/* ============================================================
   NAGHAM ALI — SPORTS DATA ANALYST PORTFOLIO
   Premium Dark Theme Stylesheet
   ============================================================ */

/* ==================== CSS VARIABLES ==================== */
:root {
  --bg: #222831;
  --bg-deep: #1a1f26;
  --card: #393E46;
  --card-glass: rgba(57, 62, 70, 0.65);
  --text: #EEEEEE;
  --text-muted: rgba(238, 238, 238, 0.7);
  --accent: #00ADB5;
  --accent-hover: #76E4F7;
  --gradient: linear-gradient(135deg, #00ADB5, #76E4F7);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 48px rgba(0, 173, 181, 0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --header-h: 72px;
  --container: 1200px;
  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-blur: blur(18px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.loading { overflow: hidden; }

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  position: relative;
  z-index: 2;
}

/* ==================== PAGE LOADER ==================== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-orbit {
  width: 56px;
  height: 56px;
  border: 3px solid rgba(0, 173, 181, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
  margin: 0 auto 1rem;
}

.loader-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-hover);
}

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

/* ==================== PARTICLE CANVAS ==================== */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ==================== CURSOR GLOW ==================== */
.cursor-glow {
  position: fixed;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 173, 181, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

body.cursor-ready .cursor-glow { opacity: 1; }

@media (hover: none) {
  .cursor-glow { display: none; }
}

/* ==================== SPORTS BALLS BACKGROUND ==================== */
.sports-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.sport-ball {
  position: absolute;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  opacity: 0.08;
  animation: floatBall linear infinite;
  will-change: transform;
}

.ball-football { color: #fff; }
.ball-basketball { color: #e67e22; }
.ball-tennis { color: #2ecc71; }
.ball-volleyball { color: #3498db; }

.ball-sm { font-size: clamp(1rem, 2vw, 1.5rem); opacity: 0.06; }

.sport-ball:nth-child(1) { top: 10%; left: 5%; animation-duration: 28s; }
.sport-ball:nth-child(2) { top: 60%; left: 85%; animation-duration: 32s; animation-delay: -5s; }
.sport-ball:nth-child(3) { top: 30%; left: 70%; animation-duration: 24s; animation-delay: -10s; }
.sport-ball:nth-child(4) { top: 75%; left: 20%; animation-duration: 30s; animation-delay: -3s; }
.sport-ball:nth-child(5) { top: 45%; left: 10%; animation-duration: 22s; animation-delay: -8s; }
.sport-ball:nth-child(6) { top: 15%; left: 55%; animation-duration: 26s; animation-delay: -12s; }
.sport-ball:nth-child(7) { top: 85%; left: 65%; animation-duration: 34s; animation-delay: -6s; }
.sport-ball:nth-child(8) { top: 50%; left: 40%; animation-duration: 20s; animation-delay: -15s; }

@keyframes floatBall {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(60px, -80px) rotate(90deg); }
  50%  { transform: translate(-40px, -120px) rotate(180deg); }
  75%  { transform: translate(80px, -40px) rotate(270deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

/* ==================== GLASS & GLOW ==================== */
.glass {
  background: var(--card-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 173, 181, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.glow-border {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(0, 173, 181, 0.4), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.glow-border:hover::before { opacity: 1; }

/* ==================== NAVIGATION ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(34, 40, 49, 0.92);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
}

.header.nav-hidden { transform: translateY(-100%); }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  color: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
}

.brand-name {
  font-family: var(--font-display);
  color: var(--accent-hover);
  font-size: 1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link {
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-hover);
  background: rgba(0, 173, 181, 0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.nav-toggle .bar {
  width: 22px;
  height: 2px;
  background: var(--accent-hover);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open .bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==================== SECTION HEADERS ==================== */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.animated-title {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-line {
  width: 60px;
  height: 3px;
  background: var(--gradient);
  border-radius: var(--radius-full);
  margin: 0 auto;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: transform 0.2s ease, box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-accent {
  background: var(--gradient);
  color: var(--bg);
  box-shadow: 0 4px 20px rgba(0, 173, 181, 0.35);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(118, 228, 247, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--accent-hover);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: rgba(0, 173, 181, 0.15);
  transform: translateY(-3px);
}

