/* ============================================
   MOZZ VADER — PORTFOLIO
   Design System + Components
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand */
  --primary: #7f03fc;
  --primary-light: #a040ff;
  --primary-dark: #5a00b4;
  --primary-glow: rgba(127, 3, 252, 0.25);
  --primary-subtle: rgba(127, 3, 252, 0.08);

  /* Layout */
  --nav-height: 72px;
  --container-max: 1200px;
  --gap: 2rem;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Diagonal angle (hero lines, dividers) */
  --diag-angle: 18deg;
}

/* ---------- Dark Theme (default) ---------- */
[data-theme="dark"] {
  --bg: #08080f;
  --bg-alt: #0e0e1a;
  --surface: #14142a;
  --surface-hover: #1a1a35;
  --border: #252540;
  --text: #f0f0f5;
  --text-secondary: #9898b0;
  --text-muted: #5a5a75;
  --navbar-bg: rgba(8, 8, 15, 0.85);
  --card-bg: rgba(20, 20, 42, 0.6);
  --card-border: rgba(37, 37, 64, 0.6);
  --input-bg: rgba(20, 20, 42, 0.5);
  --overlay: rgba(8, 8, 15, 0.92);
  --diagonal-color: rgba(127, 3, 252, 0.06);
  --diagonal-line: rgba(127, 3, 252, 0.04);
  --hero-glow: radial-gradient(ellipse at 50% 50%, rgba(127, 3, 252, 0.12) 0%, transparent 70%);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-btn: 0 4px 16px rgba(127, 3, 252, 0.3);
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
  --bg: #f8f8fc;
  --bg-alt: #f0f0f8;
  --surface: #ffffff;
  --surface-hover: #f5f5fa;
  --border: #e0e0ee;
  --text: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8888a0;
  --navbar-bg: rgba(248, 248, 252, 0.9);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(224, 224, 238, 0.8);
  --input-bg: rgba(255, 255, 255, 0.6);
  --overlay: rgba(248, 248, 252, 0.95);
  --diagonal-color: rgba(127, 3, 252, 0.07);
  --diagonal-line: rgba(127, 3, 252, 0.06);
  --hero-glow: radial-gradient(ellipse at 50% 50%, rgba(127, 3, 252, 0.15) 0%, transparent 70%);
  --primary-glow: rgba(127, 3, 252, 0.38);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-btn: 0 4px 16px rgba(127, 3, 252, 0.2);
}

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

html {
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  transition: background-color var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--primary);
}

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

ul {
  list-style: none;
}

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

input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Scrollbar hidden (dots replace it) ---------- */
::-webkit-scrollbar {
  display: none;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: var(--navbar-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}

/* Logo */
.nav-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.5px;
  transition: color var(--transition);
}

.nav-logo:hover {
  color: var(--text);
}

.logo-bracket {
  color: var(--primary);
  font-weight: 600;
}

.logo-dot {
  color: var(--primary);
}

/* Nav Links (desktop) */
.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition), transform 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: color var(--transition), transform var(--transition), opacity var(--transition);
  position: absolute;
}

.icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 10px 8px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--overlay);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: right var(--transition);
  border-left: 1px solid var(--border);
}

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.mobile-nav-link {
  display: block;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: color var(--transition), transform var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
}

/* ============================================
   SECTIONS (Snap Scroll)
   ============================================ */
.snap-container {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
  /* Default: invisible, no transition yet */
  opacity: 0;
  transform: translateY(60px);
  pointer-events: none;
  /* No will-change here — applied only during transitions via JS */
}

/* Only the active section is visible and interactive */
.section.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  z-index: 2;
  transition:
    opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Leaving state — old section animates out */
.section.leaving {
  opacity: 0;
  z-index: 1;
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.section.leaving-up {
  transform: translateY(-40px);
}

.section.leaving-down {
  transform: translateY(40px);
}

.section-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--primary);
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--text);
  margin-bottom: 1rem;
}

