/* ============================================================
   PREMIUM PORTFOLIO – SHAMANTH N P
   Dark Theme | Glassmorphism | Blue Accents
   ============================================================ */

/* ========== VARIABLES ========== */
:root {
  --bg-dark: #060b18;
  --bg-section: #0a1128;
  --bg-glass: rgba(12, 20, 42, 0.6);
  --bg-glass-hover: rgba(18, 28, 55, 0.8);
  --bg-nav: rgba(6, 11, 24, 0.8);

  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-dark: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-wide: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);

  --text-1: #f1f5f9;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --text-4: #475569;

  --border: rgba(148, 163, 184, 0.08);
  --border-h: rgba(59, 130, 246, 0.3);
  --success: #10b981;

  --font: 'Inter', 'Space Grotesk', sans-serif;
  --mono: 'Fira Code', monospace;
  --heading: 'Space Grotesk', 'Inter', sans-serif;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

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

a {
  text-decoration: none;
  color: var(--accent-light);
  transition: color 0.2s;
}

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

ul {
  list-style: none;
}

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

button {
  font-family: var(--font);
  cursor: pointer;
}

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

::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-dark);
  border-radius: 3px;
}

/* ========== LOADER ========== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}

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

.loader-inner {
  text-align: center;
}

.loader-ring {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  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);
  }
}

.loader-text {
  font-family: var(--mono);
  color: var(--accent-light);
  font-size: 0.95rem;
  letter-spacing: 2px;
  animation: pulse 1.2s ease-in-out infinite;
}

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

/* ========== GLASS UTILITY ========== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}

.glass-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 0 30px var(--accent-glow);
}

/* ========== ANIMATIONS ========== */
.anim-fade {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(6, 11, 24, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-1);
}

.nav-logo:hover {
  color: var(--text-1);
}

.logo-accent {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: var(--r-sm);
  position: relative;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.3s var(--ease);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger .bar {
  width: 24px;
  height: 2.5px;
  background: var(--text-1);
  border-radius: 2px;
  transition: 0.3s;
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-sm);
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent-light);
  border: 1.5px solid rgba(59, 130, 246, 0.4);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-3px);
  color: var(--accent-light);
}

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

/* ========== HERO SECTION ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  /* Extra bottom padding to make room for scroll indicator */
  padding: 120px 24px 100px;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

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

.glow-1 {
  width: 500px;
  height: 500px;
  top: -10%;
  left: -5%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
}

.glow-2 {
  width: 400px;
  height: 400px;
  bottom: -5%;
  right: -5%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1), transparent 70%);
}

.hero-content {
  text-align: center;
  max-width: 780px;
  position: relative;
  z-index: 2;
  /* Add bottom margin so content stays above scroll hint */
  margin-bottom: 40px;
}


.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

.hero-greeting {
  font-family: var(--mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--accent-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-name {
  font-family: var(--heading);
  font-size: clamp(2.5rem, 8vw, 4.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -2px;
  color: var(--text-1);
}

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

.hero-typed {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-2);
  margin-bottom: 20px;
  min-height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.typed-text {
  color: var(--accent-light);
  font-weight: 600;
}

.typed-cursor {
  color: var(--accent);
  font-weight: 300;
  animation: blink 0.7s step-end infinite;
  margin-left: 2px;
}

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

.hero-desc {
  font-size: clamp(0.92rem, 1.5vw, 1.05rem);
  color: var(--text-3);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-socials {
  display: flex;
  gap: 14px;
  justify-content: center;
  /* Space below social icons */
  margin-bottom: 0;
}

.social-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  color: var(--text-2);
  transition: all 0.3s var(--ease);
  background: transparent;
}

.social-circle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 4px 15px var(--accent-glow);
  background: rgba(59, 130, 246, 0.05);
}

/* ========== SCROLL INDICATOR – FIXED POSITION ========== */
.scroll-hint {
  position: absolute;
  bottom: 24px;
  left: auto;
  transform: translateX(-30px); /* Shift left */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  margin-top: auto;
  z-index: 2;
  pointer-events: none;
}

.scroll-hint span {
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-mouse {
  width: 22px;
  height: 34px;
  border: 2px solid var(--text-4);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}

.scroll-wheel {
  width: 3px;
  height: 7px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollW 1.5s ease-in-out infinite;
}

