/* ============================================
   PORTFOLIO — Michael Stevan Lapandio
   Pure HTML / CSS / JS — No framework
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 5rem;
  --sp-8: 8rem;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* Transitions */
  --t-fast: 0.2s ease;
  --t-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index */
  --z-nav: 1000;
  --z-toggle: 1100;
}

/* ===== LIGHT THEME ===== */
:root,
[data-theme="light"] {
  --accent: #2a9d8f;
  --accent-2: #264653;
  --accent-glow: rgba(42, 157, 143, 0.35);
  --accent-soft: rgba(42, 157, 143, 0.1);

  --bg: #f5f7f6;
  --bg-alt: #ebefed;
  --surface: #ffffff;
  --surface-hover: rgba(42, 157, 143, 0.06);
  --surface-glass: rgba(255, 255, 255, 0.7);

  --border: rgba(0, 0, 0, 0.07);
  --border-2: rgba(0, 0, 0, 0.12);

  --text: #1a2e2a;
  --text-muted: #5a6b66;
  --text-faint: #8a9b96;
  --text-on-accent: #ffffff;
  --heading: #0d1f1c;

  --hero-bg: radial-gradient(ellipse at 25% 35%, #143030 0%, #0c1e1c 45%, #081410 100%);
  --hero-text: #ffffff;
  --hero-text-muted: rgba(255, 255, 255, 0.7);

  --navbar-bg: rgba(255, 255, 255, 0.72);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-accent: 0 8px 32px rgba(42, 157, 143, 0.12);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.12);

  --footer-bg: #0d1f1f;
  --footer-text: rgba(255, 255, 255, 0.65);

  --selection-bg: rgba(42, 157, 143, 0.2);

  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-warning: #d97706;

  --grad-1: linear-gradient(135deg, #2a9d8f 0%, #264653 100%);
  --grad-2: linear-gradient(135deg, #264653 0%, #2a9d8f 100%);
  --grad-3: linear-gradient(135deg, #2a9d8f 0%, #1a5c52 100%);
  --grad-4: linear-gradient(135deg, #1a5c52 0%, #0d2b26 100%);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --accent: #4ecdc4;
  --accent-2: #95e1d3;
  --accent-glow: rgba(78, 205, 196, 0.3);
  --accent-soft: rgba(78, 205, 196, 0.1);

  --bg: #0a0f0e;
  --bg-alt: #0f1614;
  --surface: #141c1a;
  --surface-hover: rgba(78, 205, 196, 0.08);
  --surface-glass: rgba(20, 28, 26, 0.6);

  --border: rgba(255, 255, 255, 0.07);
  --border-2: rgba(255, 255, 255, 0.14);

  --text: #e8f0ed;
  --text-muted: #9aaaa4;
  --text-faint: #6a7a74;
  --text-on-accent: #0a0f0e;
  --heading: #ffffff;

  --hero-bg: radial-gradient(ellipse at 25% 35%, #1a3a3a 0%, #0d1f1f 45%, #050a09 100%);
  --hero-text: #ffffff;
  --hero-text-muted: rgba(255, 255, 255, 0.6);

  --navbar-bg: rgba(15, 22, 20, 0.72);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 8px 32px rgba(78, 205, 196, 0.15);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.5);

  --footer-bg: #050a09;
  --footer-text: rgba(232, 240, 237, 0.55);

  --selection-bg: rgba(78, 205, 196, 0.25);

