/* Paperlogy Web Font */
@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-1Thin.woff2') format('woff2');
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-2ExtraLight.woff2') format('woff2');
  font-weight: 200;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-3Light.woff2') format('woff2');
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-9Black.woff2') format('woff2');
  font-weight: 900;
  font-display: swap;
}

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

:root {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-text: #f1f5f9;
  --color-muted: #94a3b8;
  --font-sans: "Paperlogy", sans-serif;
  --section-padding: clamp(2rem, 5vw, 4rem);
  --max-width: 1400px;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--section-padding);
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--color-accent-light);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Sections — landscape-first horizontal layout */
section {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(4rem + var(--section-padding)) var(--section-padding) var(--section-padding);
}

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

/* Hero */
.hero {
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(59, 130, 246, 0.15), transparent),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(96, 165, 250, 0.08), transparent),
    var(--color-bg);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent-light), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-muted);
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.05);
}

.hero__visual {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    linear-gradient(225deg, rgba(167, 139, 250, 0.15) 0%, transparent 50%);
}

.hero__visual-grid {
  position: absolute;
  inset: 0;
  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: 40px 40px;
}

.hero__visual-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Features — horizontal card row */
.features {
  background: var(--color-surface);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header__label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-light);
  margin-bottom: 0.75rem;
}

.section-header__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
}

.feature-card {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  border-radius: 10px;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* About — side-by-side landscape layout */
.about {
  background: var(--color-bg);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat {
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.stat__value {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.about__content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.about__content p {
  color: var(--color-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

/* Contact — wide horizontal form */
.contact {
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(59, 130, 246, 0.1), transparent),
    var(--color-surface);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact__info h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact__info p {
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.contact__details {
  list-style: none;
}

.contact__details li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact__form .form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  padding: 2rem var(--section-padding);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* Responsive — portrait / mobile */
@media (max-width: 900px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1rem 0;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li a {
    display: block;
    padding: 0.75rem var(--section-padding);
  }

  .nav__toggle {
    display: block;
  }

  .hero__inner,
  .about__inner,
  .contact__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
    max-height: 240px;
    aspect-ratio: 16 / 9;
  }

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

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

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

  section {
    min-height: auto;
    padding-top: calc(5rem + var(--section-padding));
    padding-bottom: var(--section-padding);
  }
}

/* Landscape mobile optimization */
@media (max-height: 500px) and (orientation: landscape) {
  section {
    min-height: auto;
    padding-top: 5rem;
    padding-bottom: 2rem;
  }

  .hero__inner {
    grid-template-columns: 1.2fr 1fr;
  }

  .hero__visual {
    max-height: 200px;
  }
}