/* Modern portfolio redesign */

:root {
  --ff: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);

  --container: 1120px;
  --gap: clamp(16px, 2.3vw, 28px);

  --bg: #0b1220;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --faint: rgba(255, 255, 255, 0.55);
  --accent: #7c5cff;
  --accent-2: #22d3ee;

  --focus: 0 0 0 3px rgba(124, 92, 255, 0.35);
}

body[data-theme="light"] {
  --bg: #f6f7fb;
  --surface: rgba(10, 15, 25, 0.04);
  --surface-2: rgba(10, 15, 25, 0.08);
  --border: rgba(10, 15, 25, 0.12);
  --text: rgba(10, 15, 25, 0.92);
  --muted: rgba(10, 15, 25, 0.7);
  --faint: rgba(10, 15, 25, 0.55);
  --shadow: 0 18px 60px rgba(20, 25, 35, 0.15);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--ff);
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

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

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% 10%, rgba(124, 92, 255, 0.22), transparent 55%),
              radial-gradient(900px 700px at 90% 10%, rgba(34, 211, 238, 0.14), transparent 55%),
              var(--bg);
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  z-index: 999;
}
.skip-link:focus { transform: translateY(0); box-shadow: var(--focus); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-left: 12px;
}
.brand-text {
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav { display: flex; align-items: center; gap: 12px; position: relative; margin-right: 12px; }
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.nav-toggle:focus-visible { outline: none; box-shadow: var(--focus); }
.nav-toggle ion-icon { font-size: 20px; }

.nav-links {
  display: none;
  align-items: center;
  gap: 8px;
}
.nav-links.is-open { display: flex; }

@media (max-width: 899.98px) {
  .header-inner { align-items: flex-start; }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    min-width: min(260px, calc(100vw - 36px));
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    background: color-mix(in srgb, var(--bg) 92%, var(--surface));
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
    z-index: 60;
  }

  .nav-link { padding: 10px 12px; }
}

.nav-link {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link:focus-visible { outline: none; box-shadow: var(--focus); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.theme-toggle:hover { background: var(--surface-2); }
.theme-toggle:focus-visible { outline: none; box-shadow: var(--focus); }
.theme-toggle ion-icon { font-size: 18px; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; }
}

/* Hero */
.hero { padding: clamp(34px, 5vw, 64px) 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.3fr 0.7fr; }
  .hero-content { grid-column: 1; grid-row: 1; }
  .hero-card { grid-column: 2; grid-row: 1; }
}

.kicker {
  margin: 0 0 10px 0;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}
.hero-title {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.03em;
}
.accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtitle {
  margin: 14px 0 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  max-width: 62ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 500;
  transition: transform 160ms ease, background 160ms ease;
}
.btn ion-icon { font-size: 18px; }
.btn:hover { background: var(--surface-2); transform: translateY(-1px); }
.btn:focus-visible { outline: none; box-shadow: var(--focus); }

.btn-primary {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 40%, transparent), var(--surface));
  width: fit-content;
}
.btn-ghost { background: transparent; }

.hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 18px 0 0 0;
  padding: 0;
}
.meta-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.meta-item dt { color: var(--faint); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.meta-item dd { margin: 4px 0 0 0; color: var(--text); }
.meta-item a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); }

.hero-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.avatar {
  margin: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  background: radial-gradient(600px 260px at 50% 0%, rgba(124, 92, 255, 0.25), transparent 60%);
}
.avatar img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.hero-card-body { padding: 16px 18px 18px; }
.hero-card-title { margin: 0; color: var(--faint); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.hero-card-line { margin: 6px 0 12px 0; }

/* Sections */
.section { padding: clamp(34px, 5vw, 64px) 0; }
.section { scroll-margin-top: 0; }
.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.section-title {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.02em;
}
.section-subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}
@media (min-width: 900px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.card-title {
  margin: 0 0 12px 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.card-title ion-icon { font-size: 18px; color: color-mix(in srgb, var(--accent) 65%, var(--text)); }

.prose p {
  margin: 0 0 12px 0;
  color: var(--muted);
  line-height: 1.8;
}
.prose p:last-child { margin-bottom: 0; }

/* Services */
.service-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.service {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}
.service ion-icon {
  font-size: 35px;
  color: color-mix(in srgb, var(--accent) 70%, var(--text));
  opacity: 0.95;
  align-self: start;
}
.service-title { margin: 0; font-weight: 600; }
.service-text { margin: 6px 0 0 0; color: var(--muted); line-height: 1.6; font-size: 14px; }

