/* ============================================================
   PORTFOLIO — STYLE.CSS  (v2.1 — Cool Blue & Indigo Overhaul)
   Blue + Indigo + Cyan  |  Glassmorphism Cards
   3D Tilt  |  Gradient Text  |  Premium Animations
   ============================================================ */

/* ---------- CUSTOM PROPERTIES ---------- */
:root {
  /* Core neutral palette */
  --bg:           #eef2ff;
  --bg-alt:       #e0e7ff;
  --bg-card:      rgba(255,255,255,.72);
  --coffee:       #4338ca;
  --coffee-dark:  #312e81;
  --coffee-light: #6366f1;

  --coral:        #4f46e5;
  --coral-glow:   rgba(79,70,229,.25);
  --teal:         #06b6d4;
  --teal-glow:    rgba(6,182,212,.2);
  --violet:       #7c3aed;
  --violet-glow:  rgba(124,58,237,.2);

  --text:         #1e1b4b;
  --text-light:   #4338ca;
  --text-muted:   #6b7280;
  --border:       rgba(79,70,229,.12);
  --white:        #ffffff;

  --grad-primary: linear-gradient(135deg, var(--coral), var(--teal));
  --grad-warm:    linear-gradient(135deg, var(--coffee-dark), var(--coral));
  --grad-cool:    linear-gradient(135deg, var(--teal), var(--violet));

  
  --ff-heading: 'Poppins', sans-serif;
  --ff-body:    'Inter', sans-serif;
  --ff-mono:    'Space Grotesk', monospace;

 
  --section-py: 100px;
  --container:  1160px;

  
  --ease: cubic-bezier(.4,0,.2,1);
  --bounce: cubic-bezier(.34,1.56,.64,1);

 
  --shadow-sm:   0  2px 10px rgba(30,27,75,.06);
  --shadow-md:   0  8px 30px rgba(30,27,75,.1);
  --shadow-lg:   0 20px 60px rgba(30,27,75,.14);
  --shadow-glow: 0  0  40px rgba(79,70,229,.18);
}

/* ---------- RESET ---------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--ff-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- PAGE LOADER ---------- */
.page-loader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--coffee-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s;
}
.page-loader.hidden {
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.loader-content { text-align: center; }
.loader-logo {
  font-size: 3rem;
  color: var(--coral);
  margin-bottom: 24px;
  animation: loaderPulse 1.2s ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: .7; }
}
.loader-bar {
  width: 200px; height: 4px;
  background: rgba(255,255,255,.15);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 16px;
}
.loader-bar-fill {
  width: 0; height: 100%;
  background: var(--grad-primary);
  border-radius: 4px;
  animation: loaderFill 1.8s var(--ease) forwards;
}
@keyframes loaderFill { to { width: 100%; } }
.loader-text {
  font-family: var(--ff-mono);
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  letter-spacing: 2px;
}

/* ---------- CURSOR GLOW ---------- */
.cursor-glow {
  position: fixed;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,70,229,.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: left .15s ease, top .15s ease;
  display: none;
}

/* ---------- UTILITY ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; position: relative; }
.section:nth-child(even):not(.cv) { background: var(--bg-alt); }

/* Gradient text */
.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section titles */
.section-title {
  font-family: var(--ff-heading);
  font-size: 2.4rem;
  font-weight: 800;
  text-align: center;
  color: var(--coffee-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.title-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--grad-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
}
.section-line {
  width: 80px; height: 4px;
  border-radius: 4px;
  background: var(--grad-primary);
  margin: 16px auto 56px;
  position: relative;
}
.section-line::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--coral);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 12px var(--coral-glow);
}

/* ---------- GLASSMORPHISM CARD ---------- */
.glass-card {
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1.5px;
  background: linear-gradient(135deg, rgba(79,70,229,.3), rgba(6,182,212,.15), rgba(255,255,255,.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Card internal shine */
.card-shine {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.15) 50%, transparent 60%);
  transform: rotate(-45deg) translateY(-100%);
  transition: transform .6s var(--ease);
  pointer-events: none;
  z-index: 0;
}
.glass-card:hover .card-shine {
  transform: rotate(-45deg) translateY(0);
}