.btn-ghost {
  background: rgba(57, 62, 70, 0.6);
  color: var(--text);
  border: 1px solid rgba(0, 173, 181, 0.2);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
  transform: translateY(-3px);
}

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

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: rippleAnim 0.6s ease-out;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--accent-hover);
  min-height: 2.2rem;
  margin-bottom: 1rem;
}

.typing-cursor {
  color: var(--accent);
  animation: blink 0.75s step-end infinite;
  font-weight: 300;
}

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

.hero-desc {
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Profile Placeholder — RIGHT side */
.profile-frame {
  padding: 1rem;
  max-width: 400px;
  margin-inline: auto;
}

.profile-image-placeholder {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(145deg, rgba(57, 62, 70, 0.8), rgba(34, 40, 49, 0.9));
  border-radius: var(--radius-md);
  border: 2px dashed rgba(0, 173, 181, 0.3);
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: border-color var(--transition);
}

.profile-image-placeholder i {
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.5;
}

.profile-frame:hover .profile-image-placeholder {
  border-color: var(--accent-hover);
}

/* ==================== ABOUT ==================== */
.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  padding: 2.5rem;
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}

.about-icon-wrap {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  color: var(--bg);
  border-radius: var(--radius-md);
  font-size: 1.75rem;
  flex-shrink: 0;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-inline-icon {
  color: var(--accent);
  margin-right: 0.5rem;
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.about-highlights li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-hover);
  padding: 0.5rem 1rem;
  background: rgba(0, 173, 181, 0.08);
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 173, 181, 0.15);
}

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

/* ==================== EDUCATION ==================== */
.edu-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.edu-card {
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.edu-card:hover,
.edu-card.highlighted {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 173, 181, 0.4);
}

.edu-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  background: var(--gradient);
  color: var(--bg);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
}

.edu-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.edu-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.gpa-bar {
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  margin-top: 1rem;
  overflow: hidden;
}

.gpa-fill {
  height: 100%;
  width: 0;
  background: var(--gradient);
  border-radius: var(--radius-full);
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gpa-fill.animated { width: var(--percent, 66.75%); }

.edu-quick-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.quick-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-hover);
  background: rgba(57, 62, 70, 0.6);
  border: 1px solid rgba(0, 173, 181, 0.2);
  border-radius: var(--radius-full);
  transition: transform 0.2s ease, background var(--transition), box-shadow var(--transition);
}

.quick-btn:hover,
.quick-btn.active {
  background: rgba(0, 173, 181, 0.2);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 173, 181, 0.2);
}

/* ==================== SKILLS ==================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  padding: 2rem 1rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.skill-card:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: var(--shadow-hover);
}

.skill-logo {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto 1rem;
  font-size: 1.65rem;
  color: var(--accent-hover);
  background: rgba(0, 173, 181, 0.1);
  border-radius: var(--radius-md);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.skill-card:hover .skill-logo {
  transform: scale(1.15) rotate(5deg);
  background: var(--gradient);
  color: var(--bg);
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ==================== PROJECTS ==================== */
.project-card {
  max-width: 560px;
  margin: 0 auto;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-image-placeholder {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(57, 62, 70, 0.9), rgba(34, 40, 49, 0.95));
  border-bottom: 1px solid rgba(0, 173, 181, 0.1);
  color: var(--accent);
  font-size: 3rem;
  opacity: 0.4;
}

.project-body { padding: 1.75rem; }

.project-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  gap: 1rem;
}

.project-key {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.project-val {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.project-detail {
  padding: 1rem 0;
}

.project-detail p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.project-tools-wrap { padding: 0.75rem 0 1.25rem; }

.tool-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(0, 173, 181, 0.12);
  border: 1px solid rgba(0, 173, 181, 0.25);
  border-radius: var(--radius-full);
  color: var(--accent-hover);
  animation: badgePop 0.5s ease backwards;
}

.tool-badge:nth-child(1) { animation-delay: 0.1s; }
.tool-badge:nth-child(2) { animation-delay: 0.2s; }
.tool-badge:nth-child(3) { animation-delay: 0.3s; }