@media (min-width: 900px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
}

/* Timeline */
.timeline {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.timeline-item {
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}
.timeline-title { margin: 0; font-weight: 600; }
.timeline-meta { margin: 6px 0 0 0; color: var(--muted); line-height: 1.6; }
.timeline-meta span { color: color-mix(in srgb, var(--accent) 50%, var(--muted)); }
.timeline-text { margin: 8px 0 0 0; color: var(--muted); line-height: 1.7; font-size: 14px; }

/* Projects */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin: 12px 0 16px 0;
}
.select-label {
  color: color-mix(in srgb, var(--text) 90%, var(--muted));
  font-size: 14px;
  font-weight: 500;
}
.project-filter {
  position: relative;
  width: 100%;
  min-width: 0;
  max-width: min(320px, 100%);
}

.filter-trigger {
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  text-align: left;
  padding: 10px 38px 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 92%, var(--surface));
  color: var(--text);
  cursor: pointer;
}
.filter-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 160ms ease;
}
.project-filter.is-open .filter-trigger::after {
  transform: translateY(-35%) rotate(-135deg);
}
.filter-trigger:focus-visible { outline: none; box-shadow: var(--focus); }
.filter-trigger:hover { background: var(--surface); }

.filter-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  left: 0;
  margin: 0;
  padding: 10px;
  list-style: none;
  display: grid;
  gap: 6px;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 92%, var(--surface));
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  z-index: 40;
}
.filter-menu[hidden] { display: none !important; }

.filter-option {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
  background: transparent;
}
.filter-option:hover {
  color: var(--text);
  background: var(--surface);
}
.filter-option:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.filter-option.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

@media (max-width: 899.98px) {
  .toolbar {
    justify-content: flex-start;
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    width: 100%;
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    background: color-mix(in srgb, var(--bg) 92%, var(--surface));
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  }

  .toolbar > * {
    max-width: 100%;
  }

  .project-filter {
    max-width: 100%;
  }
}

.project-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 700px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1050px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  transition: transform 160ms ease, background 160ms ease;
}
.project-card a { display: grid; height: 100%; }
.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.project-body {
  padding: 14px;
  display: grid;
  gap: 8px;
}
.project-title { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
.project-meta {
  margin: 0;
  color: color-mix(in srgb, var(--accent-2) 40%, var(--muted));
  font-size: 13px;
  letter-spacing: 0.01em;
}
.project-summary,
.project-impact {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}
.project-impact {
  padding-top: 8px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.project-impact strong {
  color: var(--text);
}
.project-card:hover { transform: translateY(-2px); background: var(--surface-2); }
.project-card:focus-within { box-shadow: var(--focus); }
.project-card[hidden] { display: none !important; }

/* Chips */
.chips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  color: var(--muted);
  font-size: 14px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
  cursor: default;
}

.chip:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 18%, var(--surface)),
    color-mix(in srgb, var(--accent-2) 10%, var(--surface))
  );
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  color: var(--text);
}

.chip:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* Contact */
.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.contact-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}
.contact-list ion-icon { font-size: 18px; color: color-mix(in srgb, var(--accent) 70%, var(--text)); }
.contact-list a { text-decoration: underline; text-underline-offset: 3px; color: var(--text); }

.contact-actions { margin-top: 12px; }

.form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field-label { color: var(--muted); font-size: 14px; }
.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}
.input:focus-visible { outline: none; box-shadow: var(--focus); }
.textarea { min-height: 120px; resize: vertical; }
.fineprint { margin: 0; color: var(--faint); font-size: 12px; line-height: 1.6; }

.turnstile-wrap {
  min-height: 66px;
}

/* Quick message popup */
.form-popup {
  position: fixed;
  right: 16px;
  bottom: 74px;
  width: min(440px, calc(100% - 32px));
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.35),
    0 2px 12px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

.form-popup[hidden] { display: none !important; }

.form-popup strong {
  display: block;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.form-popup p {
  margin: 4px 0 0 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.form-popup ion-icon {
  font-size: 18px;
  margin-top: 2px;
}

.form-popup.is-success {
  border-color: color-mix(in srgb, var(--accent-2) 55%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent-2) 16%, var(--surface)),
    color-mix(in srgb, var(--accent) 10%, var(--surface))
  );
}

.form-popup.is-success ion-icon { color: color-mix(in srgb, var(--accent-2) 80%, var(--text)); }

.form-popup.is-error {
  border-color: color-mix(in srgb, #fb7185 55%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #fb7185 14%, var(--surface)),
    color-mix(in srgb, var(--accent) 10%, var(--surface))
  );
}

.form-popup.is-error ion-icon { color: color-mix(in srgb, #fb7185 80%, var(--text)); }

/* Footer */
.footer {
  padding: 28px 0 40px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer p { margin: 0; color: var(--muted); }
.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease, background 160ms ease;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.to-top:hover { background: var(--surface-2); }
.to-top:focus-visible { outline: none; box-shadow: var(--focus); }