/* =========================================================
   0. CSS VARIABLES / DESIGN TOKENS
========================================================= */
:root {
  /* Colors (from brief) */
  --bg: #0B0F19;
  --card: #111827;
  --primary: #2563EB;
  --secondary: #3B82F6;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --white: #FFFFFF;
  --text-light: #CBD5E1;
  --border: rgba(255, 255, 255, 0.08);

  /* Derived tones */
  --bg-elevated: #151b2c;
  --text-muted: #8b96ab;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-radial: radial-gradient(circle at top, rgba(37, 99, 235, 0.25), transparent 60%);

  /* Typography */
  --font-display: 'Poppins', 'Inter', sans-serif;
  --font-body: 'Inter', 'Poppins', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);

  /* Shadows */
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.35);
}

/* Light mode override (toggled via JS) */
body.light-mode {
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --text-light: #334155;
  --border: rgba(15, 23, 42, 0.08);
  --bg-elevated: #ECF0F8;
  --text-muted: #64748b;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--bg);
  color: var(--text-light);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.2;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

::selection {
  background: var(--primary);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 10px;
}

/* Accessibility: visible focus states */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--white);
  padding: 12px 20px;
  z-index: 9999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   2. UTILITIES
========================================================= */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 14px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
}

.glass {
  background: rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
}

.glow-card {
  position: relative;
  isolation: isolate;
}
.glow-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}
.glow-card:hover::before {
  opacity: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-display);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}
.btn--primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.35);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.5);
}
.btn--outline {
  border: 1px solid var(--border);
  color: var(--white);
}
.btn--outline:hover {
  background: var(--bg-elevated);
  transform: translateY(-3px);
}
.btn--ghost {
  color: var(--text-light);
}
.btn--ghost:hover {
  color: var(--white);
  transform: translateY(-3px);
}

/* Magnetic button wrapper (JS adds transform) */
.magnetic {
  will-change: transform;
}

/* =========================================================
   3. PAGE LOADER
========================================================= */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader__mark {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  display: flex;
  gap: 4px;
}
.loader__mark span {
  display: inline-block;
  animation: loaderBounce 1.1s ease-in-out infinite;
}
.loader__mark span:nth-child(2) {
  animation-delay: 0.15s;
  color: var(--secondary);
}
@keyframes loaderBounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(-10px); opacity: 1; }
}
.loader__bar {
  width: 160px;
  height: 3px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.loader__bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

/* =========================================================
   4. CUSTOM CURSOR
========================================================= */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--secondary);
}
.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(59, 130, 246, 0.5);
  transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease;
}
.cursor-ring.is-active {
  width: 54px;
  height: 54px;
  border-color: var(--secondary);
}
@media (hover: none), (max-width: 900px) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* =========================================================
   5. NAVBAR
========================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
}
.navbar__logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 0.85rem;
}
.navbar__logo-text {
  color: var(--white);
  font-size: 1.1rem;
}
.navbar__logo-text span {
  color: var(--secondary);
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active-link {
  color: var(--white);
}
.nav-link:hover::after,
.nav-link.active-link::after {
  width: 100%;
}
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-light);
  transition: background var(--transition), transform var(--transition);
}
.theme-toggle:hover {
  background: var(--bg-elevated);
  transform: rotate(20deg);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}
.theme-toggle .icon-moon { display: none; }
body.light-mode .theme-toggle .icon-sun { display: none; }
body.light-mode .theme-toggle .icon-moon { display: block; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.hamburger span {
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   6. HERO SECTION
========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 75%);
  z-index: 0;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  z-index: 0;
  animation: blobFloat 12s ease-in-out infinite;
}
.hero__blob--one {
  width: 420px;
  height: 420px;
  background: var(--primary);
  top: -100px;
  left: -100px;
}
.hero__blob--two {
  width: 360px;
  height: 360px;
  background: var(--success);
  bottom: -120px;
  right: -80px;
  animation-delay: -6s;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero__name {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff, var(--secondary) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.hero__headline {
  font-size: clamp(1.2rem, 2.6vw, 1.8rem);
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 22px;
  min-height: 1.6em;
}
.typing-cursor {
  color: var(--secondary);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero__subtitle {
  max-width: 520px;
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero__socials {
  display: flex;
  gap: 14px;
}
.hero__socials a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.hero__socials svg {
  width: 18px;
  height: 18px;
  fill: var(--text-light);
  transition: fill var(--transition);
}
.hero__socials a:hover {
  transform: translateY(-4px);
  background: var(--gradient-primary);
  border-color: transparent;
}
.hero__socials a:hover svg {
  fill: var(--white);
}

