@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@100;300;400;500;600;700;800;900&display=swap');

/* --- Core Tokens & Reset --- */
:root {
  --neon-blue: #00f0ff;
  --neon-blue-rgb: 0, 240, 255;
  --neon-purple: #8a2be2;
  --neon-purple-rgb: 138, 43, 226;
  --neon-green: #4ade80;
  --neon-green-rgb: 74, 222, 128;
  --neon-yellow: #facc15;
  
  --font-sans: 'Outfit', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Default Dark Mode */
  --bg-primary: #030305;
  --bg-secondary: #060609;
  --text-white: #ffffff;
  --text-muted: #9ca3af;
  --text-dark: #6b7280;
  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.05);
  --timeline-line: rgba(255, 255, 255, 0.08);
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #030305;
  --btn-secondary-bg: rgba(255, 255, 255, 0.03);
  --btn-secondary-border: rgba(255, 255, 255, 0.08);
  --btn-secondary-text: #ffffff;
  --shadow-primary: rgba(0, 240, 255, 0.1);
  --ambient-opacity: 0.15;
  --nav-bg: rgba(3, 3, 5, 0.7);
  --card-glow-opacity: 0.15;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-white: #0f172a;
  --text-muted: #475569;
  --text-dark: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.02);
  --glass-border: rgba(15, 23, 42, 0.08);
  --timeline-line: rgba(15, 23, 42, 0.1);
  --btn-primary-bg: #0f172a;
  --btn-primary-text: #f8fafc;
  --btn-secondary-bg: rgba(15, 23, 42, 0.04);
  --btn-secondary-border: rgba(15, 23, 42, 0.12);
  --btn-secondary-text: #0f172a;
  --shadow-primary: rgba(15, 23, 42, 0.05);
  --ambient-opacity: 0.06;
  --nav-bg: rgba(248, 250, 252, 0.85);
  --card-glow-opacity: 0.08;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-white);
  font-family: var(--font-sans);
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--neon-blue);
  color: #030305;
}

/* --- Layout Wrappers --- */
main {
  width: 100%;
  overflow-x: hidden;
  position: relative;
}

section {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.max-w-7xl {
  max-width: 1200px;
  margin: 0 auto;
}

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

.mb-20 {
  margin-bottom: 80px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  h2 {
    font-size: 3.5rem;
  }
}

.text-gradient {
  background: linear-gradient(to right, var(--text-white), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-neon-blue {
  color: var(--neon-blue);
  text-shadow: 0 0 15px rgba(var(--neon-blue-rgb), 0.3);
}

.text-neon-purple {
  color: var(--neon-purple);
  text-shadow: 0 0 15px rgba(var(--neon-purple-rgb), 0.3);
}

/* --- Glow Backgrounds --- */
.ambient-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--neon-blue-rgb), var(--ambient-opacity)) 0%, rgba(var(--neon-purple-rgb), var(--ambient-opacity)) 50%, transparent 100%);
  filter: blur(80px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  animation: pulse-slow 10s infinite alternate ease-in-out;
}

@media (min-width: 768px) {
  .ambient-glow {
    width: 600px;
    height: 600px;
    filter: blur(120px);
  }
}

/* --- Glassmorphism Panels --- */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  transition: var(--transition-smooth), background-color 0.5s ease, border-color 0.5s ease;
}

.glass-panel:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

[data-theme="light"] .glass-panel:hover {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.15);
}

/* --- Navigation Bar --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-smooth), background-color 0.5s ease;
  padding: 24px 0;
  background: transparent;
}

nav.scrolled {
  padding: 16px 0;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.logo:hover {
  transform: scale(1.05);
}

.logo span {
  color: var(--neon-blue);
}

.nav-links {
  display: none;
  gap: 32px;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    align-items: center;
  }
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

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

.nav-links a.active {
  color: var(--neon-blue);
  text-shadow: 0 0 10px rgba(var(--neon-blue-rgb), 0.3);
}

/* Lang Switcher */
.lang-switcher {
  display: flex;
  background: var(--btn-secondary-bg);
  border: 1px solid var(--btn-secondary-border);
  border-radius: 50px;
  padding: 2px;
  position: relative;
  cursor: pointer;
  user-select: none;
  transition: var(--transition-smooth);
}

.lang-btn {
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 50px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  z-index: 2;
}

.lang-btn.active {
  color: var(--btn-primary-text);
  background: var(--btn-primary-bg);
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--btn-secondary-bg);
  border: 1px solid var(--btn-secondary-border);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-white);
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  transform: scale(1.08);
  border-color: var(--neon-blue);
  box-shadow: 0 0 10px rgba(var(--neon-blue-rgb), 0.2);
}

.theme-toggle svg {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover svg {
  transform: rotate(30deg);
}

/* Hamburger Menu button */
.menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 110;
  border: none;
  background: transparent;
}

.menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

@media (min-width: 768px) {
  .menu-btn {
    display: none;
  }
}

.menu-btn.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 95;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.5s ease;
}

