/* ========================================
   Design System — Maxihan Profile
   Inspired by seanhalpin.xyz
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #f0ece3;
  --color-bg-warm: #ede7db;
  --color-text-primary: #0d4f4f;
  --color-text-secondary: #3a6b6b;
  --color-text-muted: #6b8e8e;
  --color-text-light: #8fb0b0;
  --color-accent: #0d4f4f;
  --color-white: #ffffff;

  /* Pastel Card Colors */
  --card-lavender: #d8c8f0;
  --card-mint: #b8e8d8;
  --card-peach: #f0c8a8;
  --card-sky: #b8d8f0;
  --card-rose: #f0b8c8;
  --card-lemon: #f0e8b8;
  --card-coral: #f0a890;

  /* Typography */
  --font-heading: 'Outfit', 'Noto Sans KR', sans-serif;
  --font-body: 'Noto Sans KR', 'Outfit', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-2xl: 48px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 60px;
}

[data-theme="dark"] {
  --color-bg: #121212;
  --color-bg-warm: #181c1c;
  --color-text-primary: #e0e6e6;
  --color-text-secondary: #a0b0b0;
  --color-text-muted: #809090;
  --color-text-light: #607070;
  --color-accent: #2ab7b7;
  --color-white: #1e2222;

  /* Pastel Card Colors -> Darker variations */
  --card-lavender: #3b2854;
  --card-mint: #254a3e;
  --card-peach: #5e3a24;
  --card-sky: #2b455e;
  --card-rose: #5c3340;
  --card-lemon: #5a542b;
  --card-coral: #5c3427;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* --- Noise Overlay --- */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

[data-theme="dark"] .noise-overlay {
  opacity: 0.05;
}

/* --- Custom Cursor --- */
@media (pointer: fine) {
  body {
    cursor: none;
  }

  .cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 45px;
    height: 45px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    pointer-events: none;
    mix-blend-mode: color-dodge;
    opacity: 0.5;
    transition: width 0.4s cubic-bezier(0.77, 0, 0.175, 1),
      height 0.4s cubic-bezier(0.77, 0, 0.175, 1),
      opacity 0.4s ease,
      background 0.4s ease,
      mix-blend-mode 0.4s ease;
  }

  .cursor-outline {
    display: none;
  }

  .cursor-dot.hovering {
    width: 80px;
    height: 80px;
    opacity: 0.8;
  }

  .cursor-dot.hovering-project {
    width: 250px;
    height: 250px;
    opacity: 1;
    background: radial-gradient(circle, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 70%);
    mix-blend-mode: color-dodge;
  }

  /* Make sure links handle custom cursor nicely */
  a,
  button,
  .nav-link,
  .project-card {
    cursor: none;
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 12px;
  background: rgba(240, 236, 227, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 50px;
  border: 1px solid rgba(13, 79, 79, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
  transition: var(--transition-medium);
}

.nav.scrolled {
  background: rgba(240, 236, 227, 0.92);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.nav-link {
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(13, 79, 79, 0.06);
}

.nav-link.active {
  color: var(--color-text-primary);
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  font-weight: 600;
}

.nav-contact {
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.nav-contact:hover {
  background: #0a3f3f;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 79, 79, 0.3);
}

.nav-theme-toggle {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.nav-theme-toggle:hover {
  background: rgba(13, 79, 79, 0.1);
  transform: scale(1.1);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(180deg,
      #e8dff0 0%,
      #dfe8d8 15%,
      #f0ece3 30%,
      #f0ddd0 50%,
      #f0ece3 70%,
      #d8e8f0 85%,
      #f0ece3 100%);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.hero::before {
  background: var(--card-lavender);
  top: 10%;
  left: -100px;
}

.hero::after {
  background: var(--card-mint);
  bottom: 10%;
  right: -100px;
  animation-delay: -10s;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, -30px) scale(1.05);
  }

