/* ================================
   Phoo Wai Thaw — QS Portfolio
   Theme: Dark + Construction Amber
   ================================ */

:root {
  --bg: #0b0b0d;
  --bg-2: #111114;
  --surface: #16161a;
  --surface-2: #1c1c22;
  --border: #26262d;
  --text: #ececf1;
  --text-dim: #9a9aa6;
  --muted: #6c6c78;

  --accent: #f5a524;          /* construction amber */
  --accent-2: #ffcb6b;
  --accent-soft: rgba(245, 165, 36, 0.15);
  --accent-glow: rgba(245, 165, 36, 0.35);

  --radius: 14px;
  --radius-lg: 22px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-amber: 0 20px 60px -20px var(--accent-glow);
}

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

html { scroll-behavior: smooth; }

html[data-theme="light"] {
  --bg: #eee3d0;
  --bg-2: #dfcfb5;
  --surface: #fffaf0;
  --surface-2: #f0dfc4;
  --border: #c9ad82;
  --text: #241f18;
  --text-dim: #5f5548;
  --muted: #877967;
  --accent-soft: rgba(183, 112, 20, 0.18);
  --accent-glow: rgba(183, 112, 20, 0.24);
  --shadow: 0 16px 42px -26px rgba(75, 54, 28, 0.34);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ============ Background FX ============ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px circle at 15% 10%, rgba(245,165,36,0.18), transparent 60%),
    radial-gradient(800px circle at 85% 90%, rgba(245,165,36,0.10), transparent 60%);
}
html[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(72, 53, 30, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 53, 30, 0.1) 1px, transparent 1px);
}
html[data-theme="light"] .bg-glow {
  background:
    radial-gradient(520px circle at 12% 10%, rgba(245, 165, 36, 0.34), transparent 62%),
    radial-gradient(760px circle at 88% 92%, rgba(102, 73, 36, 0.18), transparent 64%),
    linear-gradient(135deg, rgba(255, 250, 240, 0.36), rgba(223, 207, 181, 0.38));
}

/* ============ NAV ============ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: .72rem clamp(1.25rem, 4vw, 2.2rem);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    rgba(11, 11, 13, 0.88);
  border-bottom: 1px solid rgba(245, 165, 36, 0.12);
  box-shadow: 0 12px 32px -24px rgba(0, 0, 0, 0.9);
  overflow: hidden;
  transition:
    top .42s cubic-bezier(.22, .61, .36, 1),
    left .42s cubic-bezier(.22, .61, .36, 1),
    right .42s cubic-bezier(.22, .61, .36, 1),
    width .42s cubic-bezier(.22, .61, .36, 1),
    transform .42s cubic-bezier(.22, .61, .36, 1),
    padding .42s cubic-bezier(.22, .61, .36, 1),
    border-radius .42s cubic-bezier(.22, .61, .36, 1),
    border-color .3s ease,
    background .3s ease,
    box-shadow .3s ease,
    backdrop-filter .3s ease;
}
.nav::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 165, 36, 0.58), transparent);
  opacity: .65;
}
.nav::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px circle at 12% 0%, rgba(245, 165, 36, 0.12), transparent 42%),
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.035), transparent);
  pointer-events: none;
}
.nav.scrolled {
  border-color: rgba(245, 165, 36, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    rgba(11, 11, 13, 0.92);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.96);
}
html[data-theme="light"] .nav {
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.92), rgba(244, 234, 216, 0.82)),
    rgba(255, 250, 240, 0.9);
  border-bottom-color: rgba(183, 112, 20, 0.24);
  box-shadow: 0 14px 34px -26px rgba(75, 54, 28, 0.55);
}
html[data-theme="light"] .nav.scrolled {
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.96), rgba(244, 234, 216, 0.88)),
    rgba(255, 250, 240, 0.94);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.brand::before { content: none; }
.brand .dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  flex: 1;
  flex-wrap: wrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .42rem;
  font-size: .98rem;
  color: var(--text-dim);
  position: relative;
  padding: .56rem .9rem;
  border-radius: 12px;
  transition: color .25s, background .25s, box-shadow .25s, transform .25s, border-color .25s;
  border: 1px solid transparent;
  z-index: 1;
}
.nav-link-icon {
  display: inline-grid;
  place-items: center;
  width: 19px;
  height: 19px;
  opacity: .88;
}
.nav-link-icon svg { width: 19px; height: 19px; }
.nav-link::after {
  content: "";
  position: absolute;
  left: .95rem;
  right: .95rem;
  bottom: .35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(.55);
  transition: opacity .25s ease, transform .25s ease;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: linear-gradient(180deg, rgba(245, 165, 36, 0.16), rgba(245, 165, 36, 0.08));
  border-color: rgba(245, 165, 36, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 10px 24px -18px rgba(245, 165, 36, 0.45);
  transform: translateY(-1px);
}
.nav-link:hover::after,
.nav-link.active::after { opacity: 1; transform: scaleX(1); }
.nav-link:hover .nav-link-icon,
.nav-link.active .nav-link-icon { opacity: 1; }
.nav-link > span:last-child {
  transition:
    opacity .28s ease,
    max-width .36s cubic-bezier(.22, .61, .36, 1),
    margin .36s cubic-bezier(.22, .61, .36, 1),
    transform .28s ease;
  max-width: 120px;
  overflow: hidden;
  white-space: nowrap;
}
.brand,
.nav-links,
.nav-link,
.nav-link-icon,
.theme-toggle {
  transition:
    opacity .32s ease,
    transform .38s cubic-bezier(.22, .61, .36, 1),
    background .28s ease,
    border-color .28s ease,
    box-shadow .28s ease,
    gap .32s ease,
    margin .32s ease;
}

