/* ═══════════════════════════════════════════════
   1. VARIABLES
═══════════════════════════════════════════════ */
:root {
  /* Surfaces */
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #161616;

  /* Text */
  --text: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;

  /* Borders */
  --border: #262626;
  --border-hover: #404040;

  /* Accent (monochrome) */
  --accent: #ffffff;
  --accent-contrast: #0a0a0a;

  /* Fonts */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Radius */
  --radius: 10px;
  --radius-sm: 8px;
  --radius-pill: 8px;

  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

[data-theme="light"] {
  /* Surfaces */
  --bg: #f5f5f5;
  --surface: #ffffff;
  --surface-2: #eeeeee;

  /* Text */
  --text: #0a0a0a;
  --text-secondary: #525252;
  --text-muted: #737373;

  /* Borders */
  --border: #d4d4d4;
  --border-hover: #a3a3a3;

  /* Accent */
  --accent: #0a0a0a;
  --accent-contrast: #f5f5f5;
}

/* ═══════════════════════════════════════════════
   2. RESET / GLOBAL
═══════════════════════════════════════════════ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: all 0.3s ease;
}

html {
  transition: background-color 0.3s ease, color 0.3s ease;
}

body,
header,
section,
.card,
input,
textarea,
button {
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

p {
  display: block;
  margin: 0;
}

p,
h1,
h2,
h3,
h4,
li,
span {
  word-break: break-word;
  overflow-wrap: break-word;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 4px;
}

/* ═══════════════════════════════════════════════
   3. TYPOGRAPHY / SHARED TEXT UTILITIES
═══════════════════════════════════════════════ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-family: var(--font-display);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* Formerly gradient text — now solid, per monochrome direction */
.grad-text,
.grad-text-2,
.accent {
  color: var(--text);
}

/* ═══════════════════════════════════════════════
   4. LAYOUT UTILITIES / REVEAL ANIMATION
═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

.reveal-left {
  transform: translateX(-24px);
}

.reveal-right {
  transform: translateX(24px);
}

.reveal-left.visible,
.reveal-right.visible {
  transform: translateX(0);
}

.stagger>* {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.stagger.visible>*:nth-child(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.05s;
}

.stagger.visible>*:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.1s;
}

.stagger.visible>*:nth-child(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.15s;
}

.stagger.visible>*:nth-child(4) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.stagger.visible>*:nth-child(5) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.25s;
}

.stagger.visible>*:nth-child(6) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════
   5. BUTTONS
═══════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  color: var(--accent-contrast);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.btn-outline:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════
   6. NAVBAR
═══════════════════════════════════════════════ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;

  padding: 0 clamp(20px, 5vw, 60px);
  height: 68px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  background: var(--bg);
  border-bottom: 1px solid var(--border);

  transition:
    background-color 0.3s ease,
    border-color 0.3s ease;
}

header.scrolled {
  background: var(--bg);
  border-bottom-color: var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
}

.logo-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s ease;
}

.logo:hover .logo-icon-wrap {
  border-color: var(--border-hover);
}

nav ul {
  display: flex;
  gap: 32px;
}

nav ul li a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  display: inline-block;
  padding: 8px 0;
  transition: color 0.2s ease;
}

nav ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.2s var(--ease);
}

nav ul li a:hover {
  color: var(--text);
}

nav ul li a:hover::after {
  width: 100%;
}

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

nav ul li a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta .btn-primary {
  padding: 9px 18px;
  font-size: 13px;
}

.theme-toggle {
  width: 38px;
  height: 38px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0;

  background: transparent;
  color: var(--text-secondary);

  border: 1px solid var(--border);
  border-radius: var(--radius-sm);

  cursor: pointer;

  font-size: 18px;

  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-hover);
}

.theme-icon {
  line-height: 1;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;

  background: var(--bg);
  border-bottom: 1px solid var(--border);

  padding: 20px clamp(20px, 5vw, 60px);

  display: none;
  flex-direction: column;
  gap: 18px;

  z-index: 999;

  transform: translateY(-8px);
  opacity: 0;

  transition:
    transform 0.25s var(--ease),
    opacity 0.25s ease,
    background-color 0.3s ease;
}

