/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #0f1115;
  color: #c9cdd6;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg:          #0f1115;
  --bg-card:     #161a21;
  --bg-card-hover: #1c2029;
  --border:      #252a34;
  --border-hover:#353d4d;
  --text-primary: #e8eaf0;
  --text-secondary: #8b909e;
  --text-muted:  #555b6a;
  --accent:      #c8860a;       /* single, restrained accent */
  --accent-dim:  rgba(200,134,10,.12);
  --radius:      12px;
  --radius-sm:   6px;
  --transition:  0.22s ease;
  --shadow:      0 4px 24px rgba(0,0,0,.45);
  --shadow-card: 0 2px 16px rgba(0,0,0,.35);
  --max-w:       860px;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: 56px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.section__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: 18px;
  background: rgba(15, 17, 21, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.nav__logo:hover {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text-primary);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 64px;
}

.hero__inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero__text {
  flex: 1;
}

.hero__gif {
  flex-shrink: 0;
  width: clamp(90px, 10vw, 150px);
}

.hero__gif img {
  width: 100%;
  height: auto;
  display: block;
  transition: filter 0.3s ease;
}

.hero__gif img:hover {
  filter:
    drop-shadow(0 0 6px rgba(200, 134, 10, 0.7))
    drop-shadow(0 0 18px rgba(200, 134, 10, 0.35));
}

/* Profile image */
.hero__avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Text block */
.hero__eyebrow {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 400;
}

.hero__name {
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 10px;
}

.hero__title {
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.75;
}

/* CTA buttons */
.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn--outline:hover {
  background: var(--accent-dim);
}

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(255,255,255,.03);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  border-top: 1px solid var(--border);
}

.about__body p {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 18px;
  max-width: 680px;
}

.about__body p:last-of-type {
  margin-bottom: 28px;
}

/* ============================================================
   SKILL / PROJECT TAGS
   ============================================================ */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  letter-spacing: 0.02em;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects {
  border-top: 1px solid var(--border);
}

.projects__list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* ============================================================
   VIDEO SWITCHER (landscape project cards)
   ============================================================ */

/* Wrapper — just positions the nav bar over the video */
.vswitcher {
  position: relative;
  background: #000;
}

/* Full-width 16:9 video — no wrapper tricks */
.vswitcher__video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Nav bar — prev / counter / next — sits at TOP of video */
.vswitcher__bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 14px;
  background: linear-gradient(rgba(0,0,0,.55), transparent);
}

.vswitcher__btn {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  background: rgba(0,0,0,.5);
  color: #fff;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.vswitcher__btn:hover {
  background: rgba(0,0,0,.9);
}

.vswitcher__counter {
  font-size: 0.75rem;
  color: rgba(255,255,255,.8);
  font-weight: 500;
  min-width: 32px;
  text-align: center;
}

/* ── Sub-label between landscape and portrait groups ── */
.projects__sub-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 72px;
  margin-bottom: 28px;
}

/* ── Portrait / Mobile grid — 3 columns, large videos ── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ── Project Card (shared) ── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

/* 16:9 landscape video wrapper */
.project-card__media--landscape {
  position: relative;
  width: 100%;
  background: #0a0c10;
  overflow: visible;
}

/* 9:16 portrait video wrapper — fixed height so video is large and watchable */
.project-card__media--portrait {
  position: relative;
  width: 100%;
  height: 780px;
  background: #0a0c10;
  overflow: hidden;
}

/* fallback for cards without modifier (backward compat) */
.project-card__media {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #0a0c10;
}

.project-card__media iframe,
.project-card__media video,
.project-card__media--landscape iframe,
.project-card__media--landscape video,
.project-card__media--portrait iframe,
.project-card__media--portrait video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Portrait videos fill the frame — no black bars */
.project-card__media--portrait video {
  object-fit: cover;
  object-position: center;
}

/* ── Expand button on portrait cards ── */
.expand-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}

.project-card__media--portrait:hover .expand-btn {
  opacity: 1;
}

.expand-btn:hover {
  background: rgba(0,0,0,.85);
}

/* ============================================================
   VIDEO OVERLAY MODAL
   ============================================================ */
.video-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.video-overlay.active {
  display: flex;
}

.video-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.88);
  cursor: pointer;
}

.video-overlay__frame {
  position: relative;
  z-index: 1;
  /* 9:16 portrait — tall and narrow, max 90vh height */
  height: 90vh;
  width: calc(90vh * 9 / 16);
  max-width: 96vw;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
}

.video-overlay__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.video-overlay__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 6px;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.video-overlay__close:hover {
  background: rgba(0,0,0,.9);
}

/* Portrait card body — tighter padding since cards are narrower */
.project-card--portrait .project-card__body {
  padding: 16px 18px 20px;
}

.project-card--portrait .project-card__title {
  font-size: 0.95rem;
}

.project-card--portrait .project-card__desc {
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.project-card__body {
  padding: 28px 32px 32px;
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   FADE-IN ON SCROLL ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  border-top: 1px solid var(--border);
}

.contact__desc {
  font-size: 0.975rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  width: fit-content;
}

.contact__link:hover {
  color: var(--text-primary);
}

.contact__link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.contact__link:hover .contact__link-icon {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 28px;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ============================================================
   RESPONSIVE — TABLET & MOBILE
   ============================================================ */

/* Tablet: 2 columns */
@media (max-width: 900px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .project-card__media--portrait {
    height: 560px;
  }
}

/* Small tablet: 2 columns, shorter */
@media (max-width: 600px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .project-card__media--portrait {
    height: 400px;
  }
}

@media (max-width: 640px) {
  .section {
    padding-block: 64px;
  }

  .nav__links {
    gap: 20px;
  }

  .hero__name {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .project-card__body {
    padding: 20px 20px 24px;
  }

  .hero__links {
    gap: 10px;
  }

  .btn {
    padding: 9px 18px;
  }

  /* Mobile: portrait grid 1 column */
  .projects__grid {
    grid-template-columns: 1fr;
  }
  .project-card__media--portrait {
    height: 600px;
  }
}

@media (max-width: 400px) {
  .nav__links {
    gap: 14px;
  }

  .nav__links a {
    font-size: 0.8rem;
  }
}