/* ========================================
   Y. N. L. SAHITHI - Premium Single Page
   Refined Motion System & Design
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Navy & Teal */
  --color-primary: #1a365d;
  --color-primary-light: #2c5282;
  --color-accent: #0d9488;
  --color-accent-muted: rgba(13, 148, 136, 0.12);
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f7fafc;
  --color-bg-dark: #1a365d;
  --color-text: #1a202c;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;
  --container-narrow: 900px;

  /* Motion System - Soft Easing */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-gentle: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in-out-soft: cubic-bezier(0.45, 0, 0.55, 1);

  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
  --duration-slower: 900ms;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__portrait,
  .hero__photo,
  .btn,
  .project-card,
  .nav__link,
  .cursor-follower,
  .cursor-dot {
    transition: none !important;
    display: none !important;
  }
}

/* ========================================
   SCROLL PROGRESS INDICATOR
   ======================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
  z-index: 9999;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--color-accent);
}

/* ========================================
   CUSTOM CURSOR (Desktop Only)
   ======================================== */

.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(13, 148, 136, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transition:
    transform 0.15s var(--ease-out-soft),
    width 0.3s var(--ease-out-soft),
    height 0.3s var(--ease-out-soft),
    border-color 0.3s var(--ease-smooth);
  transform: translate(-50%, -50%);
}

.cursor-follower.hovering {
  width: 60px;
  height: 60px;
  border-color: var(--color-accent);
}

.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.05s linear;
}

@media (max-width: 1024px) {

  .cursor-follower,
  .cursor-dot {
    display: none;
  }
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-6xl);
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.02em;
}

h3 {
  font-size: var(--font-size-xl);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-smooth);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* ========================================
   SCROLL REVEAL SYSTEM
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-slow) var(--ease-out-soft),
    transform var(--duration-slow) var(--ease-out-soft);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-children>* {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.reveal-children.visible>* {
  opacity: 1;
  transform: translateY(0);
}

.reveal-children.visible>*:nth-child(1) {
  transition-delay: 0ms;
}

.reveal-children.visible>*:nth-child(2) {
  transition-delay: 100ms;
}

.reveal-children.visible>*:nth-child(3) {
  transition-delay: 200ms;
}

.reveal-children.visible>*:nth-child(4) {
  transition-delay: 300ms;
}

.reveal-children.visible>*:nth-child(5) {
  transition-delay: 400ms;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    padding var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
  padding: 16px 0;
}

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

.nav__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  display: flex;
  gap: 6px;
}

.nav__logo-text {
  color: var(--color-primary);
}

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

.nav__links {
  display: flex;
  gap: 32px;
  position: relative;
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-normal) var(--ease-smooth);
}

/* Underline draws from center */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition:
    width var(--duration-normal) var(--ease-out-soft),
    left var(--duration-normal) var(--ease-out-soft);
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link:hover::after {
  width: 100%;
  left: 0;
}

.nav__link.active {
  color: var(--color-primary);
}

.nav__link.active::after {
  width: 100%;
  left: 0;
}

.nav-mobile {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-mobile span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

/* Animated Background Elements Container */
.hero__bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Floating Orbs */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 20s ease-in-out infinite;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.2) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 54, 93, 0.15) 0%, transparent 70%);
  bottom: 10%;
  left: -10%;
  animation-delay: -7s;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.12) 0%, transparent 70%);
  top: 40%;
  right: 30%;
  animation-delay: -14s;
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, -30px) scale(1.05);
  }

  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }

  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* Subtle Grid Pattern */
.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 54, 93, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 54, 93, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 70%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 560px;
}

/* Hero Label with Pulsing Dot */
.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: rgba(13, 148, 136, 0.1);
  border: 1px solid rgba(13, 148, 136, 0.2);
  backdrop-filter: blur(8px);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 30px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(15px);
  animation: fadeUp var(--duration-slow) var(--ease-out-soft) 0.3s forwards;
}

