: var(--color-accent-subtle);
}

/* Nav CTA Button */
.btn-nav {
  padding: 10px var(--space-5) !important;
  font-size: var(--text-sm) !important;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 2px 0;
  z-index: 1002;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth), width var(--transition-smooth);
  transform-origin: left center;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(1px, -1px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(1px, 1px); }

/* Mobile Menu Full Screen */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(7, 7, 9, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.nav-mobile.open {
  opacity: 1;
  visibility: visible;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-secondary);
  opacity: 0;
  transform: translateY(24px);
  transition:
    color var(--transition-fast),
    opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-mobile.open a { opacity: 1; transform: translateY(0); }
.nav-mobile.open a:nth-child(1) { transition-delay: 60ms; }
.nav-mobile.open a:nth-child(2) { transition-delay: 110ms; }
.nav-mobile.open a:nth-child(3) { transition-delay: 160ms; }
.nav-mobile.open a:nth-child(4) { transition-delay: 210ms; }
.nav-mobile.open a:nth-child(5) { transition-delay: 260ms; }
.nav-mobile.open a:nth-child(6) { transition-delay: 310ms; }
.nav-mobile.open a:nth-child(7) { transition-delay: 360ms; }
.nav-mobile.open a:nth-child(8) { transition-delay: 410ms; }
.nav-mobile a:hover { color: var(--color-text-primary); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px var(--space-8);
  background: var(--color-accent);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: #fff;
  border: none;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--color-accent-glow), 0 0 0 4px rgba(91,74,232,0.12);
}

.btn-primary:hover::after { opacity: 1; }
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px var(--space-8);
  background: transparent;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  transition: border-color var(--transition-smooth), color var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: rgba(91, 74, 232, 0.5);
  color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(91, 74, 232, 0.12);
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-smooth);
}

.btn-primary:hover .btn-arrow,
.btn-secondary:hover .btn-arrow { transform: translateX(4px); }

/* ── Section Labels ──────────────────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ── Gradient Text ───────────────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, #ededf0 0%, var(--color-accent-light) 50%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glass ───────────────────────────────────────────────────────────────── */
.glass {
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
}

/* ── Animated Grid Background ────────────────────────────────────────────── */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  animation: grid-drift 28s linear infinite;
  pointer-events: none;
}

@keyframes grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 64px 64px; }
}

/* ── Animation System ────────────────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

[data-animate].is-visible { opacity: 1; transform: none; }

[data-animate="fade-left"]  { transform: translateX(-36px); opacity: 0; }
[data-animate="fade-right"] { transform: translateX(36px);  opacity: 0; }
[data-animate="scale-up"]   { transform: scale(0.93);       opacity: 0; }

[data-animate="fade-left"].is-visible,
[data-animate="fade-right"].is-visible,
[data-animate="scale-up"].is-visible { transform: none; opacity: 1; }

[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }

/* ── Sections ────────────────────────────────────────────────────────────── */
.section {
  padding: var(--space-32) 0;
  position: relative;
}

.section-sm { padding: var(--space-20) 0; }

.section-header { margin-bottom: var(--space-16); max-width: 680px; }
.section-header.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-header.centered .section-label { justify-content: center; }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 560px;
}

.section-header.centered .section-sub { margin-left: auto; margin-right: auto; }

/* ── Grids ───────────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* ── Hero Section (Home) ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 50% 45%, rgba(91, 74, 232, 0.10), transparent 70%),
    linear-gradient(to bottom, transparent 70%, var(--color-bg) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 160px 0 var(--space-32);
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-subtle);
  border: 1px solid rgba(91, 74, 232, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: badge-in 0.6s ease 0.2s forwards;
}

@keyframes badge-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: badge-pulse 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--color-accent-glow); }
  50%       { opacity: 0.6; box-shadow: 0 0 0 5px rgba(91, 74, 232, 0); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-8);
  max-width: 960px;
}

.hero-headline .line {
  display: block;
  overflow: hidden;
}

.hero-headline .word {
  display: inline-block;
  will-change: transform;
}

/* Words animate in via JS */
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.72;
  max-width: 540px;
  margin-bottom: var(--space-10);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-sub.revealed { opacity: 1; transform: none; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-actions.revealed { opacity: 1; transform: none; }