.mobile-nav.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

/* ═══════════════════════════════════════════════
   7. HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px clamp(20px, 5vw, 80px) 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}


.hero-label i {
  font-size: 11px;
  color: var(--text-muted);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.2vw, 62px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text);
}

.hero h1 .name {
  display: block;
  color: var(--text);
}

.hero-role {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-role .typing {
  color: var(--text);
  border-right: 2px solid var(--text-muted);
  padding-right: 4px;
  animation: blink 0.9s step-end infinite;
}

@keyframes blink {

  0%,
  100% {
    border-color: var(--text-muted);
  }

  50% {
    border-color: transparent;
  }
}

.hero-desc {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 36px;
  border-left: 2px solid var(--border);
  padding-left: 18px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  /* margin-bottom: 32px; */
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-socials span {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--text-secondary);
  background: var(--surface);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--text);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.hero-img-wrap img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  object-fit: cover;
}

/* ═══════════════════════════════════════════════
   8. ABOUT
═══════════════════════════════════════════════ */
.about {
  padding: 100px clamp(20px, 5vw, 80px);
}

.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

.about-left .img-card {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
}

.about-left .img-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s var(--ease);
}

.about-left .img-card:hover img {
  transform: scale(1.02);
}

.about-info-card {
  padding: 18px 20px;
}

.about-info-card .role-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.role-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  flex-shrink: 0;
}

.role-text h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.role-text p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.location-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.location-line i {
  color: var(--text-muted);
}

.available-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 12px;
}

.available-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text);
}

.about-right .section-label {
  margin-bottom: 18px;
}

.about-right .section-title {
  margin-bottom: 22px;
}

.about-body p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 58ch;
  margin-bottom: 16px;
}

.about-divider {
  width: 40px;
  height: 2px;
  background: var(--border-hover);
  margin: 24px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.stat-card {
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  flex-shrink: 0;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: block;
}

.stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════
   9. SKILLS
═══════════════════════════════════════════════ */
.skills {
  padding: 100px clamp(20px, 5vw, 80px);
}

.skills-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.skills-header {
  text-align: center;
  margin-bottom: 56px;
}

.skills-header .section-label {
  margin-bottom: 16px;
}

.skills-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 14px auto 0;
}

.skill-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.skill-card {
  padding: 26px;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.skill-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
}

.skill-card-header h3 {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

.skill-card-header p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.skill-card-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: 18px;
}

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

.skill-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease;
}

/* Icon brand colors are set inline in the HTML (fa icons + svg logos).
   Overridden here to keep the monochrome system — see summary notes. */
.skill-chip i,
.skill-chip img {
  filter: grayscale(1);
  opacity: 0.85;
}

.skill-chip i {
  font-size: 14px;
  color: var(--text-secondary) !important;
}

.skill-chip:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.skill-chip img {
  width: 14px;
  height: 14px;
  object-fit: contain;
}

.skill-chip span {
  display: flex;
  align-items: center;
}

/* ═══════════════════════════════════════════════
   10. PROJECTS
═══════════════════════════════════════════════ */
.projects {
  padding: 100px clamp(20px, 5vw, 80px);
}

.projects-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.projects-header {
  text-align: center;
  margin-bottom: 48px;
}

.projects-header .section-label {
  margin-bottom: 16px;
}

.projects-header p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 12px;
}

.proj-divider {
  width: 100px;
  height: 1px;
  background: var(--border);
  margin: 22px auto 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--surface-2);
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.project-card:hover .project-img img {
  transform: scale(1.03);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10, 10, 10, 0.9));
  opacity: 0;
  transition: opacity 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.overlay-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-contrast);
  font-size: 15px;
  cursor: pointer;
  transform: translateY(6px);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.project-card:hover .overlay-btn {
  transform: translateY(0);
}

.overlay-btn:hover {
  opacity: 0.85;
}

.overlay-btn:nth-child(2) {
  transition-delay: 0.05s;
}

.project-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 10.5px;
  font-weight: 600;
  font-family: var(--font-display);
  background: rgba(10, 10, 10, 0.75);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.project-info {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-info h3 {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

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

.project-chip {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════
   11. CONTACT
═══════════════════════════════════════════════ */
.contact {
  padding: 100px clamp(20px, 5vw, 80px);
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 56px;
}