.hero__label-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.8);
  }
}

/* Hero Name with Accent */
.hero__name {
  font-size: var(--font-size-6xl);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.1;
  opacity: 0;
  animation: fadeUp var(--duration-slow) var(--ease-out-soft) 0.5s forwards;
}

.hero__name-line {
  display: block;
  color: var(--color-primary);
}

.hero__name-accent {
  display: block;
  color: var(--color-accent);
  position: relative;
}

/* Hero Title */
.hero__title {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft var(--duration-slow) var(--ease-out-soft) 0.7s forwards;
}

/* Hero Statement - Soft fade only */
.hero__statement {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeIn var(--duration-slower) var(--ease-gentle) 0.9s forwards;
}

.hero__actions {
  display: flex;
  gap: 16px;
  opacity: 0;
  animation: fadeUp var(--duration-slow) var(--ease-out-soft) 1.1s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Hero Image Container */
.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: scale(0.95);
  animation: heroImageReveal var(--duration-slower) var(--ease-out-soft) 0.4s forwards;
}

@keyframes heroImageReveal {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   PORTRAIT WITH LAYERED EFFECTS
   ======================================== */

/* Animated Glow Behind Portrait */
.hero__portrait-glow {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.3) 0%, transparent 70%);
  filter: blur(60px);
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.hero__portrait {
  width: 380px;
  height: 380px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  z-index: 1;
}

/* Outer ring - thin, animated */
.hero__portrait::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid rgba(13, 148, 136, 0.25);
  transition:
    border-color var(--duration-slow) var(--ease-smooth),
    transform var(--duration-slower) var(--ease-smooth),
    box-shadow var(--duration-slow) var(--ease-smooth);
}

/* Inner ring - slightly thicker */
.hero__portrait::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(13, 148, 136, 0.35);
  transition:
    border-color var(--duration-slow) var(--ease-smooth),
    transform var(--duration-slower) var(--ease-smooth);
}

/* Hover states for rings */
.hero__portrait:hover::before {
  border-color: rgba(13, 148, 136, 0.5);
  transform: rotate(3deg);
  box-shadow: 0 0 50px rgba(13, 148, 136, 0.2);
}

.hero__portrait:hover::after {
  border-color: rgba(13, 148, 136, 0.6);
  transform: rotate(-2deg);
}

/* Profile photo with layered image transition */
.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  /* Default: slightly desaturated, low contrast, soft */
  filter: saturate(0.85) contrast(0.95) brightness(1.02);
  box-shadow:
    inset 0 0 30px rgba(0, 0, 0, 0.08),
    0 25px 50px rgba(15, 37, 68, 0.15);
  transition:
    filter var(--duration-slower) var(--ease-in-out-soft),
    box-shadow var(--duration-slower) var(--ease-smooth),
    transform var(--duration-slower) var(--ease-smooth);
}

/* Hover: full color, increased contrast, slight scale */
.hero__portrait:hover .hero__photo {
  filter: saturate(1.1) contrast(1.05) brightness(1);
  box-shadow:
    inset 0 0 20px rgba(0, 0, 0, 0.05),
    0 35px 70px rgba(15, 37, 68, 0.2),
    0 0 60px rgba(201, 162, 39, 0.1);
  transform: scale(1.02);
}

/* ========================================
   BUTTONS WITH REFINED INTERACTIONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--duration-fast) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Background fill animation */
.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-soft);
  z-index: 0;
}

.btn--primary:hover::before {
  transform: scaleX(1);
}

.btn--primary span,
.btn--primary svg {
  position: relative;
  z-index: 1;
}

.btn--primary:hover {
  box-shadow: 0 10px 30px rgba(26, 54, 93, 0.3);
}

/* Glow Effect for Primary Button */
.btn--glow {
  animation: buttonGlow 3s ease-in-out infinite;
}

@keyframes buttonGlow {

  0%,
  100% {
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.2);
  }

  50% {
    box-shadow: 0 4px 25px rgba(13, 148, 136, 0.3);
  }
}

.btn--glow:hover {
  animation: none;
  box-shadow: 0 10px 35px rgba(13, 148, 136, 0.35);
}