@keyframes badgePop {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.project-btn { width: 100%; }

/* ==================== FEEDBACK CAROUSEL ==================== */
.carousel-wrap {
  max-width: 640px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 2rem;
  flex-shrink: 0;
}

.testimonial-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.avatar {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  color: #fff;
}

.avatar-female { background: linear-gradient(135deg, #f093fb, #f5576c); }
.avatar-male { background: linear-gradient(135deg, #4facfe, #00f2fe); }

.stars {
  display: flex;
  gap: 0.15rem;
  color: var(--accent-hover);
  font-size: 0.85rem;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.8;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.carousel-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: rgba(0, 173, 181, 0.15);
  color: var(--accent-hover);
  border: 1px solid rgba(0, 173, 181, 0.25);
  transition: background var(--transition), transform 0.2s ease;
}

.carousel-btn:hover {
  background: rgba(0, 173, 181, 0.3);
  transform: scale(1.08);
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  transition: background var(--transition), transform 0.2s ease;
  cursor: pointer;
}

.carousel-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}

/* ==================== SERVICES ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  margin: 0 auto 1.15rem;
  font-size: 1.4rem;
  background: var(--gradient);
  color: var(--bg);
  border-radius: var(--radius-md);
  transition: transform var(--transition);
}

.service-card:hover .service-icon { transform: rotateY(180deg); }

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--accent-hover);
}

.service-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==================== CONTACT ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  padding: 2.25rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.contact-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  font-size: 1.5rem;
  color: #fff;
}

.contact-icon.whatsapp { background: linear-gradient(135deg, #25D366, #128C7E); }
.contact-icon.email { background: linear-gradient(135deg, #667eea, #764ba2); }
.contact-icon.linkedin { background: linear-gradient(135deg, #0077B5, #00A0DC); }

.contact-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-hover);
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  word-break: break-all;
}

.contact-card .btn { margin-top: 0.5rem; width: 100%; }

/* ==================== FOOTER ==================== */
.footer {
  position: relative;
  z-index: 2;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(0, 173, 181, 0.12);
  background: var(--bg-deep);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--accent-hover);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 0.85rem;
}

.social-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: rgba(57, 62, 70, 0.8);
  border: 1px solid rgba(0, 173, 181, 0.15);
  color: var(--accent-hover);
  font-size: 1rem;
  transition: transform 0.2s ease, background var(--transition), box-shadow var(--transition);
}

.social-icon:hover {
  transform: translateY(-4px);
  background: var(--gradient);
  color: var(--bg);
  box-shadow: 0 6px 20px rgba(0, 173, 181, 0.3);
}

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

/* ==================== BACK TO TOP ==================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  color: var(--bg);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

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

.back-to-top:hover { transform: translateY(-4px); }

/* ==================== SCROLL REVEAL ==================== */
.reveal {
  opacity: 0;
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal-up { transform: translateY(45px); }
.reveal-left { transform: translateX(-45px); }
.reveal-right { transform: translateX(45px); }
.reveal-zoom { transform: scale(0.88); }

.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* ==================== PAGE ENTRANCE ==================== */
#main {
  animation: pageEnter 0.8s ease forwards;
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== PARALLAX ==================== */
.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .nav-link { padding: 0.4rem 0.45rem; font-size: 0.75rem; }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual { order: -1; }

  .profile-frame { max-width: 280px; }

  .hero-desc { margin-inline: auto; }
  .hero-actions { justify-content: center; }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-icon-wrap { margin: 0 auto; }
  .about-highlights { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(34, 40, 49, 0.97);
    backdrop-filter: var(--glass-blur);
    padding: 1.25rem;
    gap: 0.25rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    box-shadow: var(--shadow);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.85rem;
    text-align: center;
    font-size: 0.9rem;
  }

  .brand-name { display: none; }

  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
  .skill-card { padding: 1.5rem 0.75rem; }

  .edu-timeline { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .back-to-top { bottom: 1.25rem; right: 1.25rem; width: 42px; height: 42px; }
}

@media (min-width: 1400px) {
  :root { --container: 1320px; }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal { opacity: 1; transform: none; }
  .sport-ball { animation: none; }
}