  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  --grad-1: linear-gradient(135deg, #4ecdc4 0%, #2a9d8f 100%);
  --grad-2: linear-gradient(135deg, #2a9d8f 0%, #4ecdc4 100%);
  --grad-3: linear-gradient(135deg, #4ecdc4 0%, #1a5c52 100%);
  --grad-4: linear-gradient(135deg, #2a9d8f 0%, #0f2e2a 100%);
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  background-color: var(--bg);
  color: var(--text);
  transition: background-color var(--t-base), color var(--t-base);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--sp-2);
  font-weight: 700;
  line-height: 1.2;
  color: var(--heading);
  font-family: var(--font-display);
}

p { margin: 0 0 var(--sp-3); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--t-fast);
}

a:hover { color: var(--accent-2); }

ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
  transition: outline-color 150ms ease, outline-offset 150ms ease;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: var(--sp-2) var(--sp-4);
  background: var(--accent);
  color: var(--text-on-accent);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 1rem;
  outline-color: var(--text-on-accent);
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--r-full);
  border: 2px solid var(--bg-alt);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }

* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-alt);
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Hero entrance ---------- */
.hero-entrance .hero-greeting { animation: hero-lift 400ms cubic-bezier(0.4, 0, 0.2, 1) 0ms both; }
.hero-entrance .hero-name    { animation: hero-lift 400ms cubic-bezier(0.4, 0, 0.2, 1) 120ms both; }
.hero-entrance .hero-role-wrapper { animation: hero-lift 400ms cubic-bezier(0.4, 0, 0.2, 1) 240ms both; }
.hero-entrance .hero-tagline  { animation: hero-lift 400ms cubic-bezier(0.4, 0, 0.2, 1) 360ms both; }
.hero-entrance .hero-buttons  { animation: hero-lift 400ms cubic-bezier(0.4, 0, 0.2, 1) 480ms both; }

@keyframes hero-lift {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  z-index: var(--z-toggle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-base);
  box-shadow: var(--shadow-md);
  color: var(--text);
  font-size: 18px;
}

.theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  color: var(--accent);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon-sun { display: none; }

[data-theme="dark"] .theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun {
  display: block;
  color: var(--accent);
  animation: spin-in 0.4s ease;
}

@keyframes spin-in {
  from { transform: rotate(-180deg) scale(0); opacity: 0; }
  to { transform: rotate(0) scale(1); opacity: 1; }
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  padding: var(--sp-3) 0;
  transition: all var(--t-base);
  background: transparent;
}

.navbar.nav-scrolled {
  background: var(--navbar-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-2) 0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.5px;
  transition: color var(--t-fast);
}

.navbar-brand:hover { color: var(--accent); }

.brand-bracket {
  color: var(--accent);
  font-weight: 400;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  padding: var(--sp-1) 0;
  transition: color var(--t-fast);
  letter-spacing: 0.3px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--t-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile toggler */
.navbar-toggler {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: var(--z-nav);
}

.navbar-toggler span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--t-base);
}

.navbar-toggler.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggler.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--hero-bg);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(78, 205, 196, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 205, 196, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 1;
  opacity: 0.4;
  pointer-events: none;
}

.hero::before {
  width: 400px;
  height: 400px;
  background: var(--accent);
  top: 10%;
  right: 5%;
  animation: float-orb 8s ease-in-out infinite;
}

.hero::after {
  width: 300px;
  height: 300px;
  background: #2a9d8f;
  bottom: 10%;
  left: 5%;
  animation: float-orb 10s ease-in-out infinite reverse;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 5;
  width: 100%;
  padding: 100px 0 var(--sp-7);
}

.hero-greeting {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: var(--sp-3);
  padding: var(--sp-1) var(--sp-3);
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.2);
  border-radius: var(--r-full);
}

.hero-greeting-icon { font-size: 1.1rem; }

.hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--hero-text);
  margin-bottom: var(--sp-3);
  letter-spacing: -2px;
}

.hero-role-wrapper {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--hero-text-muted);
  margin-bottom: var(--sp-4);
  min-height: 2em;
}

.hero-role-prefix {
  color: var(--accent);
  font-weight: 600;
}

.text-slider {
  color: var(--hero-text);
  font-weight: 500;
}

.hero-cursor {
  color: var(--accent);
  font-weight: 700;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-roles-hidden { display: none; }

.hero-tagline {
  font-size: 1.15rem;
  color: var(--hero-text-muted);
  max-width: 540px;
  margin-bottom: var(--sp-5);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--r-full);
  transition: all var(--t-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
}

