/* ============================================
   ELOI GIL — Personal Website Styles
   ============================================ */

:root {
  --bg: #0a0a0a;
  --bg-light: #111111;
  --text: #f0f0f0;
  --text-dim: #888888;
  --accent: #00f0ff;
  --accent-orange: #FF4500;
  --accent-glow: rgba(0, 240, 255, 0.3);
  --font: 'Space Grotesk', -apple-system, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::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);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

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

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ============================================
   LOADER
   ============================================ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content { text-align: center; }

.loader-text {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 2rem;
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  margin: 0 auto 1rem;
  border-radius: 2px;
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-orange));
  border-radius: 2px;
  transition: width 0.3s;
}

.loader-percent {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
}

/* ============================================
   CANVAS
   ============================================ */
#webgl {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

/* ============================================
   NAVIGATION
   ============================================ */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: all 0.4s var(--ease);
  mix-blend-mode: difference;
}

#nav.scrolled {
  padding: 1rem 3rem;
  background: rgba(10,10,10,0.8);
  backdrop-filter: blur(20px);
  mix-blend-mode: normal;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.nav-links { display: flex; gap: 2.5rem; }

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: var(--accent); }

.nav-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-menu span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s var(--ease);
}

.nav-menu.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-menu.active span:nth-child(2) { opacity: 0; }
.nav-menu.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
}

.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-link {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
}

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

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-menu { display: flex; }
  #nav { padding: 1rem 1.5rem; }
}

/* ============================================
   MAIN CONTENT
   ============================================ */
#content {
  position: relative;
  z-index: 1;
}

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem;
  position: relative;
}

.section-inner {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s var(--ease);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease) 0.1s;
}

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

.section.visible .section-label,
.section.visible .section-title {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HERO
   ============================================ */
.hero-section {
  flex-direction: column;
  justify-content: center;
  padding-bottom: 0;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.5s forwards;
}

.hero-title {
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 700;
  line-height: 0.9;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(60px);
  animation: fadeUp 1.2s var(--ease) forwards;
}

.hero-line[data-delay="0"] { animation-delay: 0.7s; }
.hero-line[data-delay="1"] { animation-delay: 0.9s; }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 1.2s forwards;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 1.4s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 2s forwards;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 40px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.2);
}

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

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s var(--ease);
}

.section.visible .about-text p:nth-child(2) { transition-delay: 0.2s; }
.section.visible .about-text p:nth-child(3) { transition-delay: 0.35s; }
.section.visible .about-text p { opacity: 1; transform: translateY(0); }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 1rem;
}

.stat {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s var(--ease);
}

.section.visible .stat { opacity: 1; transform: translateX(0); }
.section.visible .stat:nth-child(1) { transition-delay: 0.3s; }
.section.visible .stat:nth-child(2) { transition-delay: 0.45s; }
.section.visible .stat:nth-child(3) { transition-delay: 0.6s; }

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-stats { flex-direction: row; flex-wrap: wrap; gap: 2rem; }
  .stat-number { font-size: 2.5rem; }
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.5s var(--ease);
  opacity: 0;
  transform: translateY(40px);
}

.section.visible .project-card { opacity: 1; transform: translateY(0); }
.section.visible .project-card:nth-child(1) { transition-delay: 0.2s; }
.section.visible .project-card:nth-child(2) { transition-delay: 0.35s; }
.section.visible .project-card:nth-child(3) { transition-delay: 0.5s; }

.project-card:hover {
  border-color: var(--accent);
  background: rgba(0, 240, 255, 0.03);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 240, 255, 0.08);
}

.project-number {
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  transition: color 0.5s;
}

.project-card:hover .project-number { color: rgba(0, 240, 255, 0.15); }

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.project-card:hover .project-title { color: var(--accent); }

.project-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  max-width: 500px;
}

.project-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tag {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  border-radius: 2px;
  transition: all 0.3s;
}

.project-card:hover .tag { border-color: var(--accent); color: var(--accent); }

.project-visual {
  width: 80px;
  height: 80px;
  position: relative;
}

.project-shape {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  transition: all 0.5s var(--ease);
}

.project-card:hover .project-shape {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: rotate(90deg) scale(1.1);
}

.project-card:nth-child(2) .project-shape { border-radius: 2px; }
.project-card:nth-child(3) .project-shape { border-radius: 50% 2px; }

@media (max-width: 768px) {
  .project-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem;
  }
  .project-number { font-size: 2rem; }
  .project-visual { display: none; }
  .section { padding: 4rem 1.5rem; }
}

/* ============================================
   CONTACT
   ============================================ */
.contact-section .section-inner { max-width: 700px; }

.contact-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s var(--ease) 0.2s;
}

.section.visible .contact-sub { opacity: 1; transform: translateY(0); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s var(--ease) 0.3s;
}

.section.visible .contact-form { opacity: 1; transform: translateY(0); }

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding: 1rem 0 0.8rem;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.3s;
  resize: none;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: all 0.3s var(--ease);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.6rem;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
  width: 100%;
}

.btn-submit {
  align-self: flex-start;
  min-width: 200px;
}

.btn-submit .btn-loading,
.btn-submit .btn-success { display: none; }

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }

.btn-submit.success { background: #00c853; }
.btn-submit.success .btn-text { display: none; }
.btn-submit.success .btn-success { display: inline; }

.form-status {
  font-size: 0.85rem;
  min-height: 1.5em;
}

.form-status.error { color: var(--accent-orange); }
.form-status.success { color: #00c853; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 2rem 3rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-right {
  display: flex;
  gap: 1.5rem;
}

.footer-right a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color 0.3s;
}

.footer-right a:hover { color: var(--accent); }

/* ============================================
   UTILITIES & ANIMATIONS
   ============================================ */
@media (max-width: 768px) {
  .hero-title { font-size: clamp(3rem, 12vw, 8rem); }
  .footer { padding: 2rem 1.5rem; }
  .footer-inner { justify-content: center; text-align: center; }
}

/* Smooth section reveals */
.section { opacity: 0.3; transition: opacity 0.5s; }
.section.visible { opacity: 1; }
.hero-section { opacity: 1; }