/* ================================================================
   HAMAN IT — Portfolio Stylesheet  v2
   Deep Navy + Electric Blue + Emerald — Professional IT Theme
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Mono:ital,wght@0,300;0,400;1,300&family=Instrument+Serif:ital@0;1&display=swap');

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

/* ================================================================
   THEME VARIABLES
   ================================================================ */

/* ── Dark Mode (default) — Deep Navy ─────────────────────────── */
:root {
  --bg:          #080e1c;
  --bg2:         #0c1425;
  --bg3:         #101a2e;
  --surface:     #162038;
  --surface2:    #1b2742;
  --border:      rgba(100,140,255,0.11);
  --border2:     rgba(100,140,255,0.22);
  --text:        #dde6f5;
  --muted:       rgba(180,200,235,0.55);
  --faint:       rgba(180,200,235,0.30);
  --accent:      #6ba4ff;    /* soft electric blue        */
  --accent2:     #34d399;    /* soft emerald green        */
  --accent-dim:  rgba(107,164,255,0.13);
  --accent-glow: rgba(107,164,255,0.07);
  --radius:      12px;
  --radius-lg:   20px;
  --ff-display:  'Syne', sans-serif;
  --ff-serif:    'Instrument Serif', serif;
  --ff-mono:     'DM Mono', monospace;
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);
  --theme-transition: 0.45s cubic-bezier(0.4,0,0.2,1);
}

/* ── Light Mode — Clean Slate ────────────────────────────────── */
[data-theme="light"] {
  --bg:          #f5f7fc;
  --bg2:         #edf0f8;
  --bg3:         #e4e8f2;
  --surface:     #d8deed;
  --surface2:    #ccd4e8;
  --border:      rgba(20,50,140,0.10);
  --border2:     rgba(20,50,140,0.20);
  --text:        #0e1629;
  --muted:       rgba(14,22,55,0.60);
  --faint:       rgba(14,22,55,0.38);
  --accent:      #2558d4;    /* royal blue for text/icons */
  --accent2:     #059669;    /* emerald green             */
  --accent-dim:  rgba(37,88,212,0.11);
  --accent-glow: rgba(37,88,212,0.06);
}

/* ── Global theme transition ──────────────────────────────────── */
body,
.nav,
.hero,
.hero-stat-bar,
.about,
.skills,
.projects,
.services,
.experience,
.contact,
.footer,
.skill-card,
.service-card,
.project-row,
.timeline-item,
.contact-link-item,
.form-field input,
.form-field textarea,
.mobile-menu {
  transition-property: background, background-color, border-color, color, box-shadow;
  transition-duration: var(--theme-transition);
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Light-mode scrolled nav ─────────────────────────────────── */
[data-theme="light"] .nav.scrolled {
  background: rgba(245,247,252,0.92);
  border-bottom-color: var(--border2);
}

/* ── Light-mode hero adjustments ─────────────────────────────── */
[data-theme="light"] .hero-noise { opacity: 0.2; }
[data-theme="light"] .hero-grid-lines {
  background-image:
    linear-gradient(rgba(14,22,55,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,22,55,0.05) 1px, transparent 1px);
}
[data-theme="light"] .hero::before {
  background: radial-gradient(ellipse, rgba(37,88,212,0.08) 0%, transparent 65%);
}
[data-theme="light"] .hero::after {
  background: radial-gradient(ellipse, rgba(5,150,105,0.07) 0%, transparent 70%);
}
[data-theme="light"] .hero-stat-bar {
  background: rgba(245,247,252,0.7);
}

/* ── Light-mode form inputs ───────────────────────────────────── */
[data-theme="light"] .form-field input,
[data-theme="light"] .form-field textarea {
  background: var(--bg3);
  border-color: var(--border2);
  color: var(--text);
}
[data-theme="light"] .form-field input:focus,
[data-theme="light"] .form-field textarea:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(37,88,212,0.08);
}

/* ── Light-mode service/skill card hovers ────────────────────── */
[data-theme="light"] .skill-card:hover,
[data-theme="light"] .service-card:hover {
  box-shadow: 0 8px 40px rgba(37,88,212,0.12);
}
[data-theme="light"] .project-row:hover {
  background: var(--surface);
}
[data-theme="light"] .timeline-item::before {
  box-shadow: 0 0 12px rgba(37,88,212,0.4);
}