@keyframes scrollW {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* Hide scroll indicator on short screens */
@media (max-height: 650px) {
  .scroll-hint {
    display: none;
  }
}

/* Adjust on mobile */
@media (max-width: 768px) {
  .scroll-hint {
    bottom: 16px;
  }
}

/* ========== SECTIONS COMMON ========== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-section);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent-light);
  letter-spacing: 2px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
}

.title-num {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85em;
  margin-right: 8px;
}

.title-line {
  width: 60px;
  height: 3px;
  background: var(--gradient);
  border-radius: 2px;
  margin: 0 auto;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* ===== Avatar Wrapper ===== */
.avatar-wrapper {
  position: relative;
  width: 220px;
  height: 220px;
}

/* Spinning ring around avatar */
.avatar-ring {
  position: absolute;
  inset: -10px;
  border: 2.5px solid transparent;
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  border-radius: 50%;
  animation: spin 4s linear infinite;
  z-index: 1;
}

/* Second ring spinning opposite direction */
.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1.5px solid transparent;
  border-bottom-color: rgba(139, 92, 246, 0.5);
  border-left-color: rgba(139, 92, 246, 0.5);
  border-radius: 50%;
  animation: spin 6s linear infinite reverse;
}

/* Avatar container */
.avatar-box {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  border: 3px solid var(--border);
  background: linear-gradient(135deg, var(--bg-glass), var(--bg-glass-hover));
  box-shadow:
    0 0 0 4px var(--bg-dark),
    0 0 30px rgba(59, 130, 246, 0.12);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.avatar-box:hover {
  border-color: var(--accent);
  box-shadow:
    0 0 0 4px var(--bg-dark),
    0 0 40px var(--accent-glow),
    0 0 80px rgba(59, 130, 246, 0.08);
}

/* ===== Profile Image ===== */
.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  display: block;
  transition: transform 0.6s var(--ease), filter 0.6s ease;
  /* Slight desaturation to match dark theme */
  filter: grayscale(15%) brightness(0.92) contrast(1.05);
}

.avatar-box:hover .avatar-img {
  transform: scale(1.08);
  filter: grayscale(0%) brightness(1) contrast(1);
}

/* Gradient overlay – blends image into dark theme */
.avatar-box::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(
    180deg,
    transparent 40%,
    rgba(6, 11, 24, 0.35) 100%
  );
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.4s ease;
}

.avatar-box:hover::after {
  opacity: 0.2;
}

/* Accent glow behind avatar on hover */
.avatar-wrapper::after {
  content: '';
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s ease;
  filter: blur(20px);
}

.avatar-wrapper:hover::after {
  opacity: 1;
}

/* ===== Fallback Initials (if image fails) ===== */
.avatar-initials {
  font-family: var(--heading);
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  /* Hidden by default when image loads successfully */
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* ===== Stats Row ===== */
.stat-row {
  display: flex;
  gap: 16px;
  width: 100%;
}

.stat-card {
  flex: 1;
  text-align: center;
  padding: 16px 12px;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-num {
  display: block;
  font-family: var(--heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ===== About Text ===== */
.about-text p {
  font-size: 1.02rem;
  color: var(--text-2);
  margin-bottom: 18px;
  line-height: 1.8;
}

/* ===== About Details ===== */
.about-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.detail-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  transition: background 0.3s ease;
}

.detail-row:hover {
  background: rgba(59, 130, 246, 0.05);
}

.detail-row svg {
  color: var(--accent);
  flex-shrink: 0;
}

.detail-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.detail-val {
  display: block;
  font-size: 0.92rem;
  color: var(--text-2);
}

/* ===== RESPONSIVE – About Section ===== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .avatar-wrapper {
    width: 180px;
    height: 180px;
  }

  .stat-row {
    flex-wrap: wrap;
    justify-content: center;
  }

  .stat-card {
    min-width: 90px;
  }
}

@media (max-width: 480px) {
  .avatar-wrapper {
    width: 150px;
    height: 150px;
  }

  .avatar-initials {
    font-size: 2.5rem;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.68rem;
  }

  .detail-val {
    font-size: 0.82rem;
    word-break: break-word;
  }
}

/* ========== EDUCATION / TIMELINE ========== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 48px;
}

.timeline-track {
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-dark), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