/* Card glow effect */
.card-glow {
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity .4s var(--ease);
  z-index: -1;
  filter: blur(12px);
}
.glass-card:hover > .card-glow,
[data-tilt]:hover > .card-glow {
  opacity: .2;
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-family: var(--ff-body);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all .35s var(--bounce);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.2), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.btn:hover::after { opacity: 1; }
.btn i { font-size: .9rem; }

.btn-primary {
  background: var(--grad-warm);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 20px var(--coral-glow);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 32px rgba(200,90,47,.4);
}
.btn-outline {
  background: transparent;
  color: var(--coffee);
  border-color: var(--coffee);
}
.btn-outline:hover {
  background: var(--coffee);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(111,78,55,.3);
}
.btn-sm { padding: 9px 20px; font-size: .85rem; border-radius: 40px; }
.btn-accent {
  background: var(--grad-cool);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px var(--teal-glow);
}
.btn-accent:hover {
  box-shadow: 0 8px 28px var(--teal-glow);
  transform: translateY(-3px) scale(1.02);
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(238,242,255,.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(79,70,229,.08);
  transition: all .4s var(--ease);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(30,27,75,.1);
  background: rgba(238,242,255,.92);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo {
  font-family: var(--ff-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--coffee-dark);
  display: flex; align-items: center; gap: 10px;
}
.logo-icon {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1rem;
}
.logo-dot { color: var(--coral); }

.nav-menu {
  display: flex; align-items: center; gap: 4px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all .3s var(--ease);
  display: flex; align-items: center; gap: 6px;
  position: relative;
}
.nav-link i { font-size: .78rem; }
.nav-link:hover {
  color: var(--coral);
  background: rgba(79,70,229,.08);
}
.nav-link.active {
  color: var(--white);
  background: var(--grad-warm);
  font-weight: 600;
  box-shadow: 0 4px 16px var(--coral-glow);
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 36px; height: 36px;
  cursor: pointer;
  position: relative;
}
.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px; height: 2.5px;
  border-radius: 2px;
  background: var(--coffee-dark);
  transition: all .35s var(--ease);
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }
.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--coral);
}
.nav-toggle.active .hamburger::after {
  bottom: 0;
  transform: rotate(-45deg);
  background: var(--coral);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--bg) 0%, #ddd6fe 40%, #c7d2fe 100%);
  overflow: hidden;
  padding-top: 72px;
}

/* Particles container */
.hero-particles {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Animated floating shapes */
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}
.shape-1 {
  width: 500px; height: 500px;
  background: rgba(79,70,229,.12);
  top: -150px; right: -150px;
  animation: floatShape 18s ease-in-out infinite;
}
.shape-2 {
  width: 350px; height: 350px;
  background: rgba(6,182,212,.1);
  bottom: -80px; left: -80px;
  animation: floatShape 22s ease-in-out infinite reverse;
}
.shape-3 {
  width: 200px; height: 200px;
  background: rgba(124,58,237,.08);
  top: 35%; left: 8%;
  animation: floatShape 16s ease-in-out infinite 3s;
}
.shape-4 {
  width: 150px; height: 150px;
  background: rgba(79,70,229,.1);
  top: 20%; right: 15%;
  animation: floatShape 20s ease-in-out infinite 5s;
}
.shape-5 {
  width: 260px; height: 260px;
  background: rgba(99,102,241,.08);
  bottom: 20%; right: 30%;
  animation: floatShape 24s ease-in-out infinite 2s;
}
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
  25% { transform: translate(40px, -50px) scale(1.08) rotate(5deg); }
  50% { transform: translate(-30px, 30px) scale(.92) rotate(-3deg); }
  75% { transform: translate(20px, 40px) scale(1.04) rotate(4deg); }
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 72px;
  max-width: var(--container);
  padding: 0 24px;
  position: relative; z-index: 1;
}
.hero-image { flex-shrink: 0; }
.hero-image-wrapper {
  position: relative;
  width: 300px; height: 300px;
}
.hero-image-wrapper img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: 0 20px 60px rgba(30,27,75,.15), 0 0 40px var(--coral-glow);
  position: relative; z-index: 2;
}
.hero-image-ring {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 2.5px dashed var(--coral);
  animation: spin 25s linear infinite;
  opacity: .6;
}
.hero-image-ring.ring-2 {
  inset: -26px;
  border-color: var(--teal);
  animation-direction: reverse;
  animation-duration: 35s;
  border-style: dotted;
  opacity: .3;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-status {
  position: absolute;
  bottom: 10px; right: -10px;
  background: var(--white);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--coral);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 6px;
  z-index: 3;
  animation: statusPop .6s var(--bounce) 2.2s both;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--coral);
  animation: statusBlink 2s infinite;
}
@keyframes statusBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}
@keyframes statusPop {
  from { transform: scale(0) rotate(-10deg); opacity: 0; }
  to { transform: scale(1) rotate(0); opacity: 1; }
}

