/* ============================================================
   OLUWATIMILEHIN AINA — Personal Website
   Bold / Modern / CS + Growth Hacker
   Design: Clash Display (headings) + Satoshi (body)
   Palette: Near-black surfaces, Electric Teal accent, warm white text
   ============================================================ */

/* ===================== DESIGN TOKENS ===================== */
:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f5f4f0;
  --color-surface: #f9f8f5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ededea;
  --color-surface-dynamic: #e4e3df;
  --color-divider: #d8d7d3;
  --color-border: #cccbc6;

  /* Text */
  --color-text: #141210;
  --color-text-muted: #6b6a67;
  --color-text-faint: #b4b3ae;
  --color-text-inverse: #f5f4f0;

  /* Primary — Electric Teal */
  --color-primary: #009688;
  --color-primary-hover: #00796b;
  --color-primary-active: #00574f;
  --color-primary-highlight: #cce8e6;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.09);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 1rem + 7vw, 8rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Fonts */
  --font-display: 'Clash Display', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

[data-theme='dark'],
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f0e0d;
    --color-surface: #141312;
    --color-surface-2: #1a1918;
    --color-surface-offset: #1d1c1b;
    --color-surface-dynamic: #252422;
    --color-divider: #2a2927;
    --color-border: #333230;
    --color-text: #e8e7e3;
    --color-text-muted: #7a7977;
    --color-text-faint: #4a4947;
    --color-text-inverse: #0f0e0d;
    --color-primary: #26a69a;
    --color-primary-hover: #4db6ac;
    --color-primary-active: #80cbc4;
    --color-primary-highlight: #1a3332;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  }
}

[data-theme='dark'] {
  --color-bg: #0f0e0d;
  --color-surface: #141312;
  --color-surface-2: #1a1918;
  --color-surface-offset: #1d1c1b;
  --color-surface-dynamic: #252422;
  --color-divider: #2a2927;
  --color-border: #333230;
  --color-text: #e8e7e3;
  --color-text-muted: #7a7977;
  --color-text-faint: #4a4947;
  --color-text-inverse: #0f0e0d;
  --color-primary: #26a69a;
  --color-primary-hover: #4db6ac;
  --color-primary-active: #80cbc4;
  --color-primary-highlight: #1a3332;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; }

::selection {
  background: color-mix(in oklab, var(--color-primary), transparent 70%);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-interactive), opacity var(--transition-interactive);
}

button { cursor: pointer; background: none; border: none; }

@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;
  }
}

/* ===================== LAYOUT ===================== */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}

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

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg), transparent 15%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.header--scrolled { box-shadow: var(--shadow-sm); }
.header--hidden { transform: translateY(-100%); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-1);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-interactive);
}

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

.nav__link:hover::after { transform: scaleX(1); }

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

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

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
  transform-origin: center;
}

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

.mobile-nav {
  display: none;
  padding: var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}

.mobile-nav.is-open { display: block; }

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-interactive), color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--color-primary), transparent 60%);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 20px color-mix(in oklab, var(--color-primary), transparent 50%);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text-muted);
}

/* ===================== REVEAL ANIMATIONS ===================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-divider) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-divider) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero__glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, color-mix(in oklab, var(--color-primary), transparent 80%) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-16), 12vw, var(--space-24));
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  background: var(--color-surface);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__name-first {
  display: block;
  color: var(--color-text);
}

.hero__name-last {
  display: block;
  color: var(--color-primary);
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.hero__bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.hero__scroll-hint {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scroll-line {
  width: 32px;
  height: 1px;
  background: var(--color-text-faint);
}

.break-mobile { display: none; }

/* ===================== SECTION LABELS ===================== */
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-text);
  max-width: 20ch;
  margin-bottom: var(--space-10);
}

.section-title em {
  font-style: normal;
  color: var(--color-primary);
}

/* ===================== ABOUT ===================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  line-height: 1.75;
  max-width: 60ch;
}

.about__text p:last-of-type { margin-bottom: 0; }

.about__meta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.meta-item {
  display: flex;
  gap: var(--space-6);
}

.meta-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  min-width: 90px;
}

.meta-value {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.meta-value a {
  color: var(--color-primary);
}

.meta-value a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* About visual / card stack */
.about__visual {
  position: relative;
}

.about__card-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
}

.about__card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
  position: relative;
  z-index: 1;
}

.about__card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.about__card--1 { margin-left: 0; }
.about__card--2 { margin-left: var(--space-5); }
.about__card--3 { margin-left: var(--space-10); }

.card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.card-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.about__stat-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
  opacity: 0.3;
  pointer-events: none;
  animation: slow-spin 30s linear infinite;
}

@keyframes slow-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===================== SKILLS ===================== */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.skill-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

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

.skill-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.skill-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.skill-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-tags li {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}

/* ===================== PROJECTS ===================== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.project-card--featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-primary-highlight) 100%);
  border-color: var(--color-primary);
}

.project-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.project-type {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.project-status {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.project-card--featured .project-card__title {
  font-size: var(--text-2xl);
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.project-tags li {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}

.project-card__footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.project-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.project-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ===================== CONTACT ===================== */
.contact {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.contact__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  margin-inline: auto;
}

.contact__heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.contact__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive), transform var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  transform: translateY(-2px);
}

.contact-link--primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.contact-link--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: white;
}

