/* ==========================================================================
   layout.css — nav, hero, sections, page-level layout
   ========================================================================== */

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
  border-bottom: 1px solid transparent;
  transition:
    background 0.4s,
    border-color 0.4s,
    transform 0.5s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(7, 8, 12, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav.is-hidden {
  transform: translateY(-100%);
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}
.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 0.15rem;
}
.nav__links a {
  position: relative;
  display: block;
  padding: 0.5rem 0.8rem;
  font-size: 0.88rem;
  color: var(--muted);
  border-radius: 999px;
  transition: color 0.3s;
}
.nav__links a:hover,
.nav__links a.is-active {
  color: var(--text);
}
.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
  box-shadow: 0 0 10px var(--accent);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav__burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.nav__burger span {
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.4s var(--ease-out);
}
.nav.is-open .nav__burger span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}
.nav.is-open .nav__burger span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .nav__burger {
    display: flex;
  }
  .nav__cta {
    display: none;
  }
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    z-index: 100;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem 1.75rem;
    background: rgba(7, 8, 12, 0.97);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition:
      opacity 0.35s,
      transform 0.45s var(--ease-out),
      visibility 0.35s;
  }
  .nav.is-open .nav__links {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav.is-open {
    background: rgba(7, 8, 12, 0.97);
  }
  .nav__links a {
    font-size: 1.05rem;
    padding: 0.8rem 0.5rem;
  }
  .nav__links a.is-active::after {
    left: auto;
    right: 0.5rem;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
  }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: transparent;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
}
.hero__inner {
  padding-block: 4rem;
}
.hero__title {
  font-size: clamp(3.2rem, 11vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin: 1.4rem 0 1.2rem;
  color: #f3f4f7;
  text-shadow: 0 0 60px rgba(var(--glow), 0.12);
}
.hero__alias {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-2);
}
.hero__lead {
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--muted);
  margin: 1.25rem 0 2.25rem;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.hero__social {
  display: flex;
  gap: 0.6rem;
  margin-top: 2.5rem;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  z-index: 5;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 0.25s var(--ease-out);
}
.scroll-cue:hover {
  color: var(--accent);
}
.scroll-cue__mouse {
  width: 26px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 14px;
  position: relative;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.35),
    0 0 18px rgba(var(--glow), 0.25);
  background: rgba(7, 8, 12, 0.45);
  transition:
    border-color 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}
.scroll-cue:hover .scroll-cue__mouse {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.35),
    0 0 22px rgba(var(--glow), 0.45);
}
.scroll-cue__mouse span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 9px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(var(--glow), 0.7);
  animation: scrollDot 1.8s var(--ease-out) infinite;
}

/* ---------- SECTIONS ---------- */
.section {
  position: relative;
  background: transparent;
  padding-block: clamp(5rem, 13vh, 9rem);
}

/* ---------- ABOUT ---------- */
.about {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.about__text p {
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  color: var(--text-2);
  margin-bottom: 1.1rem;
}
.about__text p:first-child {
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  color: var(--text);
  line-height: 1.5;
}
.about__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.about__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.about__meta .icon {
  color: var(--accent);
}

@media (max-width: 900px) {
  .about {
    grid-template-columns: 1fr;
  }
  .about__photo {
    max-width: 340px;
  }
}

/* ---------- SKILLS ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

/* ---------- JOURNEY ---------- */
.timeline {
  position: relative;
  max-width: 880px;
  padding-left: 2.5rem;
}

/* ---------- PROJECTS ---------- */
.projects {
  position: relative;
  background: transparent;
  padding-block: clamp(5rem, 13vh, 9rem);
}
.projects__pin {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background: transparent;
}
.projects__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.projects__head .section-head {
  margin-bottom: 0;
  flex: 1;
}
.projects__hint {
  display: none;
  color: var(--dim);
  font-size: 0.78rem;
  white-space: nowrap;
}
.projects__hint span {
  display: inline-block;
  animation: nudge 1.6s ease-in-out infinite;
}

.projects__track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Desktop horizontal mode (class toggled by scroll-fx.js) */
.projects.is-horizontal {
  padding-block: 0;
}
.projects.is-horizontal .projects__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.projects.is-horizontal .projects__hint {
  display: inline-block;
}
.projects.is-horizontal .projects__track {
  display: flex;
  width: max-content;
  margin: 0;
  gap: 2rem;
  padding-inline: max(1.25rem, calc((100vw - var(--container)) / 2));
  will-change: transform;
}

/* ---------- ACHIEVEMENTS ---------- */
.stack {
  display: flex;
  flex-direction: column;
  gap: 6vh;
  max-width: 880px;
  margin-inline: auto;
  padding-bottom: 8vh;
}

/* ---------- RESUME ---------- */
.resume {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .resume {
    grid-template-columns: 1fr;
  }
}

/* ---------- CONTACT ---------- */
.contact {
  background: transparent;
  text-align: center;
  padding-block: clamp(7rem, 18vh, 12rem);
}
.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact__title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  letter-spacing: -0.04em;
  max-width: 14ch;
  margin: 1rem 0 1.5rem;
}
.contact__lead {
  max-width: 52ch;
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}
.contact__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
.contact__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* ---------- FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--dim);
  font-size: 0.85rem;
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}