/* ===== Design Tokens ===== */
:root {
  --color-bg: #1e1e1e;
  --color-bg-alt: #191919;
  --color-surface: #262626;
  --color-surface-hover: #2d2d2d;
  --color-border: #3a3a3a;
  --color-border-strong: #4d4d4d;
  --color-text: #fafafa;
  --color-text-muted: #c4c4c4;
  --color-text-dim: #8c8c8c;
  --color-accent: #ffffff;
  --color-accent-secondary: #bdbdbd;
  --color-accent-hover: #e6e6e6;
  --color-accent-glow: rgba(255, 255, 255, 0.1);
  --color-on-accent: #1e1e1e;
  --color-ping: rgba(255, 255, 255, 0.45);
  --color-header-bg: rgba(30, 30, 30, 0.8);
  --color-overlay: rgba(0, 0, 0, 0.65);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #bdbdbd 100%);
  --gradient-heading: linear-gradient(135deg, #ffffff, #9a9a9a);
  --gradient-accent: linear-gradient(135deg, #ffffff, #c9c9c9);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.35), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
  --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.35), 0 20px 44px -16px rgba(255, 255, 255, 0.14);
  --font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --container: 1080px;
}

[data-theme="light"] {
  --color-bg: #fafafa;
  --color-bg-alt: #f0f0f0;
  --color-surface: #ffffff;
  --color-surface-hover: #f7f7f7;
  --color-border: #e2e2e2;
  --color-border-strong: #d0d0d0;
  --color-text: #1e1e1e;
  --color-text-muted: #505050;
  --color-text-dim: #8a8a8a;
  --color-accent: #000000;
  --color-accent-secondary: #555555;
  --color-accent-hover: #333333;
  --color-accent-glow: rgba(0, 0, 0, 0.08);
  --color-on-accent: #fafafa;
  --color-ping: rgba(0, 0, 0, 0.35);
  --color-header-bg: rgba(250, 250, 250, 0.8);
  --color-overlay: rgba(255, 255, 255, 0.6);
  --gradient-text: linear-gradient(135deg, #1e1e1e 0%, #6b6b6b 100%);
  --gradient-heading: linear-gradient(135deg, #1e1e1e, #6b6b6b);
  --gradient-accent: linear-gradient(135deg, #1e1e1e, #555555);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.05), 0 12px 32px -12px rgba(0, 0, 0, 0.12);
  --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.06), 0 20px 44px -16px rgba(0, 0, 0, 0.2);
}

/* ===== Base ===== */
html {
  scroll-behavior: smooth;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.4s var(--ease-out), color 0.4s var(--ease-out);
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

a {
  color: inherit;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ===== Header ===== */
header {
  width: 100%;
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out),
    border-color 0.4s var(--ease-out), padding 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
  padding-left: 24px;
  padding-right: 24px;
}

header.scrolled {
  background: var(--color-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border);
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo span {
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Theme Toggle ===== */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    transform 0.3s var(--ease-out);
}

.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: rotate(15deg);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

/* ===== Navigation ===== */
nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

nav a {
  position: relative;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.3s var(--ease-out);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--gradient-accent);
  transition: width 0.3s var(--ease-out), left 0.3s var(--ease-out);
}

nav a:hover {
  color: var(--color-accent);
}

nav a:hover::after {
  width: 100%;
  left: 0;
}

nav a.active {
  color: var(--color-text);
}

nav a.active::after {
  width: 100%;
  left: 0;
}

/* ===== Hamburger ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  margin-left: 12px;
}

.hamburger span {
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== Sections ===== */
.section {
  padding: 120px 0;
  position: relative;
}

.section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

section {
  scroll-margin-top: 80px;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse-glow 7s ease-in-out infinite;
  z-index: 0;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.85; transform: translateX(-50%) scale(1.08); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 0%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Profile photo */
.hero-photo {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

.photo-ring {
  position: absolute;
  inset: 1px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, var(--color-accent), var(--color-border-strong), var(--color-text-dim), var(--color-accent));
  opacity: 0.9;
  filter: blur(2px);
  /* animation: spin-slow 12s linear infinite; */
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.hero-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--color-bg);
  background: var(--color-surface);
}

