/* ============================================================
   Resolvate Portfolio — Main Stylesheet
   Modern Dark Theme · AI / Tech Focus
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  /* Core palette — Light & Minimal */
  --bg-primary: #f8f9fc;
  --bg-secondary: #f0f1f5;
  --bg-card: #ffffff;
  --bg-elevated: #e8e9f0;
  --bg-glass: rgba(255, 255, 255, 0.7);

  /* Accent */
  --accent-primary: #6366f1;
  --accent-secondary: #818cf8;
  --accent-tertiary: #a78bfa;
  --accent-glow: rgba(99, 102, 241, 0.12);
  --accent-subtle: rgba(99, 102, 241, 0.05);

  /* Text */
  --text-primary: #1a1a2e;
  --text-secondary: #555570;
  --text-muted: #8e8ea0;
  --text-inverse: #ffffff;

  /* Borders */
  --border-color: rgba(99, 102, 241, 0.08);
  --border-hover: rgba(99, 102, 241, 0.22);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1, #818cf8, #a78bfa);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(167, 139, 250, 0.2));
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(240, 241, 245, 0.4));
  --gradient-cta: linear-gradient(135deg, #eef2ff, #f0f1f5);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Misc */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.07);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.08);

  --transition-fast: 200ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;

  --max-width: 1100px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

/* Show default cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none !important; }
}

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

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

ul {
  list-style: none;
}

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

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* ---- Custom Cursor ---- */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.15s, height 0.15s, background 0.15s;
}

.cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s, background 0.3s;
}

.cursor-ring.hover {
  width: 56px;
  height: 56px;
  border-color: var(--accent-tertiary);
  background: rgba(99, 102, 241, 0.08);
}

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

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader__content {
  text-align: center;
}

.loader__logo {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader__bar {
  width: 160px;
  height: 3px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loader__bar-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: loaderFill 1.8s ease-in-out forwards;
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes loaderFill {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* ---- Header / Navigation ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--border-hover);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.header__logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
}

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

/* Nav */
.header__nav {
  display: none;
}

.header__nav.open {
  display: flex;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(248, 249, 252, 0.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.header__nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.header__nav-link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition);
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--text-primary);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 60%;
}

.header__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__cta {
  display: none;
}

/* Hamburger */
.header__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.header__toggle[aria-expanded="true"] .header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__toggle[aria-expanded="true"] .header__toggle-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}
.header__toggle[aria-expanded="true"] .header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.btn--primary:hover {
  box-shadow: 0 8px 32px var(--accent-glow);
  transform: translateY(-2px);
}

.btn--glow {
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--glow:hover {
  box-shadow: 0 8px 40px var(--accent-glow);
}

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

.btn--outline:hover {
  background: var(--accent-subtle);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--glass {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn--glass:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-2px);
}

.btn--small {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

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

/* ---- AOS animation base ---- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}
[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}
[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.92);
}
[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  min-height: 2em;
  font-family: var(--font-mono);
}

.typing-cursor {
  display: inline-block;
  animation: blink 0.7s step-end infinite;
  color: var(--accent-primary);
}

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

.hero__desc {
  max-width: 600px;
  margin: 0 auto var(--space-md);
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Hero Stats */
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

.hero__stat {
  text-align: center;
}

.hero__stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.5); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---- Trust Bar ---- */
.trust-bar {
  padding: var(--space-lg) 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.trust-bar__label {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.trust-bar__track {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.trust-bar__logos {
  display: flex;
  gap: var(--space-xl);
  animation: scrollLogos 20s linear infinite;
  width: max-content;
}

.trust-bar__logos span {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0.5rem 1rem;
  background: var(--accent-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.trust-bar__logos span:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.15);
}

@keyframes scrollLogos {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- Sections ---- */
.section {
  padding: var(--space-2xl) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__overline {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  position: relative;
}

.section__overline::before,
.section__overline::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent-primary);
  vertical-align: middle;
  margin: 0 12px;
}

.section__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
}

.section__desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Services ---- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
  color: var(--accent-primary);
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 0 30px var(--accent-glow);
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card__features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.service-card__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* ---- About ---- */
.about {
  background: var(--bg-secondary);
  position: relative;
}

.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about__text p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

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

.about__info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.about__info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.about__info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.about__info-value {
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
}

.about__cta {
  margin-top: var(--space-sm);
}

/* About visual side */
.about__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  position: relative;
}

.about__avatar {
  position: relative;
  width: 280px;
  height: 280px;
}

.about__avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent-primary);
  position: relative;
  z-index: 2;
}

.about__avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__avatar-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  animation: spin 20s linear infinite;
  z-index: 1;
}

.about__avatar-ring::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  transform: translateX(-50%);
}

.about__avatar-ring--2 {
  inset: -24px;
  border-color: rgba(99, 102, 241, 0.15);
  animation-direction: reverse;
  animation-duration: 30s;
}

