/* ═══════════════════════════════════════════════════════════════
   ANUSHRI DUBEY — PORTFOLIO
   Styles organized by section. Edit CSS variables below to
   change the entire palette. Add new sections by following
   the existing patterns.
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root {
  /* Palette */
  --color-ink:         #0a0a12;
  --color-ink-soft:    #13131f;
  --color-navy:        #1a1a2e;
  --color-slate:       #4a5568;
  --color-muted:       #8892a8;
  --color-ghost:       #c4cce0;
  --color-light:       #f0ede8;
  --color-warm:        #f7f4ef;
  --color-paper:       #faf8f5;
  --color-white:       #ffffff;
  --color-accent:      #d4673b;
  --color-accent-soft: #e8734a;
  --color-accent-bg:   rgba(212, 103, 59, 0.08);
  --color-blue:        #3a5ccc;
  --color-blue-bg:     rgba(58, 92, 204, 0.06);

  /* Typography */
  --font-display:  'Instrument Serif', Georgia, serif;
  --font-body:     'Satoshi', 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --space-3xl:  8rem;

  /* Layout */
  --container-max:    1140px;
  --container-narrow: 720px;

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --duration:  0.6s;

  /* Nav */
  --nav-height: 64px;
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-navy);
  background: var(--color-paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

ul { list-style: none; }

strong { font-weight: 600; }

::selection {
  background: var(--color-accent);
  color: var(--color-white);
}


/* ── LAYOUT ───────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section--light {
  background: var(--color-paper);
}

.section--warm {
  background: var(--color-warm);
}

.section--dark {
  background: var(--color-ink);
  color: var(--color-white);
}


/* ── SECTION SHARED ───────────────────────────────────────── */
.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__label--light {
  color: var(--color-accent-soft);
}

.section__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: var(--space-xl);
}

.section__heading em {
  font-style: italic;
  color: var(--color-accent);
}

.section__heading--light {
  color: var(--color-white);
}

.section__heading--light em {
  color: var(--color-accent-soft);
}


/* ── REVEAL ANIMATION ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}


/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  z-index: 100;
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.nav.scrolled {
  background: rgba(10, 10, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: color 0.3s var(--ease-out);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav__link--cta {
  color: var(--color-ink);
  background: var(--color-accent-soft);
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.3s var(--ease-out), transform 0.2s var(--ease-out);
}

.nav__link--cta:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav__burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.active span:nth-child(2) { opacity: 0; }
.nav__burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 18, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 2rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s;
}

.mobile-menu__link:hover {
  color: var(--color-accent-soft);
}


/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--color-ink);
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-lg);
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  margin-bottom: var(--space-sm);
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: var(--space-md);
}

.hero__name em {
  font-style: italic;
  color: rgba(255,255,255,0.35);
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-muted);
  max-width: 540px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero__scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent-soft), transparent);
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50%      { opacity: 1;   transform: scaleY(1); }
}


/* ── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  transition: background 0.3s var(--ease-out),
              transform 0.2s var(--ease-out),
              box-shadow 0.3s var(--ease-out);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 103, 59, 0.25);
}

.btn--ghost {
  background: transparent;
  color: var(--color-muted);
  border: 1px solid rgba(255,255,255,0.15);
}

.btn--ghost:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}


/* ═══════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════ */
.about__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__bio {
  font-size: 1.05rem;
  color: var(--color-slate);
  line-height: 1.85;
  margin-bottom: var(--space-md);
}

.about__bio strong {
  color: var(--color-navy);
}

.about__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 2px 20px rgba(0,0,0,0.03);
}

.about__detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.about__detail-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
}

.about__detail-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-navy);
}


/* ═══════════════════════════════════════════════════════════════
   JOURNEY / TIMELINE
   ═══════════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-ghost));
}

.timeline__card {
  position: relative;
  margin-bottom: var(--space-xl);
}

.timeline__card:last-child {
  margin-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-warm);
  border: 2.5px solid var(--color-accent);
  z-index: 2;
}

.timeline__card:first-child .timeline__marker {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(212, 103, 59, 0.15);
}

.timeline__meta {
  margin-bottom: 6px;
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.5px;
}

.timeline__role {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-navy);
  line-height: 1.3;
}

.timeline__company {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.timeline__highlights {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline__highlights li {
  font-size: 0.9rem;
  color: var(--color-slate);
  padding-left: 18px;
  position: relative;
  line-height: 1.7;
}

.timeline__highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.8rem;
}

.timeline__highlights li strong {
  color: var(--color-navy);
}


/* ═══════════════════════════════════════════════════════════════
   CRAFT / SKILLS
   ═══════════════════════════════════════════════════════════════ */
.craft__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.craft__group {
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.04);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.craft__group:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.craft__group-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

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

.craft__item {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  background: var(--color-blue-bg);
  color: var(--color-blue);
  border: 1px solid rgba(58, 92, 204, 0.1);
  transition: transform 0.2s var(--ease-out);
}

.craft__item:hover {
  transform: scale(1.05);
}

.craft__item--accent {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-color: rgba(212, 103, 59, 0.12);
}


/* ═══════════════════════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════════════════════ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--color-ink-soft);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.12);
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.project-card__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent-soft);
  letter-spacing: 1px;
}

.project-card__icon {
  color: rgba(255,255,255,0.2);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.06);
}


/* ═══════════════════════════════════════════════════════════════
   ACHIEVEMENTS
   ═══════════════════════════════════════════════════════════════ */
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.achievement-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: var(--space-lg);
  border: 1px solid rgba(0,0,0,0.04);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.achievement-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.achievement-card__icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.achievement-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.achievement-card__desc {
  font-size: 0.85rem;
  color: var(--color-slate);
  line-height: 1.6;
}


/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */
.section--contact {
  text-align: center;
}

.contact__text {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 520px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

.contact__links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
  text-align: left;
}

.contact__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-md);
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s var(--ease-out), border-color 0.3s;
}

.contact__link:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.12);
}

.contact__link-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.contact__link-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-white);
}


/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-ink);
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer__text {
  font-size: 0.8rem;
  color: var(--color-muted);
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
    --space-xl: 2.5rem;
  }

  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .craft__grid {
    grid-template-columns: 1fr 1fr;
  }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .contact__links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__name {
    font-size: 2.8rem;
  }

  .craft__grid {
    grid-template-columns: 1fr;
  }

  .achievements__grid {
    grid-template-columns: 1fr;
  }
}