.hero__visual {
  display: flex;
  justify-content: center;
}
.hero__frame {
  position: relative;
  width: min(360px, 100%);
  aspect-ratio: 1 / 1.05;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
}
.hero__photo {
  width: 78%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  box-shadow: var(--shadow-glow);
  animation: floatY 5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.hero__badge {
  position: absolute;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 120px;
}
.hero__badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
}
.hero__badge small {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.hero__badge--one {
  top: 10px;
  left: -10px;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  animation: floatY 6s ease-in-out infinite;
}
.hero__badge--two {
  bottom: 10px;
  right: -10px;
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  animation: floatY 7s ease-in-out infinite reverse;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border-radius: 20px;
  border: 2px solid var(--border);
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 1;
}
.scroll-cue span {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--secondary);
  animation: scrollCue 1.6s ease-in-out infinite;
}
@keyframes scrollCue {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* =========================================================
   7. ABOUT SECTION
========================================================= */
.about {
  padding: 120px 0;
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.about__text p {
  margin-bottom: 18px;
  color: var(--text-light);
}

.about__highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.highlight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition);
}
.highlight-card:hover {
  transform: translateY(-6px);
  border-color: var(--secondary);
}
.highlight-card__icon {
  font-size: 1.6rem;
  display: inline-block;
  margin-bottom: 12px;
}
.highlight-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}
.highlight-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
}
.stat-card strong {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
}
.stat-card > span {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary);
}
.stat-card p {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* =========================================================
   8. SKILLS SECTION
========================================================= */
.skills {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.skills__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
}
.skills__tab {
  padding: 10px 22px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.skills__tab.active,
.skills__tab:hover {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: transform var(--transition), border-color var(--transition);
  display: none;
}
.skill-card.is-visible {
  display: block;
}
.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--secondary);
}
.skill-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.skill-card__icon {
  font-size: 1.2rem;
}
.skill-card__name {
  flex: 1;
  font-weight: 600;
  color: var(--white);
  font-size: 0.95rem;
}
.skill-card__percent {
  font-size: 0.82rem;
  color: var(--secondary);
  font-weight: 600;
}
.skill-bar {
  height: 8px;
  border-radius: 10px;
  background: var(--border);
  overflow: hidden;
}
.skill-bar__fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 10px;
  background: var(--gradient-primary);
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   9. FEATURED WORK / PROJECTS
========================================================= */
.projects {
  padding: 120px 0;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.project-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}
.project-card--reverse {
  grid-template-columns: 1fr 1.1fr;
}
.project-card--reverse .project-card__media {
  order: 2;
}
.project-card--reverse .project-card__body {
  order: 1;
}

.browser-mock {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.browser-mock__bar {
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  background: var(--bg-elevated);
}
.browser-mock__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.browser-mock__bar span:nth-child(1) { background: var(--danger); }
.browser-mock__bar span:nth-child(2) { background: var(--warning); }
.browser-mock__bar span:nth-child(3) { background: var(--success); }

