/* Testcal — Testal IT Solutions — Design system & themes */
:root {
  /* Site-wide: same family as hero title (Syne) for consistent proportions */
  --font-sans: "Syne", system-ui, sans-serif;
  --font-display: "Syne", system-ui, sans-serif;
  --bs-body-font-family: var(--font-sans);
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
  --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  --glass-blur: 18px;
  --border-flow-speed: 4s;
}

[data-theme="dark"] {
  --bg-base: #070a0f;
  --bg-elevated: #0d1219;
  --bg-card: rgba(18, 26, 38, 0.55);
  --text-primary: #f2f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.15);
  --accent-2: #a78bfa;
  --glow: rgba(34, 211, 238, 0.35);
  --border-subtle: rgba(148, 163, 184, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  --hero-mesh-1: #0c4a6e;
  --hero-mesh-2: #312e81;
  --hero-mesh-3: #0f172a;
}

[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.72);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #0891b2;
  --accent-dim: rgba(8, 145, 178, 0.12);
  --accent-2: #7c3aed;
  --glow: rgba(8, 145, 178, 0.25);
  --border-subtle: rgba(15, 23, 42, 0.08);
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
  --hero-mesh-1: #7dd3fc;
  --hero-mesh-2: #c4b5fd;
  --hero-mesh-3: #e2e8f0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-synthesis: none;
  letter-spacing: -0.02em;
  background: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

body.cursor-glow::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(
    600px circle at var(--cursor-x, 50%) var(--cursor-y, 50%),
    var(--accent-dim) 0%,
    transparent 45%
  );
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.min-vh-75 {
  min-height: 75vh;
}

/* Typography — headings use same family with display weight */
.font-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.display-hero {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.05;
}

/* Same family/weight as hero title, sized for section headings */
.display-section {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.08;
}

.lead-lg {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Navbar glass */
.navbar-glass {
  background: var(--bg-card) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), border-color var(--transition);
}

.navbar-brand span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0.75rem !important;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary) !important;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.25rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Theme toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color var(--transition), box-shadow var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 0 24px var(--glow);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  left: 50%;
  top: 50%;
  transition: opacity 0.3s, transform 0.3s;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

[data-theme="dark"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

/* Flow border card — gradient sweep once via .flow-border--play (JS); hover stays on inner */
.flow-border {
  position: relative;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(
    135deg,
    transparent 20%,
    var(--accent) 40%,
    var(--accent-2) 60%,
    transparent 80%
  );
  background-size: 300% 300%;
  background-position: 0% 50%;
}

.flow-border.flow-border--play {
  animation: flow-border-sweep var(--border-flow-speed) cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.flow-border.flow-border--nohover:hover .flow-border-inner {
  box-shadow: none;
  border-color: var(--border-subtle);
}

.flow-border-inner {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: calc(var(--radius) - 1px);
  border: 1px solid var(--border-subtle);
  height: 100%;
  transition: box-shadow var(--transition), border-color 0.35s ease;
}

.flow-border:hover .flow-border-inner {
  box-shadow: var(--shadow), 0 0 40px var(--glow);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border-subtle));
}

@keyframes flow-border-sweep {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

/* Glass panel */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

/* Hero */
.hero-wrap {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(
      ellipse 80% 60% at 50% -20%,
      var(--hero-mesh-1) 0%,
      transparent 55%
    ),
    radial-gradient(ellipse 60% 50% at 100% 50%, var(--hero-mesh-2) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 80%, var(--hero-mesh-2) 0%, transparent 45%);
  opacity: 0.35;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(12px);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

/* Buttons */
.btn-accent {
  --bs-btn-color: #020617;
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: color-mix(in srgb, var(--accent) 88%, white);
  --bs-btn-hover-border-color: var(--accent);
  --bs-btn-active-bg: color-mix(in srgb, var(--accent) 80%, black);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}


.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--glow);
}

.btn-outline-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), transform 0.2s ease, box-shadow 0.3s ease;
}

.btn-outline-glass:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-dim);
}

/* Stats strip */
.stat-number {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translate3d(0, 40px, 0);
  transition: opacity 0.9s var(--transition), transform 0.9s var(--transition);
}

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal.reveal-left {
  transform: translate3d(-50px, 40px, 0);
}

.reveal.reveal-left.visible {
  transform: translate3d(0, 0, 0);
}

.reveal.reveal-right {
  transform: translate3d(50px, 40px, 0);
}

.reveal.reveal-right.visible {
  transform: translate3d(0, 0, 0);
}

.reveal.reveal-scale {
  transform: translate3d(0, 40px, 0) scale(0.92);
}

.reveal.reveal-scale.visible {
  transform: translate3d(0, 0, 0) scale(1);
}

/* Stagger children */
.stagger-children > *:nth-child(1) {
  transition-delay: 0.05s;
}
.stagger-children > *:nth-child(2) {
  transition-delay: 0.12s;
}
.stagger-children > *:nth-child(3) {
  transition-delay: 0.19s;
}
.stagger-children > *:nth-child(4) {
  transition-delay: 0.26s;
}
.stagger-children > *:nth-child(5) {
  transition-delay: 0.33s;
}
.stagger-children > *:nth-child(6) {
  transition-delay: 0.4s;
}

/* Section */
.section-py {
  padding-top: clamp(4rem, 10vw, 7rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

/* Service icon */
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Magnetic tilt wrapper */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out;
  will-change: transform;
}

/* Footer */
.footer-glass {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: 3rem 0 2rem;
}

.footer-heading {
  color: var(--text-secondary);
  letter-spacing: 0.14em;
}

.footer-copy {
  color: var(--text-secondary);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent);
}

/* Contact form */
.form-control-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control-glass:focus {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control-glass::placeholder {
  color: var(--text-muted);
}

/* About timeline */
.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.5rem;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2), transparent);
  border-radius: 2px;
}

.timeline-item:last-child::before {
  bottom: auto;
  height: 1rem;
}

.timeline-dot {
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--glow);
}

/* Page header (inner pages) */
.page-hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 4rem;
  overflow: hidden;
  min-height: 22rem;
}

.page-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
  pointer-events: none;
}

/* Text selection */
::selection {
  background: var(--accent-dim);
  color: var(--text-primary);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .reveal.reveal-left,
  .reveal.reveal-right,
  .reveal.reveal-scale,
  .reveal.visible,
  .reveal.reveal-left.visible,
  .reveal.reveal-right.visible,
  .reveal.reveal-scale.visible {
    opacity: 1 !important;
    transform: none !important;
  }
}