:root {
  --bg:        #020617;
  --bg2:       #060d1f;
  --neon:      #00f5ff;
  --neon-dim:  rgba(0, 245, 255, 0.15);
  --neon-glow: 0 0 20px rgba(0, 245, 255, 0.4);
  --white:     #f0f4ff;
  --muted:     #8899bb;
  --border:    rgba(0, 245, 255, 0.12);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ═══════════════ HEADER ═══════════════ */
header {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 60px;
  z-index: 100;
  transition: all 0.4s ease;
}

header.scrolled {
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(12px);
  padding: 14px 60px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--neon);
  letter-spacing: 0.1em;
}

nav {
  display: flex;
  gap: 36px;
  font-size: 30px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 20px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  position: relative;
  transition: color 0.3s;
}

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

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--neon);
  transition: width 0.3s ease;
}

nav a:hover::after { width: 100%; }

/* ── Hamburger menu (mobile only) ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--neon);
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
nav.mobile-open {
  display: flex;
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(2,6,23,0.45), rgba(2,6,23,0.7)),
    url('images/bitcode.png') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,245,255,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 52%;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--neon);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 18px;
}

.hero-name .neon {
  color: var(--neon);
  text-shadow: var(--neon-glow);
}

/* ── Role drop animation ── */
.role-wrapper {
  position: relative;
  height: 2em;
  overflow: hidden;
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.role {
  position: absolute;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--neon);
  letter-spacing: 0.2em;
  opacity: 0;
}

.role.enter {
  animation: roleDropIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.role.exit {
  animation: roleDropOut 0.7s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

@keyframes roleDropIn {
  0%   { transform: translateY(-140%); opacity: 0; filter: blur(4px); }
  60%  { opacity: 1; filter: blur(0); }
  100% { transform: translateY(0);     opacity: 1; }
}

@keyframes roleDropOut {
  0%   { transform: translateY(0);    opacity: 1; }
  100% { transform: translateY(140%); opacity: 0; filter: blur(4px); }
}

.hero-desc {
  font-size: clamp(18px, 1.6vw, 22px);
  color: #c8d8f0;
  line-height: 1.75;
  margin-bottom: 36px;
  font-weight: 300;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-primary {
  display: inline-block;
  padding: 13px 32px;
  background: var(--neon);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-primary:hover {
  box-shadow: var(--neon-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  padding: 13px 32px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 1; }
}

/* ═══════════════ SECTION SHARED ═══════════════ */
.section-label {
  font-family: var(--font-mono);
  color: var(--neon);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 54px);
  letter-spacing: 0.04em;
  color: var(--white);
}

section {
  padding: 120px 80px;
}

/* ═══════════════ ABOUT ═══════════════ */
.about {
  background: var(--bg);
  padding: 120px 80px;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 56px);
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.about-text h2 em {
  font-style: italic;
  color: var(--neon);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: 100%;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 20px;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--neon);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* about image */
.about-image {
  position: relative;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease;
}

.about-image.visible {
  opacity: 1;
  transform: translateX(0);
}

.image-frame {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  position: relative;
  background: var(--bg2);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 80px;
  color: var(--neon-dim);
  letter-spacing: 0.2em;
}

.image-accent {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 60%;
  height: 60%;
  border: 1px solid var(--border);
  pointer-events: none;
  z-index: -1;
}

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

/* ═══════════════ BIBLE VERSE ═══════════════ */
.verse-section {
  text-align: center;
  padding: 64px 40px 56px;
  border-top: 1px solid var(--border-soft);
  margin-top: 80px;
}

.verse-words {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
  min-height: 56px;
  align-items: center;
  margin-bottom: 20px;
}

.vw {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 300;
  font-style: italic;
  color: var(--text);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