/* Diagonal Divider under titles */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.divider-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary);
  transform: rotate(calc(var(--diag-angle) * -1));
  border-radius: 2px;
}

.divider-diamond {
  display: block;
  width: 8px;
  height: 8px;
  background: var(--primary);
  transform: rotate(45deg);
  border-radius: 2px;
}

/* ============================================
   MESH BACKGROUND (Low-poly "peeled plaster" effect)
   — Solid bg with middle-third window revealing triangles
   — Sharp edge + depth shadow from plaster onto mesh
   ============================================ */
.section-mesh-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  /* Mask: SHARP edge — mesh appears/disappears in ~1% of viewport */
  -webkit-mask-image: linear-gradient(to bottom,
    transparent 0%,
    transparent 33%,
    black 34.5%,
    black 65.5%,
    transparent 67%,
    transparent 100%);
  mask-image: linear-gradient(to bottom,
    transparent 0%,
    transparent 33%,
    black 34.5%,
    black 65.5%,
    transparent 67%,
    transparent 100%);
}

.mesh-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── Depth shadows: plaster edge casting shadow onto recessed mesh ──
   Pseudo-elements on sections that have a mesh background.
   They sit ABOVE the mesh (z-index 1) but BELOW the content (z-index 2).
   The shadow simulates the elevated plaster wall casting light-blocking
   shadow onto the mesh surface behind it. Never reaches full opacity. */
.section:has(.section-mesh-bg)::before,
.section:has(.section-mesh-bg)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  z-index: 1;
  pointer-events: none;
}

/* Top shadow — plaster ABOVE casts shadow DOWN onto mesh */
.section:has(.section-mesh-bg)::before {
  top: 33%;
  height: 120px;
  background: linear-gradient(to bottom,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.28) 20%,
    rgba(0, 0, 0, 0.12) 45%,
    rgba(0, 0, 0, 0.03) 75%,
    transparent 100%);
}

/* Bottom shadow — plaster BELOW casts shadow UP onto mesh */
.section:has(.section-mesh-bg)::after {
  bottom: 33%;
  height: 120px;
  background: linear-gradient(to top,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.28) 20%,
    rgba(0, 0, 0, 0.12) 45%,
    rgba(0, 0, 0, 0.03) 75%,
    transparent 100%);
}

/* Light mode: lighter shadow since the "wall" is white-ish */
[data-theme="light"] .section:has(.section-mesh-bg)::before {
  background: linear-gradient(to bottom,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.1) 25%,
    rgba(0, 0, 0, 0.04) 55%,
    transparent 100%);
}

[data-theme="light"] .section:has(.section-mesh-bg)::after {
  background: linear-gradient(to top,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.1) 25%,
    rgba(0, 0, 0, 0.04) 55%,
    transparent 100%);
}

.section-inner {
  position: relative;
  z-index: 2;
}

/* ============================================
   SECTION DOTS (Navigation Indicators)
   ============================================ */
.section-indicators {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 750;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.section-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--text-muted);
  opacity: 0.4;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  outline: none;
  position: relative;
}

/* Tooltip */
.section-dot::after {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(20, 20, 42, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid rgba(127, 3, 252, 0.3);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.section-dot:hover::after {
  opacity: 1;
  visibility: visible;
}

.section-dot:hover {
  opacity: 0.7;
  transform: scale(1.3);
}

.section-dot.active {
  background: var(--primary);
  opacity: 1;
  box-shadow: 0 0 10px var(--primary-glow), 0 0 20px rgba(127, 3, 252, 0.15);
  height: 28px;
  border-radius: 4px;
}

/* ============================================
   HERO
   ============================================ */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--bg);
}

.hero-diagonals {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-diagonals span {
  position: absolute;
  display: block;
  width: 1px;
  height: 200%;
  background: linear-gradient(to bottom, transparent, var(--primary-glow), transparent);
  transform-origin: center;
  opacity: 0.5;
}