/* Click compression */
.btn:active {
  transform: scale(0.97);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
  transition:
    background var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth),
    color var(--duration-normal) var(--ease-smooth),
    transform var(--duration-fast) var(--ease-smooth);
}

.btn--outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* Arrow nudge on hover */
.btn .btn-arrow {
  transition: transform var(--duration-normal) var(--ease-out-soft);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ========================================
   QUICK SNAPSHOT STRIP
   ======================================== */

.snapshot {
  background: var(--color-bg-dark);
  padding: 48px 0;
}

.snapshot__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.snapshot__item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: white;
  opacity: 0;
  transform: translateY(15px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.snapshot__item.visible {
  opacity: 1;
  transform: translateY(0);
}

.snapshot__icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.snapshot__icon svg {
  stroke: rgba(255, 255, 255, 0.9);
}

.snapshot__item:hover .snapshot__icon {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.snapshot__text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  opacity: 0.9;
  line-height: 1.4;
}

.snapshot__label {
  font-size: var(--font-size-xs);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

/* ========================================
   SECTION HEADERS
   ======================================== */

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

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
  background: var(--color-bg-secondary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about__content p:last-child {
  margin-bottom: 0;
}

/* Vision Timeline */
.vision-timeline {
  position: relative;
  padding-left: 32px;
}

.vision-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-border) 100%);
  transform-origin: top;
  transform: scaleY(0);
  transition: transform var(--duration-slower) var(--ease-out-soft);
}

.vision-timeline.visible::before {
  transform: scaleY(1);
}

.vision-item {
  position: relative;
  padding-bottom: 32px;
  opacity: 0;
  transform: translateX(-15px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.vision-item.visible {
  opacity: 1;
  transform: translateX(0);
}

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

.vision-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  transform: scale(0);
  transition: transform var(--duration-normal) var(--ease-out-soft);
}

.vision-item.visible::before {
  transform: scale(1);
}

.vision-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.vision-item__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   TIMELINE SECTION
   ======================================== */

.timeline {
  background: var(--color-bg-primary);
}

.timeline-list {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

/* Animated accent line */
.timeline-line {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--color-accent);
  transition: height var(--duration-slower) var(--ease-out-soft);
}

.timeline-list.visible .timeline-line {
  height: 100%;
}

.timeline-item {
  position: relative;
  padding-left: 48px;
  padding-bottom: 48px;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  transform: scale(0);
  transition: transform var(--duration-normal) var(--ease-out-soft);
}

.timeline-item.visible::before {
  transform: scale(1);
}

.timeline-item--current::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-muted);
}

.timeline-item__date {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.timeline-item__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.timeline-item__org {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.timeline-item__impact {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */

.projects {
  background: var(--color-bg-secondary);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* Project Card with 3D tilt on hover */
.project-card {
  background: var(--color-bg-primary);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(25px);
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform 0.15s var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth),
    border-radius var(--duration-normal) var(--ease-smooth);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Accent bar */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-soft);
}

/* Hover: lift, shadow deepens, radius increases */
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: transparent;
  border-radius: 20px;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-muted);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.project-card__icon svg {
  stroke: var(--color-accent);
}

.project-card:hover .project-card__icon {
  background: var(--color-accent);
  transform: scale(1.05);
}

.project-card:hover .project-card__icon svg {
  stroke: white;
}

.project-card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  transition: color var(--duration-normal) var(--ease-smooth);
}

.project-card:hover .project-card__title {
  color: var(--color-accent);
}

.project-card__objective {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.6;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-card__tag {
  padding: 6px 14px;
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 20px;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    color var(--duration-normal) var(--ease-smooth);
}

.project-card:hover .project-card__tag {
  background: var(--color-accent-muted);
  color: var(--color-accent);
}

/* ========================================
   SKILLS SECTION
   ======================================== */

.skills {
  background: var(--color-bg-primary);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.skill-block {
  padding: 32px;
  background: var(--color-bg-secondary);
  border-radius: 16px;
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.skill-block.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-block__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-accent);
}