.hero-content { max-width: 540px; }
.hero-greeting {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--coral);
  margin-bottom: 6px;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.hero-greeting i { animation: wave 2.5s ease-in-out infinite; }
@keyframes wave {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(16deg); }
  20% { transform: rotate(-6deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50%, 100% { transform: rotate(0deg); }
}
.hero-name {
  font-family: var(--ff-heading);
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--coffee-dark);
  margin-bottom: 14px;
  letter-spacing: -1px;
}
.hero-tagline {
  font-family: var(--ff-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 20px;
  min-height: 1.5em;
  display: flex; align-items: center; gap: 2px;
}
.typed-cursor {
  color: var(--coral);
  font-weight: 300;
  animation: blink .8s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.hero-intro {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-cta { display: flex; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.hero-socials { display: flex; gap: 14px; }
.hero-socials a {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--coffee);
  background: rgba(255,255,255,.6);
  border: 1px solid rgba(79,70,229,.1);
  transition: all .35s var(--bounce);
}
.hero-socials a:hover {
  background: var(--grad-primary);
  color: var(--white);
  border-color: transparent;
  transform: translateY(-4px) rotate(-5deg);
  box-shadow: 0 8px 24px var(--coral-glow);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--coffee-light);
  border-radius: 14px;
  display: flex; justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  border-radius: 3px;
  background: var(--coral);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-text p {
  margin-bottom: 16px;
  font-size: 1.02rem;
  color: var(--text-light);
  line-height: 1.85;
}
.about-text strong { color: var(--coral); font-weight: 700; }
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.highlight-card {
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 20px;
  padding: 30px 22px;
  text-align: center;
  transition: all .4s var(--bounce);
  position: relative;
  overflow: hidden;
}
.highlight-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1.5px;
  background: linear-gradient(135deg, rgba(79,70,229,.3), rgba(6,182,212,.2), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.highlight-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 40px rgba(79,70,229,.12);
}
.highlight-card i {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: block;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.highlight-card h4 {
  font-family: var(--ff-heading);
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--coffee-dark);
}
.highlight-card p { font-size: .86rem; color: var(--text-muted); }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.skill-category {
  padding: 32px;
  transition: all .4s var(--bounce);
}
.skill-category:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.skill-category h3 {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--coffee-dark);
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.skill-category h3 i {
  color: var(--coral);
  font-size: 1.1rem;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(79,70,229,.1);
  display: inline-flex; align-items: center; justify-content: center;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(79,70,229,.08);
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  transition: all .35s var(--bounce);
  cursor: default;
}
.skill-chip i { color: var(--coral); font-size: .95rem; }
.skill-chip:hover {
  background: var(--grad-warm);
  color: var(--white);
  border-color: transparent;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px var(--coral-glow);
}
.skill-chip:hover i { color: var(--white); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.project-card {
  padding: 0;
  display: flex; flex-direction: column;
  transition: all .45s var(--bounce);
}
.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 60px var(--coral-glow);
}
/* Project Image Container */
.project-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}
.project-image img {
  width: 100%; height: 100%;
  object-fit:cover;
  transition: transform .6s var(--ease);
}
.project-card:hover .project-image img {
  transform: scale(1.08);
}
.project-card-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
}
.project-content {
  padding: 24px 28px 32px;
  flex: 1;
  display: flex; flex-direction: column;
}
.project-number {
  font-family: var(--ff-mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: .5;
}
.project-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px var(--coral-glow);
  transition: transform .4s var(--bounce);
}
.project-card:hover .project-icon {
  transform: rotate(-10deg) scale(1.1);
}
.project-icon i { font-size: 1.2rem; color: var(--white); }
.project-card h3 {
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--coffee-dark);
  margin-bottom: 12px;
}
.project-card > .project-content > p {
  font-size: .92rem;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}
.project-tech {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 24px;
}
.project-tech span {
  padding: 5px 14px;
  border-radius: 40px;
  background: rgba(200,90,47,.08);
  font-size: .78rem;
  font-weight: 700;
  color: var(--coral);
  border: 1px solid rgba(200,90,47,.15);
  letter-spacing: .3px;
}
.project-links { display: flex; gap: 10px; margin-top: auto; }