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

.tl-dot {
  position: absolute;
  left: -44px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--accent);
  z-index: 2;
  transition: all 0.3s;
}

.active-dot {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.tl-dot-ping {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: ping 2s ease-in-out infinite;
}

@keyframes ping {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.timeline-item:hover .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.tl-card {
  padding: 24px;
}

.tl-card:hover {
  transform: translateX(6px);
}

.tl-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tl-top h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.4;
}

.tl-inst {
  font-size: 0.88rem;
  color: var(--text-3);
  margin-top: 4px;
}

.tl-year {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent-light);
  white-space: nowrap;
  background: rgba(59, 130, 246, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
}

.tl-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.badge-current {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tl-grade {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-2);
  background: rgba(16, 185, 129, 0.08);
  padding: 6px 14px;
  border-radius: var(--r-sm);
}

/* ========== PROJECTS SECTION ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  position: relative;
}

.pcard-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--r-md);
  background: var(--gradient);
  opacity: 0;
  filter: blur(24px);
  transition: opacity 0.4s;
  z-index: 0;
}

.project-card:hover .pcard-glow {
  opacity: 0.08;
}

.pcard-inner {
  position: relative;
  z-index: 1;
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pcard-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.pcard-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--r-sm);
  color: var(--accent-light);
}

.pcard-type {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(59, 130, 246, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pcard-title {
  font-family: var(--heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color 0.2s;
}

.project-card:hover .pcard-title {
  color: var(--accent-light);
}

.pcard-desc {
  font-size: 0.9rem;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.pcard-tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-2);
  background: rgba(148, 163, 184, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.pcard-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1.5px solid var(--border-h);
  color: var(--accent-light);
  padding: 10px 20px;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  align-self: flex-start;
}

.pcard-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: translateX(4px);
}

/* ========== PROJECT MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.4s var(--ease);
}

.modal-overlay.open .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-1);
  transform: rotate(90deg);
}

.modal-head {
  margin-bottom: 20px;
}

.modal-type {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(59, 130, 246, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.modal-title {
  font-family: var(--heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 24px;
}

.modal-section {
  margin-bottom: 24px;
}

.modal-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.modal-features {
  list-style: none;
}

.modal-features li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: 8px;
  line-height: 1.6;
}

.modal-features li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.modal-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.modal-techs span {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent-light);
  background: rgba(59, 130, 246, 0.1);
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

/* ========== SKILLS SECTION ========== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.skill-group {
  padding: 28px;
}

.sg-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.sg-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--r-sm);
  color: var(--accent-light);
}

.sg-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-1);
}

.sg-bars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sbar {
  display: grid;
  grid-template-columns: 120px 1fr 40px;
  align-items: center;
  gap: 12px;
}

.sbar-name {
  font-size: 0.85rem;
  color: var(--text-2);
  font-weight: 500;
}

.sbar-track {
  height: 8px;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.sbar-fill {
  height: 100%;
  width: 0;
  background: var(--gradient);
  border-radius: 4px;
  transition: width 1.2s var(--ease);
}

.sbar-fill.animated {
  /* Width set via JS */
}

.sbar-pct {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent-light);
  text-align: right;
}

/* ========== CERTIFICATIONS ========== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.cert-card {
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.cert-card:hover {
  transform: translateY(-4px);
}

.cert-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--r-sm);
  color: var(--accent-light);
  flex-shrink: 0;
}

.cert-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 6px;
  line-height: 1.4;
}

.cert-card p {
  font-size: 0.85rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* Achievement */
.achievement {
  position: relative;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  overflow: hidden;
}

.achievement:hover {
  transform: translateY(-4px);
}

.ach-glow {
  position: absolute;
  top: -50%;
  left: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1), transparent 70%);
  pointer-events: none;
}

.ach-icon {
  flex-shrink: 0;
  color: #f59e0b;
  animation: starPulse 3s ease-in-out infinite;
}

@keyframes starPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 12px rgba(245, 158, 11, 0.3));
  }
}

.ach-text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
}

.ach-text p {
  font-size: 0.92rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ========== CONTACT SECTION ========== */
.contact-sub {
  text-align: center;
  font-size: 1.02rem;
  color: var(--text-3);
  max-width: 500px;
  margin: -40px auto 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: start;
}

.contact-form {
  padding: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-wrap svg {
  color: var(--text-3);
  flex-shrink: 0;
}

