/* ============================================
   Self-hosted Fonts (GDPR compliant)
   ============================================ */

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400.woff2') format('woff2'),
       url('../fonts/inter-400.ttf') format('truetype');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500.woff2') format('woff2'),
       url('../fonts/inter-500.ttf') format('truetype');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600.woff2') format('woff2'),
       url('../fonts/inter-600.ttf') format('truetype');
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter-700.woff2') format('woff2'),
       url('../fonts/inter-700.ttf') format('truetype');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jbmono-400.woff2') format('woff2'),
       url('../fonts/jbmono-400.ttf') format('truetype');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/jbmono-700.woff2') format('woff2'),
       url('../fonts/jbmono-700.ttf') format('truetype');
}

/* ============================================
   Design Tokens - Binary Burst
   ============================================ */

:root {
  /* Colors - Primary */
  --color-bg: #0a0a0f;
  --color-bg-light: #12121a;
  --color-bg-card: rgb(255 255 255 / 3%);
  --color-bg-card-hover: rgb(255 255 255 / 6%);

  /* Colors - Text */
  --color-text: #e8e8ef;
  --color-text-muted: #9a9ab4;
  --color-text-heading: #fff;

  /* Colors - Accent */
  --color-primary: #6c5ce7;
  --color-primary-light: #8677f0;
  --color-secondary: #00d2ff;
  --color-secondary-light: #3df;
  --color-glow-primary: rgb(108 92 231 / 40%);
  --color-glow-secondary: rgb(0 210 255 / 40%);

  /* Colors - Borders & Surfaces */
  --color-border: rgb(255 255 255 / 8%);
  --color-border-hover: rgb(255 255 255 / 15%);
  --color-glass: rgb(255 255 255 / 4%);
  --color-glass-hover: rgb(255 255 255 / 8%);
  --color-backdrop: rgb(10 10 15 / 80%);

  /* Colors - States */
  --color-success: #00e676;
  --color-error: #ff5252;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
  --fs-hero: clamp(2.5rem, 6vw, 5rem);

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1400px;
  --container-padding: 2rem;
  --nav-height: 4rem;

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

  /* Shadows */
  --shadow-card: 0 4px 24px rgb(0 0 0 / 30%);
  --shadow-glow-primary: 0 0 30px var(--color-glow-primary);
  --shadow-glow-secondary: 0 0 30px var(--color-glow-secondary);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index layers */
  --z-base: 1;
  --z-card: 10;
  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;

  /* Card accent colors */
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
}

/* ============================================
   CSS Reset + Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-light);
}

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

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

input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Screen-reader only (visible to crawlers & assistive tech) */
.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;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-text-heading);
}

:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ============================================
   Layout - Scroll Snap Container + Sections
   ============================================ */

.scroll-container {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden auto;
  outline: none;
}

.section {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--nav-height) var(--container-padding) var(--space-2xl);
}

.section__content {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, #fff 30%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

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

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

/* About section layout */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__text {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

.about__text p + p {
  margin-top: var(--space-lg);
}

/* Contact section layout */
.contact__layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* ============================================
   Components
   ============================================ */

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  z-index: 9999;
  font-weight: var(--fw-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --- Navbar --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(var(--container-padding), calc((100vw - var(--container-max)) / 2));
  background: var(--color-backdrop);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-nav);
  transition: background var(--transition-base);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-heading);
}

.nav__logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  color: var(--color-text-heading);
  text-transform: uppercase;
}

.nav__links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  position: relative;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-heading);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

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

/* --- Language Switch --- */
.lang-switch {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  background: transparent;
}

.lang-switch:hover {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.lang-switch--mobile {
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  cursor: pointer;
  z-index: var(--z-overlay);
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger--active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger--active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger--active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --- Mobile Menu Overlay --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: var(--z-overlay);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-menu .nav__link {
  font-size: var(--fs-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--color-glow-primary);
}

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: rgb(0 210 255 / 5%);
}

/* --- Cards (Glassmorphism) --- */
.card {
  --card-accent: var(--color-primary);
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.card[data-accent="purple"] { --card-accent: var(--accent-purple); }
.card[data-accent="blue"]   { --card-accent: var(--accent-blue); }
.card[data-accent="green"]  { --card-accent: var(--accent-green); }
.card[data-accent="amber"]  { --card-accent: var(--accent-amber); }

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    color-mix(in srgb, var(--card-accent) 12%, transparent),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent), transparent);
  opacity: 0.4;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-glass-hover);
  transform: translateY(-4px);
  box-shadow: 0 4px 24px rgb(0 0 0 / 30%), 0 0 20px color-mix(in srgb, var(--card-accent) 15%, transparent);
}

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

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

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 60%, white));
  margin-bottom: var(--space-lg);
  font-size: var(--fs-xl);
  transition: transform var(--transition-base);
}

