/* ==========================================================================
   Hiren Shelar Portfolio — Platinum Monogram Theme
   Palette matched to favicon: black #000, silver #809090, platinum #f0f0f0
   ========================================================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #070b14;
  --color-bg-secondary: #0d1321;
  --color-bg-card: rgba(13, 19, 33, 0.75);
  --color-surface: #151d2e;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(143, 163, 179, 0.4);
  --color-text: #e8edf2;
  --color-text-muted: #8fa3b3;
  --color-accent: #9db0c0;
  --color-accent-hover: #c5d0dc;
  --color-accent-glow: rgba(128, 144, 144, 0.35);
  --color-gradient-start: #e8edf2;
  --color-gradient-end: #647888;
  --color-logo-silver: #809090;
  --color-logo-platinum: #f0f0f0;
  --color-logo-black: #0a0a0a;
  --font-body: "Inter", system-ui, sans-serif;
  --font-heading: "Sora", "Inter", sans-serif;
  --nav-height: 76px;
  --section-padding: clamp(4.5rem, 9vw, 7.5rem);
  --container-width: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 20px 50px rgba(128, 144, 144, 0.2);
  --glass: blur(16px) saturate(180%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

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

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

/* --- Animated Background --- */
.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: var(--color-bg);
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
  pointer-events: none;
}

.bg-blob--1 {
  width: 520px;
  height: 520px;
  top: -12%;
  left: 15%;
  background: rgba(128, 144, 144, 0.18);
  animation: blobDrift1 22s ease-in-out infinite;
}

.bg-blob--2 {
  width: 440px;
  height: 440px;
  top: 35%;
  right: -8%;
  background: rgba(100, 120, 136, 0.14);
  animation: blobDrift2 26s ease-in-out infinite;
}

.bg-blob--3 {
  width: 380px;
  height: 380px;
  bottom: -5%;
  left: 25%;
  background: rgba(143, 163, 179, 0.1);
  animation: blobDrift3 20s ease-in-out infinite;
}

.bg-shimmer {
  position: absolute;
  inset: -50%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    rgba(232, 237, 242, 0.03) 60deg,
    transparent 120deg,
    rgba(128, 144, 144, 0.04) 180deg,
    transparent 240deg,
    rgba(100, 120, 136, 0.03) 300deg,
    transparent 360deg
  );
  animation: shimmerRotate 30s linear infinite;
}

@keyframes blobDrift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.08); }
  66% { transform: translate(-30px, 70px) scale(0.95); }
}

@keyframes blobDrift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-80px, -50px) scale(1.12); }
}

@keyframes blobDrift3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40% { transform: translate(50px, -60px) scale(1.05); }
  80% { transform: translate(-40px, 30px) scale(0.92); }
}

@keyframes shimmerRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.bg-particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

.bg-gradient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}

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

.section {
  padding-block: var(--section-padding);
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, rgba(13, 19, 33, 0.5) 0%, transparent 100%);
  border-block: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding: 0.375rem 1rem;
  background: rgba(128, 144, 144, 0.1);
  border: 1px solid rgba(143, 163, 179, 0.25);
  border-radius: 999px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: -0.02em;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  margin: 1rem auto 0;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: 2px;
}

.section-subtitle {
  margin-top: 1rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin-inline: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: #fff;
  box-shadow: 0 4px 24px var(--color-accent-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  box-shadow: 0 8px 36px var(--color-accent-glow);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: 999px;
  box-shadow: 0 4px 16px var(--color-accent-glow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-accent-glow);
}

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

.btn-outline:hover {
  background: rgba(128, 144, 144, 0.12);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), box-shadow var(--transition),
    backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  box-shadow: 0 1px 0 var(--color-border), 0 8px 32px rgba(0, 0, 0, 0.2);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #f8fafc;
}

.nav-logo-img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-logo-black);
  border: 1px solid rgba(143, 163, 179, 0.25);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(128, 144, 144, 0.25);
}