  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }

  75% {
    transform: translate(20px, 10px) scale(1.02);
  }
}

.hero-sparkle {
  position: absolute;
  color: var(--color-white);
  font-size: 2rem;
  opacity: 0.6;
  animation: sparkle 3s ease-in-out infinite;
}

.hero-sparkle:nth-child(1) {
  top: 20%;
  right: 15%;
  font-size: 3rem;
  animation-delay: 0s;
}

.hero-sparkle:nth-child(2) {
  top: 40%;
  left: 10%;
  font-size: 2.5rem;
  animation-delay: 1s;
}

.hero-sparkle:nth-child(3) {
  bottom: 30%;
  right: 25%;
  font-size: 1.8rem;
  animation-delay: 2s;
}

@keyframes sparkle {

  0%,
  100% {
    opacity: 0.4;
    transform: scale(1) rotate(0deg);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.2) rotate(15deg);
  }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  white-space: nowrap;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
  position: relative;
  z-index: 1;
}

.hero-title .accent {
  display: block;
  background: linear-gradient(270deg, #0d4f4f, #1a7a7a, #2ab7b7, #0d4f4f);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientFlow 8s ease infinite;
}

[data-theme="dark"] .hero-title .accent {
  background: linear-gradient(270deg, #2ab7b7, #4dd2d2, #1a7a7a, #2ab7b7);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes gradientFlow {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-light);
  font-size: 0.8rem;
  font-family: var(--font-heading);
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll-indicator .arrow {
  font-size: 1.2rem;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* --- Section Common --- */
.section {
  padding: var(--space-4xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  color: var(--color-text-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.8;
}

/* --- About Section --- */
.about {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-bg-warm);
}

.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-photo-container {
  position: relative;
}

.about-photo {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 200px 200px var(--radius-xl) var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--card-peach), var(--card-lavender));
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-placeholder {
  font-size: 6rem;
  opacity: 0.5;
}

.about-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about-name {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.about-role {
  font-size: 1.4rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.about-desc {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.about-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.about-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-detail-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  font-weight: 600;
}

.about-detail-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* --- Skills Tags --- */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(13, 79, 79, 0.08);
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(13, 79, 79, 0.15);
  transform: translateY(-2px);
}

/* --- Career Timeline --- */
.career {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-bg);
}

.career-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.timeline {
  position: relative;
  padding-left: 60px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(13, 79, 79, 0.1);
  border-radius: 2px;
}

.timeline::after {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  height: var(--scroll-height, 0%);
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), var(--card-mint));
  border-radius: 2px;
  transition: height 0.1s ease-out;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
  padding-left: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -42px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-accent);
  z-index: 1;
}

.timeline-item:last-child::before {
  background: var(--card-mint);
  box-shadow: 0 0 0 3px var(--card-mint);
}

.timeline-period {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.timeline-company {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.timeline-role {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.timeline-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.timeline-highlight {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(13, 79, 79, 0.06);
  color: var(--color-text-secondary);
}

/* --- Projects Section --- */
.projects {
  padding: var(--space-4xl) var(--space-lg);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-warm) 100%);
}

.projects-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* --- Project Card --- */
.project-card {
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  cursor: pointer;
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.project-card:nth-child(1) {
  background: var(--card-lavender);
}

.project-card:nth-child(2) {
  background: var(--card-mint);
}

.project-card:nth-child(3) {
  background: var(--card-peach);
}

.project-card:nth-child(4) {
  background: var(--card-sky);
}

.project-card:nth-child(5) {
  background: var(--card-rose);
}

.project-card-category {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(13, 79, 79, 0.5);
  margin-bottom: var(--space-sm);
}

.project-card-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.project-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

.project-card-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-md);
}

.project-card-stack-tag {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--color-text-primary);
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.project-card-arrow {
  position: absolute;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
  transition: var(--transition-fast);
  opacity: 0;
  transform: translateY(10px);
}

.project-card:hover .project-card-arrow {
  opacity: 1;
  transform: translateY(0);
}