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 32px; height: 32px; flex-direction: column;
  justify-content: center; gap: 5px;
}
.theme-toggle {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition: border-color .25s, transform .25s, color .25s, background .25s;
  margin-left: .35rem;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.theme-icon {
  width: 18px;
  height: 18px;
  position: absolute;
  transition: opacity .22s ease, transform .22s ease;
}
.theme-toggle .theme-icon-sun { opacity: 1; transform: scale(1); }
.theme-toggle .theme-icon-moon { opacity: 0; transform: scale(.6); }
html[data-theme="light"] .theme-toggle .theme-icon-sun { opacity: 0; transform: scale(.6); }
html[data-theme="light"] .theme-toggle .theme-icon-moon { opacity: 1; transform: scale(1); }
html[data-theme="light"] .theme-toggle {
  background: rgba(72, 53, 30, 0.05);
}
.nav-toggle span {
  display: block; height: 2px; width: 22px; background: var(--text);
  transition: transform .3s, opacity .3s;
}
.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); }

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  padding: 0 clamp(1.6rem, 7vw, 6.2rem);
  position: relative;
}
.hero-inner {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 1040px; margin: 0 auto; width: 100%;
  padding: 7.2rem 0 2.7rem;
  padding-left: clamp(0.4rem, 1.4vw, 1rem);
}