.nav-logo-text {
  font-size: 1.0625rem;
  display: none;
}

@media (min-width: 640px) {
  .nav-logo-text {
    display: block;
  }
}

.nav-cta-wrap {
  margin-left: 0.5rem;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(var(--container-width), 100% - 2rem);
  margin-inline: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

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

.nav-toggle.open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

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

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 3rem) 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(128, 144, 144, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128, 144, 144, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 25s linear infinite;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, black, transparent);
}

@keyframes gridDrift {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb--1 {
  width: 400px;
  height: 400px;
  top: 10%;
  right: -10%;
  background: rgba(128, 144, 144, 0.1);
  animation: float 8s ease-in-out infinite;
}

.hero-orb--2 {
  width: 300px;
  height: 300px;
  bottom: 20%;
  left: -5%;
  background: rgba(100, 120, 136, 0.1);
  animation: float 10s ease-in-out infinite reverse;
}

.hero-orb--3 {
  width: 250px;
  height: 250px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(232, 237, 242, 0.06);
  animation: pulseOrb 6s ease-in-out infinite;
}

@keyframes pulseOrb {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

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

.hero-sparkles span {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-logo-platinum);
  border-radius: 50%;
  opacity: 0;
  box-shadow: 0 0 6px rgba(240, 240, 240, 0.6);
  animation: sparkle 4s ease-in-out infinite;
}

.hero-sparkles span:nth-child(1) { top: 18%; left: 12%; animation-delay: 0s; }
.hero-sparkles span:nth-child(2) { top: 28%; right: 18%; animation-delay: 0.8s; }
.hero-sparkles span:nth-child(3) { top: 55%; left: 8%; animation-delay: 1.6s; }
.hero-sparkles span:nth-child(4) { top: 70%; right: 12%; animation-delay: 2.4s; }
.hero-sparkles span:nth-child(5) { top: 40%; left: 85%; animation-delay: 3.2s; }
.hero-sparkles span:nth-child(6) { top: 82%; left: 45%; animation-delay: 1.2s; }

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

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

.hero-content {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(128, 144, 144, 0.1);
  border: 1px solid rgba(143, 163, 179, 0.3);
  border-radius: 999px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.9); }
}

.hero-greeting {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 9vw, 5rem);
  font-weight: 700;
  color: #f8fafc;
  line-height: 1.05;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.hero-name-accent {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-role {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-muted);
  min-height: 2.25rem;
  margin-bottom: 1.25rem;
}

.typing-cursor {
  color: var(--color-accent);
  animation: blink 1s step-end infinite;
}

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

.hero-intro {
  max-width: 580px;
  margin-inline: auto;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.75;
}

.hero-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.hero-tech span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color var(--transition), color var(--transition);
}

.hero-tech span:hover {
  border-color: var(--color-border-hover);
  color: var(--color-accent);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass);
}

.hero-stat {
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.hero-stat span {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition),
    transform var(--transition), box-shadow var(--transition);
}

.hero-social a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll i {
  font-size: 0.875rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ==========================================================================
   Trust Bar
   ========================================================================== */
.trust-bar {
  padding: 2rem 0;
  border-block: 1px solid var(--color-border);
  background: rgba(13, 19, 33, 0.6);
  backdrop-filter: var(--glass);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color var(--transition), transform var(--transition);
}

.trust-item:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.trust-item i {
  color: var(--color-accent);
  font-size: 1.125rem;
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 320px;
  margin-inline: auto;
  box-shadow: var(--shadow-card);
}

.about-image-frame::before {
  content: "";
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: calc(var(--radius-lg) + 3px);
  z-index: -1;
  opacity: 0.8;
}

.about-image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 20, 0.4), transparent 50%);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.about-image-frame img {
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
}

.about-content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about-highlights {
  margin-top: 1.5rem;
}

.about-highlights li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.about-highlights i {
  color: var(--color-accent);
  font-size: 0.875rem;
}

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

.skill-category {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  backdrop-filter: var(--glass);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  opacity: 0;
  transition: opacity var(--transition);
}

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

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(128, 144, 144, 0.2);
}

.skill-category h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-category h3 i {
  font-size: 1.5rem;
}