/* ── Light-mode btn overrides ────────────────────────────────── */
[data-theme="light"] .btn-primary {
  background: #2558d4;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,88,212,0.2);
}
[data-theme="light"] .btn-primary:hover {
  background: #1d47b8;
  box-shadow: 0 8px 32px rgba(37,88,212,0.3);
}
[data-theme="light"] .nav-cta {
  background: #2558d4;
  color: #fff;
}
[data-theme="light"] .nav-cta:hover { background: #1d47b8; }
[data-theme="light"] .mm-cta {
  background: #2558d4;
  color: #fff;
}
[data-theme="light"] .btn-ghost {
  border-color: var(--border2);
  color: var(--text);
}
[data-theme="light"] .btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
[data-theme="light"] .project-key-learning {
  background: rgba(37,88,212,0.06);
  border-color: rgba(37,88,212,0.15);
}
[data-theme="light"] .mobile-menu { background: var(--bg); }
[data-theme="light"] .form-success {
  background: rgba(5,150,105,0.07);
  border-color: rgba(5,150,105,0.25);
  color: var(--accent2);
}

/* ================================================================
   THEME TOGGLE BUTTON
   ================================================================ */
.theme-toggle {
  position: relative;
  width: 52px;
  height: 26px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.toggle-track {
  width: 52px;
  height: 26px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1.5px solid var(--border2);
  position: relative;
  overflow: hidden;
  transition:
    background var(--theme-transition),
    border-color var(--theme-transition),
    box-shadow var(--theme-transition);
}
[data-theme="light"] .toggle-track {
  background: #dce8ff;
  border-color: rgba(37,88,212,0.35);
}

/* Decorative stars */
.toggle-track::before {
  content: '✦ ·';
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 6px;
  letter-spacing: 1px;
  color: rgba(107,164,255,0.6);
  transition: opacity var(--theme-transition);
  pointer-events: none;
}
[data-theme="light"] .toggle-track::before { opacity: 0; }

/* Decorative lines (light) */
.toggle-track::after {
  content: '— —';
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 6px;
  letter-spacing: 1px;
  color: rgba(37,88,212,0.55);
  opacity: 0;
  transition: opacity var(--theme-transition);
  pointer-events: none;
}
[data-theme="light"] .toggle-track::after { opacity: 1; }

/* Sliding thumb */
.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(220,230,250,0.95);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  transition:
    transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
    background var(--theme-transition),
    box-shadow var(--theme-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 1;
  user-select: none;
}
[data-theme="light"] .toggle-thumb {
  transform: translateX(26px);
  background: #fff;
  box-shadow: 0 1px 6px rgba(37,88,212,0.3);
}

/* Icons */
.toggle-thumb .icon-moon,
.toggle-thumb .icon-sun {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toggle-thumb .icon-moon { opacity: 1; transform: scale(1) rotate(0deg); }
.toggle-thumb .icon-sun  { opacity: 0; transform: scale(0.5) rotate(-30deg); }
[data-theme="light"] .toggle-thumb .icon-moon { opacity: 0; transform: scale(0.5) rotate(30deg); }
[data-theme="light"] .toggle-thumb .icon-sun  { opacity: 1; transform: scale(1) rotate(0deg); }

.theme-toggle:hover .toggle-track,
.theme-toggle:focus-visible .toggle-track {
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Nav right layout */
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ================================================================
   BASE
   ================================================================ */
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-display);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-pad { padding: 120px 0; }

/* ---- Section Labels ---- */
.section-label {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 64px;
  line-height: 1.7;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #080e1c;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border-radius: 100px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary:hover {
  background: #93c0ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(107,164,255,0.25);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 13px 24px;
  border-radius: 100px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ================================================================
   NAV
   ================================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(8,14,28,0.90);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border2);
  padding: 14px 48px;
}

.nav-logo {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--text);
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: #080e1c;
  padding: 10px 22px;
  border-radius: 100px;
  transition: var(--transition);
}
.nav-cta:hover {
  background: #93c0ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(107,164,255,0.25);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: var(--transition);
  transform-origin: center;
}
.nav-hamburger.open span:first-child { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.open span:last-child  { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ---- Mobile Menu ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mm-link {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--muted);
  transition: color var(--transition);
}
.mm-link:hover { color: var(--text); }
.mm-cta {
  margin-top: 12px;
  font-size: 1rem;
  font-weight: 700;
  background: var(--accent);
  color: #080e1c;
  padding: 14px 32px;
  border-radius: 100px;
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 140px 48px 100px;
  overflow: hidden;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(100,140,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,140,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
}

