/* ===== Variables ===== */
:root {
  --color-bg: #0a0f14;
  --color-bg-elevated: #111820;
  --color-bg-card: #151d27;
  --color-surface: #1a2432;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #e8edf2;
  --color-text-muted: #8b9aab;
  --color-accent: #2dd4a8;
  --color-accent-dim: rgba(45, 212, 168, 0.15);
  --color-accent-glow: rgba(45, 212, 168, 0.25);
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.section {
  padding: 100px 0;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(10, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-cta {
  padding: 8px 20px;
  background: var(--color-accent-dim);
  color: var(--color-accent) !important;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 168, 0.3);
}

.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: #25c497;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-accent-glow);
}

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

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface);
}

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

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, var(--color-accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(59, 130, 246, 0.08), transparent),
    var(--color-bg);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 60px 0 120px;
}

.hero-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.15s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.45s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Section Headers ===== */
.section-header {
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 640px;
}

.section-desc {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 520px;
}

/* ===== About ===== */
.about {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat {
  padding: 28px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(45, 212, 168, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--color-accent-dim);
  border-radius: 10px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
  padding: 120px 0;
}

.cta-inner {
  text-align: center;
  padding: 80px 40px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, var(--color-accent-glow), transparent),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 400;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 36px;
}

/* ===== Footer ===== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 24px 40px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 28px;
  align-self: start;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-copy {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(640px, 92vw);
  padding: 20px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.visible {
  transform: translateX(-50%) translateY(0);
}

.cookie-banner p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex: 1;
}

.cookie-banner a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 15, 20, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 72px 0;
  }
}