/* ============================================================
   CERTIFICATES
   ============================================================ */
.cert-scroll {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.cert-card {
  padding: 0;
  display: flex; flex-direction: column;
  text-align: center;
  transition: all .4s var(--bounce);
}
.cert-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
/* Cert Image Container */
.cert-image {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
  background: var(--bg-alt);
}
.cert-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.cert-card:hover .cert-image img {
  transform: scale(1.08);
}
.cert-content {
  padding: 24px 24px 32px;
  flex: 1;
  display: flex; flex-direction: column;
  position: relative;
}
.cert-badge {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  margin: -52px auto 16px;
  position: relative;
  z-index: 2;
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 6px 20px var(--coral-glow), 0 0 0 4px var(--bg-card);
  transition: transform .4s var(--bounce);
}
.cert-card:hover .cert-badge {
  transform: rotate(-10deg) scale(1.1);
}
.cert-card h4 {
  font-family: var(--ff-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--coffee-dark);
  margin-bottom: 12px;
}
.cert-org {
  font-size: .86rem;
  color: var(--text-light);
  margin-bottom: 6px;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.cert-org i { color: var(--teal); font-size: .8rem; }
.cert-date {
  font-size: .8rem;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin-bottom: 18px;
}
.cert-date i { font-size: .72rem; color: var(--coral); }
.btn-cert { margin-top: auto; align-self: center; }

/* ============================================================
   ACHIEVEMENTS TIMELINE  — FIXED ALIGNMENT
   ============================================================ */
.achievements-timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 0;
}
/* Central vertical line */
.achievements-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0; bottom: 0;
  width: 3px;
  background: var(--grad-primary);
  border-radius: 3px;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
  padding-left: 0;
}
.timeline-item:last-child { margin-bottom: 0; }

/* Dot container — holds the icon perfectly on the line */
.timeline-dot {
  flex-shrink: 0;
  width: 60px;
  display: flex;
  justify-content: center;
  padding-top: 18px;
  position: relative;
  z-index: 2;
}

.timeline-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px var(--coral-glow), 0 0 0 4px var(--bg);
  transition: transform .4s var(--bounce);
}
.timeline-item:hover .timeline-icon {
  transform: scale(1.15) rotate(-10deg);
}
.timeline-icon i { font-size: .9rem; color: var(--white); }

