/* ============================================
   Design System — Variables & Reset
   ============================================ */
:root {
  --bg-color: #0b0b13;
  --bg-alt: #0f0f17;
  --text-color: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.6);
  --accent-color: #d3fe64;
  --accent-hover: #bce654;
  --accent-glow: rgba(211, 254, 100, 0.15);
  --card-bg: #15151e;
  --card-border: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-main: "Outfit", sans-serif;
  --radius-sm: 10px;
  --radius-md: 15px;
  --radius-lg: 50px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  padding-top: 80px;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-main);
  overflow-x: hidden;
  width: 100%;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul {
  list-style: none;
}

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

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

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
}

/* ============================================
   Utilities
   ============================================ */
.section-title {
  font-size: 2rem;
  color: var(--accent-color);
  margin-bottom: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--accent-color);
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

.desktop-only {
  display: flex;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-glow);
}

/* --- Scroll Reveal --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-delay="1"] { transition-delay: 0.15s; }
[data-delay="2"] { transition-delay: 0.3s; }
[data-delay="3"] { transition-delay: 0.45s; }

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  background: var(--accent-color);
  color: #0b0b13;
  padding: 0.85rem 2.2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(211, 254, 100, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  padding: 0.85rem 2.2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--accent-glow);
  transform: translateY(-3px);
}

.btn-link {
  font-size: 0.9rem;
  color: var(--text-color);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  position: relative;
}

.btn-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width var(--transition);
}

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

.btn-link:hover::after {
  width: 100%;
}

.btn-contact {
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-contact:hover {
  background: var(--glass-border);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(11, 11, 19, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--card-border);
  background: rgba(11, 11, 19, 0.95);
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-color);
  border-radius: 1px;
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* --- Hamburger Menu --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-color);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 5% 60px;
  background: radial-gradient(
    ellipse at 50% 30%,
    #1a2438 0%,
    var(--bg-color) 65%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(211, 254, 100, 0.06) 0%,
    transparent 70%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.greeting {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.name {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.role {
  font-size: clamp(1.4rem, 4vw, 2.5rem);
  background: linear-gradient(135deg, #fff 30%, #888);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.subrole {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 3rem;
}

.hero .btn-primary {
  margin-top: 0;
}

/* --- Hero Image + Floating Cards --- */
.hero-image-container {
  position: relative;
  width: 100%;
  max-width: 750px;
  height: 420px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin-bottom: 2.5rem;
}

.mi-foto {
  width: auto;
  max-width: 100%;
  height: 450px;
  object-fit: cover;
  filter: drop-shadow(0 0 30px rgba(211, 254, 100, 0.25));
  background: transparent;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.floating-card {
  position: absolute;
  background: rgba(20, 20, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 1.2rem;
  z-index: 2;
  animation: float 5s ease-in-out infinite;
}

.left-card {
  top: 50%;
  left: 5%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 210px;
  text-align: left;
  animation-delay: 0s;
}

.card-icon {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.8rem;
  border-radius: 50%;
  color: var(--accent-color);
  flex-shrink: 0;
}

.card-text span {
  font-weight: 700;
  font-size: 0.9rem;
  display: block;
}

.card-text p {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.right-card {
  top: 35%;
  right: 5%;
  width: 200px;
  text-align: left;
  animation-delay: 2.5s;
}

.right-card h3 {
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

.skill-meter {
  margin-bottom: 0.8rem;
}

.skill-meter span {
  font-size: 0.7rem;
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-muted);
}

.meter {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.meter .fill {
  height: 100%;
  width: var(--skill-width, 0%);
  background: var(--accent-color);
  border-radius: 2px;
  transition: width 1.2s ease-out;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
  padding: 6rem 5%;
  text-align: center;
}

.about-container {
  max-width: 700px;
  margin: 0 auto;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
}

/* ============================================
   Skills Section
   ============================================ */
.skills-section {
  padding: 6rem 5%;
  background: var(--bg-alt);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
}

.skill-card {
  padding: 2rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.skill-card i {
  font-size: 2.5rem;
}

.skill-card span {
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.skill-card.html i { color: #e34c26; }
.skill-card.css i { color: #264de4; }
.skill-card.js i { color: #f7df1e; }
.skill-card.git i { color: #f05032; }

/* ============================================
   Projects Section
   ============================================ */
.projects-section {
  padding: 6rem 5%;
}

.projects-single-container {
  max-width: 900px;
  margin: 0 auto;
}

.project-card.featured-project {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-image {
  background: #1e1e28;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  padding: 0;
}

.project-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-card:hover .project-image img {
  transform: scale(1.05);
}

.project-info {
  padding: 2rem;
}

.project-info h3 {
  margin-bottom: 1rem;
  color: var(--text-color);
  font-size: 1.5rem;
}

.project-info p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.project-tags span {
  font-size: 0.75rem;
  background: rgba(211, 254, 100, 0.06);
  color: var(--accent-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid rgba(211, 254, 100, 0.15);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.project-links {
  display: flex;
  gap: 1.5rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  padding: 6rem 5%;
  text-align: center;
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2rem;
  font-size: 1.2rem;
}

.contact-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: #08080e;
  padding: 3rem 5% 2rem;
  border-top: 1px solid var(--card-border);
}

.footer-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand .logo {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
  display: block;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.footer-socials {
  display: flex;
  gap: 1.2rem;
}

.footer-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-socials a:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  background: var(--accent-glow);
  transform: translateY(-3px);
}

.footer-copy p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.5px;
}

/* ============================================
   Keyframe Animations
   ============================================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Responsive — Desktop (≥768px)
   ============================================ */
@media (min-width: 768px) {
  .project-card.featured-project {
    flex-direction: row;
    align-items: stretch;
  }

  .project-image {
    width: 50%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .project-info {
    width: 50%;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

/* ============================================
   Responsive — Tablet (≤768px)
   ============================================ */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .desktop-only {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: rgba(11, 11, 19, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--card-border);
    z-index: 999;
  }

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

  .nav-links a {
    font-size: 1rem;
  }

  .hero-image-container {
    height: auto;
    flex-direction: column;
    align-items: center;
  }

  .floating-card {
    position: relative;
    margin: 0.8rem 0;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    width: 100%;
    max-width: 280px;
    animation: none;
  }

  .mi-foto {
    height: 350px;
  }
}

/* ============================================
   Responsive — Mobile (≤600px)
   ============================================ */
@media (max-width: 600px) {
  body {
    padding-top: 70px;
  }

  .section-title {
    font-size: 1.4rem;
    letter-spacing: 2px;
  }

  .project-info {
    text-align: center;
    padding: 1.5rem 1rem;
  }

  .project-tags {
    justify-content: center;
  }

  .project-links {
    justify-content: center;
  }

  .about-section,
  .skills-section,
  .projects-section,
  .contact-section {
    padding: 4rem 5%;
  }

  .hero {
    padding-top: 80px;
  }

  .mi-foto {
    height: 280px;
  }

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

  .contact-links {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}