/* ═══════════════════════════════════════════
   Laura Gonzalez Portfolio — Design System
   ═══════════════════════════════════════════ */

/* ─── Google Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ─── */
:root {
  --color-bg: #000000;
  --color-surface: #0A0A0A;
  --color-accent: #00B6B6;
  --color-text: #F2F2F2;
  --color-text-muted: rgba(242, 242, 242, 0.55);
  --color-text-subtle: rgba(242, 242, 242, 0.35);
  --color-text-faint: rgba(242, 242, 242, 0.2);
  --color-border: rgba(242, 242, 242, 0.08);
  --color-border-hover: rgba(242, 242, 242, 0.2);
  --font-family: 'Inter', sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-default: 0.4s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  font-synthesis: none;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ─── Skip Link ─── */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-accent);
  color: #000;
  padding: 8px 16px;
  border-radius: 4px;
  z-index: 10000;
  font-size: 14px;
}
.skip-to-content:focus {
  top: 16px;
}

/* ─── Noise Overlay ─── */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.09;
  mix-blend-mode: overlay;
}

/* ─── Scroll Reveal Animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-line {
  opacity: 0;
  transform: translateY(110%);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}
.reveal-line.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Section Layout ─── */
.section {
  position: relative;
  min-height: 100vh;
  padding-top: 48px;
  padding-bottom: clamp(80px, 8vw, 140px);
}
.section-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
  padding-top: clamp(56px, 7vw, 120px);
}

/* ─── Section Label ─── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: clamp(6px, 0.6vw, 10px);
  font-size: clamp(10px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: clamp(24px, 3vw, 48px);
}
.section-label::before {
  content: '';
  width: clamp(16px, 1.5vw, 24px);
  height: 1px;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* ─── Sticky Label ─── */
.sticky-label {
  position: sticky;
  top: calc(48px + clamp(10px, 1.5vw, 16px));
  z-index: 10;
  padding-left: 48px;
  height: 0;
  overflow: visible;
  pointer-events: none;
}

/* ─── Typography ─── */
.heading-xl {
  font-size: clamp(36px, 5.8vw, 88px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-text);
}
.heading-lg {
  font-size: clamp(36px, 5.5vw, 84px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--color-text);
}
.heading-md {
  font-size: clamp(28px, 2.8vw, 44px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: clamp(20px, 2.5vw, 40px);
}
.heading-sm {
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: clamp(8px, 1vw, 16px);
}
.body-text {
  font-size: clamp(15px, 1.2vw, 19px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--color-text-muted);
  max-width: 640px;
}
.body-text + .body-text {
  margin-top: clamp(16px, 2vw, 28px);
}
.accent {
  color: var(--color-accent);
}
.accent-italic {
  color: var(--color-accent);
  font-style: italic;
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 32px 16px;
  mix-blend-mode: difference;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.nav.visible {
  opacity: 1;
  transform: translateY(0);
}
.nav a {
  pointer-events: auto;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  transition: opacity var(--transition-default);
}
.nav a:hover {
  opacity: 0.7;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 40px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  pointer-events: auto;
  width: 20px;
  height: 14px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1000;
}
.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: #fff;
  transition: transform 0.35s var(--ease-out), opacity 0.25s var(--ease-out);
  transform-origin: center center;
}
.mobile-menu-btn.open span:first-child {
  transform: rotate(45deg) translateY(6.5px);
}
.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-btn.open span:last-child {
  transform: rotate(-45deg) translateY(-6.5px);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 899;
  background-color: rgba(0, 0, 0, 0.96);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 16px;
  padding-bottom: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  display: block;
  font-size: clamp(42px, 12vw, 72px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #fff;
  padding: 8px 0;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out);
}
.mobile-menu.open a {
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu.open a:nth-child(1) { transition-delay: 0.06s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.11s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.16s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.21s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.26s; }

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  background-color: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Background gradient instead of image */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 50% 40%, rgba(0, 182, 182, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 70%, rgba(0, 182, 182, 0.04) 0%, transparent 50%);
  opacity: 0;
  transform: scale(1.08);
  animation: heroReveal 1.8s 0.3s var(--ease-out) forwards;
}
@keyframes heroReveal {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Dark overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 2;
  pointer-events: none;
}

/* Bottom gradient */
.hero-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35%;
  z-index: 3;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 100%);
  pointer-events: none;
}

/* Marquee */
.hero-marquee {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 100%;
  overflow: hidden;
  z-index: 4;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  animation: fadeIn 1.2s 0.5s ease forwards;
}
.hero-marquee-track {
  display: flex;
  width: max-content;
  white-space: nowrap;
  animation: marqueeScroll 90s linear infinite;
}
.hero-marquee-text {
  font-size: clamp(160px, 26vw, 440px);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.06em;
  color: #fff;
  user-select: none;
  flex-shrink: 0;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes fadeIn {
  to { opacity: 1; }
}

