/* ============================================
   PYXISLABS - Premium UI/UX Design System
   Version 2.0 - January 2026
   ============================================ */

/* ============================================
   CSS Variables (Premium Design Tokens)
   ============================================ */
:root {
  /* Brand Colors */
  --primary: #1e3a5a;
  --primary-light: #2563eb;
  --primary-lighter: #3b82f6;
  --accent: #ff6b35;
  --accent-light: #ff8c5a;
  --accent-glow: rgba(255, 107, 53, 0.5);

  /* Neutrals (Premium Dark Palette) */
  --dark-900: #0a0f1a;
  --dark-800: #0f172a;
  --dark-700: #1e293b;
  --dark-600: #334155;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --white: #ffffff;

  /* Semantic */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography - Premium Font Stack */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-mono: "SF Mono", "Fira Code", monospace;

  /* Font Sizes (Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);

  /* Spacing (8px Grid) */
  --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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows (Soft & Elevated) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 60px rgba(255, 107, 53, 0.3);
  --shadow-blue: 0 20px 40px rgba(37, 99, 235, 0.3);

  /* Transitions (Smooth & Premium) */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray-500);
  background: var(--white);
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

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

@media (min-width: 768px) {
  .section {
    padding: var(--space-32) 0;
  }
}

.section--dark {
  background: linear-gradient(180deg, var(--dark-800) 0%, var(--dark-900) 100%);
}

.section--alt {
  background: var(--gray-100);
}

.accent {
  color: var(--primary-lighter);
}
.accent-orange {
  color: var(--accent);
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark-800);
  letter-spacing: -0.02em;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 100%
  );
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section__badge--orange {
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-light) 100%
  );
}

.section__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.section__title--light {
  color: var(--white);
}

.section__lead {
  font-size: var(--text-lg);
  color: var(--gray-500);
  max-width: 700px;
  margin: 0 auto;
}

.section__lead--light {
  color: var(--gray-400);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.logo-svg {
  height: 28px;
  width: auto;
  transition: transform var(--duration-base) var(--ease-out);
}

.nav__logo:hover .logo-svg {
  transform: scale(1.02);
}

.logo-star {
  transition: filter var(--duration-base) var(--ease-out);
}

.nav__logo:hover .logo-star {
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.nav__menu {
  display: flex;
  align-items: center;
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-500);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-lighter);
  transition: width var(--duration-base) var(--ease-out);
}

.nav__link:hover {
  color: var(--dark-800);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link--cta {
  padding: var(--space-2) var(--space-5);
  background: var(--dark-800);
  color: var(--white) !important;
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-out);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.nav__toggle,
.nav__close {
  display: none;
  color: var(--dark-800);
  padding: var(--space-2);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-2xl);
    transition: right var(--duration-base) var(--ease-out);
    z-index: var(--z-modal);
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-6);
  }

  .nav__link {
    font-size: var(--text-lg);
  }

  .nav__toggle {
    display: flex;
  }

  .nav__close {
    display: flex;
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
  }
}

/* ============================================
   HERO SECTION (Premium Dark Design)
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--dark-900) 0%,
    var(--dark-800) 50%,
    var(--dark-700) 100%
  );
}

.hero__mesh {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(59, 130, 246, 0.15),
      transparent
    ),
    radial-gradient(
      ellipse 60% 40% at 80% 60%,
      rgba(255, 107, 53, 0.1),
      transparent
    );
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: glow-float 8s ease-in-out infinite;
}

.hero__glow--1 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.2);
  top: 10%;
  left: 10%;
}

.hero__glow--2 {
  width: 300px;
  height: 300px;
  background: rgba(255, 107, 53, 0.15);
  bottom: 20%;
  right: 15%;
  animation-delay: -4s;
}

@keyframes glow-float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.1);
  }
}

.hero__content {
  position: relative;
  text-align: center;
  padding-top: 100px;
  z-index: 1;
}

/* Étoile brillante */
.hero__star-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: var(--space-10);
}