.skill-block__header svg {
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.skill-block__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.skill-block__list {
  list-style: none;
}

.skill-block__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  opacity: 0;
  transform: translateX(-10px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.skill-block.visible .skill-block__item {
  opacity: 1;
  transform: translateX(0);
}

.skill-block__item::before {
  content: '→';
  color: var(--color-accent);
  font-weight: 600;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.skill-block__item:hover::before {
  transform: translateX(3px);
}

.tools-strip {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.tool-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0.5;
  transition:
    opacity var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.tool-logo:hover {
  opacity: 1;
  transform: translateY(-3px);
}

.tool-logo__icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-logo__icon svg {
  stroke: var(--color-primary);
}

.tool-logo__name {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

/* ========================================
   LEADERSHIP & ACHIEVEMENTS
   ======================================== */

.leadership {
  background: var(--color-bg-secondary);
}

.leadership__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.leadership-role {
  padding: 32px;
  background: var(--color-bg-primary);
  border-radius: 16px;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateX(-20px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft),
    box-shadow var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth);
}

.leadership-role.visible {
  opacity: 1;
  transform: translateX(0);
}

.leadership-role:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  border-color: var(--color-accent-muted);
}

.leadership-role:last-child {
  margin-bottom: 0;
}

.leadership-role__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.leadership-role__org {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: 16px;
}

.leadership-role__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.6;
}

.achievement-list {
  list-style: none;
}

.achievement-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateX(20px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.achievement-item.visible {
  opacity: 1;
  transform: translateX(0);
}

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

.achievement-item__icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    transform var(--duration-normal) var(--ease-smooth),
    background var(--duration-normal) var(--ease-smooth);
}

.achievement-item__icon svg {
  stroke: var(--color-accent);
}

.achievement-item:hover .achievement-item__icon {
  transform: scale(1.05);
  background: var(--color-accent);
}

.achievement-item:hover .achievement-item__icon svg {
  stroke: white;
}

.achievement-item__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.achievement-item__event {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   CERTIFICATIONS STRIP
   ======================================== */

.certifications {
  background: var(--color-bg-primary);
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.certifications__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.cert-item {
  text-align: center;
  opacity: 0;
  transform: translateY(15px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.cert-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.cert-item__icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.cert-item__icon svg {
  stroke: var(--color-accent);
}

.cert-item__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cert-item__issuer {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.cert-item__status {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 4px;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
  background: var(--color-bg-dark);
  color: white;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.contact__title {
  font-size: var(--font-size-4xl);
  color: white;
  margin-bottom: 16px;
}

.contact__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact__item {
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 0;
  transform: translateX(15px);
  transition:
    opacity var(--duration-normal) var(--ease-out-soft),
    transform var(--duration-normal) var(--ease-out-soft);
}

.contact__item.visible {
  opacity: 1;
  transform: translateX(0);
}

.contact__icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.contact__icon svg {
  stroke: rgba(255, 255, 255, 0.9);
}

.contact__item:hover .contact__icon {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.contact__label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.contact__value {
  font-size: var(--font-size-base);
  color: white;
}

.contact__value a {
  color: white;
  position: relative;
}

.contact__value a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-smooth);
}

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

.contact__value a:hover::after {
  width: 100%;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-bg-dark);
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration-normal) var(--ease-smooth);
}

.footer__link:hover {
  color: white;
}

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

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
    --font-size-6xl: 3.5rem;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__image {
    order: -1;
  }

  .hero__portrait {
    width: 300px;
    height: 300px;
  }

  .about__grid,
  .leadership__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile - Reduced animations */
@media (max-width: 768px) {
  :root {
    --section-padding: 64px;
    --font-size-6xl: 2.5rem;
    --font-size-3xl: 1.75rem;
    --duration-slow: 500ms;
    --duration-slower: 600ms;
  }

  .container {
    padding: 0 24px;
  }

  .nav__links {
    display: none;
  }

  .nav-mobile {
    display: flex;
  }

  .snapshot__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

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

  .certifications__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tools-strip {
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer__content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