.skill-bars {
  margin-bottom: 1.25rem;
}

.skill-bar {
  margin-bottom: 1rem;
}

.skill-bar:last-child {
  margin-bottom: 0;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 0.375rem;
  color: var(--color-text-muted);
}

.skill-track {
  height: 6px;
  background: var(--color-surface);
  border-radius: 3px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-fill.animated {
  width: var(--fill-width);
}

.skill-icons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.skill-icons i {
  font-size: 2rem;
  transition: transform var(--transition);
}

.skill-icons i:hover {
  transform: scale(1.15);
}

.skill-other {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Projects
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: var(--glass);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
  position: relative;
}

.project-card--featured {
  border-color: rgba(128, 144, 144, 0.3);
  box-shadow: 0 0 0 1px rgba(128, 144, 144, 0.1), var(--shadow-card);
}

.project-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.375rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  border-radius: 999px;
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(128, 144, 144, 0.2);
}

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

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(128, 144, 144, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-overlay-link {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 1.25rem;
  transform: scale(0.8);
  transition: transform var(--transition);
}

.project-card:hover .project-overlay-link {
  transform: scale(1);
}

.project-body {
  padding: 1.5rem;
}

.project-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #f8fafc;
}

.project-body p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tech span {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.3125rem 0.75rem;
  background: rgba(128, 144, 144, 0.08);
  color: var(--color-accent);
  border: 1px solid rgba(128, 144, 144, 0.15);
  border-radius: 999px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition);
}

.project-link:hover {
  gap: 0.75rem;
}

/* ==========================================================================
   Experience Timeline
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 700px;
  margin-inline: auto;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-gradient-end), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

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

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  transform: translateX(-6px);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.timeline-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline-content:hover {
  border-color: rgba(128, 144, 144, 0.2);
  box-shadow: var(--shadow-card);
}

.timeline-date {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: #f8fafc;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.timeline-list li:last-child {
  margin-bottom: 0;
}

.timeline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.timeline-list li strong {
  color: var(--color-text);
}

.timeline-content p:last-child {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Education block (separate from work timeline) */
.education-block {
  max-width: 700px;
  margin-inline: auto;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.education-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.education-title {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: #f8fafc;
  margin-top: 0.5rem;
}

.education-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.education-card:hover {
  border-color: rgba(128, 144, 144, 0.2);
  box-shadow: var(--shadow-card);
}

.education-meta .timeline-company {
  margin-bottom: 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.5rem;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, rgba(128, 144, 144, 0.12), rgba(100, 120, 136, 0.08));
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass);
}

.contact-banner-text h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: #f8fafc;
  margin-bottom: 0.375rem;
}

.contact-banner-text p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(128, 144, 144, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
}

.contact-item h3 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  color: #f8fafc;
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-item p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #ef4444;
  margin-top: 0.375rem;
  min-height: 1.25rem;
}

.form-success {
  margin-top: 1rem;
  padding: 0.875rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-sm);
  color: #4ade80;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-success[hidden] {
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(13, 19, 33, 0.5));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition),
    transform var(--transition);
}

.footer-social a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-tagline {
  font-size: 0.8125rem !important;
  opacity: 0.6;
}

/* ==========================================================================
   Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--color-gradient-start), var(--color-gradient-end));
  border-radius: 4px;
}

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

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(16px);
    padding: 1.5rem;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition),
      visibility var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-cta-wrap {
    margin-left: 0;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
  }

  .nav-cta-wrap .btn-nav {
    display: flex;
    justify-content: center;
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    max-width: 280px;
  }

  .hero-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .hero-stat strong {
    margin-bottom: 0;
  }

  .contact-banner {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .contact-banner .btn {
    width: 100%;
    justify-content: center;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-marker {
    left: -1.5rem;
  }

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

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 1.25rem;
  }
}

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

  html {
    scroll-behavior: auto;
  }

  .bg-particles {
    display: none;
  }

  .bg-blob,
  .bg-shimmer,
  .hero-bg-grid,
  .hero-orb,
  .hero-sparkles span {
    animation: none !important;
  }
}