.input-wrap input,
.input-wrap textarea {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-1);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 14px 0;
  outline: none;
}

.input-wrap input::placeholder,
.input-wrap textarea::placeholder {
  color: var(--text-4);
}

.input-wrap-ta {
  align-items: flex-start;
  padding-top: 14px;
}

.input-wrap-ta svg {
  margin-top: 2px;
}

.input-wrap textarea {
  resize: vertical;
  min-height: 100px;
}

.form-msg {
  text-align: center;
  margin-top: 16px;
  font-size: 0.88rem;
  min-height: 24px;
}

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

.form-msg.error {
  color: #ef4444;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.c-info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  color: var(--text-1);
  cursor: default;
}

a.c-info-card {
  cursor: pointer;
}

.c-info-card:hover {
  transform: translateY(-3px);
}

.c-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--r-sm);
  color: var(--accent-light);
  flex-shrink: 0;
}

.c-info-card h4 {
  font-size: 0.82rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.c-info-card p {
  font-size: 0.9rem;
  color: var(--text-2);
}

.c-social-row {
  padding-top: 16px;
}

.c-social-row h4 {
  font-size: 0.82rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.social-row {
  display: flex;
  gap: 12px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}

.social-btn:hover {
  border-color: var(--border-h);
  color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--accent-glow);
}



/* ========== FORM ENHANCEMENTS ========== */
.spin-icon {
  animation: spin 1s linear infinite;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

.shake {
  animation: shakeAnim 0.5s ease;
}

@keyframes shakeAnim {
  0%, 100% { transform: translateX(0); }
  10%, 50%, 90% { transform: translateX(-6px); }
  30%, 70% { transform: translateX(6px); }
}

.form-msg {
  text-align: center;
  margin-top: 16px;
  font-size: 0.88rem;
  min-height: 24px;
  padding: 0;
  border-radius: var(--r-sm);
  transition: all 0.3s ease;
}

.form-msg.success {
  color: #10b981;
  background: rgba(16, 185, 129, 0.08);
  padding: 14px 16px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-msg.error {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
  padding: 14px 16px;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.input-wrap:focus-within svg {
  color: var(--accent);
}
/* ========== FOOTER ========== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}

.footer-sub {
  font-size: 0.88rem;
  color: var(--text-3);
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-4);
}

/* ========== BACK TO TOP ========== */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 20px var(--accent-glow);
  z-index: 900;
}

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

.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    order: -1;
  }

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

@media (max-width: 768px) {
  /* Nav Mobile */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6, 11, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    transition: right 0.4s var(--ease);
    border-left: 1px solid var(--border);
  }

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

  .hamburger {
    display: flex;
  }

  .nav-link {
    font-size: 1rem;
    padding: 12px 20px;
    width: 100%;
    text-align: center;
  }

  /* Hero */
  .hero {
    padding: 100px 20px 60px;
  }

  .hero-name {
    font-size: clamp(2rem, 10vw, 3.2rem);
    letter-spacing: -1px;
  }

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

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

  /* Sections */
  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

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

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .sbar {
    grid-template-columns: 100px 1fr 36px;
    gap: 8px;
  }

  /* Cert */
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .cert-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  /* Achievement */
  .achievement {
    flex-direction: column;
    text-align: center;
  }

  /* Timeline */
  .timeline {
    padding-left: 36px;
  }

  .tl-dot {
    left: -32px;
  }

  .tl-top {
    flex-direction: column;
  }

  /* Contact */
  .contact-form {
    padding: 24px;
  }

  /* Stat */
  .stat-row {
    flex-wrap: wrap;
  }

  .stat-card {
    min-width: 80px;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(1.8rem, 12vw, 2.5rem);
  }

  .hero-typed {
    font-size: 0.95rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .container {
    padding: 0 16px;
  }

  .sbar {
    grid-template-columns: 80px 1fr 32px;
    gap: 6px;
  }

  .sbar-name {
    font-size: 0.78rem;
  }

  .modal-box {
    padding: 24px;
  }

  .modal-title {
    font-size: 1.2rem;
  }

  .avatar-wrapper {
    width: 160px;
    height: 160px;
  }

  .avatar-initials {
    font-size: 2.5rem;
  }

  .social-row {
    flex-direction: column;
  }

  .social-btn {
    justify-content: center;
  }
}