@media (min-width: 861px) {
  .nav {
    left: 50%;
    right: auto;
    width: calc(100% - 0rem);
    transform: translateX(-50%);
  }
  .nav.scrolled {
    top: 1rem;
    width: min(640px, calc(100% - 2rem));
    transform: translateX(-50%);
    padding: .48rem .75rem;
    border: 1px solid rgba(245, 165, 36, 0.16);
    border-radius: 999px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)),
      rgba(11, 11, 13, 0.92);
    box-shadow:
      0 22px 45px -30px rgba(0, 0, 0, 0.95),
      inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }
  .nav.scrolled::before {
    left: 14%;
    right: 14%;
    opacity: .42;
  }
  .nav.scrolled::after {
    background:
      radial-gradient(280px circle at 50% 0%, rgba(245, 165, 36, 0.14), transparent 46%),
      linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  }
  .nav.scrolled .brand {
    opacity: 1;
    margin-right: .35rem;
    padding: .5rem .7rem;
    border-radius: 999px;
    background: rgba(245, 165, 36, 0.08);
    box-shadow: inset 0 0 0 1px rgba(245, 165, 36, 0.1);
    font-size: 1.05rem;
    line-height: 1;
    transform: scale(.94);
    transform-origin: left center;
  }
  .nav.scrolled .nav-links {
    flex: 1 1 auto;
    flex-wrap: nowrap;
    gap: .28rem;
    justify-content: center;
    min-width: 0;
  }
  .nav.scrolled .nav-link {
    width: 2.9rem;
    height: 2.9rem;
    padding: 0;
    gap: 0;
    border-radius: 999px;
  }
  .nav.scrolled .nav-link > span:last-child {
    opacity: 0;
    max-width: 0;
    margin-left: 0;
    margin-right: 0;
    overflow: hidden;
    transform: translateY(2px);
  }
  .nav.scrolled .nav-link-icon {
    width: 20px;
    height: 20px;
  }
  .nav.scrolled .nav-link-icon svg {
    width: 20px;
    height: 20px;
  }
  .nav.scrolled .nav-link::after {
    display: none;
  }
  .nav.scrolled .nav-link:hover,
  .nav.scrolled .nav-link.active {
    transform: none;
    background: linear-gradient(180deg, rgba(245, 165, 36, 0.2), rgba(245, 165, 36, 0.1));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 10px 24px -18px rgba(245, 165, 36, 0.38);
  }
  .nav.scrolled .theme-toggle {
    width: 2.9rem;
    height: 2.9rem;
    margin-left: .25rem;
    border-color: rgba(245, 165, 36, 0.12);
    background: rgba(255, 255, 255, 0.03);
  }
  html[data-theme="light"] .nav.scrolled {
    background:
      linear-gradient(180deg, rgba(255, 250, 240, 0.96), rgba(244, 234, 216, 0.88)),
      rgba(255, 250, 240, 0.94);
    border-color: rgba(183, 112, 20, 0.2);
  }
}
.eyebrow {
  font-size: 1.02rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
  display: inline-flex; align-items: center; gap: .75rem;
}
.eyebrow::before {
  content: ""; width: 32px; height: 1px; background: var(--accent);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6.5vw, 4.7rem);
  font-weight: 700; line-height: 1; letter-spacing: -2px;
  margin-bottom: 1.5rem;
}
.hero-title .accent {
  color: var(--accent);
  position: relative;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: clamp(.98rem, 1.35vw, 1.15rem);
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 2rem;
}
html[data-theme="light"] .hl {
  background: linear-gradient(transparent 70%, rgba(245, 165, 36, 0.28) 70%);
}
.hl {
  color: var(--text); position: relative; padding: 0 .15rem;
  background: linear-gradient(transparent 70%, var(--accent-soft) 70%);
}
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 2rem; }

.btn {
  font-family: var(--font-display); font-weight: 500;
  padding: .76rem 1.35rem; border-radius: 100px;
  font-size: .95rem; cursor: pointer; border: 0;
  transition: transform .25s, box-shadow .25s, background .25s;
  display: inline-flex; align-items: center; gap: .5rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1a1100; box-shadow: var(--shadow-amber);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 25px 50px -10px var(--accent-glow); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-socials { display: flex; gap: 1rem; }
.hero-socials a {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  color: var(--text-dim);
  transition: color .25s, border-color .25s, transform .25s;
}
.hero-socials a:hover {
  color: var(--accent); border-color: var(--accent);
  transform: translateY(-3px);
}
.hero-socials svg { width: 20px; height: 20px; }