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

  .hero__portrait {
    width: 220px;
    height: 220px;
  }

  .hero__actions {
    flex-direction: column;
  }

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

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */

.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition:
    opacity var(--duration-normal) var(--ease-smooth),
    visibility var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth),
    background var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(26, 54, 93, 0.3);
}

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

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 30px rgba(13, 148, 136, 0.4);
}

.back-to-top svg {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
  animation: bounceUp 0.6s ease-in-out infinite;
}

@keyframes bounceUp {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

/* ========================================
   PARTICLE CANVAS
   ======================================== */

.particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ========================================
   LOADING SCREEN
   ======================================== */

.loading-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s var(--ease-smooth), visibility 0.5s var(--ease-smooth);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.loading-spinner__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  animation: spinRing 1.5s ease-in-out infinite;
}

.loading-spinner__ring:nth-child(1) {
  border-top-color: var(--color-accent);
  animation-delay: 0s;
}

.loading-spinner__ring:nth-child(2) {
  border-right-color: var(--color-primary);
  animation-delay: 0.15s;
  inset: 8px;
}

.loading-spinner__ring:nth-child(3) {
  border-bottom-color: var(--color-accent);
  animation-delay: 0.3s;
  inset: 16px;
}

@keyframes spinRing {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  margin-top: 24px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.loading-dots::after {
  content: '';
  animation: loadingDots 1.5s steps(4, end) infinite;
}

@keyframes loadingDots {
  0% {
    content: '';
  }

  25% {
    content: '.';
  }

  50% {
    content: '..';
  }

  75% {
    content: '...';
  }

  100% {
    content: '';
  }
}

/* ========================================
   ANIMATED COUNTER NUMBERS
   ======================================== */

.counter-number {
  font-variant-numeric: tabular-nums;
  display: inline-block;
}

/* ========================================
   SHIMMER TEXT EFFECT
   ======================================== */

.shimmer-text {
  background: linear-gradient(90deg,
      var(--color-primary) 0%,
      var(--color-accent) 50%,
      var(--color-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% {
    background-position: 200% center;
  }

  100% {
    background-position: -200% center;
  }
}

/* ========================================
   GLOWING BORDER ANIMATION
   ======================================== */

.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(45deg, var(--color-accent), var(--color-primary), var(--color-accent));
  background-size: 300% 300%;
  animation: glowBorder 3s ease infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

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

@keyframes glowBorder {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

/* ========================================
   FLOATING ANIMATION
   ======================================== */

.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* ========================================
   PULSE RING ANIMATION
   ======================================== */

.pulse-ring {
  position: relative;
}

.pulse-ring::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  animation: pulseRing 2s ease-out infinite;
}

@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* ========================================
   SCROLL SPY DOTS (Side Navigation)
   ======================================== */

.scroll-spy {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 998;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.scroll-spy.visible {
  opacity: 1;
}

.scroll-spy__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
  position: relative;
}

.scroll-spy__dot::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0;
  transform: scale(0.5);
  transition:
    opacity var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.scroll-spy__dot:hover {
  background: var(--color-text-muted);
  transform: scale(1.2);
}

.scroll-spy__dot.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.4);
}

.scroll-spy__dot.active::before {
  opacity: 0.2;
  transform: scale(1);
  animation: dotPulse 2s ease-out infinite;
}

@keyframes dotPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.2;
  }

  50% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@media (max-width: 1024px) {
  .scroll-spy {
    display: none;
  }
}

/* ========================================
   MOUSE TRAIL CANVAS
   ======================================== */

.mouse-trail-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9997;
}

@media (max-width: 1024px) {
  .mouse-trail-canvas {
    display: none;
  }
}

/* ========================================
   BUTTON RIPPLE EFFECT
   ======================================== */

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

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: rippleEffect 0.6s ease-out;
  pointer-events: none;
}

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

/* ========================================
   ANIMATED UNDERLINE FOR TITLES
   ======================================== */

