/* ============================================================
   OMA Labs — Portfolio Website Styles
   ============================================================ */

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

:root {
  --clr-bg:        #07111f;
  --clr-bg2:       #0b1929;
  --clr-surface:   rgba(255,255,255,0.04);
  --clr-border:    rgba(255,255,255,0.08);
  --clr-text:      #e8edf5;
  --clr-muted:     #8a9ab5;
  --clr-cyan:      #00d4ff;
  --clr-blue:      #1a78f2;
  --clr-glow:      rgba(0, 212, 255, 0.15);

  --font-head:  'Space Grotesk', sans-serif;
  --font-body:  'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --nav-h: 70px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(120deg, var(--clr-cyan) 0%, var(--clr-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn--primary {
  background: linear-gradient(120deg, var(--clr-cyan), var(--clr-blue));
  color: #fff;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.btn--primary:hover {
  box-shadow: 0 0 36px rgba(0,212,255,0.5);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn--ghost:hover {
  border-color: var(--clr-cyan);
  color: var(--clr-cyan);
  transform: translateY(-2px);
}

.btn--lg { padding: 15px 34px; font-size: 1rem; }

/* ---------- Section shared ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(7,17,31,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
}

.nav__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-img {
  height: 36px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(120deg, var(--clr-cyan), var(--clr-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav__links li a {
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav__links li a:hover { color: var(--clr-text); }

.nav__cta {
  background: linear-gradient(120deg, var(--clr-cyan), var(--clr-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600 !important;
  border: 1.5px solid rgba(0,212,255,0.4);
  padding: 7px 20px;
  border-radius: 50px;
  color: var(--clr-cyan) !important;
  -webkit-text-fill-color: unset !important;
  transition: all var(--transition) !important;
}
.nav__cta:hover {
  border-color: var(--clr-cyan);
  background: rgba(0,212,255,0.1);
  color: var(--clr-cyan) !important;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile nav ---------- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7,17,31,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 24px 0;
    border-bottom: 1px solid var(--clr-border);
  }
  .nav__links.open { display: flex; }
  .nav__links li { width: 100%; }
  .nav__links li a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
    color: var(--clr-text);
  }
  .nav__cta {
    margin: 8px 24px 0;
    text-align: center;
  }
  .nav__hamburger { display: flex; }
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/bg.png');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) saturate(1.2);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(7,17,31,0.15) 0%,
    rgba(7,17,31,0.4) 60%,
    rgba(7,17,31,1) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1.5px;
  background: var(--clr-cyan);
}

.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--clr-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--clr-bg2);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__text p {
  color: var(--clr-muted);
  margin-bottom: 20px;
  font-size: 1.02rem;
}
.about__text p strong {
  color: var(--clr-text);
  font-weight: 600;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
}

.stat-card__num {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--clr-cyan), var(--clr-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card__num span { font-size: 1.6rem; }

.stat-card__label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--clr-bg); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.service-card--highlight {
  background: linear-gradient(145deg, rgba(0,212,255,0.06), rgba(26,120,242,0.08));
  border-color: rgba(0,212,255,0.2);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(26,120,242,0.15));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--clr-cyan);
}
.service-card__icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--clr-text);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}
.service-card p strong { color: var(--clr-text); }

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-card__tags li {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--clr-cyan);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.18);
  padding: 3px 10px;
  border-radius: 50px;
}

@media (max-width: 1000px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   TECH STACK
   ============================================================ */
.stack { background: var(--clr-bg2); }

.stack__groups {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.stack__group-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  margin-bottom: 16px;
}
.stack__group-label svg { width: 16px; height: 16px; }

.stack__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: 9px 20px;
  border-radius: 50px;
  transition: all var(--transition);
  cursor: default;
}
.pill:hover {
  border-color: var(--clr-cyan);
  color: var(--clr-cyan);
  background: rgba(0,212,255,0.06);
}

/* ============================================================
   CONTACT CTA
   ============================================================ */
.contact {
  background: var(--clr-bg);
  overflow: hidden;
  text-align: center;
}

.contact__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,212,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.contact__inner { position: relative; z-index: 1; }

.contact .section__label { justify-content: center; display: flex; }

.contact .section__title {
  text-align: center;
  margin-bottom: 20px;
}

.contact__body {
  max-width: 560px;
  margin: 0 auto 40px;
  color: var(--clr-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.contact__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 40px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer__logo {
  height: 40px;
  width: auto;
}

.footer__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
}

.footer__tagline {
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-top: 2px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  font-size: 0.875rem;
  color: var(--clr-muted);
}
.footer__links a:hover { color: var(--clr-cyan); }

.footer__copy {
  font-size: 0.78rem;
  color: rgba(138,154,181,0.5);
}

/* ============================================================
   Scroll reveal animations
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive helpers ---------- */
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .hero__headline { letter-spacing: -0.01em; }
  .hero__scroll-indicator { display: none; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .stat-card__num { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .contact__actions { flex-direction: column; align-items: center; }
  .about__stats { grid-template-columns: 1fr 1fr; gap: 10px; }
}