.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  width: 24px; height: 40px; border: 2px solid var(--text-dim);
  border-radius: 14px; display: grid; place-items: start center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 3px; height: 8px; background: var(--accent); border-radius: 2px;
  animation: scroll 1.6s infinite;
}
@keyframes scroll {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ============ SECTIONS ============ */
.section {
  max-width: 1040px; margin: 0 auto;
  padding: 4.8rem clamp(1.6rem, 7vw, 6.2rem);
}
.section-head {
  display: flex; align-items: center; gap: 1.5rem;
  margin-bottom: 2.6rem;
}
.section-num {
  font-family: var(--font-display); color: var(--accent);
  font-size: 1rem; letter-spacing: 4px;
  border: 1px solid var(--accent); padding: .25rem .75rem; border-radius: 999px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.9vw, 2.3rem);
  font-weight: 700; letter-spacing: -1px;
}
.section-title .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============ ABOUT ============ */
.about-grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem;
  align-items: start;
}
.about-text p { color: var(--text-dim); margin-bottom: .95rem; font-size: .98rem; text-align: justify; }
.about-text strong { color: var(--text); }
.about-photo {
  width: 240px;
  height: 240px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  border-radius: 24px;
  padding: 6px;
  background-color: var(--surface);
  background-image: linear-gradient(135deg, var(--accent), rgba(255, 203, 107, 0.35));
  box-shadow:
    0 18px 45px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  transition: transform .3s ease, box-shadow .3s ease;
}
.about-photo:hover {
  transform: translateY(-3px);
  box-shadow:
    0 24px 55px -20px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(245, 165, 36, 0.4);
}

.education { margin-top: 3.4rem; }
.education h3 {
  font-family: var(--font-display); font-size: 1.1rem;
  text-transform: uppercase; letter-spacing: 3px;
  color: var(--accent); margin-bottom: 1rem; font-weight: 600;
}
.edu-card {
  display: flex; gap: 1.2rem; padding: 1.4rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.edu-bar { width: 4px; background: linear-gradient(var(--accent), transparent); border-radius: 2px; }
.edu-card h4 { font-family: var(--font-display); font-size: 1.18rem; margin-bottom: .25rem; }
.edu-school { color: var(--text-dim); font-size: 1rem; }
.edu-year { color: var(--muted); font-size: .92rem; margin-top: .25rem; }
.certificates { margin-top: 2.2rem; }
.certificates h3 {
  font-family: var(--font-display); font-size: 1.1rem;
  text-transform: uppercase; letter-spacing: 3px;
  color: var(--accent); margin-bottom: 1rem; font-weight: 600;
}
.cert-list {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem 1.4rem;
}
.cert-list li {
  position: relative; padding: .55rem 0 .55rem 1.2rem;
  color: var(--text-dim); font-size: .98rem;
  border-bottom: 1px dashed var(--border);
}
.cert-list li:last-child { border-bottom: 0; }
.cert-list li::before {
  content: ""; position: absolute; left: 0; top: 1.1rem;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  position: relative; overflow: hidden;
  transition: transform .3s, border-color .3s;
}
.stat::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, var(--accent), transparent);
}
.stat:hover { transform: translateY(-4px); border-color: var(--accent); }
.stat-num {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--accent);
}
.stat-plus {
  font-family: var(--font-display); font-size: 1.5rem; color: var(--accent);
}
.stat p { color: var(--text-dim); font-size: .95rem; margin-top: .25rem; }
.about-approach {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-top: .8rem;
}
.about-approach h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: .9rem;
}
.approach-items {
  display: grid;
  gap: .75rem;
}
.approach-item {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: .9rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.approach-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.approach-item h4 {
  font-family: var(--font-display);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .2rem;
}
.approach-item p {
  color: var(--text-dim);
  font-size: .95rem;
  line-height: 1.5;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
}

/* ============ SKILLS ============ */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem 1.35rem;
  transition: transform .35s, border-color .35s, background .35s;
  position: relative; overflow: hidden;
}
.skill-card::after {
  content: ""; position: absolute; inset: -1px;
  border-radius: var(--radius);
  background: radial-gradient(400px circle at var(--mx,50%) var(--my,50%), var(--accent-soft), transparent 40%);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.skill-card:hover { transform: translateY(-6px); border-color: var(--accent); }
.skill-card:hover::after { opacity: 1; }
.skill-icon {
  font-size: 2rem; margin-bottom: 1rem;
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--accent-soft); display: grid; place-items: center;
}
.skill-card h3 { font-family: var(--font-display); margin-bottom: .5rem; }
.skill-card p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.6;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
}