.btn-primary:active {
  transform: scale(0.97);
  transition: transform 0.1s ease;
}

.btn-outline {
  background: transparent;
  color: var(--hero-text);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn-outline:active {
  transform: scale(0.97);
  transition: transform 0.1s ease;
}

/* Scroll indicator */
.hero-scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  text-align: center;
}

.hero-scroll-down a {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.mouse {
  display: block;
  width: 26px;
  height: 42px;
  border: 2px solid var(--hero-text-muted);
  border-radius: var(--r-full);
  position: relative;
}

.mouse-wheel {
  display: block;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-dot 1.5s ease-in-out infinite;
}

@keyframes scroll-dot {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 24px; }
}

.scroll-text {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--hero-text-muted);
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-7);
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
  font-weight: 500;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--heading);
  margin-bottom: var(--sp-3);
  letter-spacing: -1px;
}

.section-line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: var(--r-full);
  margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
  padding: var(--sp-8) 0;
  background: var(--bg);
}

.about-wrapper {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--sp-6);
  align-items: start;
}

.about-left {
  position: sticky;
  top: 100px;
}

.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--t-base), transform var(--t-base);
}

.profile-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.profile-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-4);
  background: var(--bg-alt);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.profile-card:hover .profile-img {
  transform: scale(1.05);
}

.profile-status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: var(--sp-3);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  position: relative;
}

.status-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--color-success);
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.5); opacity: 0; }
}

.info-cards {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.info-card-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--border);
}

.info-card-item:last-child {
  border-bottom: none;
}

.info-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-hover);
  border-radius: var(--r-sm);
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-text {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.info-value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.about-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--sp-4);
  color: var(--heading);
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-3);
}

.skills-section {
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}

.skills-heading {
  font-size: 1.1rem;
  margin-bottom: var(--sp-3);
  color: var(--heading);
  font-family: var(--font-mono);
  font-weight: 600;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--t-base);
  cursor: default;
}

.skill-chip:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.skill-chip i { font-size: 1rem; }

/* ============================================
   RESUME SECTION
   ============================================ */
.resume-section {
  padding: var(--sp-8) 0;
  background: var(--bg-alt);
}

.resume-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

.resume-column-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 1.3rem;
  margin-bottom: var(--sp-5);
  color: var(--heading);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--border);
}

.resume-column-title i { color: var(--accent); }

.timeline {
  position: relative;
  padding-left: var(--sp-5);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--sp-5);
}

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

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--sp-5) + 4px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-alt);
  box-shadow: 0 0 0 2px var(--accent);
  transition: transform var(--t-base);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  transition: all var(--t-base);
}

.timeline-content:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
  transform: translateX(4px);
}

.timeline-period {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--surface-hover);
  padding: 2px 10px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-2);
  font-weight: 500;
}

.timeline-title {
  font-size: 1.1rem;
  color: var(--heading);
  margin-bottom: 4px;
}

.timeline-role {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-location {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin: 0;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-section {
  padding: var(--sp-8) 0;
  background: var(--bg);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--sp-2) var(--sp-4);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  transition: all var(--t-base);
}

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

.filter-btn.active {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-5);
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: opacity 300ms cubic-bezier(0.4, 0, 0.2, 1), transform 300ms cubic-bezier(0.4, 0, 0.2, 1), border-color var(--t-base), box-shadow var(--t-base);
  display: flex;
  flex-direction: column;
}

.portfolio-card.filtered-out {
  opacity: 0;
  transform: scale(0.92);
  pointer-events: none;
}

.portfolio-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-6px);
}

.portfolio-card-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--card-gradient, var(--grad-1));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portfolio-card-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%);
  opacity: 0.8;
}

.portfolio-card-icon {
  position: relative;
  z-index: 2;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.9);
  transition: transform var(--t-base);
}