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  border-radius: 2px;
  transition: width 0.8s var(--ease-out-soft);
}

.section-header.visible .section-title::after {
  width: 60px;
}

/* ========================================
   TEXT REVEAL ANIMATION
   ======================================== */

.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  animation: textReveal 0.8s var(--ease-out-soft) forwards;
}

@keyframes textReveal {
  to {
    transform: translateY(0);
  }
}

/* ========================================
   GRADIENT TEXT ANIMATION
   ======================================== */

.gradient-text {
  background: linear-gradient(135deg,
      var(--color-primary) 0%,
      var(--color-accent) 25%,
      var(--color-primary) 50%,
      var(--color-accent) 75%,
      var(--color-primary) 100%);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientFlow 8s ease infinite;
}

@keyframes gradientFlow {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

/* ========================================
   HOVER SCALE ANIMATION
   ======================================== */

.hover-lift {
  transition:
    transform var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ========================================
   STAGGER ANIMATION DELAYS
   ======================================== */

.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

.stagger-6 {
  animation-delay: 0.6s;
}

/* ========================================
   ZOOM ON HOVER FOR IMAGES
   ======================================== */

.zoom-hover {
  overflow: hidden;
}

.zoom-hover img {
  transition: transform 0.5s var(--ease-smooth);
}

.zoom-hover:hover img {
  transform: scale(1.1);
}

/* ========================================
   ROTATE ON HOVER
   ======================================== */

.rotate-hover {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.rotate-hover:hover {
  transform: rotate(5deg);
}

/* ========================================
   BOUNCE ANIMATION
   ======================================== */

.bounce {
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-15px);
  }

  60% {
    transform: translateY(-7px);
  }
}

/* ========================================
   TYPING CURSOR
   ======================================== */

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

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* ========================================
   ICON WOBBLE ON HOVER
   ======================================== */

.icon-wobble:hover svg {
  animation: wobble 0.5s ease-in-out;
}

@keyframes wobble {

  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(-10deg);
  }

  50% {
    transform: rotate(10deg);
  }

  75% {
    transform: rotate(-5deg);
  }
}

/* ========================================
   MORPHING BACKGROUND SHAPES
   ======================================== */

.morph-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: morph 15s ease-in-out infinite;
}

@keyframes morph {

  0%,
  100% {
    border-radius: 50% 40% 60% 50%;
    transform: rotate(0deg) scale(1);
  }

  25% {
    border-radius: 40% 60% 50% 50%;
    transform: rotate(90deg) scale(1.1);
  }

  50% {
    border-radius: 60% 50% 40% 60%;
    transform: rotate(180deg) scale(0.95);
  }

  75% {
    border-radius: 50% 50% 60% 40%;
    transform: rotate(270deg) scale(1.05);
  }
}

/* ========================================
   CARD SHINE EFFECT
   ======================================== */

.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg,
      transparent 30%,
      rgba(255, 255, 255, 0.1) 50%,
      transparent 70%);
  transform: translateX(-100%) rotate(45deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.card-shine:hover::after {
  transform: translateX(100%) rotate(45deg);
}

/* ========================================
   PARALLAX LAYER
   ======================================== */

.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

.parallax-layer--slow {
  --parallax-speed: 0.3;
}

.parallax-layer--medium {
  --parallax-speed: 0.5;
}

.parallax-layer--fast {
  --parallax-speed: 0.8;
}

/* ========================================
   ELASTIC ANIMATION
   ======================================== */

.elastic {
  animation: elastic 0.8s ease-out;
}

@keyframes elastic {
  0% {
    transform: scale(0.5);
  }

  50% {
    transform: scale(1.15);
  }

  70% {
    transform: scale(0.95);
  }

  100% {
    transform: scale(1);
  }
}

/* ========================================
   SLIDE IN ANIMATIONS
   ======================================== */

.slide-in-left {
  animation: slideInLeft 0.6s var(--ease-out-soft) forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s var(--ease-out-soft) forwards;
}