.browser-mock__screen {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.85);
  background: var(--gradient-radial), var(--bg-elevated);
  position: relative;
  overflow: hidden;
}
.browser-mock__screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
}
.browser-mock__screen span {
  position: relative;
  z-index: 1;
  padding: 10px 22px;
  border-radius: 100px;
  background: rgba(17, 24, 39, 0.55);
  border: 1px solid var(--border);
}
.project-card__screenshot--joyo { background: var(--gradient-radial), linear-gradient(135deg, #1d2440, #0B0F19); }
.project-card__screenshot--deep { background: var(--gradient-radial), linear-gradient(135deg, #142033, #0B0F19); }
.project-card__screenshot--kbds { background: var(--gradient-radial), linear-gradient(135deg, #1a2436, #0B0F19); }
.project-card__screenshot--pronita { background: var(--gradient-radial), linear-gradient(135deg, #201a3a, #0B0F19); }
.project-card__screenshot--srb { background: var(--gradient-radial), linear-gradient(135deg, #16283a, #0B0F19); }

.project-card__category {
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.project-card__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.project-card__desc {
  color: var(--text-light);
  margin-bottom: 16px;
}

.project-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.badge--responsive { color: var(--secondary); }
.badge--seo { color: var(--success); }
.badge--performance { color: var(--warning); }

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.project-card__tags li {
  font-size: 0.76rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 6px 12px;
  border-radius: 8px;
}

/* =========================================================
   10. PRODUCTS BUILT BY ME
========================================================= */
.products {
  padding: 120px 0;
  background: var(--bg-elevated);
}

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

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
}
.product-card__top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 6px;
}
.product-card__status {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--success);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid rgba(16, 185, 129, 0.4);
  position: relative;
}
.product-card__status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 6px;
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.product-card__title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.product-card__desc {
  color: var(--text-light);
  margin-bottom: 16px;
}
.product-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.product-card__features li {
  font-size: 0.76rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* =========================================================
   11. SERVICES
========================================================= */
.services {
  padding: 120px 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition);
  isolation: isolate;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--angle, 0deg), var(--primary), var(--success), var(--secondary), var(--primary));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: -1;
  animation: rotateBorder 4s linear infinite paused;
}
.service-card:hover {
  transform: translateY(-6px);
}
.service-card:hover::before {
  opacity: 1;
  animation-play-state: running;
}
@keyframes rotateBorder {
  to { --angle: 360deg; }
}
@property --angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.service-card__icon {
  font-size: 1.8rem;
  display: inline-block;
  margin-bottom: 14px;
}
.service-card h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}
.service-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* =========================================================
   12. EXPERIENCE TIMELINE
========================================================= */
.experience {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.timeline {
  position: relative;
  padding-left: 40px;
  border-left: 2px solid var(--border);
}
.timeline__item {
  position: relative;
  margin-bottom: 8px;
}
.timeline__dot {
  position: absolute;
  left: -49px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.15);
}
.timeline__content {
  border-radius: var(--radius-md);
  padding: 30px;
}
.timeline__content h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.timeline__company {
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 18px;
}
.timeline__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.timeline__list li {
  font-size: 0.8rem;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 8px;
}

/* =========================================================
   13. STATISTICS
========================================================= */
.stats {
  padding: 90px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.stats__card {
  text-align: center;
  padding: 26px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
}
.stats__card strong {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}
.stats__card > span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
}
.stats__card p {
  margin-top: 6px;
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* =========================================================
   14. WHY HIRE ME
========================================================= */
.why-hire {
  padding: 120px 0;
  background: var(--bg-elevated);
}
.why-hire__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.why-hire__card {
  text-align: center;
  padding: 30px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card);
  transition: transform var(--transition), border-color var(--transition);
}
.why-hire__card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--secondary);
}
.why-hire__card span {
  font-size: 1.6rem;
  display: inline-block;
  margin-bottom: 12px;
}
.why-hire__card h3 {
  font-size: 0.92rem;
  font-weight: 600;
}

/* =========================================================
   15. WORK PROCESS
========================================================= */
.process {
  padding: 120px 0;
}
.process__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}
.process__line {
  position: absolute;
  top: 34px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--success));
  z-index: 0;
}
.process__step {
  position: relative;
  z-index: 1;
  text-align: center;
}
.process__icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  background: var(--card);
  border: 2px solid var(--border);
  transition: border-color var(--transition), transform var(--transition);
}
.process__step:hover .process__icon {
  border-color: var(--secondary);
  transform: translateY(-4px);
}
.process__step h3 {
  font-size: 0.85rem;
}