/* ============ PROJECTS ============ */
.projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.project {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative; overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s, border-color .35s;
}
.project::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.project:hover { transform: translateY(-6px); border-color: var(--accent); }
.project:hover::before { transform: scaleX(1); }
.project-tag {
  display: inline-block; padding: .3rem .75rem;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; font-size: .88rem;
  letter-spacing: 1.5px; text-transform: uppercase;
  font-family: var(--font-display); margin-bottom: 1rem;
}
.project h3 { font-family: var(--font-display); margin-bottom: .65rem; font-size: 1.12rem; }
.project > p {
  color: var(--text-dim);
  margin-bottom: 1.15rem;
  font-size: 1rem;
  line-height: 1.65;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
}
.project-meta { border-top: 1px solid var(--border); padding-top: 1rem; margin-top: auto; }
.project-meta li {
  display: flex; justify-content: space-between;
  padding: .38rem 0; font-size: .95rem; color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.project-meta li:last-child { border-bottom: 0; }
.project-meta span {
  color: var(--muted); text-transform: uppercase; letter-spacing: 2px; font-size: .84rem;
}

/* ============ EXPERIENCE ============ */
.experience-intro {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 66ch;
}
.experience-timeline {
  position: relative;
  display: grid;
  gap: 1.1rem;
}
.experience-timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: .55;
}
.experience-card {
  position: relative;
  margin-left: 2.2rem;
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.35rem;
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.experience-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  box-shadow: 0 12px 30px rgba(0, 0, 0, .22);
}
.experience-dot {
  position: absolute;
  left: -2.2rem;
  top: 1.6rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 25%, transparent);
}
.experience-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .7rem;
}
.experience-role {
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.25;
}
.experience-company {
  color: var(--accent);
  margin-top: .28rem;
  font-size: .98rem;
}
.experience-period {
  white-space: nowrap;
  color: var(--text-dim);
  font-weight: 600;
  font-size: .95rem;
  padding: .22rem .62rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
}
.experience-period-current {
  border-color: rgba(245, 165, 36, 0.2);
  background: rgba(245, 165, 36, 0.04);
}
.experience-summary {
  color: var(--text-dim);
  margin-bottom: .9rem;
  font-size: .92rem;
  text-align: justify;
}
.experience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.experience-tags li {
  font-size: .82rem;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .25rem .6rem;
  background: rgba(255, 255, 255, .02);
}

/* ============ CONTACT ============ */
.contact-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0)),
    linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: clamp(.9rem, 1.6vw, 1.1rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr);
  gap: .85rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 22px 50px -42px rgba(0, 0, 0, 0.8);
}
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px circle at 88% 16%, rgba(245, 165, 36, 0.1), transparent 44%);
  pointer-events: none;
}
.contact-copy,
.contact-list {
  position: relative;
  z-index: 1;
}
.contact-copy {
  padding: .8rem .9rem;
  max-width: 30rem;
}
.contact-card h3 {
  font-family: var(--font-display);
  font-size: clamp(.95rem, 1.28vw, 1.14rem);
  line-height: 1.65;
  margin-bottom: .6rem;
  max-width: none;
  text-align: left;
}
.contact-copy > p {
  color: var(--text-dim);
  font-size: .98rem;
  max-width: none;
  line-height: 1.55;
}

.contact-list {
  position: relative;
  display: grid;
  gap: .7rem;
}
.contact-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: .85rem;
  align-items: center;
  padding: .85rem .95rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.contact-list li:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 165, 36, 0.14);
  background: rgba(245, 165, 36, 0.05);
}
.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(245, 165, 36, 0.1);
  border: 1px solid rgba(245, 165, 36, 0.12);
}
.contact-icon svg {
  width: 20px;
  height: 20px;
}
.contact-item-body {
  min-width: 0;
}
.contact-label {
  display: block;
  font-size: .8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .28rem;
  font-family: var(--font-display);
  font-weight: 600;
}
.contact-list a {
  font-size: clamp(.98rem, 1.15vw, 1.08rem);
  color: var(--text);
  transition: color .25s;
  word-break: break-word;
}
.contact-list a:hover { color: var(--accent); }
html[data-theme="light"] .wa-modal {
  background: rgba(32, 38, 54, 0.28);
}