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

.vw-hl {
  color: var(--accent);
  font-weight: 500;
}

.verse-ref {
  font-family: var(--border-soft);
  font-size: 20px;
  letter-spacing: 0.18em;
  color: var(--neon);
  opacity: 0;
  transition: opacity 0.6s ease;
  margin-top: 10px;
}

/* ═══════════════ SKILLS ═══════════════ */
.skills {
  background: rgb(40, 40, 54);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.skill-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 36px 28px;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(24px);
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-card:hover {
  border-color: var(--neon);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0, 245, 255, 0.08);
}

.skill-icon {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--neon);
  margin-bottom: 16px;
  line-height: 1;
}

.skill-card h3 {
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 16px;
}

.skill-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-card li {
  font-size: 14px;
  color: var(--muted);
  font-family: var(--font-mono);
  padding-left: 12px;
  position: relative;
}

.skill-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--neon);
  font-size: 10px;
  top: 3px;
}

/* ═══════════════ PROJECTS ═══════════════ */
.projects {
  background: var(--bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(24px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  border-color: rgba(0,245,255,0.3);
  transform: translateY(-4px);
}

.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-card.featured .project-img {
  aspect-ratio: auto;
  min-height: 280px;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  transition: opacity 0.4s;
}

.project-card:hover .project-img img { opacity: 1; }

.project-img-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  color: rgba(0,245,255,0.1);
}

.project-info {
  padding: 28px 32px;
}

.project-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon);
  background: var(--neon-dim);
  padding: 3px 10px;
  letter-spacing: 0.05em;
}

.project-info h3 {
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 10px;
}

.project-info p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.project-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.link-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--bg);
  background: var(--neon);
  padding: 8px 20px;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}

.link-btn:hover {
  box-shadow: var(--neon-glow);
}

.link-ghost {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.link-ghost:hover {
  color: var(--white);
  border-color: var(--white);
}

/* ═══════════════ FOOTER ═══════════════ */
footer {
  display: flex;
  flex-direction: column;
  background: rgb(40, 40, 54);
  border-top: 1px solid var(--border);
  padding: 72px 80px 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto 56px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 34px;
  color: var(--neon);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.footer-label {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--neon);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-contact,
.footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact a,
.footer-social a {
  color: var(--muted);
  text-decoration: none;
  font-size: 18px;
  transition: color 0.3s;
}

.footer-contact a:hover,
.footer-social a:hover {
  color: var(--neon);
}

.footer-location {
  font-size: 16px;
  color: rgba(136,153,187,0.5);
  margin-top: 4px;
}

.footer-bottom {
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--neon);
  max-width: 1200px;
  margin: 0 auto;
}

/* Footer links with icons */
.footer-link {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  text-decoration: none;
  font-size: 18px;
  transition: color 0.3s, transform 0.2s;
}

.footer-link:hover {
  transform: translateX(4px);
}

/* contact hover — accent blue */
.footer-contact .footer-link:hover {
  color: var(--accent);
}

/* per-brand social hover colors */
.footer-link.whatsapp:hover  { color: #25D366; }
.footer-link.github:hover    { color: #767272; }
.footer-link.linkedin:hover  { color: #0A66C2; }
.footer-link.instagram:hover { color: #E1306C; }

/* location row */
span.footer-link {
  cursor: default;
  pointer-events: none;
  color: var(--faint);
}

/* ═══════════════ SCROLL ANIMATIONS ═══════════════ */
.about-text {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease;
}

.about-text.visible {
  opacity: 1;
  transform: translateX(0);
}

.skill-card:nth-child(1) { transition-delay: 0s; }
.skill-card:nth-child(2) { transition-delay: 0.1s; }
.skill-card:nth-child(3) { transition-delay: 0.2s; }
.skill-card:nth-child(4) { transition-delay: 0.3s; }

.project-card:nth-child(2) { transition-delay: 0.1s; }
.project-card:nth-child(3) { transition-delay: 0.2s; }


