/* ══════════════════════════════════════════════════
   TANVI BHATT — PORTFOLIO STYLESHEET
   Aesthetic : Dark Luxury Editorial
   Fonts     : Playfair Display + DM Mono + Instrument Sans
   ══════════════════════════════════════════════════ */

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Dark theme (default) */
  --bg-primary:    #0c0c0e;
  --bg-secondary:  #111116;
  --bg-card:       #16161c;
  --bg-card-hover: #1c1c24;
  --surface:       #1e1e28;
  --surface-2:     #252530;

  --text-primary:   #f0ede8;
  --text-secondary: #a09c96;
  --text-muted:     #605c58;

  --accent:      #c9a84c;          /* warm gold */
  --accent-light:#dfc07a;
  --accent-glow: rgba(201,168,76,.18);
  --accent-dim:  rgba(201,168,76,.08);

  --border:       rgba(240,237,232,.07);
  --border-hover: rgba(201,168,76,.30);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm:     0 2px 8px rgba(0,0,0,.40);
  --shadow-md:     0 8px 32px rgba(0,0,0,.50);
  --shadow-lg:     0 24px 64px rgba(0,0,0,.60);
  --shadow-accent: 0 0 40px rgba(201,168,76,.15);

  --transition-fast: 150ms cubic-bezier(.4,0,.2,1);
  --transition-base: 300ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 600ms cubic-bezier(.22,1,.36,1);

  --navbar-h:    72px;
  --section-gap: clamp(5rem, 10vw, 9rem);
  --container-w: 1200px;
}

/* Light theme overrides */
[data-theme="light"] {
  --bg-primary:    #f5f2ed;
  --bg-secondary:  #ede9e3;
  --bg-card:       #fff;
  --bg-card-hover: #fafaf8;
  --surface:       #ede9e3;
  --surface-2:     #e4dfd7;

  --text-primary:   #1a1815;
  --text-secondary: #5a5550;
  --text-muted:     #9c9590;

  --accent:      #a07828;
  --accent-light:#c49a42;
  --accent-glow: rgba(160,120,40,.12);
  --accent-dim:  rgba(160,120,40,.07);

  --border:       rgba(26,24,21,.10);
  --border-hover: rgba(160,120,40,.35);

  --shadow-sm:     0 2px 8px rgba(0,0,0,.08);
  --shadow-md:     0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:     0 24px 64px rgba(0,0,0,.16);
  --shadow-accent: 0 0 40px rgba(160,120,40,.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
  cursor: none;
}

/* Touch devices get default cursor */
@media (hover: none) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

img  { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { background: none; border: none; cursor: none; font-family: inherit; }

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar       { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

/* ══════════════════════════════════════════════════
   CUSTOM CURSOR
   ══════════════════════════════════════════════════ */
.cursor-dot, .cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--accent);
  opacity: .5;
  transition: width var(--transition-base), height var(--transition-base),
              opacity var(--transition-base);
}

.cursor-ring.hovered {
  width: 56px;
  height: 56px;
  opacity: 1;
  border-color: var(--accent-light);
}

/* ══════════════════════════════════════════════════
   PRELOADER
   ══════════════════════════════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .5s ease, visibility .5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner { text-align: center; }

.preloader-line {
  display: block;
  width: 0;
  height: 1px;
  background: var(--accent);
  margin: 0 auto 1.5rem;
  animation: preloader-expand 1.8s cubic-bezier(.22,1,.36,1) forwards;
}

@keyframes preloader-expand { to { width: 120px; } }

.preloader-text {
  font-family: 'DM Mono', monospace;
  font-size: .75rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: .5rem;
}

.preloader-counter {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  color: var(--accent);
  display: block;
}

/* ══════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--navbar-h);
  transition: background-color var(--transition-base),
              backdrop-filter var(--transition-base),
              box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(12,12,14,.82);
  backdrop-filter: blur(16px) saturate(1.5);
  box-shadow: 0 1px 0 var(--border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(245,242,237,.88);
}

.nav-container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-family: 'DM Mono', monospace;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}
.nav-logo:hover { color: var(--accent); }
.logo-bracket   { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-left: auto;
}

.nav-link {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.nav-link:hover              { color: var(--text-primary); }
.nav-link:hover::after,
.nav-link.active::after      { width: 100%; }
.nav-link.active             { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1.5rem;
}

.theme-toggle {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: border-color var(--transition-fast), color var(--transition-fast),
              background var(--transition-fast);
  cursor: none;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.theme-icon {
  position: absolute;
  transition: opacity var(--transition-fast), transform var(--transition-base);
}

[data-theme="dark"]  .theme-icon--light { opacity: 0; transform: rotate(90deg) scale(0); }
[data-theme="dark"]  .theme-icon--dark  { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-icon--dark  { opacity: 0; transform: rotate(-90deg) scale(0); }
[data-theme="light"] .theme-icon--light { opacity: 1; transform: rotate(0) scale(1); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: none;
}

