/* ============================================
   VERONA AI — Global Styles
   Premium design system inspired by Stripe
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-alt: #111118;
  --color-bg-card: #16161f;
  --color-bg-elevated: #1c1c28;
  --color-surface-glass: rgba(255, 255, 255, 0.04);
  --color-surface-glass-hover: rgba(255, 255, 255, 0.07);

  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.65);
  --color-text-tertiary: rgba(255, 255, 255, 0.4);
  --color-text-muted: rgba(255, 255, 255, 0.3);

  --color-accent: #0096ff;
  --color-accent-light: #00b4ff;
  --color-accent-glow: rgba(0, 150, 255, 0.35);
  --color-accent-rgb: 0, 150, 255;

  --color-gradient-1: #0096ff;
  --color-gradient-2: #00d4ff;
  --color-gradient-3: #ff6b6b;
  --color-gradient-4: #ffd93d;

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --space-6xl: 12rem;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: clamp(0.75rem, 1.5vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 1.8vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 2vw, 1.0625rem);
  --text-lg: clamp(1.0625rem, 2.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 3vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 4vw, 2rem);
  --text-3xl: clamp(1.75rem, 5vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 6vw, 3.75rem);
  --text-5xl: clamp(2.75rem, 8vw, 5rem);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 100px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 60px rgba(var(--color-accent-rgb), 0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;

  /* Layout */
  --nav-height: 72px;
  --container-max: 1200px;
  --container-wide: 1400px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul, ol { list-style: none; }

::selection {
  background: rgba(var(--color-accent-rgb), 0.3);
  color: #fff;
}

/* --- Container --- */
.container {
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.container--wide {
  width: min(100%, var(--container-wide));
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }

p + p { margin-top: 1em; }

.text-gradient {
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient--accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient--animated {
  background: linear-gradient(270deg, var(--color-gradient-1), var(--color-gradient-2), var(--color-gradient-3), var(--color-gradient-1));
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-light);
}

.label::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 20px rgba(var(--color-accent-rgb), 0.35);
}
.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2), 0 12px 40px rgba(var(--color-accent-rgb), 0.45);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  padding: 0.875rem 1.75rem;
  border: 1px solid var(--color-border-hover);
  color: var(--color-text);
}
.btn--ghost:hover {
  background: var(--color-surface-glass-hover);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-1px);
}

.btn--arrow::after {
  content: '→';
  transition: transform var(--duration-fast) var(--ease-out);
}
.btn--arrow:hover::after {
  transform: translateX(4px);
}

.btn--small {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-xs);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo svg {
  width: 32px;
  height: 32px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background var(--duration-fast);
  position: relative;
}

.nav__link:hover, .nav__link.active {
  color: var(--color-text);
  background: var(--color-surface-glass);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.nav__hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease-out);
}

.nav__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.nav__mobile.open a {
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile.open a:nth-child(1) { transition-delay: 100ms; }
.nav__mobile.open a:nth-child(2) { transition-delay: 150ms; }
.nav__mobile.open a:nth-child(3) { transition-delay: 200ms; }
.nav__mobile.open a:nth-child(4) { transition-delay: 250ms; }
.nav__mobile.open a:nth-child(5) { transition-delay: 300ms; }
.nav__mobile.open a:nth-child(6) { transition-delay: 350ms; }

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile { display: flex; }
}

/* --- Sections --- */
.section {
  padding-block: clamp(4rem, 10vw, 8rem);
  position: relative;
}

.section--hero {
  padding-top: calc(var(--nav-height) + clamp(4rem, 10vw, 8rem));
  padding-bottom: clamp(4rem, 10vw, 8rem);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header .label {
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-lg);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* --- Cards --- */
.card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--color-accent-rgb), 0.3), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.card:hover {
  background: var(--color-surface-glass-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(var(--color-accent-rgb), 0.06);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.15), rgba(var(--color-accent-rgb), 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-accent-light);
  font-size: 1.25rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

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

/* --- Grid --- */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .section--hero .container > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  .section--hero .container > div[style*="grid-template-columns"] > div:last-child img {
    max-height: 280px !important;
  }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --- Bento Grid --- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.bento__card {
  background: var(--color-bg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: background var(--duration-normal);
  position: relative;
  overflow: hidden;
}

.bento__card:hover {
  background: var(--color-bg-alt);
}

.bento__card--wide { grid-column: span 2; }
.bento__card--tall { grid-row: span 2; }

@media (max-width: 768px) {
  .bento { grid-template-columns: 1fr; }
  .bento__card--wide { grid-column: span 1; }
}

/* --- Hero Background Effects --- */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.5;
}

.hero-glow--1 {
  width: 600px;
  height: 600px;
  background: rgba(var(--color-accent-rgb), 0.25);
  top: -200px;
  right: -100px;
}

.hero-glow--2 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 255, 0.15);
  bottom: -100px;
  left: -100px;
}