.timeline-content {
  flex: 1;
  padding: 24px 28px;
  transition: all .4s var(--bounce);
}
.timeline-content:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.timeline-date {
  font-family: var(--ff-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--coral);
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(200,90,47,.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.timeline-date i { font-size: .7rem; }
.timeline-content h4 {
  font-family: var(--ff-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--coffee-dark);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: .92rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   EDUCATION
   ============================================================ */
.education-timeline {
  max-width: 820px;
  margin: 0 auto;
  display: flex; flex-direction: column; gap: 24px;
}
.edu-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 32px;
  transition: all .4s var(--bounce);
}
.edu-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.edu-icon {
  width: 56px; height: 56px; flex-shrink: 0;
  border-radius: 16px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px var(--coral-glow);
  transition: transform .4s var(--bounce);
}
.edu-card:hover .edu-icon {
  transform: rotate(-8deg) scale(1.1);
}
.edu-icon i { font-size: 1.3rem; color: var(--white); }
.edu-details h4 {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--coffee-dark);
  margin-bottom: 10px;
}
.edu-details p {
  font-size: .9rem;
  color: var(--text-light);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 5px;
}
.edu-details p i { color: var(--coral); font-size: .82rem; width: 16px; text-align: center; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--ff-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--coffee-dark);
  margin-bottom: 12px;
}
.contact-info > p {
  font-size: .95rem;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.7;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding: 18px 22px;
  transition: all .35s var(--bounce);
}
.contact-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--coral-glow);
}
.contact-item strong {
  display: block;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item a {
  color: var(--coffee-dark);
  font-weight: 600;
  font-size: .95rem;
  transition: color .3s;
}
.contact-item a:hover { color: var(--coral); }

/* Contact form */
.contact-form {
  padding: 36px;
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: flex; align-items: center; gap: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--coffee-dark);
  margin-bottom: 8px;
}
.form-group label i { color: var(--coral); font-size: .82rem; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(111,78,55,.1);
  border-radius: 14px;
  font-family: var(--ff-body);
  font-size: .95rem;
  color: var(--text);
  background: rgba(255,255,255,.5);
  transition: all .3s var(--ease);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--coral);
  box-shadow: 0 0 0 4px var(--coral-glow);
  background: rgba(255,255,255,.8);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

/* ============================================================
   DOWNLOAD CV
   ============================================================ */
.cv {
  background: linear-gradient(135deg, var(--coffee-dark) 0%, #8b4a2b 40%, var(--coffee-dark) 100%);
  position: relative;
  overflow: hidden;
}
.cv::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(200,90,47,.08);
  top: -200px; right: -200px;
  filter: blur(60px);
}
.cv-container {
  text-align: center;
  padding: 72px 20px;
}
.cv-content { max-width: 540px; margin: 0 auto; }
.cv-icon-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 24px;
}
.cv-big-icon {
  font-size: 3.5rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  z-index: 1;
}
.cv-icon-pulse {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 2px solid rgba(200,90,47,.3);
  animation: cvPulse 2s ease-out infinite;
}
@keyframes cvPulse {
  0% { transform: scale(.8); opacity: .8; }
  100% { transform: scale(1.5); opacity: 0; }
}
.cv-content h2 {
  font-family: var(--ff-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}
.cv-gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cv-content p {
  color: rgba(255,255,255,.65);
  font-size: 1rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.btn-cv {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 40px;
  border-radius: 50px;
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--white);
  color: var(--coffee-dark);
  transition: all .4s var(--bounce);
  position: relative;
  overflow: hidden;
}
.btn-cv:hover {
  background: var(--grad-primary);
  color: var(--white);
  border-color: transparent;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 40px rgba(200,90,47,.35);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--coffee-dark);
  color: rgba(255,255,255,.7);
  padding: 56px 0 32px;
}
.footer-content { text-align: center; }
.footer-logo {
  font-family: var(--ff-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.footer-logo i {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-brand p {
  font-size: .9rem;
  margin-bottom: 24px;
}
.footer-socials {
  display: flex; justify-content: center; gap: 14px;
  margin-bottom: 28px;
}
.footer-socials a {
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1.5px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,.6);
  transition: all .35s var(--bounce);
}
.footer-socials a:hover {
  background: var(--grad-primary);
  border-color: transparent;
  color: var(--white);
  transform: translateY(-4px) rotate(-5deg);
  box-shadow: 0 8px 24px var(--coral-glow);
}
.footer-copy {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}
.footer-copy i { font-size: .75rem; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 50px; height: 50px;
  border-radius: 16px;
  background: var(--grad-primary);
  color: var(--white);
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(20px) scale(.8);
  transition: all .4s var(--bounce);
  box-shadow: 0 8px 24px var(--coral-glow);
  z-index: 999;
}
.back-to-top.show {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 12px 36px rgba(200,90,47,.4);
}