/* Ambient blue glow top-left */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 80vw;
  height: 80vh;
  background: radial-gradient(ellipse, rgba(107,164,255,0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
/* Ambient emerald glow bottom-right */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: -5%;
  width: 50vw;
  height: 50vh;
  background: radial-gradient(ellipse, rgba(52,211,153,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--border2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 48px;
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.05s;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(4.5rem, 12vw, 10rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
  overflow: hidden;
}
.hero-name-line {
  display: block;
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}
.hero-name-line.italic {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-tagline {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-tag-item {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}
.hero-tag-sep {
  color: var(--faint);
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}

.hero-bio {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 40px;
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 100px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 1;
}
.hero-scroll-hint span {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--faint), transparent);
  animation: scrollDown 2s ease infinite;
}
@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-stat-bar {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  background: rgba(8,14,28,0.55);
  backdrop-filter: blur(12px);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 60px;
  gap: 4px;
}
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
}
.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-stat-div {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ================================================================
   ABOUT
   ================================================================ */
.about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-headline h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.about-body p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-body strong { color: var(--text); font-weight: 600; }

.about-details {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}
.about-detail-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
}
.detail-label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 2px;
}
.detail-value { font-size: 0.9rem; color: var(--muted); line-height: 1.5; }
.status-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent2) !important;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  animation: pulse 2s ease infinite;
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.skill-card[data-index="0"] { transition-delay: 0s; }
.skill-card[data-index="1"] { transition-delay: 0.06s; }
.skill-card[data-index="2"] { transition-delay: 0.12s; }
.skill-card[data-index="3"] { transition-delay: 0.18s; }
.skill-card[data-index="4"] { transition-delay: 0.24s; }
.skill-card[data-index="5"] { transition-delay: 0.3s; }
.skill-card[data-index="6"] { transition-delay: 0.36s; }
.skill-card[data-index="7"] { transition-delay: 0.42s; }

.skill-card.visible { opacity: 1; transform: translateY(0); }
.skill-card:hover {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 28px rgba(107,164,255,0.08), 0 4px 24px rgba(0,0,0,0.35);
  transform: translateY(-4px);
}

.skill-card-icon {
  width: 44px; height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.skill-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--text);
}

.skill-card ul { display: flex; flex-direction: column; gap: 6px; }
.skill-card ul li {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.5;
  padding-left: 12px;
  position: relative;
}
.skill-card ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: 0.5;
  font-size: 0.6rem;
  top: 2px;
}

/* ================================================================
   PROJECTS
   ================================================================ */
.projects { background: var(--bg2); }

.projects-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.project-row {
  display: grid;
  grid-template-columns: 60px 1fr 260px 48px;
  gap: 32px;
  align-items: center;
  padding: 36px 36px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  background: var(--bg3);
  opacity: 0;
  transform: translateX(-20px);
}
.project-row:last-child { border-bottom: none; }
.project-row.visible { opacity: 1; transform: translateX(0); }
.project-row:hover { background: var(--surface); }
.project-row:hover .project-arrow { transform: translateX(6px); color: var(--accent); }

.project-num {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--faint);
  letter-spacing: 0.05em;
}

.project-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--text);
}
.project-info p {
  font-size: 0.87rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
}

.project-key-learning {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  background: var(--accent-glow);
  border: 1px solid rgba(107,164,255,0.12);
  border-radius: var(--radius);
}
.kl-label {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.7;
}
.kl-text { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }

.project-arrow {
  font-size: 1.4rem;
  color: var(--faint);
  transition: var(--transition);
  text-align: right;
}

/* ================================================================
   SERVICES  (click-to-contact enabled)
   ================================================================ */
.services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

.service-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition:
    background var(--theme-transition),
    border-color 0.28s ease,
    transform 0.28s ease,
    box-shadow 0.28s ease,
    opacity 0.5s ease;
  position: relative;
  overflow: hidden;
  /* Clickable */
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.service-card.visible { opacity: 1; transform: translateY(0); }

/* Top-border accent line on hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.service-card:hover {
  border-color: var(--accent);
  background: var(--surface);
  transform: translateY(-5px);
  box-shadow:
    0 0 32px rgba(107,164,255,0.10),
    0 12px 48px rgba(0,0,0,0.45);
}
.service-card:hover::before { opacity: 0.8; }

