/* ============================================
   djpasumbal.dev — shared stylesheet
   ============================================ */

@font-face {
  font-family: "Cal Sans";
  src: url("CalSans-Regular.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-display: "Cal Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #060A14;
  --surface: #101828;
  --border: #1E293B;
  --text-primary: #F1F5FB;
  --text-secondary: #8C9AB3;
  --accent: #3B9EFF;
  --accent-2: #22D3EE;
  --radius: 12px;
  --side-pad: clamp(24px, 6vw, 96px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 10, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  display: block;
}

/* ---------- Buttons ---------- */

.btn-gradient,
.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.btn-gradient {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: var(--bg);
  box-shadow: 0 10px 32px rgba(59, 158, 255, 0.4);
  border: none;
}

.btn-gradient:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent);
}

.nav-cv {
  padding: 10px 20px;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(59, 158, 255, 0.35);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 120px var(--side-pad) 100px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.glow-blue {
  width: 560px;
  height: 560px;
  background: var(--accent);
  opacity: 0.22;
  filter: blur(140px);
  top: -160px;
  left: -180px;
  animation: float-blue 22s ease-in-out infinite;
}

.glow-cyan {
  width: 420px;
  height: 420px;
  background: var(--accent-2);
  opacity: 0.16;
  filter: blur(120px);
  top: 40px;
  right: -140px;
  animation: float-cyan 26s ease-in-out infinite;
}

@keyframes float-blue {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(60px, 40px) scale(1.08); }
  50%  { transform: translate(20px, 90px) scale(0.96); }
  75%  { transform: translate(-40px, 30px) scale(1.04); }
  100% { transform: translate(0, 0) scale(1); }
}

@keyframes float-cyan {
  0%   { transform: translate(0, 0) scale(1); }
  30%  { transform: translate(-70px, 50px) scale(0.94); }
  60%  { transform: translate(-20px, -60px) scale(1.1); }
  85%  { transform: translate(40px, -20px) scale(1); }
  100% { transform: translate(0, 0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .glow-blue,
  .glow-cyan {
    animation: none;
  }
}

.eyebrow {
  position: relative;
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.15em;
  margin: 0 0 20px;
}

.hero h1 {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 760px;
  margin: 0 0 24px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  position: relative;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.5;
  max-width: 560px;
  margin: 0 0 32px;
}

.cta-row {
  position: relative;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Projects ---------- */

.projects {
  padding: 80px var(--side-pad);
}

.projects h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 40px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 24px rgba(59, 158, 255, 0.08);
}

.card-expanded {
  grid-column: 1 / -1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 24px rgba(59, 158, 255, 0.08);
}

.card-bar {
  height: 4px;
  border-radius: 2px;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.card-expanded h3, .card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 8px;
}

.card-expanded .tag, .card .tag {
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  margin: 0 0 12px;
}

.card-expanded .desc, .card .desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.45;
  margin: 0;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 8px;
}

.card-title-row h3 {
  margin: 0;
}

.app-store-link {
  display: inline-block;
  flex: 0 0 auto;
  line-height: 0;
  transition: opacity 0.15s ease;
}

.app-store-link:hover {
  opacity: 0.8;
}

/* ---------- Photo carousel ---------- */

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) - 4px);
  background: var(--bg);
  margin: 0 0 20px;
}

.carousel-track {
  display: flex;
  transition: transform 0.35s ease;
}

.carousel-track img {
  flex: 0 0 100%;
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background: var(--bg);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(16, 24, 40, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: var(--text-primary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.carousel-btn:hover {
  border-color: var(--accent);
  background: rgba(16, 24, 40, 0.95);
}

.carousel-btn.prev {
  left: 12px;
}

.carousel-btn.next {
  right: 12px;
}

.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(241, 245, 251, 0.35);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.carousel-dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

/* ---------- About ---------- */

.about {
  display: flex;
  gap: 80px;
  flex-wrap: wrap;
  padding: 80px var(--side-pad);
  border-top: 1px solid var(--border);
}

.about-left {
  flex: 1 1 400px;
  max-width: 440px;
}

.about-left h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 16px;
}

.about-left p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}

.about-right {
  flex: 1 1 280px;
}

.stack-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 16px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.chip {
  padding: 8px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 13px;
  font-weight: 500;
}

/* ---------- Footer ---------- */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 32px var(--side-pad);
  border-top: 1px solid var(--border);
}

.site-footer p {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
}

.footer-links a.accent-link {
  color: var(--accent);
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---------- Privacy policy page ---------- */

.policy-wrap {
  position: relative;
  overflow: hidden;
  padding: 80px var(--side-pad) 120px;
}

.policy-wrap .glow {
  width: 600px;
  height: 600px;
  background: var(--accent);
  opacity: 0.14;
  filter: blur(150px);
  top: 20px;
  right: -220px;
}

.policy-shell {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.policy-nav {
  flex: 0 0 220px;
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.policy-nav-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.05em;
  margin: 0 0 4px;
}

.policy-nav-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.policy-nav-item:hover {
  border-color: var(--accent);
}

.policy-nav-item.active {
  border-color: var(--accent);
  background: rgba(59, 158, 255, 0.1);
}

.policy-nav-name {
  font-weight: 600;
  font-size: 15px;
}

.policy-nav-tag {
  color: var(--text-secondary);
  font-size: 12px;
}

.policy-content {
  flex: 1;
  min-width: 0;
}

.policy-header {
  position: relative;
  margin: 0 0 40px;
}

.policy-title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 12px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.policy-updated {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

.doc-column {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.doc-column[hidden] {
  display: none;
}

.policy-section {
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.policy-section:first-child {
  padding-top: 0;
  border-top: none;
}

.policy-section h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 12px;
}

.policy-section p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

.policy-section p + p,
.policy-section p + ul,
.policy-section ul + p {
  margin-top: 12px;
}

.policy-section ul {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.policy-section strong {
  color: var(--text-primary);
}

.policy-section a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.policy-table-wrap {
  overflow-x: auto;
}

.policy-section table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}

.policy-section th,
.policy-section td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border: 1px solid var(--border);
  line-height: 1.5;
}

.policy-section th {
  color: var(--text-primary);
  background: var(--surface);
  font-weight: 600;
}

.policy-section td {
  color: var(--text-secondary);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-right {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--bg);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }

  .nav-right.open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .about {
    flex-direction: column;
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .policy-shell {
    flex-direction: column;
    gap: 32px;
  }

  .policy-nav {
    position: static;
    flex-direction: row;
    flex: none;
    width: 100%;
    overflow-x: auto;
  }

  .policy-nav-label {
    display: none;
  }

  .policy-nav-item {
    flex: 0 0 auto;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .glow-blue,
  .glow-cyan {
    width: 320px;
    height: 320px;
  }

  .carousel-track img {
    max-height: 320px;
  }
}