.portfolio-card:hover .portfolio-card-icon {
  transform: scale(1.15);
}

.portfolio-card-tag {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  z-index: 2;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--r-full);
  letter-spacing: 0.5px;
}

.portfolio-card:nth-child(4n+1) .portfolio-card-visual { --card-gradient: var(--grad-1); }
.portfolio-card:nth-child(4n+2) .portfolio-card-visual { --card-gradient: var(--grad-2); }
.portfolio-card:nth-child(4n+3) .portfolio-card-visual { --card-gradient: var(--grad-3); }
.portfolio-card:nth-child(4n+4) .portfolio-card-visual { --card-gradient: var(--grad-4); }

.portfolio-card-body {
  padding: var(--sp-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-card-title {
  font-size: 1.25rem;
  color: var(--heading);
  margin-bottom: var(--sp-2);
}

.portfolio-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
  flex: 1;
}

.portfolio-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--sp-3);
}

.portfolio-card-tags span {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--accent);
  background: var(--surface-hover);
  padding: 3px 10px;
  border-radius: var(--r-sm);
}

.portfolio-card-links {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--t-fast), color var(--t-fast);
}

.card-link:hover {
  gap: 10px;
  color: var(--accent-2);
}

.card-link-ghost { color: var(--text-muted); }
.card-link-ghost:hover { color: var(--accent); }

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  padding: var(--sp-8) 0;
  background: var(--bg-alt);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-6);
  align-items: start;
}

.contact-heading {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--heading);
  margin-bottom: var(--sp-3);
  line-height: 1.3;
}

.contact-subtext {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--sp-5);
  line-height: 1.8;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: all var(--t-base);
}

a.contact-item:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-hover);
  border-radius: var(--r-md);
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text {
  display: flex;
  flex-direction: column;
}

.contact-item-label {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
  word-break: break-all;
}

.contact-socials {
  display: flex;
  gap: var(--sp-2);
}

.social-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: all var(--t-base);
}

.social-btn:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* Contact Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.form-group {
  position: relative;
  margin-bottom: var(--sp-4);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 0 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--t-base);
  resize: vertical;
}

.form-group textarea {
  min-height: 120px;
  padding-top: 20px;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 14px;
  font-size: 0.95rem;
  color: var(--text-faint);
  pointer-events: none;
  transition: all var(--t-base);
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom-color: var(--accent);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -8px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}

.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--t-base);
}

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

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--accent);
  color: var(--text-on-accent);
  border: none;
  border-radius: var(--r-full);
  transition: all var(--t-base);
  letter-spacing: 0.3px;
}

.btn-submit:hover {
  background: var(--accent-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-submit.loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn-submit.loading .btn-submit-text::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  margin-left: var(--sp-2);
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

.btn-submit.success {
  background: var(--color-success);
} 

.btn-submit.error {
  background: var(--color-error);
}

.btn:disabled,
.filter-btn:disabled,
.social-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-feedback {
  margin-top: var(--sp-3);
  font-size: 0.9rem;
  text-align: center;
  min-height: 1.5em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 200ms ease, transform 200ms ease, color 200ms ease;
}

.form-feedback.success,
.form-feedback.error {
  opacity: 1;
  transform: translateY(0);
}

.form-feedback.success { color: var(--color-success); }
.form-feedback.error { color: var(--color-error); }

.form-group.error input,
.form-group.error textarea {
  border-bottom-color: var(--color-error);
}

.form-group.error label {
  color: var(--color-error);
}

.form-group.error .form-line {
  background: var(--color-error);
  width: 100%;
}

.form-group .field-error {
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 4px;
  min-height: 1.2em;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--sp-6) 0;
  background: var(--footer-bg);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--sp-1);
}

.footer-text {
  font-size: 0.9rem;
  color: var(--footer-text);
  margin: 0;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--footer-text);
  opacity: 0.7;
  margin: 0;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--text-on-accent);
  border-radius: 50%;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--t-base);
  z-index: var(--z-nav);
  box-shadow: var(--shadow-accent);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-2);
  transform: translateY(-4px);
  color: var(--text-on-accent);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.revealed {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