/* Hero content */
.hero-location {
  position: absolute;
  bottom: 32px;
  left: 32px;
  z-index: 10;
  color: #fff;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(12px);
  animation: slideUp 1s 1s var(--ease-out) forwards;
}
.hero-title {
  position: absolute;
  bottom: 32px;
  right: 32px;
  z-index: 10;
  text-align: right;
}
.hero-title-line {
  color: rgba(242, 242, 242, 0.95);
  font-size: clamp(28px, 3.8vw, 60px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.04em;
  overflow: hidden;
}
.hero-title-line span {
  display: block;
  transform: translateY(110%);
  animation: slideUp 1s var(--ease-out) forwards;
}
.hero-title-line:nth-child(1) span { animation-delay: 0.7s; }
.hero-title-line:nth-child(2) span { animation-delay: 0.82s; }
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hidden h1 for SEO */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   ABOUT / WELCOME SECTION
   ═══════════════════════════════════════════ */
#about .about-intro {
  margin-top: clamp(80px, 10vw, 140px);
  margin-bottom: clamp(56px, 7vw, 112px);
}
.line-wrap {
  overflow: hidden;
  position: relative;
}

/* ═══════════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════════ */
.service-block {
  padding-top: clamp(40px, 5vw, 80px);
  padding-bottom: clamp(40px, 5vw, 80px);
}
.service-block + .service-block {
  border-top: 1px solid var(--color-border);
}
.service-title {
  font-size: clamp(32px, 4.5vw, 76px);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--color-text);
  margin-bottom: clamp(24px, 3vw, 48px);
}
.service-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 80px);
  align-items: start;
}
.service-desc {
  font-size: clamp(15px, 1.15vw, 18px);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--color-text-subtle);
  max-width: 520px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(8px, 0.8vw, 12px);
  align-items: center;
  padding-top: clamp(4px, 0.5vw, 8px);
}
.service-tag {
  display: inline-block;
  position: relative;
  border-radius: 9999px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,182,182,0.3), rgba(242,242,242,0.1), rgba(0,182,182,0.2));
  background-size: 200% 200%;
  animation: shimmer 4s ease infinite;
}
.service-tag span {
  display: block;
  font-size: clamp(11px, 0.9vw, 14px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  background-color: #000;
  border-radius: 9999px;
  padding: clamp(6px, 0.6vw, 9px) clamp(14px, 1.4vw, 22px);
  white-space: nowrap;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Number label */
.service-number {
  font-size: clamp(10px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: clamp(12px, 1.5vw, 20px);
}

/* ═══════════════════════════════════════════
   PROJECTS SECTION
   ═══════════════════════════════════════════ */
.project-card {
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: background-color var(--transition-default), border-color var(--transition-default);
  cursor: default;
}
.project-card:hover {
  background-color: #0D0D0D;
  border-color: rgba(242, 242, 242, 0.12);
}

/* Project hero visual (CSS gradient instead of image) */
.project-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.project-hero-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.6s var(--ease-out);
}
.project-card:hover .project-hero-bg {
  transform: scale(1.03);
}
/* Unique gradients for each project */
.project-hero-bg.veepee {
  background: linear-gradient(135deg, #0a1a2e 0%, #00B6B6 50%, #0a2e1a 100%);
  filter: grayscale(0.5) contrast(1.1) brightness(0.6);
}
.project-hero-bg.kira {
  background: linear-gradient(135deg, #1a0a2e 0%, #6B5CE7 50%, #00B6B6 100%);
  filter: grayscale(0.5) contrast(1.1) brightness(0.6);
}
.project-hero-bg.tucuvi {
  background: linear-gradient(135deg, #0a2e2e 0%, #00B6B6 40%, #2e0a1a 100%);
  filter: grayscale(0.5) contrast(1.1) brightness(0.6);
}
.project-hero-bg.hp {
  background: linear-gradient(135deg, #1a1a2e 0%, #0077C8 50%, #2e2e0a 100%);
  filter: grayscale(0.5) contrast(1.1) brightness(0.6);
}

/* Project header overlay */
.project-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.4) 100%);
  z-index: 1;
}
.project-hero-content {
  position: absolute;
  bottom: clamp(24px, 3vw, 48px);
  left: clamp(24px, 3vw, 48px);
  right: clamp(24px, 3vw, 48px);
  z-index: 2;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(12px, 1.5vw, 24px);
}
.project-tag {
  font-size: clamp(10px, 0.75vw, 12px);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid rgba(242, 242, 242, 0.12);
  border-radius: 12px;
  padding: 5px 14px;
}
.project-name {
  font-size: clamp(32px, 5.5vw, 88px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: clamp(8px, 1vw, 16px);
}
.project-year {
  font-size: clamp(11px, 0.85vw, 14px);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(242, 242, 242, 0.4);
}