.hero-glow--3 {
  width: 300px;
  height: 300px;
  background: rgba(255, 107, 107, 0.1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin-block: var(--space-xl);
}

/* --- Footer --- */
.footer {
  padding-block: clamp(3rem, 8vw, 6rem) var(--space-2xl);
  border-top: 1px solid var(--color-border);
  position: relative;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  margin-bottom: var(--space-4xl);
}

.footer__brand p {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.footer__link {
  display: block;
  padding-block: 0.375rem;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  transition: color var(--duration-fast);
}
.footer__link:hover { color: var(--color-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* --- Reveal Animations --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.95); }

[data-reveal].visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

[data-reveal-stagger].visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
[data-reveal-stagger].visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
[data-reveal-stagger].visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
[data-reveal-stagger].visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
[data-reveal-stagger].visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
[data-reveal-stagger].visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

/* --- Spotlight / Cursor Glow --- */
.spotlight {
  position: relative;
}

.spotlight::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--color-accent-rgb), 0.04), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* --- Noise Texture --- */
.noise::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

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

.marquee__track {
  display: flex;
  gap: clamp(2rem, 4vw, 4rem);
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.marquee__item {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
}

.marquee__item span {
  color: var(--color-accent);
  font-size: 0.5em;
}

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

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding-block: clamp(4rem, 10vw, 8rem);
  position: relative;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-accent-rgb), 0.12), transparent 70%);
  pointer-events: none;
}

/* --- Blog Card --- */
.blog-card {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.blog-card__image-gradient {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.2), rgba(0,212,255,0.15));
  position: relative;
}

.blog-card__image-gradient::after {
  content: attr(data-icon);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  opacity: 0.6;
}

.blog-card__body {
  padding: clamp(1.25rem, 2vw, 2rem);
}

.blog-card__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent-light);
  background: rgba(var(--color-accent-rgb), 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.blog-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.15);
}

.form-group textarea { resize: vertical; min-height: 140px; }

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

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-3xl);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -2.625rem;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.timeline__item h4 {
  margin-bottom: var(--space-sm);
}

/* --- Misc Utilities --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.inline-flex { display: inline-flex; }

/* --- Page transition --- */
.page-content {
  animation: pageEnter 0.6s var(--ease-out) both;
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Focus States --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* === Page-Specific Styles === */

/* -- Home Hero -- */
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__title {
  margin-bottom: var(--space-xl);
}

/* -- Hero Rotating Words -- */
.hero-rotate {
  display: inline-block;
  position: relative;
  height: 1.2em;
  overflow: hidden;
  vertical-align: bottom;
}

.hero-rotate__track {
  display: flex;
  flex-direction: column;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-rotate__word {
  display: block;
  height: 1.2em;
  line-height: 1.2;
  flex-shrink: 0;
  position: relative;
  opacity: 0;
  transform: translateY(8px);
  filter: blur(4px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s ease;
}

.hero-rotate__word.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.hero-rotate__word.exit-up {
  opacity: 0;
  transform: translateY(-8px);
  filter: blur(4px);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 640px;
  line-height: 1.6;
}

.hero__description {
  font-size: var(--text-base);
  color: var(--color-text-tertiary);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* -- Feature Steps -- */
.steps {
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.step:last-child { border-bottom: none; }

.step__number {
  counter-increment: step;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.2), rgba(var(--color-accent-rgb), 0.05));
  border: 1px solid rgba(var(--color-accent-rgb), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent-light);
  font-size: var(--text-lg);
}

.step__number::before {
  content: counter(step, decimal-leading-zero);
}

.step__content h4 { margin-bottom: var(--space-sm); }

/* -- About Values -- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 600px) {
  .values-grid { grid-template-columns: 1fr; }
}

.value-card {
  padding: var(--space-2xl);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.value-card:hover {
  background: var(--color-surface-glass-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.value-card__icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.value-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

/* -- Industries -- */
.industry-card {
  position: relative;
  overflow: hidden;
}

.industry-card__number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: rgba(var(--color-accent-rgb), 0.06);
  position: absolute;
  top: -8px;
  right: 8px;
  line-height: 1;
  pointer-events: none;
}

/* -- Contact -- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4rem);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

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

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(var(--color-accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

/* -- Animated Grid Background -- */
.grid-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.grid-bg::before {
  content: '';
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(500px) rotateX(60deg);
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 70%);
}

/* -- Floating Particles -- */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(var(--color-accent-rgb), 0.4);
  border-radius: 50%;
  animation: float var(--duration, 8s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  33% { transform: translate(var(--dx, 30px), var(--dy, -40px)) scale(1.5); opacity: 0.7; }
  66% { transform: translate(calc(var(--dx, 30px) * -0.5), calc(var(--dy, -40px) * 1.5)) scale(0.8); opacity: 0.4; }
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f8;
  --color-bg-card: #f0f0f3;
  --color-bg-elevated: #e8e8ec;
  --color-surface-glass: rgba(0, 0, 0, 0.03);
  --color-surface-glass-hover: rgba(0, 0, 0, 0.05);