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--grad-primary);
  color: var(--white);
  padding: 16px 32px;
  border-radius: 16px;
  font-size: .92rem;
  font-weight: 600;
  box-shadow: 0 12px 40px var(--coral-glow);
  z-index: 10000;
  opacity: 0;
  transition: all .5s var(--bounce);
  display: flex; align-items: center; gap: 10px;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  :root { --section-py: 80px; }
  .hero-container { flex-direction: column; text-align: center; gap: 40px; }
  .hero-content { max-width: 100%; }
  .hero-tagline { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-socials { justify-content: center; }
  .hero-name { font-size: 2.8rem; }
  .hero-greeting { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: repeat(4, 1fr); }

  .skills-categories { grid-template-columns: 1fr; }

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

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

  .cursor-glow { display: none !important; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }
  .section-title { font-size: 1.8rem; gap: 10px; }
  .title-icon { width: 40px; height: 40px; font-size: .95rem; }

  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-menu {
    position: fixed;
    top: 72px; right: -100%;
    width: 300px; height: calc(100vh - 72px);
    background: rgba(247,242,237,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 4px;
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 40px rgba(0,0,0,.08);
    transition: right .4s var(--ease);
    overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-link { padding: 14px 18px; width: 100%; border-radius: 14px; font-size: .95rem; }

  .hero-image-wrapper { width: 220px; height: 220px; }
  .hero-name { font-size: 2.4rem; }
  .hero-tagline { font-size: .92rem; flex-wrap: wrap; }

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

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

  .cert-scroll { grid-template-columns: 1fr; }

  .achievements-timeline::before { left: 28px; }
  .timeline-dot { width: 56px; }
  .timeline-content { padding: 20px 22px; }

  .edu-card { flex-direction: column; gap: 16px; padding: 24px; }

  .contact-form { padding: 24px; }

  .cv-content h2 { font-size: 1.7rem; }

  .cursor-glow { display: none !important; }
}

@media (max-width: 480px) {
  .about-highlights { grid-template-columns: 1fr; }
  .cert-scroll { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-name { font-size: 2rem; }
}

/* ============================================================
   DARK MODE TOGGLE BUTTON
   ============================================================ */
.dark-mode-toggle {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(79,70,229,.2);
  background: rgba(255,255,255,.5);
  backdrop-filter: blur(8px);
  color: var(--coffee-dark);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .35s var(--bounce);
  position: relative;
  overflow: hidden;
}
.dark-mode-toggle:hover {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  transform: rotate(20deg) scale(1.1);
  box-shadow: 0 4px 20px var(--coral-glow);
}
.dark-mode-toggle i {
  transition: transform .4s var(--bounce);
}
.dark-mode-toggle:hover i {
  transform: rotate(-20deg);
}

/* ============================================================
   DARK MODE THEME
   ============================================================ */
body.dark-mode {
  --bg:           #0f0d1a;
  --bg-alt:       #161227;
  --bg-card:      rgba(22,18,39,.8);
  --coffee:       #818cf8;
  --coffee-dark:  #c7d2fe;
  --coffee-light: #a5b4fc;

  --coral:        #818cf8;
  --coral-glow:   rgba(129,140,248,.25);
  --teal:         #22d3ee;
  --teal-glow:    rgba(34,211,238,.2);
  --violet:       #a78bfa;
  --violet-glow:  rgba(167,139,250,.2);