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  animation: scroll-indicator-in 0.6s ease 2s forwards;
}

@keyframes scroll-indicator-in {
  to { opacity: 1; }
}

.hero-scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scroll-breathe 2.2s ease-in-out infinite;
}

@keyframes scroll-breathe {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(1);   }
}

/* ── Page Hero (Inner Pages) ─────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: calc(var(--space-32) + 72px) 0 var(--space-20);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 25% 50%, rgba(91, 74, 232, 0.09), transparent 70%),
    radial-gradient(ellipse 40% 40% at 75% 40%, rgba(6, 182, 212, 0.05), transparent 70%);
  pointer-events: none;
}

.page-hero .grid-bg { opacity: 0.6; }

.page-hero-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-4);
}

.page-hero-label::before {
  content: '';
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-accent);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  max-width: 800px;
}

.page-hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.72;
  max-width: 580px;
  margin-bottom: var(--space-8);
}

/* ── Service Cards ───────────────────────────────────────────────────────── */
.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-smooth),
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-accent), transparent 55%, var(--color-cyan) 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: -1;
}

.service-card:hover {
  border-color: transparent;
  transform: translateY(-5px);
  box-shadow:
    0 4px 10px rgba(0,0,0,0.25),
    0 20px 50px rgba(0,0,0,0.30),
    0 0 50px rgba(91, 74, 232, 0.07);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 50px;
  height: 50px;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(91, 74, 232, 0.18);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-accent-light);
  transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: rgba(91, 74, 232, 0.14);
  border-color: rgba(91, 74, 232, 0.35);
}

.service-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.015em;
}

.service-card-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-light);
  transition: gap var(--transition-smooth), color var(--transition-fast);
}

.service-card-link:hover { gap: var(--space-3); color: var(--color-text-primary); }

/* ── Stats Grid ──────────────────────────────────────────────────────────── */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-cell {
  background: var(--color-surface);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: background var(--transition-smooth);
}

.stat-cell:hover { background: var(--color-surface-raised); }

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.stat-suffix {
  color: var(--color-accent-light);
  font-size: 60%;
  vertical-align: baseline;
  margin-left: 2px;
}

.stat-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Why Sentalon ────────────────────────────────────────────────────────── */
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.why-visual {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.why-visual-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 30% 40%, rgba(91, 74, 232, 0.18), transparent),
    radial-gradient(ellipse 50% 50% at 75% 70%, rgba(6, 182, 212, 0.10), transparent);
}

.why-glass-panel {
  position: absolute;
  padding: var(--space-5) var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
}

.why-panel-1 {
  top: 22%;
  left: 8%;
  right: 32%;
  animation: float-1 5s ease-in-out infinite;
}

.why-panel-2 {
  top: 52%;
  left: 28%;
  right: 6%;
  animation: float-2 6s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

@keyframes float-2 {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

.why-panel-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-1);
}

.why-panel-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.why-panel-sub {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.why-point {
  display: flex;
  gap: var(--space-4);
}

.why-point-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent-light);
  letter-spacing: 0.06em;
  padding-top: 4px;
  min-width: 28px;
}

.why-point-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.why-point-text p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ── Testimonials ────────────────────────────────────────────────────────── */
.testimonial-card {
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-smooth), background var(--transition-smooth);
}

.testimonial-card:hover {
  border-color: rgba(91, 74, 232, 0.22);
  background: rgba(91, 74, 232, 0.03);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-5);
  font-size: 14px;
}

.testimonial-quote {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.78;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Marquee ─────────────────────────────────────────────────────────────── */
.marquee-wrap {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.marquee-track {
  display: inline-flex;
  gap: var(--space-10);
  animation: marquee-scroll 34s linear infinite;
  white-space: nowrap;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.marquee-dot { width: 4px; height: 4px; background: var(--color-accent); border-radius: 50%; flex-shrink: 0; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── CTA Section ─────────────────────────────────────────────────────────── */
.cta-section { padding: var(--space-20) 0 var(--space-32); }