/* ============ WHATSAPP QR MODAL ============ */
.wa-modal {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(420px circle at 50% 30%, rgba(245, 165, 36, 0.08), transparent 42%),
    rgba(4, 6, 12, 0.72);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .34s ease, backdrop-filter .34s ease, background .34s ease;
  z-index: 1200;
}
.wa-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.wa-modal-card {
  width: min(380px, 92vw);
  background:
    linear-gradient(180deg, rgba(21, 24, 33, 0.9), rgba(15, 17, 24, 0.95)),
    linear-gradient(120deg, rgba(255, 186, 80, 0.12), transparent 60%);
  border: 1px solid var(--accent);
  border-radius: 18px;
  padding: 1.35rem 1.25rem 1.1rem;
  text-align: center;
  position: relative;
  display: grid;
  justify-items: center;
  box-shadow:
    0 24px 60px -28px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(245, 165, 36, 0.18) inset;
  opacity: 0;
  transform: translateY(20px) scale(0.94);
  filter: blur(8px);
  transition:
    transform .42s cubic-bezier(.22, .61, .36, 1),
    opacity .3s ease,
    filter .42s cubic-bezier(.22, .61, .36, 1),
    box-shadow .32s ease;
}
.wa-modal.open .wa-modal-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}
.wa-modal-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: .9rem;
  letter-spacing: .6px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .28s ease .08s, transform .36s cubic-bezier(.22, .61, .36, 1) .08s;
}
.wa-modal-card img {
  width: min(220px, 74vw);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--accent);
  background: #fff;
  padding: .45rem;
  box-shadow:
    0 16px 34px -18px rgba(0, 0, 0, 0.65),
    0 0 0 2px rgba(245, 165, 36, 0.35);
  opacity: 0;
  transform: translateY(14px) scale(.96);
  transition:
    opacity .3s ease .14s,
    transform .42s cubic-bezier(.22, .61, .36, 1) .14s;
}
.wa-modal-card p {
  margin-top: .85rem;
  color: var(--text-dim);
  font-size: .96rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .28s ease .2s, transform .36s cubic-bezier(.22, .61, .36, 1) .2s;
}
.wa-modal.open .wa-modal-card h3,
.wa-modal.open .wa-modal-card p {
  opacity: 1;
  transform: translateY(0);
}
.wa-modal.open .wa-modal-card img {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.wa-close {
  position: absolute;
  top: .65rem;
  right: .65rem;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-6px) scale(.92);
  transition:
    color .22s,
    border-color .22s,
    background .22s,
    transform .22s,
    opacity .24s ease .1s;
}
.wa-modal.open .wa-close {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.wa-close:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(245, 165, 36, 0.12);
  transform: rotate(90deg);
}