.hero-diagonals span:nth-child(1) {
  left: 10%;
  transform: rotate(calc(var(--diag-angle) * -1));
  opacity: 0.3;
}

.hero-diagonals span:nth-child(2) {
  left: 25%;
  transform: rotate(calc(var(--diag-angle) * -1));
  opacity: 0.5;
}

.hero-diagonals span:nth-child(3) {
  right: 25%;
  transform: rotate(calc(var(--diag-angle)));
  opacity: 0.4;
}

.hero-diagonals span:nth-child(4) {
  right: 10%;
  transform: rotate(calc(var(--diag-angle)));
  opacity: 0.6;
}

.hero-diagonals span:nth-child(5) {
  left: 50%;
  transform: translateX(-50%) rotate(calc(var(--diag-angle) * -0.5));
  opacity: 0.2;
  width: 2px;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-glow);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-greeting {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--primary-light);
  margin-bottom: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -1px;
}

.hero-role {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Typewriter ── */
.typewriter-text {
  display: inline;
}

.typewriter-text .text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.typewriter-cursor {
  display: inline-block;
  font-weight: 400;
  color: var(--primary);
  animation: cursorBlink 1s steps(1) infinite;
  margin-left: 1px;
}

@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

/* CTA Buttons */
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  border-radius: 12px;
  transition: all var(--transition);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(127, 3, 252, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

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

.btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}

.scroll-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.detail-card:hover {
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

.detail-icon {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

.detail-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.detail-value {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-card {
  position: relative;
  padding: 2rem 1.5rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-align: center;
  transition: all var(--transition);
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  transform: rotate(calc(var(--diag-angle) * -1));
  transform-origin: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.skill-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-subtle);
  margin-bottom: 1rem;
  transition: background var(--transition);
}

.skill-card:hover .skill-icon-wrap {
  background: rgba(127, 3, 252, 0.15);
}

.skill-icon {
  width: 26px;
  height: 26px;
  color: var(--primary);
}

.skill-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.skill-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.skill-level {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--primary-light));
  border-radius: 2px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card.animated .skill-bar {
  width: var(--level);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--bg-alt) 0%,
    var(--surface) 50%,
    var(--bg-alt) 100%
  );
}

.project-placeholder svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Light mode: invert placeholder SVG appearance */
[data-theme="light"] .project-placeholder svg rect {
  fill: #f0f0f8;
}

[data-theme="light"] .project-placeholder svg text tspan:first-child,
[data-theme="light"] .project-placeholder svg text tspan:last-child {
  fill: #7f03fc;
  opacity: 0.12;
}

[data-theme="light"] .project-placeholder svg text tspan:nth-child(2) {
  fill: #1a1a2e;
  opacity: 0.1;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(127, 3, 252, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  transition: all var(--transition);
}

.project-link:hover {
  background: rgba(255, 255, 255, 0.35);
  color: #fff;
  transform: scale(1.1);
}

.project-link svg {
  width: 20px;
  height: 20px;
}

.project-info {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

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

.tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--primary-subtle);
  border-radius: 6px;
  text-transform: uppercase;
}

/* Project loading skeleton */
.projects-grid.loading {
  min-height: 200px;
}

.project-skeleton {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
}

.project-skeleton .skeleton-image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(110deg, var(--border) 8%, var(--surface) 18%, var(--border) 33%);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

.project-skeleton .skeleton-text {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.project-skeleton .skeleton-line {
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(110deg, var(--border) 8%, var(--surface) 18%, var(--border) 33%);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

.project-skeleton .skeleton-line:nth-child(1) { width: 60%; }
.project-skeleton .skeleton-line:nth-child(2) { width: 100%; }
.project-skeleton .skeleton-line:nth-child(3) { width: 40%; }