.hero__star {
  width: 100px;
  height: 100px;
  animation: star-float 4s ease-in-out infinite;
}

@media (min-width: 768px) {
  .hero__star {
    width: 140px;
    height: 140px;
  }
}

@keyframes star-float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(3deg);
  }
}

.hero__star-shine {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: star-shine 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes star-shine {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* Logo principal hero */
.hero__logo-main {
  margin-bottom: var(--space-8);
}

.hero__logo-svg {
  width: 280px;
  height: auto;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero__logo-svg {
    width: 380px;
  }
}

@media (min-width: 1024px) {
  .hero__logo-svg {
    width: 450px;
  }
}

.hero__logo-star {
  animation: logo-star-glow 2s ease-in-out infinite;
}

@keyframes logo-star-glow {
  0%,
  100% {
    filter: drop-shadow(0 0 4px var(--accent-glow));
  }
  50% {
    filter: drop-shadow(0 0 12px var(--accent-glow));
  }
}

/* Tagline */
.hero__tagline {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--gray-400);
  margin-bottom: var(--space-4);
}

.hero__tagline em {
  font-style: italic;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero__tagline {
    font-size: var(--text-3xl);
  }
}

/* Subtitle */
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--gray-500);
  margin-bottom: var(--space-10);
}

/* CTA */
.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-16);
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
  }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-500);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gray-500), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    transform: scaleY(1);
    opacity: 1;
  }
  50% {
    transform: scaleY(0.5);
    opacity: 0.5;
  }
}

/* ============================================
   Buttons (Premium Design)
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(
    135deg,
    var(--primary-light) 0%,
    var(--primary-lighter) 100%
  );
  color: var(--white);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.4);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover {
  background: var(--white);
  color: var(--dark-800);
  border-color: var(--white);
}

.btn--full {
  width: 100%;
}

/* ============================================
   Cards (Glass Morphism)
   ============================================ */
.card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-out);
}

.card--glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
}

.card--glass:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-lighter);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 100%
  );
  color: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card__text {
  color: var(--gray-500);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about__grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Stats */
.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-10);
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 50%,
    #6366f1 100%
  );
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 60px rgba(30, 58, 90, 0.3);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 60%
  );
  animation: stats-shine 8s ease-in-out infinite;
}

@keyframes stats-shine {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(25%, 25%);
  }
}

.stat {
  text-align: center;
  color: var(--white);
  position: relative;
  z-index: 1;
  min-width: 140px;
}

.stat__number {
  display: inline-block;
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    rgba(255, 255, 255, 0.8) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.stat__suffix {
  font-size: var(--text-3xl);
  font-weight: 800;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    rgba(255, 255, 255, 0.8) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  opacity: 0.95;
  margin-top: var(--space-3);
  letter-spacing: 0.02em;
}

/* ============================================
   POLARIS Section
   ============================================ */
.features-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-base) var(--ease-out);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-size: var(--text-xl);
  color: var(--white);
  margin-bottom: var(--space-3);
}

.feature-card__text {
  color: var(--gray-400);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* POLARIS Highlights */
.polaris-highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-8) 0;
  margin-bottom: var(--space-12);
}

.polaris-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
}

.polaris-highlight:hover {
  background: rgba(255, 107, 53, 0.1);
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateY(-2px);
}

.polaris-highlight__icon {
  font-size: 1.25rem;
}

.polaris-highlight__text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-300);
}

/* POLARIS CTA */
.polaris-cta {
  text-align: center;
  padding: var(--space-10);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.polaris-cta h3 {
  font-size: var(--text-2xl);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.polaris-cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .polaris-cta__actions {
    flex-direction: row;
  }
}

/* ============================================
   Expertise Section
   ============================================ */
.tech-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tech-category {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-base) var(--ease-out);
}

.tech-category:hover {
  border-color: var(--primary-lighter);
  box-shadow: var(--shadow-lg);
}