/* Project body */
.project-body {
  padding: clamp(24px, 3vw, 48px);
}
.project-desc {
  font-size: clamp(14px, 1.1vw, 17px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 440px;
  margin-bottom: clamp(16px, 2vw, 32px);
}
.project-bullets {
  margin-top: clamp(16px, 2vw, 32px);
}
.project-bullet {
  display: flex;
  align-items: flex-start;
  font-size: clamp(14px, 1.1vw, 17px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 440px;
}
.project-bullet + .project-bullet {
  margin-top: clamp(8px, 1vw, 16px);
}
.project-bullet::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: rgba(242, 242, 242, 0.35);
  border-radius: 50%;
  margin-right: clamp(8px, 1vw, 14px);
  margin-top: 10px;
  flex-shrink: 0;
}

/* Projects grid */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* More projects grid */
.more-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(48px, 6vw, 96px);
}
.more-project-card {
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: background-color var(--transition-default), border-color var(--transition-default);
  padding: clamp(24px, 2.5vw, 40px);
}
.more-project-card:hover {
  background-color: #0D0D0D;
  border-color: rgba(242, 242, 242, 0.12);
}
.more-project-title {
  font-size: clamp(20px, 2vw, 32px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: clamp(8px, 1vw, 16px);
}
.more-project-year {
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(242, 242, 242, 0.4);
  margin-bottom: clamp(12px, 1.5vw, 20px);
}
.more-project-desc {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: clamp(16px, 2vw, 24px);
}

/* ═══════════════════════════════════════════
   TEACHING SECTION
   ═══════════════════════════════════════════ */
.teaching-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 1vw, 16px);
}
.teaching-card {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(20px, 2vw, 32px);
  min-height: clamp(420px, 50vw, 640px);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  cursor: default;
}
.teaching-card:hover {
  transform: scale(1.02);
}
.teaching-card.teal {
  background-color: var(--color-accent);
  color: #111;
  box-shadow: 0 24px 80px rgba(0,182,182,0.15), 0 8px 32px rgba(0,0,0,0.25);
}
.teaching-card.white {
  background-color: #F2F2F2;
  color: #111;
  box-shadow: 0 24px 80px rgba(0,0,0,0.10), 0 8px 32px rgba(0,0,0,0.15);
}
.teaching-card.dark {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 24px 80px rgba(255,255,255,0.04), 0 8px 32px rgba(0,0,0,0.35);
}
.teaching-card-title {
  font-size: clamp(18px, 1.8vw, 28px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: clamp(12px, 1.5vw, 20px);
}
.teaching-card-desc {
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 400;
  line-height: 1.55;
  opacity: 0.75;
}
.teaching-card-logo {
  font-size: clamp(14px, 1.2vw, 18px);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: auto;
}

/* ═══════════════════════════════════════════
   NICE TO MEET YOU SECTION
   ═══════════════════════════════════════════ */
.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 80px);
  margin-top: clamp(48px, 6vw, 96px);
}
.about-detail-item {
  padding: clamp(16px, 2vw, 28px) 0;
  border-bottom: 1px solid var(--color-border);
}
.about-detail-label {
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: clamp(8px, 1vw, 12px);
}
.about-detail-value {
  font-size: clamp(14px, 1.1vw, 17px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Traits */
.traits {
  margin-top: clamp(48px, 6vw, 80px);
}
.traits-title {
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: clamp(16px, 1.5vw, 24px);
}
.traits-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.trait {
  font-size: clamp(11px, 0.8vw, 13px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 7px 16px;
  white-space: nowrap;
}
.trait.negative {
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   PRINCIPLES SECTION
   ═══════════════════════════════════════════ */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 1.5vw, 24px);
}
.principle-card {
  position: relative;
  overflow: hidden;
  background-color: rgba(242, 242, 242, 0.05);
  border: 1px solid rgba(242, 242, 242, 0.10);
  border-radius: 20px;
  padding: clamp(32px, 2.5vw, 48px);
  min-height: clamp(240px, 18vw, 320px);
  display: flex;
  flex-direction: column;
  transition: background-color 0.5s var(--ease-out), border-color 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
  cursor: default;
}
.principle-card:hover {
  background-color: rgba(0, 182, 182, 0.06);
  border-color: rgba(0, 182, 182, 0.45);
  box-shadow: 0 0 24px rgba(0,182,182,0.04), inset 0 1px 0 rgba(242,242,242,0.08);
}
.principle-number {
  position: absolute;
  top: -12px;
  right: clamp(16px, 2vw, 32px);
  font-size: clamp(120px, 10vw, 200px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(242, 242, 242, 0.03);
  pointer-events: none;
  user-select: none;
  transition: color 0.5s var(--ease-out);
}
.principle-card:hover .principle-number {
  color: rgba(0, 182, 182, 0.06);
}
.principle-num-label {
  font-size: clamp(12px, 0.75vw, 13px);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: rgba(242, 242, 242, 0.4);
  margin-bottom: clamp(16px, 1.5vw, 24px);
  position: relative;
  z-index: 1;
  transition: color 0.4s var(--ease-out);
}
.principle-card:hover .principle-num-label {
  color: var(--color-accent);
}
.principle-title {
  font-size: clamp(24px, 2.2vw, 38px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--color-text);
  position: relative;
  z-index: 1;
}
.principle-body {
  font-size: clamp(13px, 0.9vw, 15px);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.005em;
  color: var(--color-text);
  margin-top: auto;
  padding-top: clamp(20px, 2vw, 40px);
  max-width: 85%;
  position: relative;
  z-index: 1;
}
.principle-line {
  height: 2px;
  background-color: var(--color-accent);
  margin-top: clamp(16px, 1.5vw, 24px);
  width: 32px;
  opacity: 0.5;
  transition: width 0.5s var(--ease-out), opacity 0.5s var(--ease-out);
}
.principle-card:hover .principle-line {
  width: 48px;
  opacity: 1;
}