@keyframes shimmer {
  to { background-position: -200% 0; }
}

/* Project empty state */
.projects-empty {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-muted);
}

.projects-empty svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  margin-bottom: 1rem;
}

.projects-empty p {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
}

/* ── Projects Horizontal Scroll (when > 3 projects) ── */
.projects-viewport {
  position: relative;
}

.projects-viewport.has-scroll {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.projects-scroll {
  flex: 1;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.projects-scroll::-webkit-scrollbar {
  display: none;
}

.projects-viewport.has-scroll .projects-grid {
  display: flex;
  gap: 1.5rem;
  width: max-content;
}

.projects-viewport.has-scroll .project-card {
  flex-shrink: 0;
  scroll-snap-align: start;
}

.projects-chevron {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  z-index: 5;
}

.projects-chevron:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--surface);
}

.projects-chevron:active {
  transform: scale(0.92);
}

.projects-chevron svg {
  width: 20px;
  height: 20px;
}

.projects-chevron.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Project image (when loaded from Supabase) */
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Expand button (image modal trigger) */
.project-expand {
  cursor: pointer;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  transition: all var(--transition);
}

.project-expand:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.1);
}

.project-expand svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   IMAGE MODAL
   ============================================ */
.image-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.image-modal.active {
  opacity: 1;
  visibility: visible;
}

.image-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.image-modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  z-index: 2;
  transition: all var(--transition);
}

.image-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.image-modal-close svg {
  width: 20px;
  height: 20px;
}

.image-modal-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal-content img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.image-modal.active .image-modal-content img {
  transform: scale(1);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: var(--surface);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-submit {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* Honeypot — invisible to real users, traps spam bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  line-height: 0 !important;
  font-size: 0 !important;
}

/* Contact Sidebar */
.contact-sidebar {
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Diagonal accent */
  position: relative;
  overflow: hidden;
}

.contact-sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light), transparent);
  transform: rotate(calc(var(--diag-angle) * -1));
  transform-origin: left;
}

.contact-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--primary-subtle);
  color: var(--primary);
}

.social-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.social-link span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ============================================
   SECTION FOOTER (inline, inside contact)
   ============================================ */
.section-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.section-footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.section-footer a:hover {
  color: var(--primary);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered delay for cards */
.skill-card.reveal,
.project-card.reveal {
  transition-delay: calc(var(--delay, 0) * 0.15s);
}



/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .projects-viewport.has-scroll .projects-grid {
    display: flex;
    gap: 1.5rem;
    width: max-content;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section:has(.section-mesh-bg)::before,
  .section:has(.section-mesh-bg)::after {
    height: 90px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .section {
    padding: calc(var(--nav-height) + 1.5rem) 1.25rem 1.5rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .projects-viewport.has-scroll .projects-grid {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    max-width: none;
    margin: 0;
  }

  .projects-viewport.has-scroll .project-card {
    min-width: 280px !important;
    width: 280px !important;
  }

  .projects-chevron {
    width: 34px;
    height: 34px;
  }

  .projects-chevron svg {
    width: 16px;
    height: 16px;
  }

  .about-details {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .detail-card {
    flex: 1;
    min-width: 140px;
  }

  .section:has(.section-mesh-bg)::before,
  .section:has(.section-mesh-bg)::after {
    height: 70px;
  }

  .section-indicators {
    right: 8px;
    gap: 8px;
  }

  .section-dot {
    width: 6px;
    height: 6px;
  }

  .section-dot::after {
    display: none; /* Hide tooltips on mobile */
  }

  .section-dot.active {
    height: 18px;
  }

  .hero-name {
    font-size: clamp(2.25rem, 10vw, 3.25rem);
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
  }

  .scroll-indicator {
    bottom: 1rem;
  }

  .navbar {
    padding: 0 1.25rem;
  }
}

/* Small phones */
@media (max-width: 400px) {
  .hero-name {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .detail-card {
    min-width: 100%;
  }
}