.tech-category--highlight {
  background: linear-gradient(
    135deg,
    rgba(255, 107, 53, 0.05) 0%,
    rgba(255, 140, 90, 0.05) 100%
  );
  border-color: rgba(255, 107, 53, 0.2);
}

.tech-category__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tech-category__icon {
  font-size: 1.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  padding: var(--space-2) var(--space-3);
  background: var(--gray-100);
  color: var(--primary);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-fast) var(--ease-out);
}

.tech-tag:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tech-tag--ai {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent);
  border-color: rgba(255, 107, 53, 0.2);
}

.tech-tag--ai:hover {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

/* Domains */
.domains {
  margin-bottom: var(--space-16);
}

.domains__title {
  font-size: var(--text-xl);
  text-align: center;
  margin-bottom: var(--space-8);
}

.domains__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .domains__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.domain-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-out);
}

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

.domain-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.domain-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.domain-card__text {
  color: var(--gray-500);
  font-size: var(--text-sm);
}

/* Locations */
.locations__title {
  font-size: var(--text-xl);
  text-align: center;
  margin-bottom: var(--space-8);
}

.locations__grid {
  display: grid;
  gap: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .locations__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.location-card {
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(
    135deg,
    rgba(30, 58, 90, 0.05) 0%,
    rgba(37, 99, 235, 0.05) 100%
  );
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-out);
}

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

.location-card__flag {
  font-size: 3rem;
  margin-bottom: var(--space-3);
}

.location-card__country {
  font-size: var(--text-xl);
  color: var(--dark-800);
  margin-bottom: var(--space-1);
}

.location-card__city {
  font-size: var(--text-base);
  color: var(--primary-light);
  font-weight: 500;
}

.location-card__desc {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

/* ============================================
   Contact Section
   ============================================ */
.contact__grid {
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--white);
  color: var(--primary-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.contact__item h4 {
  font-size: var(--text-sm);
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.contact__item a,
.contact__item p {
  color: var(--dark-800);
  font-weight: 500;
  font-size: var(--text-sm);
}

.contact__item a:hover {
  color: var(--primary-light);
}

/* Form */
.contact__form {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

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

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dark-800);
  margin-bottom: var(--space-2);
}

.form__input {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--dark-800);
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-out);
}

.form__input:focus {
  outline: none;
  background: var(--white);
  border-color: var(--primary-lighter);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form__input::placeholder {
  color: var(--gray-400);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-12);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--dark-800);
  color: var(--gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  height: 24px;
  width: auto;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--gray-500);
}

.footer__nav h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: var(--gray-400);
  transition: color var(--duration-fast);
}

.footer__nav a:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--dark-700);
  text-align: center;
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__made {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.heart {
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background: var(--dark-800);
  color: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--duration-base) var(--ease-out);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
}

/* ============================================
   Animations (Scroll Reveal)
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.about__grid .card:nth-child(2) {
  transition-delay: 0.1s;
}
.about__grid .card:nth-child(3) {
  transition-delay: 0.2s;
}

.features-grid .feature-card:nth-child(2) {
  transition-delay: 0.1s;
}
.features-grid .feature-card:nth-child(3) {
  transition-delay: 0.2s;
}
.features-grid .feature-card:nth-child(4) {
  transition-delay: 0.15s;
}
.features-grid .feature-card:nth-child(5) {
  transition-delay: 0.25s;
}
.features-grid .feature-card:nth-child(6) {
  transition-delay: 0.3s;
}

.tech-grid .tech-category:nth-child(2) {
  transition-delay: 0.1s;
}
.tech-grid .tech-category:nth-child(3) {
  transition-delay: 0.2s;
}
.tech-grid .tech-category:nth-child(4) {
  transition-delay: 0.3s;
}

.domains__grid .domain-card:nth-child(2) {
  transition-delay: 0.1s;
}
.domains__grid .domain-card:nth-child(3) {
  transition-delay: 0.2s;
}

/* ============================================
   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;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .hero__scroll,
  .back-to-top,
  .nav__toggle,
  .btn {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .section {
    padding: 1.5rem 0;
    break-inside: avoid;
  }
}