.contact__bg-text {
  position: absolute;
  bottom: -0.1em;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 18rem);
  font-weight: 700;
  color: var(--color-text);
  opacity: 0.025;
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  line-height: 1;
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy, .footer__made {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero__name {
    font-size: clamp(3rem, 12vw, 5rem);
  }

  .hero__tagline {
    font-size: var(--text-xl);
  }

  .break-mobile { display: inline; }

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

  .about__visual { order: -1; }

  .about__card-stack {
    padding: var(--space-4);
  }

  .about__card--1 { margin-left: 0; }
  .about__card--2 { margin-left: var(--space-4); }
  .about__card--3 { margin-left: var(--space-8); }

  .about__stat-ring { display: none; }

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

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

  .project-card--featured {
    grid-column: span 1;
  }

  .project-card--featured .project-card__title {
    font-size: var(--text-xl);
  }

  .contact__heading {
    font-size: var(--text-2xl);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .meta-item {
    flex-direction: column;
    gap: var(--space-1);
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
  }

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

  .contact__links {
    flex-direction: column;
    align-items: center;
  }

  .contact-link {
    width: 100%;
    justify-content: center;
  }
}

/* ===================== HERO STATS ===================== */
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-stat__divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

/* ===================== EXPERIENCE TIMELINE ===================== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-10);
}

.timeline__item:last-child .timeline__line {
  display: none;
}

.timeline__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6px;
}

.timeline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
  flex-shrink: 0;
}

.timeline__line {
  width: 1.5px;
  flex: 1;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
  margin-top: var(--space-2);
  min-height: 40px;
}

.timeline__content {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.timeline__content:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.timeline__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.timeline__role {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-1);
}

.timeline__company {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.timeline__company a {
  color: var(--color-primary);
}

.timeline__company a:hover {
  text-decoration: underline;
}

.timeline__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.timeline__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.timeline__location {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.timeline__badge {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
}

.timeline__badge--active {
  background: color-mix(in oklab, var(--color-primary), transparent 80%);
  color: var(--color-primary);
  border: 1px solid color-mix(in oklab, var(--color-primary), transparent 60%);
}

.timeline__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline__tags li {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}

/* ===================== CERTIFICATIONS ===================== */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.cert-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
  position: relative;
}

.cert-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.cert-card__logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.cert-card__body {
  flex: 1;
  min-width: 0;
}

.cert-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.cert-card__issuer {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 2px;
}

.cert-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.cert-card__badge {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-success, #437a22), transparent 80%);
  color: var(--color-success, #437a22);
  border: 1px solid color-mix(in oklab, var(--color-success, #437a22), transparent 60%);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===================== FOOTER LINKEDIN LINK ===================== */
.footer__linkedin {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}

.footer__linkedin:hover {
  color: var(--color-primary);
}

/* LinkedIn button in header */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* About card 4th item */
.about__card--4 { margin-left: var(--space-5); }

/* ===================== INLINE LINK ===================== */
.inline-link {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--color-primary), transparent 60%);
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}

.inline-link:hover {
  color: var(--color-primary-hover);
  border-bottom-color: var(--color-primary-hover);
}

/* ===================== SECTION INTRO ===================== */
.section-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.75;
  margin-top: calc(var(--space-10) * -1);
  margin-bottom: var(--space-10);
}

/* ===================== TOOLS STRIP ===================== */
.tools-strip {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding: var(--space-5) var(--space-8);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.tools-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  flex: 1;
}

.tools-list span {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.tools-list span:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-color: color-mix(in oklab, var(--color-primary), transparent 50%);
}

/* ===================== PROJECTS MORE ===================== */
.projects__more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.projects__more p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===================== CERTS IN PROGRESS ===================== */
.certs__in-progress {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  padding: var(--space-5) var(--space-8);
  background: color-mix(in oklab, var(--color-primary), transparent 92%);
  border: 1px solid color-mix(in oklab, var(--color-primary), transparent 70%);
  border-radius: var(--radius-lg);
}

.certs__in-progress-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.certs__in-progress-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  flex: 1;
}

.cert-inprogress-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.cert-inprogress-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ===================== PROJECTS MORE LIST ===================== */
.projects__more-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-8);
  margin-top: 0;
}

.projects__more-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.projects__more-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: var(--text-xs);
}

/* ===================== FOOTER LINKS ===================== */
.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}

.footer__links a:hover {
  color: var(--color-primary);
}

/* ===================== RESPONSIVE ADDITIONS ===================== */
@media (max-width: 768px) {
  .hero__stats {
    gap: var(--space-4);
  }

  .hero-stat__divider {
    height: 24px;
  }

  .timeline__item {
    grid-template-columns: 20px 1fr;
    gap: var(--space-4);
  }

  .timeline__header {
    flex-direction: column;
  }

  .timeline__meta {
    align-items: flex-start;
  }

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

@media (max-width: 480px) {
  .hero__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .hero-stat__divider {
    display: none;
  }
}

@media (max-width: 768px) {
  .tools-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .projects__more {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__links {
    justify-content: center;
  }

  .about__card--2 { margin-left: var(--space-4); }
  .about__card--3 { margin-left: var(--space-8); }
  .about__card--4 { margin-left: var(--space-4); }

  .certs__in-progress {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .projects__more-list {
    grid-template-columns: 1fr;
  }
}