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

.mobile-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  font-weight: 800;
  transition: var(--transition-smooth);
}

.mobile-nav a:hover, .mobile-nav a.active {
  color: var(--text-white);
  transform: scale(1.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --- CTA Buttons --- */
.btn {
  display: inline-block;
  text-decoration: none;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 800;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth), background-color 0.5s ease, color 0.5s ease;
  text-align: center;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 0 0 15px var(--shadow-primary);
}

.btn-primary:hover {
  transform: scale(1.05);
  background: var(--neon-blue);
  color: #030305;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .btn-secondary:hover {
  background: rgba(15, 23, 42, 0.08);
}

/* --- Hero Section --- */
.hero {
  padding-top: 160px;
  padding-bottom: 80px;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-blue);
  animation: ping 1.5s infinite ease-in-out;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 4.8rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 5.5rem;
  }
}

.hero h1 span.gradient {
  background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.25));
}

.hero-bio {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 700px;
  line-height: 1.7;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .hero-bio {
    font-size: 1.3rem;
  }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* --- About Profile Section --- */
.about {
  padding: 80px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.about-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 2fr;
  }
}

.about-card {
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--neon-blue);
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 900;
  color: #030305;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.about-avatar-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 24px;
  border: 3px solid var(--neon-blue);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
  display: block;
}

.about-name {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.about-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-text {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
}

/* --- Technical Arsenal --- */
.expertise {
  padding: 100px 24px;
}

.expertise-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 24px;
  margin-top: 60px;
}

@media (min-width: 640px) {
  .expertise-grid {
    grid-template-cols: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .expertise-grid {
    grid-template-cols: repeat(4, 1fr);
  }
}

.expertise-card {
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.expertise-card.blue {
  border-top: 3px solid var(--neon-blue);
}
.expertise-card.blue:hover {
  box-shadow: 0 15px 35px rgba(var(--neon-blue-rgb), 0.1);
  border-color: var(--neon-blue);
}

.expertise-card.purple {
  border-top: 3px solid var(--neon-purple);
}
.expertise-card.purple:hover {
  box-shadow: 0 15px 35px rgba(var(--neon-purple-rgb), 0.1);
  border-color: var(--neon-purple);
}

.expertise-card.green {
  border-top: 3px solid var(--neon-green);
}
.expertise-card.green:hover {
  box-shadow: 0 15px 35px rgba(var(--neon-green-rgb), 0.1);
  border-color: var(--neon-green);
}

.expertise-card.white {
  border-top: 3px solid var(--text-white);
}
.expertise-card.white:hover {
  box-shadow: 0 15px 35px rgba(255, 255, 255, 0.08);
  border-color: var(--text-white);
}

.expertise-card h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.expertise-card.blue h3 { color: var(--neon-blue); }
.expertise-card.purple h3 { color: var(--neon-purple); }
.expertise-card.green h3 { color: var(--neon-green); }
.expertise-card.white h3 { color: var(--text-white); }

.expertise-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.expertise-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.expertise-list li span.bullet {
  font-size: 0.8rem;
  transition: var(--transition-smooth);
}

.expertise-card.blue li span.bullet { color: var(--neon-blue); }
.expertise-card.purple li span.bullet { color: var(--neon-purple); }
.expertise-card.green li span.bullet { color: var(--neon-green); }
.expertise-card.white li span.bullet { color: var(--text-white); }

/* --- Career Timeline (Milestones) --- */
.timeline {
  padding: 100px 24px;
  background: var(--bg-primary);
}

.timeline-container {
  max-width: 900px;
  margin: 60px auto 0;
  border-left: 2px solid var(--timeline-line);
  padding-left: 24px;
  position: relative;
}

@media (min-width: 768px) {
  .timeline-container {
    padding-left: 48px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 64px;
}

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

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 4px solid var(--neon-blue);
  transition: var(--transition-smooth);
}

@media (min-width: 768px) {
  .timeline-marker {
    left: -57px;
    width: 20px;
    height: 20px;
    border-width: 4px;
  }
}

.timeline-item:nth-child(2) .timeline-marker { border-color: var(--neon-purple); }
.timeline-item:nth-child(3) .timeline-marker { border-color: var(--neon-green); }
.timeline-item:nth-child(4) .timeline-marker { border-color: var(--neon-yellow); }
.timeline-item:nth-child(5) .timeline-marker { border-color: var(--text-white); }

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  box-shadow: 0 0 15px var(--neon-blue);
}

.timeline-item:nth-child(2):hover .timeline-marker { box-shadow: 0 0 15px var(--neon-purple); }
.timeline-item:nth-child(3):hover .timeline-marker { box-shadow: 0 0 15px var(--neon-green); }
.timeline-item:nth-child(4):hover .timeline-marker { box-shadow: 0 0 15px var(--neon-yellow); }
.timeline-item:nth-child(5):hover .timeline-marker { box-shadow: 0 0 15px rgba(255, 255, 255, 0.5); }