.card:hover .card__icon {
  transform: scale(1.1);
}

.card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
}

.card__link {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.card__link:hover {
  color: var(--color-secondary-light);
}

/* --- Value Items (About section) --- */
.values__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.value-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgb(108 92 231 / 15%);
  color: var(--color-primary-light);
  font-size: var(--fs-lg);
}

.value-item__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.value-item__text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* --- Team Members --- */
.team {
  margin-top: var(--space-3xl);
}

.team__heading {
  font-size: var(--fs-xl);
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-text-heading);
}

.team-member {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.team-member:hover {
  border-color: var(--color-border-hover);
  background: var(--color-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.team-member__avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-full);
  overflow: hidden;
  padding: 3px;
  background: var(--color-border);
  transition: background var(--transition-base);
}

.team-member:hover .team-member__avatar {
  background: conic-gradient(from 0deg, var(--color-primary), var(--color-secondary), var(--color-primary));
}

.team-member__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
  display: block;
}

.team-member__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.team-member__name abbr {
  text-decoration: underline dotted var(--color-secondary);
  text-underline-offset: 3px;
  cursor: help;
  color: var(--color-secondary);
}

.team-member__role {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  line-height: var(--lh-relaxed);
}

/* --- Contact Form --- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form__honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
}

.form__input,
.form__textarea {
  padding: var(--space-md);
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(108 92 231 / 15%);
}

.form__group:focus-within .form__label {
  color: var(--color-primary-light);
  transition: color var(--transition-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

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

.form__group--error .form__input {
  border-color: var(--color-error);
}

.form__error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  display: none;
}

.form__group--error .form__error {
  display: block;
}

.form__error-global {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgb(255 82 82 / 15%);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: var(--fs-sm);
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-success);
  font-weight: var(--fw-medium);
}

.form__success--visible {
  display: block;
}

/* --- Form Loading Spinner --- */
.btn--loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-top: -10px;
  margin-left: -10px;
  border: 2px solid rgb(255 255 255 / 30%);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* --- Contact Info --- */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form .btn--primary {
  width: 100%;
}

.form__consent {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

.form__consent a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgb(0 210 255 / 10%);
  color: var(--color-secondary);
  font-size: var(--fs-lg);
}

.contact-info__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  font-weight: var(--fw-medium);
}

.contact-info__value a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info__value a:hover {
  color: var(--color-secondary);
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgb(108 92 231 / 25%) 0%, rgb(0 210 255 / 8%) 40%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  animation: hero-glow 8s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero__logo {
  width: 320px;
  height: 320px;
  margin: 0 auto var(--space-xl);
}

.hero__logo svg {
  width: 100%;
  height: 100%;
}

/* Burst SVG animations */
.burst-center {
  animation: burst-pulse 4s ease-in-out infinite;
  transform-origin: 0 0;
}

.burst-rays {
  transform-origin: 0 0;
  animation: burst-spin 90s linear infinite;
}

.burst-ray {
  opacity: 0;
  animation: burst-ray-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.burst-ray:nth-child(1) { animation-delay: 0s; }
.burst-ray:nth-child(2) { animation-delay: 0.1s; }
.burst-ray:nth-child(3) { animation-delay: 0.2s; }
.burst-ray:nth-child(4) { animation-delay: 0.3s; }
.burst-ray:nth-child(5) { animation-delay: 0.4s; }
.burst-ray:nth-child(6) { animation-delay: 0.5s; }
.burst-ray:nth-child(7) { animation-delay: 0.6s; }

.burst-text {
  opacity: 0;
  animation: burst-text-in 1s ease-out 1s forwards;
}

@keyframes burst-spin {
  0% { transform: scale(0) rotate(0deg); }
  1.3% { transform: scale(1.2) rotate(5deg); }
  1.8% { transform: scale(1) rotate(7deg); }
  100% { transform: scale(1) rotate(367deg); }
}

@keyframes burst-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.5); }
}

@keyframes burst-ray-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes burst-text-in {
  from { opacity: 0; letter-spacing: 20px; }
  to { opacity: 1; letter-spacing: 5px; }
}

.hero__tagline {
  font-size: var(--fs-xl);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  animation: bounce 2s ease-in-out infinite;
  cursor: pointer;
}

.hero__scroll-hint svg {
  width: 24px;
  height: 24px;
}


@keyframes hero-glow {
  0% {
    transform: translate(-50%, -60%) scale(0.9);
    background: radial-gradient(circle, rgb(108 92 231 / 25%) 0%, rgb(0 210 255 / 8%) 40%, transparent 70%);
  }

  100% {
    transform: translate(-50%, -60%) scale(1.15);
    background: radial-gradient(circle, rgb(0 210 255 / 18%) 0%, rgb(108 92 231 / 10%) 40%, transparent 70%);
  }
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: calc(var(--z-nav) + 1);
  transition: width 100ms linear;
}