.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ══════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-h);
  overflow: hidden;
}

/* Background grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
  animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift { to { transform: translateY(48px); } }

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orb-float 12s ease-in-out infinite;
}

.orb--1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(201,168,76,.12), transparent 70%);
  top: -15%; right: -10%;
}
.orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(100,90,200,.08), transparent 70%);
  bottom: 10%; left: -8%;
  animation-delay: -4s;
}
.orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201,168,76,.07), transparent 70%);
  top: 50%; left: 50%;
  animation-delay: -8s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 15px) scale(.95); }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  padding-bottom: 4rem;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.eyebrow-line {
  display: inline-block;
  width: 40px; height: 1px;
  background: var(--accent);
}

.hero-name {
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
}

.hero-name em {
  font-style: italic;
  color: var(--accent);
  display: block;
}

.hero-tagline {
  font-family: 'DM Mono', monospace;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  min-height: 2em;
}

.typed-text   { color: var(--text-primary); }
.typed-cursor { color: var(--accent); animation: blink .8s step-end infinite; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-description {
  font-size: clamp(.95rem, 1.8vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 48ch;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  z-index: 1;
  animation: scroll-fade 2s ease-in-out infinite;
}

.scroll-label {
  font-family: 'DM Mono', monospace;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  display: block;
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes scroll-fade {
  0%, 100% { opacity: .5; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* ══════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .8rem 2rem;
  border-radius: var(--radius-sm);
  font-family: 'DM Mono', monospace;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x,50%) var(--y,50%), rgba(255,255,255,.15), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn--primary {
  background: var(--accent);
  color: #0c0c0e;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 0 56px rgba(201,168,76,.30);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ══════════════════════════════════════════════════
   LAYOUT UTILITIES
   ══════════════════════════════════════════════════ */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section { padding: var(--section-gap) 0; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-number {
  font-family: 'DM Mono', monospace;
  font-size: .75rem;
  color: var(--accent);
  letter-spacing: .2em;
  flex-shrink: 0;
  padding-top: .2em;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text-primary);
}

/* Reveal animations */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity .7s cubic-bezier(.22,1,.36,1),
              transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-48px); }
.reveal-right { transform: translateX(48px); }

.revealed { opacity: 1 !important; transform: none !important; }

.delay-1 { transition-delay: .10s; }
.delay-2 { transition-delay: .20s; }
.delay-3 { transition-delay: .30s; }
.delay-4 { transition-delay: .40s; }

/* ══════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════ */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about-image-wrap { position: relative; }

.about-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Avatar placeholder (replace with <img> when you have a photo) ── */
.about-avatar {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.avatar-initials {
  font-family: 'Playfair Display', serif;
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .05em;
  opacity: .8;
}

.image-accent {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(201,168,76,.12));
  pointer-events: none;
}

/* Photo style (when you swap in a real image) */
.about-image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.about-image-frame:hover .about-image { transform: scale(1.04); }

.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: baseline;
  gap: .75rem;
  box-shadow: var(--shadow-md);
}

.badge-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.badge-label {
  font-size: .78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.about-lead {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.55;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.about-body {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.about-body em { color: var(--text-primary); font-style: italic; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
  padding: 2rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: .78rem;
  color: var(--text-secondary);
  margin-top: .35rem;
  font-family: 'DM Mono', monospace;
  letter-spacing: .05em;
}

/* ══════════════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════════════ */
.skills { background: var(--bg-primary); }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.skill-category:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
}

.skill-category-title {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.75rem;
  font-weight: 400;
}

.skill-bars { display: flex; flex-direction: column; gap: 1.25rem; }

.skill-bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .5rem;
}

.skill-name { font-size: .9rem; color: var(--text-primary); }
.skill-pct  { font-family: 'DM Mono', monospace; font-size: .75rem; color: var(--accent); }

.skill-track {
  height: 3px;
  background: var(--surface-2);
  border-radius: 99px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 99px;
  transition: width 1.2s cubic-bezier(.22,1,.36,1);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: .5rem;
}

.skill-tag {
  padding: .4rem .9rem;
  background: var(--accent-dim);
  border: 1px solid rgba(201,168,76,.15);
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
  font-size: .75rem;
  color: var(--accent);
  letter-spacing: .04em;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              transform var(--transition-fast);
}
.skill-tag:hover {
  background: rgba(201,168,76,.15);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ══════════════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════════════ */
.projects { background: var(--bg-secondary); }

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: .5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  cursor: none;
  transition: all var(--transition-fast);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0c0c0e;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base),
              box-shadow var(--transition-base);
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}
.project-card.hidden { display: none; }