.timeline-content {
  cursor: pointer;
}

.timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
  transition: var(--transition-smooth);
}

.timeline-item:hover h3 {
  color: var(--neon-blue);
}
.timeline-item:nth-child(2):hover h3 { color: var(--neon-purple); }
.timeline-item:nth-child(3):hover h3 { color: var(--neon-green); }
.timeline-item:nth-child(4):hover h3 { color: var(--neon-yellow); }
.timeline-item:nth-child(5):hover h3 { color: var(--text-white); }

.timeline-company {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--neon-blue);
  margin-bottom: 16px;
}

.timeline-item:nth-child(2) .timeline-date { color: var(--neon-purple); }
.timeline-item:nth-child(3) .timeline-date { color: var(--neon-green); }
.timeline-item:nth-child(4) .timeline-date { color: var(--neon-yellow); }
.timeline-item:nth-child(5) .timeline-date { color: var(--text-white); }

.timeline-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 300;
}

.timeline-details {
  display: grid;
  grid-template-cols: 1fr;
  gap: 16px;
  margin-top: 20px;
}

@media (min-width: 768px) {
  .timeline-details {
    grid-template-cols: repeat(3, 1fr);
  }
}

.timeline-detail-card {
  padding: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border: 1px solid var(--glass-border);
}

.timeline-detail-card span.highlight {
  display: block;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

/* --- Projects --- */
.projects {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 32px;
  margin-top: 60px;
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-cols: repeat(2, 1fr);
  }
}

.project-card {
  padding: 40px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  filter: blur(50px);
  border-radius: 50%;
  opacity: var(--card-glow-opacity);
  pointer-events: none;
  transition: var(--transition-smooth);
}

.project-card:hover .project-glow {
  opacity: 0.3;
  transform: scale(1.5);
}

.project-card.blue-glow .project-glow { background: var(--neon-blue); }
.project-card.purple-glow .project-glow { background: var(--neon-purple); }
.project-card.green-glow .project-glow { background: var(--neon-green); }
.project-card.yellow-glow .project-glow { background: var(--neon-yellow); }

.project-card:hover {
  border-color: rgba(var(--neon-blue-rgb), 0.2);
}
.project-card.blue-glow:hover { border-color: rgba(var(--neon-blue-rgb), 0.3); }
.project-card.purple-glow:hover { border-color: rgba(138, 43, 226, 0.3); }
.project-card.green-glow:hover { border-color: rgba(74, 222, 128, 0.3); }
.project-card.yellow-glow:hover { border-color: rgba(250, 204, 21, 0.3); }

.project-tag {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.project-card.blue-glow .project-tag { color: var(--neon-blue); }
.project-card.purple-glow .project-tag { color: var(--neon-purple); }
.project-card.green-glow .project-tag { color: var(--neon-green); }
.project-card.yellow-glow .project-tag { color: var(--neon-yellow); }

.project-card h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.project-desc {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 32px;
  flex-grow: 1;
}

.project-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tech-tag {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* --- Testimonials --- */
.testimonials {
  padding: 100px 24px;
}

.testimonials-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 24px;
  margin-top: 60px;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-cols: repeat(2, 1fr);
  }
}

.testimonial-card {
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.quote-icon {
  position: absolute;
  top: -20px;
  left: 10px;
  font-size: 10rem;
  font-family: serif;
  color: rgba(255, 255, 255, 0.02);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.testimonial-quote {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.testimonial-author {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--text-dark);
  text-transform: uppercase;
}

/* --- Footer --- */
footer {
  padding: 120px 24px 80px;
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  text-align: center;
  position: relative;
  overflow: hidden;
}

footer h2 {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  footer h2 {
    font-size: 4.5rem;
  }
}

footer p {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto 48px;
}

.footer-ctas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
}

@media (min-width: 768px) {
  .footer-ctas {
    flex-direction: row;
  }
}

.footer-btn {
  padding: 16px 36px;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 320px;
}

.btn-email {
  background: var(--text-white);
  color: #030305;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.15);
}

.btn-email:hover {
  background: var(--neon-blue);
  color: #030305;
  transform: scale(1.05);
  box-shadow: 0 0 45px rgba(0, 240, 255, 0.5);
}

.btn-whatsapp {
  border: 2px solid #25d366;
  color: #25d366;
  background: transparent;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.05);
}

.btn-whatsapp:hover {
  background: #25d366;
  color: #030305;
  transform: scale(1.05);
  box-shadow: 0 0 35px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp-sec {
  border: 2px solid rgba(37, 211, 102, 0.5);
  color: rgba(37, 211, 102, 0.85);
  background: transparent;
}

.btn-whatsapp-sec:hover {
  border-color: #25d366;
  background: #25d366;
  color: #030305;
  transform: scale(1.05);
}

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

/* --- Scroll Animation Classes --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Keyframe Animations --- */
@keyframes pulse-slow {
  0%, 100% {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.7;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

@keyframes ping {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.2);
    opacity: 0;
  }
}