/* ============ FOOTER ============ */
.footer {
  position: relative;
  text-align: center;
  padding: .8rem 1rem .95rem;
  border-top: 1px solid rgba(245, 165, 36, 0.16);
  color: var(--text-dim);
  font-size: .84rem;
  letter-spacing: .45px;
  background:
    radial-gradient(520px circle at 50% 0%, rgba(245, 165, 36, 0.12), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.005) 72%);
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(680px, 82vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 165, 36, 0.85), transparent);
  opacity: .85;
  pointer-events: none;
}
.footer p {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  margin: 0 auto;
  padding: .48rem .95rem;
  border: 1px solid color-mix(in srgb, var(--border) 72%, var(--accent) 28%);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.015)),
    rgba(22, 22, 26, 0.62);
  box-shadow:
    0 18px 48px -34px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  opacity: .96;
}
.footer p::before {
  content: "";
  width: .48rem;
  height: .48rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
}
html[data-theme="light"] .footer {
  color: var(--text-dim);
  border-top-color: rgba(183, 112, 20, 0.2);
  background:
    radial-gradient(520px circle at 50% 0%, rgba(245, 165, 36, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(255, 250, 240, 0.52), rgba(244, 234, 216, 0.18) 72%);
}
html[data-theme="light"] .footer p {
  color: var(--text);
  border-color: rgba(183, 112, 20, 0.26);
  background:
    linear-gradient(135deg, rgba(255, 250, 240, 0.94), rgba(244, 234, 216, 0.86)),
    rgba(255, 250, 240, 0.92);
  box-shadow:
    0 14px 36px -26px rgba(75, 54, 28, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}
.footer-sub { color: var(--muted); font-size: .98rem; margin-top: .35rem; }

/* ============ Reveal Animation (only when JS is enabled) ============ */
html.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
html.js .reveal.visible { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px) {
  .nav {
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    padding: .7rem .95rem;
    justify-content: space-between;
    overflow: visible;
  }
  .brand {
    font-size: 1.45rem;
  }
  .theme-toggle { margin-left: auto; margin-right: .8rem; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    z-index: 60;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
      rgba(11, 11, 13, 0.96);
    backdrop-filter: blur(18px);
    flex-direction: column;
    gap: .1rem;
    padding: .75rem 1rem 1rem;
    border-top: 1px solid rgba(245, 165, 36, 0.08);
    border-bottom: 1px solid rgba(245, 165, 36, 0.12);
    border-radius: 0;
    box-shadow: 0 18px 36px -24px rgba(0, 0, 0, 0.9);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(-.75rem);
    transition:
      opacity .24s ease,
      transform .3s ease,
      visibility 0s linear .3s;
  }
  .nav.open .nav-links,
  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateY(0);
    transition:
      opacity .24s ease,
      transform .3s ease,
      visibility 0s;
  }
  .nav-links li { width: 100%; text-align: center; }
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .82rem 1rem;
    width: 100%;
  }
  html[data-theme="light"] .nav-links {
    background:
      linear-gradient(180deg, rgba(255, 250, 240, 0.92), rgba(244, 234, 216, 0.84)),
      rgba(255, 250, 240, 0.94);
  }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-card {
    grid-template-columns: 1fr;
    gap: .75rem;
    padding: .85rem;
    border-radius: 20px;
  }
  .contact-copy {
    padding: .72rem .8rem;
  }
  .contact-card h3 {
    max-width: none;
  }
  .hero-inner { padding: 6.7rem 0 2.2rem; padding-left: 0; }
  .section { padding-top: 4.4rem; padding-bottom: 4.4rem; }
  .experience-card { margin-left: 1.8rem; }
  .experience-dot { left: -1.8rem; }
  .experience-top { flex-direction: column; gap: .45rem; }
  .experience-period { white-space: normal; width: fit-content; }
  .scroll-cue { display: none; }
}

@media (max-width: 640px) {
  .projects { grid-template-columns: 1fr; }
  .footer p {
    width: min(100%, 25rem);
    padding-inline: .95rem;
    line-height: 1.45;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-inline: 1.15rem;
  }
  .eyebrow {
    gap: .55rem;
    font-size: .82rem;
    letter-spacing: 1.2px;
  }
  .eyebrow::before {
    width: 20px;
    flex: 0 0 auto;
  }
  .hero-title {
    letter-spacing: 0;
  }
  .section {
    padding-inline: 1.15rem;
  }
  .section-head {
    gap: .8rem;
    align-items: flex-start;
  }
  .section-num {
    letter-spacing: 2px;
    padding-inline: .6rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat,
  .project,
  .skill-card,
  .experience-card {
    padding: 1.15rem;
  }
  .contact-list li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: .7rem;
    padding: .75rem;
  }
  .contact-icon {
    width: 40px;
    height: 40px;
  }
}