:root {
  color-scheme: dark;
  background: #000;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: #000;
}

body {
  display: grid;
  place-items: center;
}

.mark {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 24px;
}

.mark img {
  display: block;
  width: min(34vw, 220px);
  min-width: 132px;
  height: auto;
}

/* ── Shared CTA Button ── */
.cta-btn {
  display: inline-block;
  padding: 16px 36px;
  background: hsl(200 80% 50%);
  color: hsl(220 14% 98%);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 8px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  letter-spacing: -0.01em;
  border: none;
  cursor: pointer;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px hsla(200 80% 50% / 0.35), 0 4px 12px rgba(0,0,0,0.4);
}

.cta-btn:active {
  transform: translateY(0);
}

/* ── Scroll Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for cards and grid items */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.25s; }
.stagger-3 { transition-delay: 0.4s; }
.stagger-4 { transition-delay: 0.55s; }
.stagger-5 { transition-delay: 0.7s; }
.stagger-6 { transition-delay: 0.85s; }

/* Hero fade-in on load */
.hero-fade {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Premium Section Divider ── */
.premium-divider {
  border-top: none;
  position: relative;
}

.premium-divider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  max-width: 480px;
  height: 1px;
  background: radial-gradient(ellipse at center, hsla(200 80% 50% / 0.25) 0%, transparent 70%);
}

/* ── Card Hover Effects ── */
.card-hover {
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.card-hover:hover {
  border-color: hsl(222 16% 20%);
  transform: translateY(-2px);
}

/* ── Hero Orb Animations ── */
@keyframes orbDrift1 {
  0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.6; }
  33%  { transform: translate(-45%, -55%) scale(1.15); opacity: 0.8; }
  66%  { transform: translate(-55%, -45%) scale(0.9);  opacity: 0.5; }
  100% { transform: translate(-48%, -52%) scale(1.1);  opacity: 0.7; }
}

@keyframes orbDrift2 {
  0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.5; }
  50%  { transform: translate(-40%, -60%) scale(1.2);  opacity: 0.7; }
  100% { transform: translate(-55%, -45%) scale(0.85); opacity: 0.4; }
}

@keyframes orbDrift3 {
  0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.4; }
  50%  { transform: translate(-60%, -40%) scale(1.3);  opacity: 0.6; }
  100% { transform: translate(-42%, -58%) scale(0.95); opacity: 0.3; }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  mix-blend-mode: screen;
  width: 200px;
  height: 200px;
  top: 35%;
  left: 40%;
  background: radial-gradient(circle, rgba(120, 180, 255, 0.06) 0%, transparent 60%);
  animation: orbDrift3 9s ease-in-out infinite alternate;
}

/* ── Pillar Crystallization ── */

/* Phase 1: Animated border using gradient mask */
.pillar-card {
  position: relative;
}

.pillar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 8px;
  padding: 1px;
  background: linear-gradient(135deg, hsla(200 80% 50% / 0.4), hsla(200 80% 50% / 0.1), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.6s ease 0.3s;
}

.pillar-card.revealed::before {
  opacity: 1;
}

/* Phase 2: Inner glow activation */
.pillar-card::after {
  content: '';
  position: absolute;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle at 30% 30%, hsla(200 80% 50% / 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.pillar-card.revealed::after {
  opacity: 1;
}

/* Phase 3: Header accent line */
.pillar-card h3 {
  position: relative;
  padding-bottom: 12px;
}

.pillar-card h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, hsla(200 80% 50% / 0.6), transparent);
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
}

.pillar-card.revealed h3::after {
  width: 48px;
}

/* Section header accent line */
.pillars-section h2 {
  position: relative;
  display: inline-block;
}

.pillars-section h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, hsla(200 80% 50% / 0.5), transparent);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.pillars-section.revealed h2::after {
  width: 80px;
}

/* ── Scroll Progress Bar ── */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  right: 0;
  width: 3px;
  height: 100vh;
  background: linear-gradient(to bottom, hsl(200 80% 50%), hsl(200 80% 40%));
  transform-origin: top;
  transform: scaleY(0);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
}

/* ── Pain Point Accent Bar ── */
.pain-point {
  position: relative;
  padding-left: 16px;
}

.pain-point::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: hsla(200 80% 50% / 0.4);
  transform: scaleY(var(--pain-scale, 0));
  transform-origin: top;
}

/* ── CTA Shimmer Sweep ── */
.cta-btn {
  position: relative;
  overflow: hidden;
}

.cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255,255,255,0.15) 50%,
    transparent 60%
  );
  transform: translateX(var(--shimmer-x, -100%));
  pointer-events: none;
}

/* ── FOUT Prevention for SplitType ── */
/* Title starts hidden, JS adds .split-ready on init.
   CSS-only failsafe: auto-reveal after 2s if JS never fires. */
@keyframes heroTitleFallback {
  to { visibility: visible; }
}

.hero-section h1 {
  visibility: hidden;
  animation: heroTitleFallback 0s 2s forwards;
}

.hero-section h1.split-ready {
  visibility: visible;
  animation: none;
}

/* ── Pillar Hue Shift Property ── */
@property --hue-shift {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.pillars-section {
  background: hsl(calc(220 + var(--hue-shift, 0deg)), 15%, 4%);
  transition: background 0.5s ease;
}

/* ── Breathing Divider Enhancement ── */
.premium-divider::before {
  opacity: var(--divider-opacity, 1);
}

/* ── Mobile: reduce animation intensity ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .hero-fade {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero-orb,
  .hero-section::before,
  .hero-section::after {
    animation: none !important;
  }
  .pillar-card::before,
  .pillar-card::after,
  .pillar-card h3::after,
  .pillars-section h2::after {
    transition: none;
  }
  .hero-section h1 {
    visibility: visible !important;
  }
  .scroll-progress-bar {
    display: none;
  }
  .pain-point::before {
    transform: scaleY(1);
    transition: none;
  }
  .roller-line {
    color: hsl(220 10% 92%) !important;
    transition: none !important;
  }
}

@media (max-width: 639px) {
  .reveal {
    transform: translateY(20px);
  }
  .stagger-1, .stagger-2, .stagger-3,
  .stagger-4, .stagger-5, .stagger-6 {
    transition-delay: 0s;
  }
  /* Reduce orb sizes and soften on mobile */
  .hero-orb {
    width: 120px;
    height: 120px;
    filter: blur(100px);
  }
}