@media (scripting: none), (scripting: initial-only) {
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   NAVBAR SCROLL DIRECTION
   ============================================ */
.navbar.nav-hidden {
  transform: translateY(-100%);
}

.navbar {
  transition: all var(--t-base), transform 0.3s ease;
}

/* ============================================
   MAGNETIC BUTTON EFFECT
   ============================================ */
.btn[data-magnetic],
.social-btn[data-magnetic],
.filter-btn[data-magnetic] {
  transition: transform 0.2s cubic-bezier(0.33, 1, 0.68, 1), background var(--t-base), color var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

/* ============================================
   CARD 3D TILT
   ============================================ */
.portfolio-card[data-tilt] {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.portfolio-card[data-tilt] .portfolio-card-body {
  transform: translateZ(20px);
}

.portfolio-card[data-tilt] .portfolio-card-icon {
  transform: translateZ(40px);
}

.portfolio-card[data-tilt]:hover {
  transform: translateY(-6px);
}

/* ============================================
   GRADIENT TEXT ANIMATION
   ============================================ */
.section-title.gradient-text {
  background: linear-gradient(
    90deg,
    var(--heading) 0%,
    var(--accent) 25%,
    var(--heading) 50%,
    var(--accent) 75%,
    var(--heading) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 4s linear infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ============================================
   TIMELINE STAGGER
   ============================================ */
.timeline-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================
   INFO CARD STAGGER
   ============================================ */
.info-card-item {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.info-card-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   CURSOR GLOW (HERO)
   ============================================ */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: translate(-50%, -50%);
}

.cursor-glow.visible {
  opacity: 1;
}

/* ============================================
   LINK UNDERLINE ANIMATION
   ============================================ */
.animated-underline {
  position: relative;
  display: inline-block;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.animated-underline:hover::after {
  width: 100%;
}

/* ============================================
   HERO NAME HOVER EFFECT
   ============================================ */
.hero-name .char {
  display: inline-block;
  transition: transform 0.3s ease, color 0.3s ease;
}

.hero-name .char:hover {
  transform: translateY(-8px) scale(1.1);
  color: var(--accent);
}

/* ============================================
   FLOATING ANIMATION FOR CARDS
   ============================================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.portfolio-card-visual .portfolio-card-icon {
  animation: float 3s ease-in-out infinite;
}

/* ============================================
   PULSE RING FOR BUTTONS
   ============================================ */
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid var(--accent);
  opacity: 0;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.btn-primary {
  position: relative;
  overflow: hidden;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ============================================
   SMOOTH SECTION TRANSITIONS
   ============================================ */
.section {
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

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

/* ---------- Input mode: touch ---------- */
@media (hover: none) and (pointer: coarse) {
  .cursor-glow { display: none !important; }

  [data-magnetic] { transition: transform 0.15s ease !important; }

  .hero-name .char:hover {
    transform: none;
    color: inherit;
  }

  .portfolio-card[data-tilt] {
    transform-style: flat;
    perspective: none;
  }

  .portfolio-card[data-tilt] .portfolio-card-body,
  .portfolio-card[data-tilt] .portfolio-card-icon {
    transform: none;
  }

  .nav-link,
  .filter-btn,
  .social-btn,
  .card-link,
  .btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ---------- Safe area handling ---------- */
.theme-toggle {
  top: max(1.5rem, env(safe-area-inset-top, 0px));
  right: max(1.5rem, env(safe-area-inset-right, 0px));
}

.back-to-top {
  bottom: max(2rem, env(safe-area-inset-bottom, 0px));
  right: max(2rem, env(safe-area-inset-right, 0px));
}

.navbar-menu {
  padding-top: max(100px, calc(env(safe-area-inset-top, 0px) + 100px));
  padding-bottom: max(var(--sp-5), env(safe-area-inset-bottom, 0px));
}