/* "Click to contact" hint that appears on hover */
.service-card::after {
  content: 'Click to get in touch →';
  position: absolute;
  bottom: 14px;
  right: 20px;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.service-card:hover::after {
  opacity: 0.7;
  transform: translateY(0);
}

.service-num {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--faint);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.service-icon {
  width: 52px; height: 52px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
  transition: background var(--theme-transition), border-color var(--theme-transition);
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  color: var(--text);
}
.service-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}
.service-price {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--faint);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.service-cta {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.service-card:hover .service-cta { gap: 12px; }

.services-cta-bar {
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: var(--bg3);
}
.services-cta-bar p { font-size: 1.05rem; color: var(--muted); max-width: 500px; }

/* ================================================================
   EXPERIENCE
   ================================================================ */
.experience { background: var(--bg2); }

.timeline {
  border-left: 1px solid var(--border);
  margin-left: 12px;
  padding-top: 8px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 0 0 56px 40px;
  position: relative;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline-item.visible { opacity: 1; transform: translateY(0); }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px; top: 8px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(107,164,255,0.5);
}

.timeline-meta { display: flex; flex-direction: column; gap: 10px; padding-top: 4px; }
.timeline-date {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--faint);
  letter-spacing: 0.05em;
  line-height: 1.5;
}
.timeline-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--faint);
  width: fit-content;
}
.timeline-badge.current {
  border-color: rgba(52,211,153,0.3);
  color: var(--accent2);
  background: rgba(52,211,153,0.06);
}

.timeline-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 6px;
  color: var(--text);
}
.timeline-sep { color: var(--faint); margin: 0 4px; font-weight: 300; }
.timeline-company { color: var(--accent); }
.timeline-location {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--faint);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.timeline-bullets { display: flex; flex-direction: column; gap: 8px; }
.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  padding-left: 18px;
  position: relative;
}
.timeline-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 5px; height: 1px;
  background: var(--accent);
  opacity: 0.5;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact-left h2 {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 24px;
}
.contact-left h2 em {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}
.contact-left p { font-size: 1rem; color: var(--muted); line-height: 1.75; margin-bottom: 36px; }
.contact-links { display: flex; flex-direction: column; gap: 16px; }
.contact-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg3);
}
.contact-link-item:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--surface);
}
.contact-link-item svg { color: var(--accent); flex-shrink: 0; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.form-field input,
.form-field textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-family: var(--ff-display);
  font-size: 0.9rem;
  color: var(--text);
  transition: var(--transition);
  resize: none;
  outline: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--faint); }
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(107,164,255,0.08);
}
.form-submit { align-self: flex-start; cursor: pointer; border: none; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--accent2);
  background: rgba(52,211,153,0.07);
  border: 1px solid rgba(52,211,153,0.2);
  padding: 14px 18px;
  border-radius: var(--radius);
  line-height: 1.5;
}
.form-success.show { display: flex; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo { font-family: var(--ff-display); font-weight: 800; font-size: 1rem; letter-spacing: 0.04em; }
.footer-logo span { color: var(--accent); }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a {
  font-size: 0.8rem;
  color: var(--faint);
  transition: color var(--transition);
  letter-spacing: 0.04em;
}
.footer-nav a:hover { color: var(--text); }
.footer-copy { font-family: var(--ff-mono); font-size: 0.68rem; color: var(--faint); letter-spacing: 0.05em; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
  .project-row { grid-template-columns: 50px 1fr 48px; }
  .project-key-learning { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 120px 24px 120px; }
  .hero-scroll-hint { display: none; }
  .hero-stat-bar { flex-wrap: wrap; }
  .hero-stat { padding: 16px 30px; }
  .container { padding: 0 24px; }
  .section-pad { padding: 80px 0; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 12px; }
  .services-cta-bar { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .nav { padding: 20px 24px; }
  .nav.scrolled { padding: 14px 24px; }
}

@media (max-width: 600px) {
  .skills-grid { grid-template-columns: 1fr; }
  .hero-name { font-size: clamp(3.5rem, 16vw, 6rem); }
  .project-row { grid-template-columns: 40px 1fr 32px; gap: 16px; padding: 24px 20px; }
  .hero-stat-bar { display: none; }
  .about-detail-item { grid-template-columns: 1fr; gap: 4px; }
}