/* Full-width project card spans 2 columns */
.project-card.full-width {
  grid-column: 1 / -1;
  min-height: 350px;
}

/* --- Project Detail Modal (Drawer) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-overlay.active {
  visibility: visible;
  opacity: 1;
}

.modal {
  background: var(--color-bg);
  height: 100vh;
  max-height: 100vh;
  width: 100%;
  max-width: 600px;
  position: absolute;
  right: 0;
  top: 0;
  overflow-y: auto;
  padding: var(--space-2xl);
  transform: translateX(100%);
  transition: transform var(--transition-medium);
}

.modal-overlay.active .modal {
  transform: translateX(0);
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(13, 79, 79, 0.08);
  color: var(--color-text-primary);
  font-size: 1.3rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(13, 79, 79, 0.15);
}

.modal-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.modal-oneliner {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.modal-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-2xl);
  padding: 8px 20px;
  border-radius: 50px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-heading);
  text-decoration: none;
  transition: var(--transition-fast);
}

.modal-link-btn:hover {
  background: #0a3d3d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 79, 79, 0.3);
}

.modal-section {
  margin-bottom: var(--space-2xl);
}

.modal-section-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.modal-section-title .icon {
  font-size: 1.1rem;
}

.modal-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.modal-text ul {
  list-style: none;
  padding: 0;
}

.modal-text ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.modal-text ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Tech Stack Table in Modal */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm);
}

.tech-stack-item {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(13, 79, 79, 0.04);
  border: 1px solid rgba(13, 79, 79, 0.06);
}

.tech-stack-item-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.tech-stack-item-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Features List in Modal */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.feature-item {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(13, 79, 79, 0.03);
  border: 1px solid rgba(13, 79, 79, 0.06);
  transition: var(--transition-fast);
}

.feature-item:hover {
  background: rgba(13, 79, 79, 0.06);
  transform: translateY(-2px);
}

.feature-item-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.feature-item-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.feature-item-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Architecture section in Modal */
.architecture-diagram {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.architecture-diagram img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

/* --- Contact / Footer --- */
.footer {
  padding: var(--space-4xl) var(--space-lg);
  text-align: center;
  background: var(--color-text-primary);
  color: var(--color-bg);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.footer-desc {
  font-size: 1.1rem;
  color: rgba(240, 236, 227, 0.6);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

.footer-link {
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-link-primary {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.footer-link-primary:hover {
  background: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.footer-link-secondary {
  background: rgba(240, 236, 227, 0.1);
  color: var(--color-bg);
  border: 1px solid rgba(240, 236, 227, 0.2);
}

.footer-link-secondary:hover {
  background: rgba(240, 236, 227, 0.2);
  transform: translateY(-2px);
}

.footer-bottom {
  font-size: 0.85rem;
  color: rgba(240, 236, 227, 0.3);
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 300px 1fr;
    gap: var(--space-2xl);
  }

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

@media (max-width: 768px) {
  .nav {
    padding: 6px 8px;
    gap: 2px;
  }

  .nav-link {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .nav-contact {
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  .hero {
    padding: var(--space-4xl) var(--space-md);
    min-height: 85vh;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-photo {
    max-width: 300px;
    margin: 0 auto;
  }

  .about-info {
    text-align: center;
  }

  .about-details {
    justify-content: center;
  }

  .skills-container {
    justify-content: center;
  }

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

  .project-card.full-width {
    grid-column: 1;
  }

  .project-card {
    min-height: 320px;
  }

  .section {
    padding: var(--space-3xl) var(--space-md);
  }

  .timeline {
    padding-left: 40px;
  }

  .timeline::before {
    left: 14px;
  }

  .timeline-item::before {
    left: -32px;
  }

  .modal {
    padding: var(--space-lg);
    max-height: 90vh;
  }

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

  .tech-stack-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .nav {
    top: 10px;
  }

  .nav-link {
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .tech-stack-grid {
    grid-template-columns: 1fr;
  }
}