/* ========================================
   DESIGN TOKENS — Google/Apple-Inspired
   ======================================== */
:root {
  /* Colors — Clean, Apple-like palette */
  --color-black: #1d1d1f;
  --color-dark: #2d2d2f;
  --color-gray-900: #3a3a3c;
  --color-gray-700: #6e6e73;
  --color-gray-500: #86868b;
  --color-gray-300: #d2d2d7;
  --color-gray-200: #e8e8ed;
  --color-gray-100: #f5f5f7;
  --color-white: #ffffff;

  /* Accent — Apple Blue */
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-accent-light: rgba(0, 113, 227, 0.08);

  /* Status colors */
  --color-green: #30d158;
  --color-green-bg: rgba(48, 209, 88, 0.1);
  --color-orange: #ff9f0a;
  --color-orange-bg: rgba(255, 159, 10, 0.1);
  --color-blue-bg: rgba(0, 113, 227, 0.1);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --font-size-hero: clamp(2.5rem, 6vw, 4.5rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 64px;

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows — Apple-style subtle depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 350ms var(--ease-out);
  --transition-slow: 500ms var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-white);
  overflow-x: hidden;
  /* Stop the browser from auto-adjusting scroll when content resizes */
  overflow-anchor: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.15; }

/* ========================================
   UTILITIES
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.nav.scrolled .nav-logo {
  color: var(--color-black);
}

.dot { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-white);
}

.nav.scrolled .nav-links a {
  color: var(--color-gray-700);
}

.nav.scrolled .nav-links a:hover {
  color: var(--color-black);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm) !important;
  transition: background var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  transform: scale(1.02);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav.scrolled .nav-toggle span {
  background: var(--color-black);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -6px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(0, 113, 227, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 70% 60%, rgba(0, 113, 227, 0.08) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  padding: var(--space-3xl) var(--space-xl);
}

.hero-name {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.1s forwards;
}

.hero-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--color-accent) 0%, #40a0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-4xl);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-4xl);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.1s forwards;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  display: inline;
}

.stat-suffix {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-xs);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) 1.5s forwards;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  margin-top: var(--space-md);
  max-width: 560px;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.about-lead {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-black);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.highlight-card {
  padding: var(--space-xl);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.highlight-card h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.highlight-card p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.6;
}

/* ========================================
   SKILLS
   ======================================== */
.skills {
  background: var(--color-gray-100);
}

/* Header row: title on the left, animated logo cluster in the whitespace beside it */
.skills-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.skills-logo-cluster {
  display: flex;
  gap: 14px;
}

/* Liquid glass chip: translucent, blurred, with a light inner highlight */
.cluster-logo {
  width: 62px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow:
    0 8px 24px rgba(20, 40, 70, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  animation: clusterBob 4.5s ease-in-out infinite;
}

.cluster-logo:nth-child(1) { animation-delay: 0s; }
.cluster-logo:nth-child(2) { animation-delay: 0.5s; }
.cluster-logo:nth-child(3) { animation-delay: 1s; }
.cluster-logo:nth-child(4) { animation-delay: 1.5s; }
.cluster-logo:nth-child(5) { animation-delay: 2s; }

@keyframes clusterBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-9px) rotate(2deg); }
}

@media (max-width: 880px) {
  .skills-logo-cluster { display: none; }
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.skill-category {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px) saturate(150%);
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.skill-category:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.skill-category-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
}

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

.skill-tag {
  padding: 6px 14px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-dark);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: default;
}

.skill-tag:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

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

.project-filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-black);
  color: var(--color-white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.project-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(0, 113, 227, 0.02) 0%, rgba(0, 113, 227, 0.06) 100%);
}

.project-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.project-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--color-gray-900);
  transition: all var(--transition-fast);
}

.project-card:hover .project-icon {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.project-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
}

.project-tech span {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray-200);
}