/* =========================================================
   16. TESTIMONIALS
========================================================= */
.testimonials {
  padding: 120px 0;
  background: var(--bg-elevated);
}
.testimonial-slider {
  position: relative;
  overflow: hidden;
}
.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.testimonial-card {
  flex: 0 0 100%;
  border-radius: var(--radius-lg);
  padding: 44px;
  max-width: 640px;
  margin-inline: auto;
}
.testimonial-card__stars {
  color: var(--warning);
  letter-spacing: 4px;
  margin-bottom: 18px;
}
.testimonial-card__text {
  font-size: 1.1rem;
  color: var(--white);
  font-style: italic;
  margin-bottom: 26px;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-card__avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 700;
  font-family: var(--font-display);
}
.testimonial-card__author strong {
  display: block;
  color: var(--white);
}
.testimonial-card__author span {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 30px;
}
.testimonial-nav__btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  transition: background var(--transition), transform var(--transition);
}
.testimonial-nav__btn:hover {
  background: var(--gradient-primary);
  transform: scale(1.05);
}
.testimonial-dots {
  display: flex;
  gap: 8px;
}
.testimonial-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.testimonial-dots span.active {
  background: var(--gradient-primary);
  transform: scale(1.3);
}

/* =========================================================
   17. ACHIEVEMENTS
========================================================= */
.achievements {
  padding: 120px 0;
}
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.achievement-card {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border);
}
.achievement-card__icon {
  font-size: 1.8rem;
  display: inline-block;
  margin-bottom: 12px;
}
.achievement-card h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}
.achievement-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* =========================================================
   18. PLACEHOLDER SECTIONS (for Part 3+)
========================================================= */
.placeholder-section {
  padding: 100px 0;
  text-align: center;
  border-top: 1px dashed var(--border);
}
.placeholder-section .section-head {
  margin: 0 auto;
}
.placeholder-note {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 12px;
}

/* =========================================================
   10. BACK TO TOP
========================================================= */
.back-to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 900;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* =========================================================
   11. SCROLL REVEAL ANIMATIONS
========================================================= */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal="fade-up"] { transform: translateY(36px); }
[data-reveal="fade-down"] { transform: translateY(-36px); }
[data-reveal="slide-left"] { transform: translateX(48px); }
[data-reveal="slide-right"] { transform: translateX(-48px); }
[data-reveal="scale"] { transform: scale(0.9); }

[data-reveal].is-revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* stagger children within a grid */
.about__highlights [data-reveal].is-revealed:nth-child(2) { transition-delay: 0.08s; }
.about__highlights [data-reveal].is-revealed:nth-child(3) { transition-delay: 0.16s; }
.about__highlights [data-reveal].is-revealed:nth-child(4) { transition-delay: 0.24s; }

/* =========================================================
   12. RESPONSIVE
========================================================= */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__socials,
  .hero__actions {
    justify-content: center;
  }
  .hero__subtitle {
    margin-inline: auto;
  }
  .about__grid {
    grid-template-columns: 1fr;
  }
  .about__stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-card,
  .project-card--reverse {
    grid-template-columns: 1fr;
  }
  .project-card__media,
  .project-card--reverse .project-card__media {
    order: 1;
  }
  .project-card__body,
  .project-card--reverse .project-card__body {
    order: 2;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .why-hire__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process__track {
    grid-template-columns: repeat(4, 1fr);
    row-gap: 36px;
  }
  .process__line {
    display: none;
  }
  .achievement-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: min(320px, 80%);
    background: var(--card);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }
  .navbar__links.is-open {
    right: 0;
  }
  .hamburger {
    display: flex;
  }
  .about__highlights {
    grid-template-columns: 1fr;
  }
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .skills__grid {
    grid-template-columns: 1fr;
  }
  .navbar__actions .btn--sm {
    display: none;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-hire__grid {
    grid-template-columns: 1fr;
  }
  .process__track {
    grid-template-columns: repeat(2, 1fr);
  }
  .achievement-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-card {
    padding: 28px;
  }
}