.photo-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--color-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--color-accent-glow);
  animation: float 4s ease-in-out infinite;
}

.photo-badge svg {
  width: 18px;
  height: 18px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Hero copy */
.hero-copy {
  max-width: 560px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 0 var(--color-ping);
  animation: ping-dot 2s var(--ease-out) infinite;
}

@keyframes ping-dot {
  0% { box-shadow: 0 0 0 0 var(--color-ping); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero h1 {
  font-size: clamp(2.6rem, 5.4vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero h1 span {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-subtitle strong {
  color: var(--color-text);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== Buttons ===== */
.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-accent);
  color: var(--color-on-accent);
  padding: 14px 26px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out),
    filter 0.3s var(--ease-out), background-color 0.3s var(--ease-out),
    color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px var(--color-accent-glow);
  filter: brightness(1.08);
}

.button:active {
  transform: translateY(0);
}

.button-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-strong);
}

.button-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
  box-shadow: none;
  filter: none;
}

/* ===== Scroll hint ===== */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--color-border-strong);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 1;
}

.scroll-hint span {
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  animation: scroll-wheel 2s var(--ease-in-out) infinite;
}

@keyframes scroll-wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ===== Section labels & titles ===== */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 40px;
  max-width: 640px;
}

.section-text {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  line-height: 1.85;
  max-width: 600px;
  font-weight: 300;
  margin-bottom: 20px;
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

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

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--gradient-heading);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  font-weight: 400;
}

/* Highlight cards */
.about-highlights {
  display: grid;
  gap: 16px;
}

.highlight-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 22px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

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

.highlight-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-icon svg {
  width: 20px;
  height: 20px;
}

.highlight-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.6;
}

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.skill-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 26px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

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

.skill-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-group-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.skill-group-icon svg {
  width: 18px;
  height: 18px;
}

.skill-group h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.skills li {
  padding: 8px 15px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 400;
  opacity: 0;
  transform: translateY(10px);
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out),
    transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out),
    background-color 0.4s var(--ease-out), opacity 0.5s var(--ease-out);
}

.skills li.visible {
  opacity: 1;
  transform: translateY(0);
}

.skills li:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

/* ===== Experience timeline ===== */
.timeline {
  list-style: none;
  position: relative;
  max-width: 760px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 9px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-accent),
    var(--color-border) 60%,
    transparent
  );
}

.timeline-item {
  position: relative;
  padding-left: 44px;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

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

.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.timeline-head h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
}

.timeline-date {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-dim);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: 100px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 14px;
}

.timeline-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-tags li {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== Contact ===== */
.section-contact {
  text-align: center;
}

.section-contact .section-title,
.section-contact .section-label {
  margin-left: auto;
  margin-right: auto;
}

.contact-text {
  margin: 0 auto 36px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ===== Footer ===== */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
  transition: background-color 0.4s var(--ease-out);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.footer-links a {
  color: var(--color-text-dim);
  transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  display: inline-flex;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.footer-links a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.footer-links svg {
  width: 18px;
  height: 18px;
}

.footer-copy {
  color: var(--color-text-dim);
  font-size: 0.8rem;
  font-weight: 300;
}

/* ===== Mobile Nav ===== */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-overlay);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.nav-overlay.open {
  display: block;
  opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-copy {
    margin: 0 auto;
    max-width: 560px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-text .section-text {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  header {
    padding: 16px 20px;
  }

  .hamburger {
    display: flex;
  }

  nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out), background-color 0.4s var(--ease-out);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
    z-index: 1000;
  }

  nav.open {
    transform: translateX(0);
  }

  nav a {
    margin-bottom: 8px;
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  nav a::after {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .hero {
    padding: 130px 0 80px;
  }

  .hero-photo {
    width: 230px;
    height: 230px;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

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

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .stat-value {
    font-size: 1.2rem;
  }

  .timeline-head {
    flex-direction: column;
    gap: 8px;
  }

  .scroll-hint {
    display: none;
  }
}

@media (min-width: 769px) {
  .nav-overlay {
    display: none !important;
  }
}