.hero-scroll-down {
  bottom: max(30px, calc(env(safe-area-inset-bottom, 0px) + 30px));
}

/* ---------- Ultrawide ---------- */
@media (min-width: 1800px) {
  .container { max-width: 1440px; }

  .about-text p,
  .contact-subtext,
  .portfolio-card-desc {
    max-width: 65ch;
  }

  .hero-content { padding: 160px 0 var(--sp-8); }

  .hero-tagline { max-width: 680px; }

  .about-wrapper { gap: var(--sp-8); }
}

/* ---------- Tablet ---------- */
@media (max-width: 992px) {
  .about-wrapper { grid-template-columns: 1fr; }

  .about-left {
    position: static;
    max-width: 400px;
    margin: 0 auto;
  }

  .resume-wrapper { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }

  .hero-name { font-size: clamp(2.2rem, 9vw, 3.8rem); }
  .hero-buttons { justify-content: flex-start; }

  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* ---------- Phone ---------- */
@media (max-width: 768px) {
  .navbar-toggler { display: flex; }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: 0;
    transform: translateX(100%);
    width: 75%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    padding: 100px var(--sp-5) var(--sp-5);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
  }

  .navbar-menu.nav-open {
    transform: translateX(0);
  }

  .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
  }

  .nav-link {
    font-size: 1.1rem;
    padding: var(--sp-2) 0;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .hero-content { padding: 80px 0 var(--sp-5); }

  .hero-name { font-size: clamp(2rem, 9vw, 3rem); }

  .hero-role-wrapper { font-size: 0.95rem; }

  .hero-greeting {
    font-size: 0.8rem;
    padding: var(--sp-1) var(--sp-2);
  }

  .hero-scroll-down { display: none; }

  .form-row { grid-template-columns: 1fr; }

  .form-group input,
  .form-group textarea,
  .form-group label {
    font-size: 1rem;
  }

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

  .section {
    padding: var(--sp-6) 0;
  }

  .section-header { margin-bottom: var(--sp-5); }

  .profile-card { margin-bottom: var(--sp-4);}

  .info-cards { margin-top: var(--sp-3); }

  .contact-form { padding: var(--sp-4); }

  .contact-socials { justify-content: center; }

  .social-btn {
    width: 48px;
    height: 48px;
  }

  .filter-btn {
    min-height: 44px;
    padding: var(--sp-2) var(--sp-3);
  }

  .timeline-content { padding: var(--sp-3); }
}

/* ---------- Small phone ---------- */
@media (max-width: 480px) {
  :root {
    --sp-5: 1.5rem;
    --sp-6: 2rem;
    --sp-7: 3rem;
    --sp-8: 4rem;
  }

  .hero-name { font-size: 1.8rem; letter-spacing: -1px; }
  .hero-tagline { font-size: 0.95rem; }
  .hero-role-wrapper { font-size: 0.85rem; min-height: 1.5em; }

  .hero-buttons .btn { font-size: 0.85rem; padding: var(--sp-2) var(--sp-4); }

  .section-title { font-size: 1.5rem; }
  .section-label { font-size: 0.75rem; }

  .container { padding: 0 var(--sp-3); }

  .portfolio-card-title { font-size: 1.1rem; }
  .portfolio-card-body { padding: var(--sp-3); }

  .contact-heading { font-size: 1.3rem; }
  .contact-subtext { font-size: 0.95rem; }

  .timeline { padding-left: var(--sp-4); }
  .timeline-dot {
    left: calc(-1 * var(--sp-4) + 4px);
    width: 10px;
    height: 10px;
  }

  .about-heading { font-size: 1.3rem; }

  .navbar-menu { width: 85%; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  /* Preserve functional signals */
  .preloader-spinner {
    animation-duration: 0.8s !important;
  }

  .btn-submit.loading .btn-submit-text::after {
    animation-duration: 0.6s !important;
  }
}