/* ============================================================
   Monica Mae Dizon — Portfolio
   Dark game-UI aesthetic · violet + cyan accent system
   ============================================================ */

:root {
  --bg: #0b0b12;
  --bg-alt: #10101a;
  --surface: #161624;
  --surface-hover: #1c1c2e;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eceaf6;
  --text-muted: #a09db8;
  --text-faint: #6d6a85;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-2: #22d3ee;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 14px;
  --container: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

::selection { background: rgba(139, 92, 246, 0.4); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #6d3ef0 100%);
  color: #fff;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.5);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn-ghost:hover {
  border-color: var(--accent-bright);
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-2px);
}

.btn-small { padding: 9px 20px; font-size: 14px; }
.btn-large { padding: 17px 44px; font-size: 17px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 11, 18, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-decoration: none;
  letter-spacing: 0.04em;
}
.logo-dot { color: var(--accent-bright); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 92, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 45%, black 40%, transparent 100%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.glow-1 {
  width: 560px; height: 560px;
  background: var(--accent);
  top: -140px; right: -80px;
}
.glow-2 {
  width: 480px; height: 480px;
  background: var(--accent-2);
  bottom: -200px; left: -140px;
  opacity: 0.18;
}

.hero-content { position: relative; padding-top: 68px; }

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--accent-bright);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 104px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
  background: linear-gradient(120deg, #fff 30%, var(--accent-bright) 75%, var(--accent-2) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-tagline em { color: var(--accent-2); font-style: italic; }

.hero-sub {
  max-width: 620px;
  color: var(--text-muted);
  margin-bottom: 42px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 44px;
  border: 2px solid var(--text-faint);
  border-radius: 14px;
  display: flex;
  justify-content: center;
}
.scroll-hint-dot {
  width: 4px; height: 8px;
  margin-top: 8px;
  background: var(--accent-bright);
  border-radius: 2px;
  animation: scrollBounce 1.8s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(14px); opacity: 0.2; }
}

/* ---------- Sections ---------- */
.section { padding: 120px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label span { color: var(--text-faint); }
.section-label::after {
  content: "";
  flex: 0 0 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin-bottom: 28px;
}

.section-intro {
  max-width: 720px;
  color: var(--text-muted);
  margin-bottom: 56px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: start;
  margin-top: 16px;
}

.about-text p { margin-bottom: 22px; color: var(--text-muted); }
.about-text strong { color: var(--text); }

.about-skills {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.about-skills::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.about-skills h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin-bottom: 26px;
}

.skill-list { list-style: none; display: grid; gap: 22px; }
.skill-list li { display: flex; gap: 14px; align-items: flex-start; }
.skill-icon { font-size: 22px; line-height: 1.4; }
.skill-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 2px;
}
.skill-list div { font-size: 14.5px; color: var(--text-muted); line-height: 1.55; }

/* ---------- Case studies ---------- */
.case-grid { display: grid; gap: 48px; }

.case-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45);
}

.case-thumb {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
/* TODO: Replace gradient placeholders with real project imagery via background-image */
.case-thumb-1 { background: linear-gradient(140deg, #2b1a5e 0%, #6d3ef0 55%, #22d3ee 130%); }
.case-thumb-2 { background: linear-gradient(140deg, #4a1642 0%, #b0316e 60%, #f59e0b 140%); }
.case-thumb-3 { background: linear-gradient(140deg, #0f3a4d 0%, #0e7490 55%, #a78bfa 140%); }

.case-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.case-thumb-tag {
  position: relative;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(10, 10, 18, 0.65);
  backdrop-filter: blur(6px);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.case-body { padding: 40px 44px; }

.case-body h3 {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 6px;
}

.case-meta {
  font-size: 14px;
  color: var(--text-faint);
  margin-bottom: 26px;
}

.case-block { margin-bottom: 20px; }
.case-block h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 6px;
}
.case-block p { color: var(--text-muted); font-size: 15.5px; }
.case-block ul {
  list-style: none;
  color: var(--text-muted);
  font-size: 15.5px;
  display: grid;
  gap: 5px;
}
.case-block ul li { padding-left: 18px; position: relative; }
.case-block ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-size: 12px;
  top: 3px;
}

.case-link {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--accent-bright);
  text-decoration: none;
  margin: 8px 0 10px;
  transition: color 0.2s ease, transform 0.2s ease;
}
.case-link:hover { color: var(--accent-2); transform: translateX(4px); }

.case-includes { font-size: 13px; color: var(--text-faint); }

/* ---------- Contact ---------- */
.contact-container { text-align: center; }
.contact-container .section-label,
.contact-container .section-intro { justify-content: center; margin-left: auto; margin-right: auto; }
.contact-container .section-label::after { display: none; }
.contact-container .section-label::before {
  content: "";
  flex: 0 0 48px;
  height: 1px;
  background: linear-gradient(270deg, var(--accent), transparent);
}

.contact-availability {
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 48px;
}
.contact-availability strong { color: var(--accent-2); }

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 860px;
  margin: 0 auto 48px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
a.contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.45);
  background: var(--surface-hover);
}

.contact-card-icon { font-size: 26px; margin-bottom: 6px; }
.contact-card-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.contact-card-value { font-size: 15.5px; font-weight: 500; }

.contact-cta { margin-bottom: 36px; }

.contact-footnote { font-size: 13.5px; color: var(--text-faint); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-faint);
}
.footer-tag { font-style: italic; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint-dot { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .case-card { grid-template-columns: 1fr; }
  .case-thumb { min-height: 220px; }
  .contact-cards { grid-template-columns: 1fr; max-width: 420px; }
  .section { padding: 88px 0; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    background: rgba(11, 11, 18, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .case-body { padding: 30px 26px; }
}