.cta-inner {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-xl);
  padding: var(--space-20) var(--space-16);
  text-align: center;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 350px;
  background: radial-gradient(ellipse, rgba(91, 74, 232, 0.12), transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  position: relative;
}

.cta-sub {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
  position: relative;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
}

.cta-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  position: relative;
}

/* ── Process Steps ───────────────────────────────────────────────────────── */
.process-track {
  position: relative;
  padding-left: 80px;
}

.process-track::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-border) 100%);
}

.process-step {
  position: relative;
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6) 0;
}

.step-num {
  position: absolute;
  left: -80px;
  top: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent-light);
  transition: background var(--transition-smooth), border-color var(--transition-smooth);
  z-index: 1;
}

.process-step:hover .step-num {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

.step-body { flex: 1; }

.step-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.step-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.75;
}

/* ── Feature List ────────────────────────────────────────────────────────── */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.feature-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(91, 74, 232, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 9px;
  color: var(--color-accent-light);
}

/* ── Values/Pillars Grid ─────────────────────────────────────────────────── */
.value-item {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.value-num {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-border-bright);
  margin-bottom: var(--space-4);
}

.value-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.value-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ── About Layout ────────────────────────────────────────────────────────── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.about-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 70% 60% at 35% 45%, rgba(91, 74, 232, 0.18), transparent),
    radial-gradient(ellipse 50% 50% at 70% 65%, rgba(6, 182, 212, 0.10), transparent);
}

.about-big-text {
  font-family: var(--font-display);
  font-size: clamp(6rem, 14vw, 11rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(91, 74, 232, 0.28);
  letter-spacing: -0.06em;
  line-height: 1;
  user-select: none;
}

/* ── Contact ─────────────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.contact-info-text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-detail-icon {
  width: 38px;
  height: 38px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
  flex-shrink: 0;
  font-size: 16px;
}

.contact-detail-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-detail-value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.next-steps-box {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.next-steps-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.next-step {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.next-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(91, 74, 232, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-accent-light);
  flex-shrink: 0;
  margin-top: 1px;
}

/* Form */
.form-card {
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
}

.form-group { margin-bottom: var(--space-5); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px var(--space-4);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  outline: none;
  appearance: none;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  background: rgba(91, 74, 232, 0.04);
  box-shadow: 0 0 0 3px rgba(91, 74, 232, 0.10);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23888898' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 42px;
}

.form-select option {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-20) 0 var(--space-10);
  background: var(--color-bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: 5px 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--color-text-primary); }

.footer-col p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-2);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

/* ── Diagonal Divider ────────────────────────────────────────────────────── */
.section-clip {
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

/* ── SVG Icons ───────────────────────────────────────────────────────────── */
.icon {
  display: inline-block;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ── Highlight Block ─────────────────────────────────────────────────────── */
.highlight-block {
  padding: var(--space-8);
  background: var(--color-accent-subtle);
  border: 1px solid rgba(91, 74, 232, 0.18);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.highlight-block p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.highlight-block strong { color: var(--color-text-primary); }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1280px) {
  .container { padding: 0 var(--space-6); }
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .why-layout { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }

  .nav-links { display: none; }
  .btn-nav { display: none !important; }
  .nav-toggle { display: flex; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: var(--space-20) 0; }
  .section-sm { padding: var(--space-12) 0; }
  .form-row { grid-template-columns: 1fr; }
  .cta-inner { padding: var(--space-12) var(--space-6); }
  .form-card { padding: var(--space-6); }
  .container { padding: 0 var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
  .process-track { padding-left: 64px; }
  .process-track::before { left: 20px; }
  .step-num { left: -64px; width: 40px; height: 40px; font-size: var(--text-xs); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: calc(var(--space-24) + 60px) 0 var(--space-12); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .cta-actions { flex-direction: column; align-items: center; }
  .stats-strip { grid-template-columns: 1fr; }
}

/* ── Mobile Cursor Off ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
  button { cursor: pointer; }
  a { cursor: pointer; }
}

/* ── Reduced Motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-animate] { opacity: 1; transform: none; }
  .hero-sub, .hero-actions { opacity: 1; transform: none; }
}

/* ── Utility ─────────────────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}