:root {
  --navy: #071a2d;
  --navy2: #123f69;
  --blue: #1463ff;
  --teal: #1bc1cf;
  --green: #25d366;
  --ink: #172230;
  --muted: #5e7182;
  --line: #dce6ef;
  --soft: #f3f7fb;
  --card: #fff;
  --bg: #fff;
  --shadow: 0 16px 44px rgba(7, 31, 54, 0.09);
}

[data-theme="dark"] {
  --ink: #eef6fc;
  --muted: #a9bdcc;
  --line: #29465f;
  --soft: #102b43;
  --card: #10263a;
  --bg: #071725;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
}

/* Smooth Theme Transitions */
body, section, nav, .card, button, input, .panel, .tab, .assistant-panel, footer, .btn, .tag {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
  color: color-mix(in srgb, var(--blue) 80%, black);
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  background: #fff;
  color: #111;
  padding: 10px;
  z-index: 100;
}

.wrap {
  max-width: 1180px;
  margin: auto;
  padding: 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 850;
  font-size: .76rem;
  color: var(--teal);
}

.hero {
  min-height: 88vh;
  display: grid;
  align-items: center;
  background: radial-gradient(circle at 83% 18%, #2b8eaa55, transparent 32%),
              linear-gradient(135deg, var(--navy), var(--navy2));
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: .98;
  letter-spacing: -.055em;
  margin: 10px 0 18px;
}

.hero h1 span {
  color: #65dce4;
}

.hero p {
  max-width: 800px;
  color: #d9e8f3;
  font-size: 1.16rem;
}

.snapshot {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.snapshot:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.25);
}

.snapshot h2, .snapshot-title {
  font-size: 1.35rem !important;
  margin-top: 0 !important;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.snapshot-grid div {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 14px;
  transition: background-color 0.2s ease;
}

.snapshot-grid div:hover {
  background: rgba(255, 255, 255, 0.08);
}

.snapshot strong {
  display: block;
  font-size: 1.55rem;
  color: #75e2e9;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-radius: 10px;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  font: inherit;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.1), background-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

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

.primary {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.primary:hover {
  background-color: var(--soft);
  box-shadow: 0 6px 18px rgba(255, 255, 255, 0.25);
}

.teal {
  background: var(--teal);
  color: #062e35;
  box-shadow: 0 4px 12px rgba(27, 193, 207, 0.2);
}

.teal:hover {
  background-color: #24d2e0;
  box-shadow: 0 6px 18px rgba(27, 193, 207, 0.3);
}

.ghost {
  border: 1px solid #9db7cc;
  color: #fff;
  background: transparent;
}

.ghost:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.wa {
  background: var(--green);
  color: #06250d;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.wa:hover {
  background-color: #2ee675;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.3);
}

nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 91%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

nav .wrap {
  display: flex;
  align-items: center;
  gap: 19px;
  overflow: auto;
  padding-top: 13px;
  padding-bottom: 13px;
}

.brand {
  font-weight: 900;
  color: var(--ink);
  white-space: nowrap;
}

.navlinks {
  display: flex;
  gap: 17px;
}

.navlinks a {
  font-size: .91rem;
  font-weight: 750;
  color: var(--ink);
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
}

.navlinks a:hover {
  color: var(--blue);
  text-decoration: none;
  transform: translateY(-1px);
}

.spacer {
  margin-left: auto;
}

.theme {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.2s ease;
}

.theme:hover {
  transform: scale(1.05) rotate(12deg);
  border-color: var(--blue);
}

section {
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -.04em;
  line-height: 1.08;
  margin: 4px 0 12px;
}

.lead {
  max-width: 880px;
  color: var(--muted);
  font-size: 1.06rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.25s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(7, 31, 54, 0.12);
  border-color: color-mix(in srgb, var(--line) 70%, var(--blue));
}

[data-theme="dark"] .card:hover {
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.4);
}

.span3 {
  grid-column: span 3;
}

.span4 {
  grid-column: span 4;
}

.span6 {
  grid-column: span 6;
}

.metric {
  font-size: 2rem;
  font-weight: 900;
  color: var(--blue);
}

.muted {
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin: 23px 0;
}

.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 9px 13px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 750;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.tab:hover {
  transform: translateY(-1px);
  border-color: var(--blue);
}

.tab.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.panel {
  display: none;
}

.panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.project h3 {
  margin-top: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 5px 9px;
  border-radius: 999px;
  font-size: .82rem;
  display: inline-block;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.tag:hover {
  background-color: var(--teal);
  color: #062e35;
  border-color: var(--teal);
  transform: scale(1.05);
}