  --text:         #e2e8f0;
  --text-light:   #c7d2fe;
  --text-muted:   #94a3b8;
  --border:       rgba(129,140,248,.15);
  --white:        #ffffff;

  --shadow-sm:   0  2px 10px rgba(0,0,0,.25);
  --shadow-md:   0  8px 30px rgba(0,0,0,.35);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.4);
  --shadow-glow: 0  0  40px rgba(129,140,248,.2);
}

/* Navbar dark */
body.dark-mode .navbar {
  background: rgba(15,13,26,.75);
  border-bottom-color: rgba(129,140,248,.1);
}
body.dark-mode .navbar.scrolled {
  background: rgba(15,13,26,.92);
  box-shadow: 0 4px 30px rgba(0,0,0,.4);
}

/* Dark mode toggle button in dark mode */
body.dark-mode .dark-mode-toggle {
  background: rgba(129,140,248,.15);
  border-color: rgba(129,140,248,.3);
  color: #fbbf24;
}
body.dark-mode .dark-mode-toggle:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1e1b4b;
  border-color: transparent;
}

/* Nav link dark */
body.dark-mode .nav-link:hover {
  background: rgba(129,140,248,.12);
}

/* Glass cards dark */
body.dark-mode .glass-card {
  background: rgba(22,18,39,.65);
  border-color: rgba(129,140,248,.12);
}
body.dark-mode .glass-card::before {
  background: linear-gradient(135deg, rgba(129,140,248,.25), rgba(34,211,238,.1), rgba(255,255,255,.03));
}

/* Highlight cards dark */
body.dark-mode .highlight-card {
  background: rgba(22,18,39,.6);
  border-color: rgba(129,140,248,.12);
}

/* Hero dark */
body.dark-mode .hero {
  background: linear-gradient(160deg, #0f0d1a 0%, #1e1338 40%, #151030 100%);
}

/* Even sections dark */
body.dark-mode .section:nth-child(even):not(.cv) {
  background: var(--bg-alt);
}

/* Hero image in dark */
body.dark-mode .hero-image-wrapper img {
  border-color: rgba(129,140,248,.3);
  box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 40px var(--coral-glow);
}
body.dark-mode .hero-status {
  background: rgba(22,18,39,.9);
  box-shadow: var(--shadow-md);
}

/* Skill chips dark */
body.dark-mode .skill-chip {
  background: rgba(22,18,39,.55);
  border-color: rgba(129,140,248,.1);
}

/* Form inputs dark */
body.dark-mode input,
body.dark-mode textarea {
  background: rgba(15,13,26,.6) !important;
  border-color: rgba(129,140,248,.15) !important;
  color: var(--text) !important;
}
body.dark-mode input::placeholder,
body.dark-mode textarea::placeholder {
  color: var(--text-muted) !important;
}
body.dark-mode input:focus,
body.dark-mode textarea:focus {
  border-color: var(--coral) !important;
  box-shadow: 0 0 0 3px var(--coral-glow) !important;
}

/* Socials dark */
body.dark-mode .hero-socials a {
  background: rgba(22,18,39,.6);
  border-color: rgba(129,140,248,.15);
}

/* Scroll indicator dark */
body.dark-mode .scroll-mouse {
  border-color: var(--coffee-light);
}

/* Page loader dark */
body.dark-mode .page-loader {
  background: #0f0d1a;
}

/* Footer dark */
body.dark-mode .footer {
  background: #0a0815;
}

/* CV section dark */
body.dark-mode .cv {
  background: var(--bg);
}
body.dark-mode .cv-container {
  background: rgba(22,18,39,.65);
}

/* Mobile nav menu dark */
@media (max-width: 768px) {
  body.dark-mode .nav-menu {
    background: rgba(15,13,26,.97);
    border-left-color: rgba(129,140,248,.1);
  }
}