.contact-header .section-label {
  margin-bottom: 16px;
}

.contact-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 14px auto 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.contact-card {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.contact-card:hover {
  border-color: var(--border-hover);
}

.contact-card-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-card-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  flex-shrink: 0;
}

.contact-card h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.contact-card p {
  font-size: 12px;
  color: var(--text-secondary);
}

.contact-card a i {
  color: var(--text-muted);
  font-size: 13px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.contact-card:hover a i {
  color: var(--text);
  transform: translate(2px, -2px);
}

.contact-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-socials span {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-form {
  padding: 32px;
}

.form-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.form-top h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  resize: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:hover,
textarea:hover {
  border-color: var(--border-hover);
}

input:focus,
textarea:focus {
  border-color: var(--text-secondary);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.06);
}

textarea {
  min-height: 120px;
}

.form-submit {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

/* ═══════════════════════════════════════════════
   12. FOOTER
═══════════════════════════════════════════════ */
footer {
  padding: 24px clamp(20px, 5vw, 80px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer p {
  font-size: 13px;
  color: var(--text-secondary);
}

footer p span {
  color: var(--text);
  font-weight: 600;
}

.footer-heart {
  color: var(--text-muted);
  font-size: 12px;
}

/* ═══════════════════════════════════════════════
   13. COMPONENTS / INTERACTIONS
═══════════════════════════════════════════════ */

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  border: none;
  color: var(--accent-contrast);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.scroll-top.show {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.scroll-top:hover {
  opacity: 0.85;
}

/* Success popup (contact form) */
.success-popup {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 320px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  z-index: 9999;
  transform: translateX(140%);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s ease;
}

.success-popup.show {
  transform: translateX(0);
  opacity: 1;
}

.popup-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  flex-shrink: 0;
}

.popup-icon i {
  color: var(--accent-contrast);
  font-size: 18px;
}

.popup-text h4 {
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 3px;
}

.popup-text p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.4;
}

/* Copied-to-clipboard popup */
.copied {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 14px;
  width: min(320px, calc(100vw - 32px));
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(-10px) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s var(--ease), opacity 0.2s ease;
}

.copied.copiedShow {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.copied i {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent-contrast);
  background: var(--accent);
}

.copied span {
  color: var(--text);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
}

.copied::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 8px;
  height: 2px;
  border-radius: 999px;
  background: var(--border-hover);
  transform-origin: left;
  animation: copiedProgress 2.4s linear forwards;
}

@keyframes copiedProgress {
  from {
    transform: scaleX(1);
  }

  to {
    transform: scaleX(0);
  }
}

/* ═══════════════════════════════════════════════
   14. RESPONSIVE
═══════════════════════════════════════════════ */
/* ═══════════════════════════════════════════════
   14. RESPONSIVE
═══════════════════════════════════════════════ */

/* ── ≤1200px — tighten desktop layout ── */
@media (max-width: 1200px) {

  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-img-wrap {
    max-width: 340px;
  }

  .about-grid {
    grid-template-columns: 280px 1fr;
    gap: 44px;
  }
}


/* ── ≤992px — tablet layout ── */
@media (max-width: 992px) {

  nav {
    display: none;
  }

  .nav-cta .btn-primary {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* HERO */
  .hero {
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 64px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }

  .hero-btns,
  .hero-socials {
    justify-content: center;
  }

  .hero-visual {
    max-width: 320px;
    margin: 0 auto;
  }


  /* ABOUT */
  .about {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-left {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }

  .about-left .img-card {
    flex: 1;
    min-width: 200px;
  }

  .about-left .img-card img {
    aspect-ratio: 1 / 1;
  }

  .about-info-card {
    flex: 1;
    min-width: 200px;
  }


  /* OTHER SECTIONS */
  .skill-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}


/* ── ≤768px — mobile ── */
@media (max-width: 768px) {

  /* GLOBAL SECTION SPACING */
  .hero,
  .about,
  .skills,
  .projects,
  .contact {
    padding-left: 24px;
    padding-right: 24px;
  }

  /* HERO */
  .hero {
    min-height: auto;
    padding-top: 88px;
    padding-bottom: 56px;
  }