.project-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.project-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.project-card:hover .project-card-image img { transform: scale(1.08); }

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(12,12,14,.75);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-card-overlay { opacity: 1; }

.project-link-btn {
  padding: .6rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  font-family: 'DM Mono', monospace;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--accent);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.project-link-btn:hover { background: var(--accent); color: #0c0c0e; }

.project-card-body { padding: 1.5rem; }

.project-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .85rem;
}

.project-tag {
  font-family: 'DM Mono', monospace;
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: .2rem .65rem;
  border-radius: 99px;
}

.project-card-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: .6rem;
  transition: color var(--transition-fast);
}
.project-card:hover .project-card-title { color: var(--accent); }

.project-card-desc {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════
   EXPERIENCE / TIMELINE
   ══════════════════════════════════════════════════ */
.experience { background: var(--bg-primary); }

.timeline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}

.timeline-col-title {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.timeline-col-icon { color: var(--accent); font-size: 1rem; }

.timeline {
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent 90%);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -1.5rem; top: 6px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-3px);
  box-shadow: 0 0 12px var(--accent-glow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.timeline-item:hover .timeline-dot {
  transform: translateX(-3px) scale(1.6);
  box-shadow: 0 0 20px var(--accent);
}

/* Certification dot variant */
.timeline-dot--cert {
  background: transparent;
  border: 2px solid var(--accent);
}

.timeline-date {
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--accent);
  display: block;
  margin-bottom: .5rem;
}

.timeline-role {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: .25rem;
}

.timeline-company {
  font-size: .82rem;
  color: var(--text-secondary);
  font-style: italic;
  display: block;
  margin-bottom: .75rem;
}

.timeline-desc {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: .85rem;
}

/* Tech stack tags inside timeline */
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

/* ══════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════ */
.contact { background: var(--bg-secondary); }

.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-lead {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.55;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: .9rem;
}

.contact-detail-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 1rem;
}

.contact-detail a {
  color: var(--text-secondary);
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  word-break: break-all;
}
.contact-detail a:hover { color: var(--accent); border-color: var(--accent); }

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  font-family: 'Instrument Sans', sans-serif;
  font-size: .92rem;
  color: var(--text-primary);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-input.error {
  border-color: #e05555;
  box-shadow: 0 0 0 3px rgba(224,85,85,.12);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-error {
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  color: #e05555;
  letter-spacing: .04em;
  min-height: 1em;
}

.form-success {
  margin-top: 1rem;
  text-align: center;
  font-family: 'DM Mono', monospace;
  font-size: .82rem;
  color: var(--accent);
  letter-spacing: .06em;
  min-height: 1.2em;
}

.btn--loading { pointer-events: none; opacity: .7; }

/* ══════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2.5rem;
}

.footer-container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  text-align: center;
}

.footer-logo {
  font-family: 'DM Mono', monospace;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: .05em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  justify-content: center;
}

.footer-link {
  font-family: 'DM Mono', monospace;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: var(--accent); }

.footer-social { display: flex; gap: 1rem; }

.social-link {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-family: 'DM Mono', monospace;
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-3px);
}

.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .08em;
}

/* ══════════════════════════════════════════════════
   MOBILE NAV OVERLAY
   ══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(75vw, 300px);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    margin-left: 0;
    z-index: 800;
  }
  .nav-links.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .nav-link { font-size: 1.1rem; color: var(--text-primary); }
}

/* ══════════════════════════════════════════════════
   RESPONSIVE — TABLET & MOBILE
   ══════════════════════════════════════════════════ */

/* Tablet ≤1024px */
@media (max-width: 1024px) {
  .about-grid          { grid-template-columns: 320px 1fr; }
  .skills-grid         { grid-template-columns: 1fr; }
  .projects-grid       { grid-template-columns: repeat(2, 1fr); }
  .timeline-grid       { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid        { grid-template-columns: 1fr; gap: 3rem; }
}

/* Mobile ≤768px */
@media (max-width: 768px) {
  :root { --section-gap: 5rem; }

  .about-grid        { grid-template-columns: 1fr; }
  .about-image-wrap  { max-width: 340px; margin: 0 auto; }
  .about-badge       { right: 0; bottom: -1rem; }
  .about-stats       { grid-template-columns: repeat(3, 1fr); }
  .form-row          { grid-template-columns: 1fr; }
  .projects-grid     { grid-template-columns: 1fr; }
  .hero-name         { font-size: clamp(3rem, 14vw, 5rem); }
}

/* Small mobile ≤480px */
@media (max-width: 480px) {
  .about-stats        { grid-template-columns: 1fr; text-align: left; }
  .stat               { display: flex; align-items: center; gap: 1rem; }
  .hero-cta           { flex-direction: column; }
  .btn                { justify-content: center; }
  .contact-grid       { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════
   REDUCED MOTION
   ══════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
}