.demo-link {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.3s ease;
}

.demo-link:hover {
  transform: translateY(-4px);
  text-decoration: none;
  box-shadow: 0 24px 54px rgba(7, 31, 54, 0.16);
}

.demo-frame {
  display: block;
  width: 100%;
  height: 520px;
  border: 0;
  pointer-events: none;
}

.demo-overlay {
  position: absolute;
  right: 18px;
  bottom: 18px;
  background: var(--teal);
  color: #062e35;
  font-weight: 900;
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease;
  z-index: 2;
}

.demo-link:hover .demo-overlay {
  transform: scale(1.05);
}

.demo-link-anchor {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
}

.skill {
  margin: 15px 0;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 750;
}

.bar {
  height: 10px;
  border-radius: 999px;
  background: var(--soft);
  overflow: hidden;
}

.fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Width Utility Classes (to avoid inline style errors) */
.w-91 { width: 91%; }
.w-92 { width: 92%; }
.w-90 { width: 90%; }
.w-83 { width: 83%; }
.w-86 { width: 86%; }
.w-87 { width: 87%; }
.w-76 { width: 76%; }

.timeline {
  border-left: 3px solid var(--line);
  padding-left: 24px;
}

.role {
  position: relative;
  padding: 18px 0;
}

.role:before {
  content: "";
  position: absolute;
  left: -33px;
  top: 27px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px var(--bg);
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.role:hover:before {
  transform: scale(1.25);
  background-color: var(--blue);
}

.role h3 {
  margin: 0;
}

.meta {
  color: var(--muted);
  font-weight: 750;
}

.cv-grid button {
  width: 100%;
  height: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 14px;
  padding: 17px;
  cursor: pointer;
  transition: border-color 0.25s ease, transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.1), box-shadow 0.25s ease;
}

.cv-grid button:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(7, 31, 54, 0.08);
}

.cv-grid strong {
  display: block;
}

.qr {
  display: flex;
  align-items: center;
  gap: 22px;
}

.qr img {
  width: 180px;
  height: 180px;
  border: 10px solid #fff;
  border-radius: 14px;
}

address {
  font-style: normal;
}

.assistant {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
}

.assistant-toggle {
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 14px 38 rgba(0, 0, 0, 0.3);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease;
}

.assistant-toggle:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}

.assistant-panel {
  display: block !important;
  position: absolute;
  right: 0;
  bottom: 70px;
  width: min(390px, 90vw);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 17px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(15px) scale(0.95);
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.1), visibility 0.25s;
}

.assistant-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.assistant-panel input {
  width: 100%;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.2s ease;
}

.assistant-panel input:focus {
  outline: none;
  border-color: var(--blue);
}

.quick {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 10px 0;
}

.quick button {
  border: 1px solid var(--line);
  background: var(--soft);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 9px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.quick button:hover {
  background-color: var(--blue);
  color: #fff;
  border-color: var(--blue);
  transform: translateY(-1px);
}

.answer {
  min-height: 62px;
  color: var(--muted);
  font-size: .93rem;
  transition: opacity 0.2s ease;
}

.answer.typing {
  font-style: italic;
  opacity: 0.7;
  animation: pulse 1s infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.5; }
  to { opacity: 0.9; }
}

footer {
  background: var(--navy);
  color: #fff;
  padding: 44px 0;
}

footer a {
  color: #bed9ff;
}

.impact-strip {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.impact-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.impact-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(7, 31, 54, 0.08);
}

.impact-value {
  display: block;
  font-size: 1.75rem;
  line-height: 1;
  font-weight: 900;
  color: var(--blue);
  margin-bottom: 7px;
}

.impact-label {
  font-size: .84rem;
  color: var(--muted);
  font-weight: 700;
}

.impact-focus {
  color: var(--teal);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1000px) {
  .impact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 620px) {
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .span3, .span4, .span6 {
    grid-column: span 12;
  }
  .navlinks {
    display: none;
  }
  .demo-frame {
    height: 420px;
  }
  .qr {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

@media print {
  nav, .actions, .assistant, .demo-link, footer, .no-print {
    display: none !important;
  }
  .hero {
    min-height: auto;
    background: #fff;
    color: #111;
    padding: 28px 0;
  }
  .hero p {
    color: #333;
  }
  .snapshot {
    display: none;
  }
  section {
    padding: 28px 0;
  }
  .card {
    box-shadow: none;
  }
  .wrap {
    max-width: 100%;
    padding: 0 18px;
  }
  body {
    background: #fff;
    color: #111;
  }
}