/* ============================================================
   Antoni Romera Luis — portfolio
   Hand-crafted CSS · dark modern aesthetic · no build step
   ============================================================ */

:root {
  --bg: #0b1020;
  --bg-soft: #0f1530;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #e7ebf5;
  --text-dim: #9aa3b8;
  --text-faint: #6b7390;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --accent-grad: linear-gradient(120deg, #7c5cff 0%, #00d4ff 100%);
  --ring: rgba(124, 92, 255, 0.5);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1120px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.7);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3 { line-height: 1.1; margin: 0 0 0.4em; letter-spacing: -0.02em; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- shared layout ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 110px 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  margin: 0 0 14px;
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.section-sub { color: var(--text-dim); font-size: 1.05rem; }
.section-sub a { color: var(--accent-2); }
.section-sub a:hover { text-decoration: underline; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent-grad);
  color: #0a0e1c;
  box-shadow: 0 10px 30px -10px var(--ring);
}
.btn-primary:hover { box-shadow: 0 16px 40px -12px var(--ring); }
.btn-ghost {
  background: var(--panel);
  border-color: var(--panel-border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); }

/* ============================================================
   NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 32, 0.6);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.scrolled {
  border-color: var(--panel-border);
  background: rgba(11, 16, 32, 0.85);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  font-size: 0.95rem;
  font-weight: 800;
  background: var(--accent-grad);
  color: #0a0e1c;
}
.brand-name { font-size: 1.02rem; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-menu a { color: var(--text-dim); font-weight: 500; transition: color 0.2s; }
.nav-menu a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text) !important;
  background: var(--panel);
}
.nav-cta:hover { border-color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - 71px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 14s ease-in-out infinite;
}
.orb-1 {
  width: 460px; height: 460px;
  background: radial-gradient(circle, #7c5cff, transparent 70%);
  top: -120px; left: -80px;
}
.orb-2 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #00d4ff, transparent 70%);
  bottom: -160px; right: -100px;
  animation-delay: -6s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 60px 24px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 800;
  background: linear-gradient(180deg, #ffffff, #b9c2dd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-tagline strong { color: var(--text); font-weight: 600; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-socials {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-socials a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.hero-socials a:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }

/* photo */
.hero-photo { display: flex; justify-content: center; }
.photo-frame {
  position: relative;
  width: min(360px, 80vw);
  aspect-ratio: 1;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid var(--panel-border);
  background:
    repeating-linear-gradient(45deg, rgba(124,92,255,0.12) 0 12px, rgba(0,212,255,0.12) 12px 24px);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}
.photo-ring {
  position: absolute;
  inset: -14px;
  border-radius: 38px;
  background: var(--accent-grad);
  opacity: 0.35;
  filter: blur(20px);
  z-index: 0;
  animation: pulse 5s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.3} 50%{opacity:.55} }
.photo-badge {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  white-space: nowrap;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(11,16,32,0.92);
  border: 1px dashed var(--accent);
  color: var(--accent-2);
}
/* hide the "replace" badge once a real photo loads */
.photo-frame.has-photo .photo-badge { display: none; }

.scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--text-faint);
  border-radius: 14px;
  z-index: 1;
}
.scroll-cue span {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--accent-2);
  animation: scrolldot 1.8s infinite;
}
@keyframes scrolldot {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ============================================================
   PROJECTS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(124,92,255,0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,92,255,0.5);
  box-shadow: var(--shadow);
}
.card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.card-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(124,92,255,0.14);
  border: 1px solid rgba(124,92,255,0.25);
  font-size: 1.3rem;
}
.card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text-faint);
}
.card-tag.live { color: #34d399; border-color: rgba(52,211,153,0.4); }
.card-tag.local { color: #fbbf24; border-color: rgba(251,191,36,0.4); }

.card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 0.95rem; margin: 0 0 18px; flex-grow: 1; }

.badges { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.badge {
  font-size: 0.72rem;
  font-weight: 500;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  padding: 4px 9px;
  border-radius: 7px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
}

.card-links { display: flex; gap: 16px; align-items: center; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s;
}
.card-link svg { width: 16px; height: 16px; }
.card-link:hover { color: var(--accent-2); }
.card-link.demo { color: var(--text-dim); }
.card-link.demo:hover { color: var(--accent-2); }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.about-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
.about-text p { color: var(--text-dim); margin-bottom: 18px; }
.about-stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.about-stats li {
  flex: 1;
  min-width: 120px;
  padding: 18px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--panel-border);
}
.about-stats strong {
  display: block;
  font-size: 1.7rem;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-stats span { font-size: 0.85rem; color: var(--text-dim); }

.about-skills {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--panel-border);
}
.about-skills h3 { font-size: 1.1rem; margin-bottom: 18px; }
.skill-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-cloud span {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  transition: color 0.2s, border-color 0.2s;
}
.skill-cloud span:hover { color: var(--text); border-color: var(--accent); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-card {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px;
  border-radius: var(--radius);
  background:
    radial-gradient(600px circle at 50% 0%, rgba(124,92,255,0.18), transparent 60%),
    var(--panel);
  border: 1px solid var(--panel-border);
}
.contact-card h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.contact-card p { color: var(--text-dim); margin-bottom: 28px; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--panel-border);
  background: var(--bg-soft);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.footer-inner nav { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.footer-inner nav a { color: var(--text-dim); font-size: 0.9rem; transition: color 0.2s; }
.footer-inner nav a:hover { color: var(--text); }
.footer-inner p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }
.footer-note { color: var(--text-faint) !important; font-size: 0.8rem !important; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-text { order: 2; }
  .hero-photo { order: 1; }
  .hero-actions, .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }

  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 24px 24px;
    background: rgba(11,16,32,0.97);
    border-bottom: 1px solid var(--panel-border);
    backdrop-filter: blur(14px);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
  }
  .nav-menu.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: 10px 4px; }
  .nav-cta { text-align: center; }
}

@media (max-width: 520px) {
  .section { padding: 80px 18px; }
  .hero-inner { padding: 40px 18px; }
  .photo-badge { font-size: 0.65rem; white-space: normal; text-align: center; }
}

/* ============================================================
   MOTION / CONTRAST PREFERENCES
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}