/* ═══════════════════════════════════════════════════
   RESPONSIVE — TABLET (≤ 1024px)
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  header {
    padding: 20px 36px;
  }

  header.scrolled {
    padding: 12px 36px;
  }

  section {
    padding: 90px 48px;
  }

  .about {
    padding: 90px 48px;
  }

  .about-inner {
    gap: 48px;
  }

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

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

  .project-card.featured {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  .project-card.featured .project-img {
    min-height: 240px;
    aspect-ratio: 16/9;
  }

  .footer-inner {
    flex-wrap: wrap;
    gap: 40px;
  }

  footer {
    padding: 56px 48px 28px;
  }
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE — MOBILE (≤ 768px)
   ═══════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Header ── */
  header {
    padding: 16px 20px;
  }

  header.scrolled {
    padding: 12px 20px;
  }

  .logo {
    font-size: 18px;
  }

  /* Hide nav links, show hamburger */
  nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(2, 6, 23, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 150;
  }

  nav.mobile-open {
    display: flex;
  }

  nav a {
    font-size: 28px;
    letter-spacing: 0.2em;
  }

  .hamburger {
    display: flex;
    z-index: 200;
  }

  /* ── Hero ── */
  .hero-content {
    max-width: 90%;
    padding: 0 16px;
  }

  .hero-eyebrow {
    font-size: 13px;
    letter-spacing: 0.2em;
  }

  .hero-name {
    font-size: clamp(32px, 9vw, 52px);
  }

  .role {
    font-size: clamp(12px, 3.5vw, 16px);
    letter-spacing: 0.15em;
  }

  .hero-desc {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .btn-primary,
  .btn-ghost {
    width: 100%;
    max-width: 260px;
    text-align: center;
    padding: 14px 24px;
    font-size: 14px;
  }

  /* ── Sections ── */
  section {
    padding: 72px 20px;
  }

  .section-header {
    margin-bottom: 36px;
  }

  /* ── About ── */
  .about {
    padding: 72px 20px;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Show image above text on mobile */
  .about-image {
    order: -1;
    transform: none !important;
  }

  .about-image.visible {
    transform: none;
  }

  .image-frame {
    aspect-ratio: 3/4;
    max-width: 280px;
    margin: 0 auto;
  }

  .image-accent {
    display: none;
  }

  .about-text {
    transform: none !important;
  }

  .about-text h2 {
    font-size: clamp(30px, 7vw, 44px);
  }

  .about-text p {
    font-size: 16px;
  }

  .about-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .stat-num {
    font-size: 36px;
  }

  /* ── Verse ── */
  .verse-section {
    padding: 40px 16px 32px;
    margin-top: 48px;
  }

  .vw {
    font-size: clamp(18px, 5vw, 26px);
  }

  .verse-ref {
    font-size: 16px;
  }

  /* ── Skills ── */
  .skills-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .skill-card {
    padding: 24px 18px;
  }

  .skill-card h3 {
    font-size: 18px;
  }

  /* ── Projects ── */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-card.featured {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  .project-card.featured .project-img {
    min-height: 200px;
    aspect-ratio: 16/9;
  }

  .project-info {
    padding: 20px 18px;
  }

  .project-info h3 {
    font-size: 20px;
  }

  /* ── Footer ── */
  footer {
    padding: 48px 20px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 36px;
    margin-bottom: 36px;
  }

  .footer-logo {
    font-size: 26px;
  }

  .footer-brand p {
    font-size: 15px;
  }

  .footer-label {
    font-size: 16px;
  }

  .footer-contact a,
  .footer-social a,
  .footer-link {
    font-size: 15px;
  }

  .footer-bottom {
    font-size: 13px;
    text-align: center;
  }
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (≤ 400px)
   ═══════════════════════════════════════════════════ */
@media (max-width: 400px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero-name {
    font-size: clamp(28px, 10vw, 42px);
  }

  .about-stats {
    flex-direction: column;
    gap: 16px;
  }
}