:root {
  --bg: #0a0a0c;
  --bg-soft: #101013;
  --surface: #17171b;
  --surface-hover: #1e1e23;
  --border: #26262c;
  --text: #f2f2f0;
  --text-dim: #9a9aa2;
  --text-faint: #66666f;
  --accent: #c8ff4d;
  --accent-dim: #a7d93f;
  --radius: 14px;
  --container: 1160px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .navbar__logo {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  letter-spacing: -0.02em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.dot { color: var(--accent); }

/* grain overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: all .3s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #0a0a0c;
}
.btn--primary:hover { background: var(--accent-dim); transform: translateY(-2px); }
.btn--outline {
  border-color: var(--border);
  color: var(--text);
}
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  padding: 10px 20px;
  font-size: 0.88rem;
}
.btn--ghost:hover { background: var(--surface-hover); border-color: var(--accent); }

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar__logo {
  font-weight: 700;
  font-size: 1.15rem;
}
.navbar__links {
  display: flex;
  gap: 32px;
  margin: 0 auto;
}
.nav-link {
  font-size: 0.92rem;
  color: var(--text-dim);
  position: relative;
  padding: 4px 0;
  transition: color .25s var(--ease);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active::after, .nav-link:hover::after { width: 100%; }

.navbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.navbar__burger span {
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: all .3s var(--ease);
}
.navbar__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__burger.open span:nth-child(2) { opacity: 0; }
.navbar__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 0 80px;
  position: relative;
  background:
    radial-gradient(circle at 85% 15%, rgba(200,255,77,0.08), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(200,255,77,0.05), transparent 40%);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(200,255,77,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(200,255,77,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(200,255,77,0); }
  100% { box-shadow: 0 0 0 0 rgba(200,255,77,0); }
}
.hero__title {
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 26px;
}
.hero__title-accent {
  display: block;
  color: var(--text-faint);
}
.hero__subtitle {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 40px;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__portrait { position: relative; justify-self: center; }
.portrait-frame {
  width: min(340px, 80vw);
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}
.portrait-img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(15%) contrast(1.05);
}
.portrait-badge {
  position: absolute;
  bottom: -20px; left: -20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.portrait-badge i {
  font-size: 1.6rem;
  color: var(--accent);
}
.portrait-badge strong { display: block; font-size: 1.1rem; line-height: 1; }
.portrait-badge span { font-size: 0.75rem; color: var(--text-dim); }

.hero__scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  animation: floatY 2.4s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* Section shared */
section { padding: 120px 0; }
.section-label {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 600;
  max-width: 720px;
  margin-bottom: 56px;
}

/* About */
.about { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about__text {
  font-size: 1.12rem;
  color: var(--text-dim);
}
.stack-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  transition: all .25s var(--ease);
}
.badge i { color: var(--accent); font-size: 1rem; }
.badge:hover { border-color: var(--accent); transform: translateY(-2px); }

/* Projects */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  background: var(--surface-hover);
}
.project-card--static { cursor: default; }
.project-card__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: object-position 3.5s cubic-bezier(0.65, 0, 0.35, 1);
}
.project-card:hover .project-card__media img { object-position: bottom center; }
@media (prefers-reduced-motion: reduce) {
  .project-card__media img { transition: none; }
}
.project-card__media .project-card__num {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(10,10,12,0.75);
  backdrop-filter: blur(6px);
  padding: 4px 11px;
  border-radius: 999px;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text);
  font-size: 0.82rem;
}
.project-card__body { padding: 30px 34px 34px; }
.project-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.project-card__icon {
  font-size: 1.4rem;
  color: var(--accent);
}
.project-card h3 {
  font-size: 1.35rem;
}
.project-card__tag {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin: 6px 0 14px;
}
.project-card__desc {
  color: var(--text-dim);
  font-size: 0.96rem;
}
.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-faint);
  transition: color .25s var(--ease), gap .25s var(--ease);
}
.project-card__link i { font-size: 0.95rem; }
.project-card:hover .project-card__link { color: var(--accent); gap: 9px; }

/* Contact */
.contact { background: var(--bg-soft); border-top: 1px solid var(--border); }
.contact__lead {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-top: -36px;
  margin-bottom: 56px;
}
.contact__layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* Contact form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-field label {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 500;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-faint); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg);
}
.form-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%239a9aa2' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-field select option { background: var(--bg-soft); color: var(--text); }

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: #ff6b6b;
}
.form-error {
  display: none;
  font-size: 0.78rem;
  color: #ff6b6b;
}
.form-field.has-error .form-error { display: block; }

.contact-form__submit {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.contact-form__status {
  font-size: 0.88rem;
  min-height: 1.2em;
}
.contact-form__status.success { color: var(--accent); }
.contact-form__status.error { color: #ff6b6b; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all .3s var(--ease);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  background: var(--surface-hover);
}
.contact-card i {
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-card__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}
.contact-card__value {
  display: block;
  font-size: 0.98rem;
  font-weight: 500;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__inner p {
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer__socials { display: flex; gap: 18px; }
.footer__socials a {
  color: var(--text-dim);
  font-size: 1.2rem;
  transition: color .25s var(--ease);
}
.footer__socials a:hover { color: var(--accent); }

/* WhatsApp floating button */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0c;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  z-index: 900;
  transition: transform .3s var(--ease);
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* Responsive */
@media (max-width: 900px) {
  .navbar__links { display: none; }
  .navbar__cta { display: none; }
  .navbar__burger { display: flex; }

  .navbar__links.mobile-open {
    display: flex;
    position: fixed;
    top: 66px; left: 0; right: 0;
    background: rgba(10,10,12,0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }

  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__portrait { order: -1; margin-bottom: 20px; }
  .portrait-badge { left: 50%; transform: translateX(-50%); }

  .about__grid { grid-template-columns: 1fr; gap: 36px; }
  .projects__grid { grid-template-columns: 1fr; }
  .contact__layout { grid-template-columns: 1fr; }
  .contact__lead { margin-top: 0; }
  .contact-form { padding: 26px; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }

  section { padding: 80px 0; }
}

@media (max-width: 480px) {
  .hero { padding-top: 120px; }
  .btn { padding: 12px 20px; font-size: 0.9rem; }
  .project-card { padding: 26px; }
}