.slide-in-up {
  animation: slideInUp 0.6s var(--ease-out-soft) forwards;
}

.slide-in-down {
  animation: slideInDown 0.6s var(--ease-out-soft) forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   CONFETTI CONTAINER
   ======================================== */

.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  animation: confettiFall 3s ease-out forwards;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }

  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* ========================================
   GLOW PULSE
   ======================================== */

.glow-pulse {
  animation: glowPulseEffect 2s ease-in-out infinite;
}

@keyframes glowPulseEffect {

  0%,
  100% {
    box-shadow: 0 0 5px var(--color-accent), 0 0 10px var(--color-accent);
  }

  50% {
    box-shadow: 0 0 20px var(--color-accent), 0 0 40px var(--color-accent);
  }
}

/* ========================================
   SHAKE ANIMATION
   ======================================== */

.shake:hover {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(-5px);
  }

  40% {
    transform: translateX(5px);
  }

  60% {
    transform: translateX(-3px);
  }

  80% {
    transform: translateX(3px);
  }
}

/* ========================================
   FLIP CARD
   ======================================== */

.flip-card {
  perspective: 1000px;
}

.flip-card__inner {
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card__inner {
  transform: rotateY(180deg);
}

.flip-card__front,
.flip-card__back {
  backface-visibility: hidden;
}

.flip-card__back {
  transform: rotateY(180deg);
}

/* ========================================
   TEXT SCRAMBLE (Visual preparation)
   ======================================== */

.text-scramble {
  font-family: monospace;
  letter-spacing: 0.05em;
}

/* ========================================
   NEON TEXT EFFECT
   ======================================== */

.neon-text {
  text-shadow:
    0 0 5px var(--color-accent),
    0 0 10px var(--color-accent),
    0 0 20px var(--color-accent),
    0 0 40px var(--color-accent);
  animation: neonFlicker 3s ease-in-out infinite;
}

@keyframes neonFlicker {

  0%,
  18%,
  22%,
  25%,
  53%,
  57%,
  100% {
    text-shadow:
      0 0 5px var(--color-accent),
      0 0 10px var(--color-accent),
      0 0 20px var(--color-accent);
  }

  20%,
  24%,
  55% {
    text-shadow: none;
  }
}

/* ========================================
   HEARTBEAT ANIMATION
   ======================================== */

.heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {

  0%,
  100% {
    transform: scale(1);
  }

  14% {
    transform: scale(1.1);
  }

  28% {
    transform: scale(1);
  }

  42% {
    transform: scale(1.1);
  }

  56% {
    transform: scale(1);
  }
}

/* ========================================
   SWING ANIMATION
   ======================================== */

.swing:hover {
  animation: swing 1s ease-in-out;
  transform-origin: top center;
}

@keyframes swing {
  20% {
    transform: rotate(15deg);
  }

  40% {
    transform: rotate(-10deg);
  }

  60% {
    transform: rotate(5deg);
  }

  80% {
    transform: rotate(-5deg);
  }

  100% {
    transform: rotate(0deg);
  }
}

/* ========================================
   FADE SCALE
   ======================================== */

.fade-scale {
  animation: fadeScale 0.5s var(--ease-out-soft);
}

@keyframes fadeScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   SNAPSHOT ICON SPIN ON HOVER
   ======================================== */

.snapshot__item:hover .snapshot__icon svg {
  animation: iconSpin 0.6s var(--ease-out-soft);
}

@keyframes iconSpin {
  0% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(180deg) scale(1.1);
  }

  100% {
    transform: rotate(360deg) scale(1);
  }
}

/* ========================================
   PROJECT CARD ICON PULSE
   ======================================== */

.project-card:hover .project-card__icon {
  animation: iconPulse 0.4s ease;
}

@keyframes iconPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.15);
  }
}

/* ========================================
   TOOL LOGO BOUNCE ON HOVER
   ======================================== */

.tool-logo:hover svg {
  animation: toolBounce 0.5s ease;
}

@keyframes toolBounce {

  0%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-8px);
  }

  60% {
    transform: translateY(-4px);
  }
}