/* --- Noise Overlay --- */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: calc(var(--z-nav) + 2);
  opacity: 0.03;
  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)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --- Section Ambient Gradients --- */
#services::before {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: clamp(400px, 35vw, 800px);
  height: clamp(400px, 35vw, 800px);
  background: radial-gradient(circle, rgb(0 210 255 / 8%) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

#about::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -5%;
  width: clamp(400px, 35vw, 800px);
  height: clamp(400px, 35vw, 800px);
  background: radial-gradient(circle, rgb(108 92 231 / 8%) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

#contact::before {
  content: '';
  position: absolute;
  bottom: 20%;
  right: -3%;
  width: clamp(350px, 30vw, 700px);
  height: clamp(350px, 30vw, 700px);
  background: radial-gradient(circle, rgb(108 92 231 / 6%) 0%, rgb(0 210 255 / 6%) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

/* --- Section Divider --- */
.section + .section::after {
  content: '';
  position: absolute;
  top: 0;
  left: max(10%, calc((100% - var(--container-max)) / 2));
  right: max(10%, calc((100% - var(--container-max)) / 2));
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
  opacity: 0.3;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-8px);
  }

  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

/* --- Cookie Consent Banner --- */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  padding: 0 var(--container-padding) var(--space-md);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.cookie-consent--visible {
  transform: translateY(0);
  opacity: 1;
}

.cookie-consent__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: var(--color-backdrop);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.cookie-consent__text {
  flex: 1;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

.cookie-consent__text a {
  color: var(--color-secondary);
  text-decoration: underline;
  margin-left: var(--space-xs);
}

.cookie-consent__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-consent__btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.cookie-consent__btn--decline {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.cookie-consent__btn--decline:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.cookie-consent__btn--accept {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
}

.cookie-consent__btn--accept:hover {
  box-shadow: 0 0 20px var(--color-glow-primary);
}

@media (max-width: 600px) {
  .cookie-consent__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .cookie-consent__actions {
    width: 100%;
    justify-content: center;
  }
}

/* --- Footer --- */

.footer {
  margin-top: var(--space-4xl);
  padding: var(--space-2xl) var(--container-padding) var(--space-xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
  opacity: 0.4;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2xl);
  align-items: start;
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__company {
  font-family: var(--font-mono);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--color-text-heading);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}

.footer__meta {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: var(--lh-relaxed);
  max-width: 625px;
}

.footer__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-md);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__links a,
.footer__cookie-btn {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--fw-medium);
  line-height: var(--lh-normal);
}

.footer__links a:hover,
.footer__cookie-btn:hover {
  color: var(--color-text-heading);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer {
    margin-top: var(--space-3xl);
    padding: var(--space-xl) var(--container-padding) var(--space-md);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }

  .footer__meta {
    max-width: none;
  }

  .footer__right {
    align-items: center;
  }

  .footer__links {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
  }
}

/* ============================================
   Reveal Animations
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  animation: reveal-safety 0.6s 4s forwards;
}

@keyframes reveal-safety {
  to { opacity: 1; transform: translateY(0); }
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
  animation: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__logo {
    animation: none !important;
  }

  .hero__scroll-hint {
    animation: none !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Responsive - Mobile-first breakpoints
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.5rem;
  }

  .grid--4 {
    grid-template-columns: 1fr 1fr;
  }

  .grid--3 {
    grid-template-columns: 1fr 1fr;
  }

  .about__layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .contact__layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --nav-height: 3.5rem;
  }

  .section {
    min-height: 100dvh;
    height: auto;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-2xl);
  }

  .section__title {
    font-size: var(--fs-2xl);
  }

  .section__subtitle {
    font-size: var(--fs-base);
  }

  /* Navigation */
  .nav__links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  /* Grids stack on mobile */
  .grid--4,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  /* Hero */
  .hero__logo {
    width: 220px;
    height: 220px;
  }

  .hero__tagline {
    font-size: var(--fs-base);
  }

  .hero__cta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__scroll-hint {
    bottom: var(--space-lg);
  }

  /* Cards */
  .card {
    padding: var(--space-xl);
  }

  /* Contact form */
  .contact__layout {
    gap: var(--space-xl);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  :root {
    --container-padding: 0.75rem;
  }

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

  .card {
    padding: var(--space-lg);
  }

  .hero__logo {
    width: 180px;
    height: 180px;
    margin-bottom: var(--space-lg);
  }

  .nav__logo-text {
    display: none;
  }
}

/* Wide screens (1920px+) */
@media (min-width: 1920px) {
  :root {
    --container-padding: 3rem;
  }

  .section__title {
    font-size: var(--fs-4xl);
  }

  .hero::before {
    width: 900px;
    height: 900px;
  }
}

/* Ultrawide screens (2560px+) */
@media (min-width: 2560px) {
  :root {
    --container-padding: 4rem;
  }

  .hero::before {
    width: 1100px;
    height: 1100px;
  }
}