  --color-text: #0a0a0f;
  --color-text-secondary: rgba(10, 10, 15, 0.65);
  --color-text-tertiary: rgba(10, 10, 15, 0.45);
  --color-text-muted: rgba(10, 10, 15, 0.3);

  --color-accent: #0096ff;
  --color-accent-light: #0078d4;
  --color-accent-glow: rgba(0, 150, 255, 0.2);

  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.15);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 60px rgba(var(--color-accent-rgb), 0.08);
}

/* Selection */
[data-theme="light"] ::selection {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: #0a0a0f;
}

/* Text gradient overrides */
[data-theme="light"] .text-gradient {
  background: linear-gradient(135deg, #0a0a0f 0%, rgba(10,10,15,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
[data-theme="light"] .nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="light"] .nav__mobile {
  background: rgba(255, 255, 255, 0.98);
}

/* Buttons */
[data-theme="light"] .btn--primary {
  box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 4px 20px rgba(var(--color-accent-rgb), 0.25);
}

[data-theme="light"] .btn--primary:hover {
  box-shadow: 0 4px 8px rgba(0,0,0,0.1), 0 12px 40px rgba(var(--color-accent-rgb), 0.3);
}

[data-theme="light"] .btn--ghost {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

[data-theme="light"] .btn--ghost:hover {
  background: var(--color-surface-glass-hover);
  border-color: rgba(0,0,0,0.2);
}

/* Cards */
[data-theme="light"] .card {
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .card:hover {
  box-shadow: var(--shadow-lg), 0 0 40px rgba(var(--color-accent-rgb), 0.04);
}

/* Bento */
[data-theme="light"] .bento {
  background: var(--color-border);
}

[data-theme="light"] .bento__card {
  background: var(--color-bg);
}

[data-theme="light"] .bento__card:hover {
  background: var(--color-bg-alt);
}

/* Hero glows — softer in light mode */
[data-theme="light"] .hero-glow--1 {
  background: rgba(var(--color-accent-rgb), 0.1);
  opacity: 0.6;
}

[data-theme="light"] .hero-glow--2 {
  background: rgba(0, 212, 255, 0.08);
  opacity: 0.5;
}

[data-theme="light"] .hero-glow--3 {
  background: rgba(255, 107, 107, 0.06);
  opacity: 0.4;
}

/* Grid background */
[data-theme="light"] .grid-bg::before {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

/* Particles */
[data-theme="light"] .particle {
  background: rgba(var(--color-accent-rgb), 0.25);
}

/* Spotlight */
[data-theme="light"].spotlight::before {
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--color-accent-rgb), 0.03), transparent 40%);
}

/* Noise — hide in light mode */
[data-theme="light"].noise::after {
  opacity: 0.15;
}

/* Marquee */
[data-theme="light"] .marquee__item {
  color: rgba(10,10,15,0.12);
}

/* Blog cards */
[data-theme="light"] .blog-card {
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .blog-card:hover {
  box-shadow: var(--shadow-lg);
}

[data-theme="light"] .blog-card__image {
  background: var(--color-bg-alt);
}

/* Form inputs */
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea,
[data-theme="light"] .form-group select {
  background: var(--color-bg);
  border-color: var(--color-border-hover);
}

[data-theme="light"] .form-group input::placeholder,
[data-theme="light"] .form-group textarea::placeholder {
  color: rgba(10,10,15,0.3);
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--color-bg); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }

/* Step number */
[data-theme="light"] .step__number {
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.12), rgba(var(--color-accent-rgb), 0.04));
  border-color: rgba(var(--color-accent-rgb), 0.2);
}

/* Value cards */
[data-theme="light"] .value-card {
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .value-card:hover {
  box-shadow: var(--shadow-md);
}

/* Industry card numbers */
[data-theme="light"] .industry-card__number {
  color: rgba(var(--color-accent-rgb), 0.08);
}

/* Contact info icon */
[data-theme="light"] .contact-info__icon {
  background: rgba(var(--color-accent-rgb), 0.08);
}

/* CTA section glow */
[data-theme="light"] .cta-section__bg {
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-accent-rgb), 0.06), transparent 70%);
}

/* Label dot glow */
[data-theme="light"] .label::before {
  box-shadow: 0 0 12px rgba(var(--color-accent-rgb), 0.2);
}

/* Card icon bg */
[data-theme="light"] .card__icon {
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.1), rgba(var(--color-accent-rgb), 0.04));
}

/* Timeline */
[data-theme="light"] .timeline__item::before {
  box-shadow: 0 0 16px rgba(var(--color-accent-rgb), 0.2);
}

/* Blog tag */
[data-theme="light"] .blog-card__tag {
  background: rgba(var(--color-accent-rgb), 0.08);
  color: var(--color-accent);
}