  .hero-grid {
    gap: 0;
  }

  .hero-visual {
    display: none;
  }

  .hero-desc {
    max-width: 500px;
  }

  .hero-btns {
    margin-bottom: 28px;
  }


  /* ABOUT */
  .about {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .about-grid {
    gap: 0;
  }

  .about-left {
    display: none;
  }


  /* SKILLS */
  .skills {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .skill-cards {
    grid-template-columns: 1fr;
  }


  /* PROJECTS */
  .projects {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }


  /* CONTACT */
  .contact {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }


  /* FOOTER */
  footer {
    flex-direction: column;
    text-align: center;
  }
}


/* ── ≤576px — small phones ── */
@media (max-width: 576px) {

  header {
    height: 64px;
    padding: 0 18px;
  }


  /* SECTIONS */
  .hero,
  .about,
  .skills,
  .projects,
  .contact {
    padding-left: 18px;
    padding-right: 18px;
  }


  /* HERO */
  .hero {
    padding-top: 82px;
    padding-bottom: 52px;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-bottom: 28px;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }


  /* ABOUT */
  .about {
    padding-top: 52px;
    padding-bottom: 52px;
  }


  /* SKILLS */
  .skills {
    padding-top: 52px;
    padding-bottom: 52px;
  }


  /* PROJECTS */
  .projects {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .project-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }


  /* CONTACT */
  .contact {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .contact-form {
    padding: 20px 16px;
  }

  .form-submit .btn-primary {
    width: 100%;
  }


  /* POPUPS */
  .success-popup,
  .copied {
    top: 16px;
    right: 16px;
    left: 16px;
    width: auto;
  }


  /* MOBILE NAV */
  .mobile-nav {
    padding: 18px;
    gap: 16px;
  }
}


/* ── ≤380px — very small phones ── */
@media (max-width: 380px) {

  .hero {
    padding-top: 78px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-role {
    font-size: 15px;
  }

  .hero-desc {
    font-size: 13px;
    padding-left: 12px;
  }

  .section-title {
    font-size: 26px;
  }

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

  .skill-chip {
    width: 100%;
    justify-content: center;
  }
}

/* ═══════════════════════════════════════════════
   15. ACCESSIBILITY / REDUCED MOTION
═══════════════════════════════════════════════ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
/* ═══════════════════════════════════════════════
   16. EXPERIENCE / EDUCATION (site addition)
   Built from the tokens and .card pattern above.
   Also carries two small hooks the new content
   needs: .project-info p and .contact-grid.form-hidden.
═══════════════════════════════════════════════ */
.experience,
.education {
  padding: 100px clamp(20px, 5vw, 80px);
}

.experience-inner,
.education-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.experience-header,
.education-header {
  text-align: center;
  margin-bottom: 48px;
}

.experience-header .section-label,
.education-header .section-label {
  margin-bottom: 16px;
}

.experience-header p,
.education-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 14px auto 0;
}

/* Vertical timeline: a 1px --border rail with a --text dot per role */
.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding: 24px 26px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 28px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--text);
  border: 3px solid var(--bg);
}

.timeline-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.timeline-top h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.timeline-period {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-org {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.timeline-list {
  display: grid;
  gap: 8px;
}

.timeline-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.timeline-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--text-muted);
}

/* Education: degree card beside a stacked certification list */
.education-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: start;
}

.edu-card {
  padding: 26px;
}

.edu-label {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.cert-list {
  display: grid;
  gap: 14px;
}

.cert-card {
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.cert-main {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cert-main h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.cert-main p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Project card summary text (template cards carried only a title and chips) */
.project-info p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Contact grid while the form is disabled (toggled in script.js) */
.contact-grid.form-hidden {
  grid-template-columns: 1fr;
  max-width: 560px;
  margin: 0 auto;
}

@media (max-width: 992px) {
  .experience,
  .education {
    padding-top: 72px;
    padding-bottom: 72px;
  }

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

@media (max-width: 768px) {
  .experience,
  .education {
    padding: 56px 24px;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-item {
    padding: 20px 18px;
  }

  .timeline-item::before {
    left: -23px;
  }

  .edu-card {
    padding: 22px 20px;
  }
}

@media (max-width: 576px) {
  .experience,
  .education {
    padding: 52px 18px;
  }
}