/* ═══════════════════════════════════════════
   WHAT I'M LOOKING FOR SECTION
   ═══════════════════════════════════════════ */
.looking-for-item {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 4vw, 80px);
  align-items: baseline;
  padding: clamp(28px, 2.5vw, 40px) 0;
  border-bottom: 1px solid var(--color-border);
}
.looking-for-title {
  font-size: clamp(18px, 1.5vw, 24px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: clamp(10px, 1vw, 16px);
}
.looking-for-dot {
  width: clamp(3px, 0.3vw, 5px);
  height: clamp(3px, 0.3vw, 5px);
  background-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform 0.4s var(--ease-out);
}
.looking-for-item:hover .looking-for-dot {
  transform: scale(2);
}
.looking-for-body {
  font-size: clamp(14px, 1.1vw, 17px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-subtle);
  max-width: 560px;
}

/* ═══════════════════════════════════════════
   TESTIMONIALS SECTION
   ═══════════════════════════════════════════ */
#testimonials {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(80px, 10vw, 160px) 0;
}
.testimonials-marquee {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}
.testimonials-marquee-track {
  display: flex;
  white-space: nowrap;
  animation: testimonials-scroll 65s linear infinite;
  width: max-content;
}
.testimonials-marquee-text {
  font-size: clamp(100px, 10vw, 180px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.04);
  padding-right: clamp(60px, 6vw, 100px);
}
@keyframes testimonials-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════ */
#contact {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.contact-inner {
  padding: 48px;
  overflow: hidden;
}
.contact-heading {
  font-size: clamp(140px, 16vw, 360px);
  font-weight: 600;
  line-height: 0.65;
  letter-spacing: -0.04em;
  color: #fff;
}
.contact-links {
  position: absolute;
  bottom: 48px;
  right: 48px;
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 40px);
  z-index: 10;
}
.contact-link {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(242, 242, 242, 0.55);
  transition: color var(--transition-default);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.contact-link:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE (≤768px)
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .section-inner {
    padding-left: 16px;
    padding-right: 16px;
  }
  .sticky-label {
    padding-left: 16px;
  }
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }

  /* Hero */
  .hero-location {
    bottom: 24px;
    left: 16px;
  }
  .hero-title {
    bottom: 24px;
    right: 16px;
  }

  /* Services */
  .service-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .service-tags {
    justify-content: flex-start;
  }

  /* Projects */
  .more-projects-grid {
    grid-template-columns: 1fr;
  }

  /* Teaching */
  .teaching-grid {
    grid-template-columns: 1fr;
  }
  .teaching-card {
    min-height: 320px;
  }

  /* About details */
  .about-details {
    grid-template-columns: 1fr;
  }

  /* Principles */
  .principles-grid {
    grid-template-columns: 1fr;
  }

  /* Looking for */
  .looking-for-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Contact */
  .contact-inner {
    padding: 16px;
  }
  .contact-heading {
    font-size: clamp(72px, 22vw, 160px);
    line-height: 0.65;
    margin-bottom: 8px;
  }
  .contact-links {
    position: relative;
    bottom: auto;
    right: auto;
    padding: 16px;
    gap: 16px;
    margin-bottom: 20px;
  }
}

/* ═══════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #000;
}
::-webkit-scrollbar-thumb {
  background: rgba(242, 242, 242, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(242, 242, 242, 0.3);
}

/* Selection */
::selection {
  background: rgba(0, 182, 182, 0.3);
  color: #fff;
}