.project-status {
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.status-complete {
  color: #1b8a3a;
  background: var(--color-green-bg);
}

.status-progress {
  color: #b35c00;
  background: var(--color-orange-bg);
}

.status-planned {
  color: var(--color-accent);
  background: var(--color-blue-bg);
}

.project-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.project-link:hover {
  text-decoration: underline;
}

/* Hide filtered projects */
.project-card.hidden {
  display: none;
}

/* ========================================
   SERVICES
   ======================================== */
.services {
  background: var(--color-gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card.popular {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: scale(1.03);
}

.service-card.popular:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.service-tier {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.service-price {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.service-price span {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-gray-500);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.service-features {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.service-features li {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-gray-100);
  position: relative;
  padding-left: 24px;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
}

/* ========================================
   JOURNEY / TIMELINE
   ======================================== */
.journey { background: var(--color-white); }

.timeline {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-gray-200);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

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

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--space-3xl) + 1px);
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: 50%;
  z-index: 1;
  transition: all var(--transition-fast);
}

.timeline-marker.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.timeline-item:hover .timeline-marker {
  border-color: var(--color-accent);
}

.timeline-date {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-black);
  margin: var(--space-sm) 0;
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.7;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
  background: var(--color-gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-desc {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-top: var(--space-lg);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-accent);
}

.contact-link svg {
  flex-shrink: 0;
}

.contact-form {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-black);
  background: var(--color-gray-100);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-black);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.footer .nav-logo {
  color: var(--color-white);
  font-size: var(--font-size-xl);
}

.footer-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.06em;
  margin-top: var(--space-sm);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-xs);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: var(--color-gray-700);
}

.footer-built {
  font-style: italic;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.4s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .service-card.popular {
    transform: none;
    order: -1;
  }

  .service-card.popular:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-hero: clamp(2rem, 8vw, 3rem);
    --space-5xl: 5rem;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl);
    gap: var(--space-sm);
    transition: right var(--transition-base);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--color-black) !important;
    font-size: var(--font-size-base);
    padding: var(--space-sm) 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

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

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

  .hero-stats {
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .project-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: var(--font-size-xs);
  }
}

/* ========================================
   MODAL STYLES
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  width: 90%;
  max-width: 600px;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  color: var(--color-gray-500);
  background: var(--color-gray-100);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--color-black);
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-black);
  padding-right: var(--space-2xl);
}

.modal-desc {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.video-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-gray-100);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  gap: var(--space-sm);
}

.video-placeholder span {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

/* ========================================
   FLOATING ICONS (ANIMATIONS)
   ======================================== */
.floating-icons-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  overflow: hidden;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.floating-icon {
  position: absolute;
  opacity: 0;
  animation: floatDrift 10s ease-in-out forwards;
  --float-scale: 1;
  --float-drift: 0px;
}

@keyframes floatDrift {
  0% {
    opacity: 0;
    transform: translateY(30px) translateX(0) scale(calc(var(--float-scale) * 0.6)) rotate(0deg);
  }
  8% {
    opacity: 0.5;
    transform: translateY(0) translateX(calc(var(--float-drift) * 0.3)) scale(var(--float-scale)) rotate(5deg);
  }
  50% {
    opacity: 0.42;
    transform: translateY(-50px) translateX(var(--float-drift)) scale(var(--float-scale)) rotate(-3deg);
  }
  92% {
    opacity: 0.3;
    transform: translateY(-110px) translateX(calc(var(--float-drift) * 0.8)) scale(calc(var(--float-scale) * 0.9)) rotate(-8deg);
  }
  100% {
    opacity: 0;
    transform: translateY(-140px) translateX(var(--float-drift)) scale(calc(var(--float-scale) * 0.7)) rotate(0deg);
  }
}

/* Respect users who prefer less motion: freeze the decorative animations */
@media (prefers-reduced-motion: reduce) {
  .floating-icon,
  .cluster-logo,
  .scroll-line {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}