.about__avatar-ring--2::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-tertiary);
  top: auto;
  bottom: -4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.about__badges {
  display: flex;
  gap: var(--space-sm);
}

.about__badge {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-sm);
}

.about__badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.about__badge-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
}

.about__badge-num {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.about__badge-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Skills ---- */
.skills {
  position: relative;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-sm);
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  transition: all var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.2);
}

.skill-card:hover .skill-card__icon {
  transform: scale(1.15);
}

.skill-card__icon {
  width: 2rem;
  height: 2rem;
  margin: 0 auto var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: transform var(--transition);
  color: var(--accent-primary);
}

.skill-card__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
}

.skill-card__name {
  font-size: 0.85rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

/* ---- Experience (Timeline) ---- */
.experience {
  background: var(--bg-secondary);
}

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

.experience__timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-tertiary), transparent);
}

.timeline-item {
  padding-left: 56px;
  padding-bottom: var(--space-lg);
  position: relative;
}

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

.timeline-item__dot {
  position: absolute;
  left: 12px;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  border-radius: 50%;
  z-index: 2;
  transition: all var(--transition);
}

.timeline-item:hover .timeline-item__dot {
  background: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item__date {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.timeline-item__role {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.timeline-item__company {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.timeline-item__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- Work / Projects ---- */
.work__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.project-card__body {
  padding: var(--space-md);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-xs);
}

.project-card__tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  color: var(--accent-primary);
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.project-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Testimonials ---- */
.testimonials {
  background: var(--bg-secondary);
  overflow: hidden;
}

.testimonials__slider {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition);
}

.testimonial-card__quote {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  font-family: serif;
  line-height: 1;
}

.testimonial-card__text {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-card__name {
  font-weight: 600;
  text-align: left;
}

.testimonial-card__role {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-md);
}

.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.testimonials__dot.active {
  background: var(--accent-primary);
  width: 28px;
  border-radius: var(--radius-full);
}

/* ---- CTA Section ---- */
.cta-section {
  padding: var(--space-lg) 0;
}

.cta-section__box {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-section__box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--accent-glow), transparent 70%);
  opacity: 0.4;
}

.cta-section__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.cta-section__desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-section__box .btn {
  position: relative;
  z-index: 1;
}

/* ---- Contact ---- */
.contact__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact__form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.contact__form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact__form-group label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact__form-group input,
.contact__form-group textarea {
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition);
  background: var(--bg-card);
  color: var(--text-primary);
}

.contact__form-group input::placeholder,
.contact__form-group textarea::placeholder {
  color: var(--text-muted);
}

.contact__form-group input:focus,
.contact__form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
  background: var(--bg-secondary);
}

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

.contact__form-error {
  font-size: 0.8rem;
  color: #ef4444;
  min-height: 1.25em;
}

.contact__form-btn {
  align-self: flex-start;
}

/* Contact info card */
.contact__info-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.contact__info-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.contact__info-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.contact__info-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact__info-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: all var(--transition);
}

.contact__info-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateX(4px);
}

.contact__info-link svg {
  flex-shrink: 0;
}

/* ---- Footer ---- */
.footer {
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
  margin-bottom: var(--space-md);
}

.footer__brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer__nav {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer__socials {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer__social-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.footer__bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ---- Responsive ---- */
@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__form-row {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }

  .header__nav {
    display: flex !important;
    position: static !important;
    width: auto !important;
    height: auto !important;
    background: none !important;
    flex-direction: row !important;
  }

  .header__nav-list {
    flex-direction: row;
    gap: 0;
  }

  .header__nav-link {
    font-size: 0.88rem;
    padding: 0.5rem 0.9rem;
  }

  .header__cta {
    display: inline-flex;
  }

  .hero__actions {
    flex-direction: row;
  }

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

  .about__visual {
    order: 1;
  }

  .contact__content {
    grid-template-columns: 1.2fr 1fr;
  }

  .experience__timeline::before {
    left: 50%;
    margin-left: -1px;
  }

  .timeline-item {
    padding-left: 0;
    width: 50%;
  }

  .timeline-item:nth-child(odd) {
    padding-right: 40px;
    text-align: right;
  }

  .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: 40px;
    text-align: left;
  }

  .timeline-item__dot {
    left: auto;
    right: -8px;
  }

  .timeline-item:nth-child(even) .timeline-item__dot {
    left: -8px;
    right: auto;
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .skills__grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

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

  html {
    scroll-behavior: auto;
  }

  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   Section Background Images — Subtle Abstract Textures
   ============================================================ */

/* Sections that need position: relative for ::before bg images */
.trust-bar,
.services,
.experience,
.work,
.testimonials,
.contact {
  position: relative;
}

/* Hero — subtle CSS glow behind canvas */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 80% 60%, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* Trust Bar — pastel waves */
.trust-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557682250-33bd709cbe85?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

/* Services — tech abstract */
.services::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

/* About — abstract shapes */
.about::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

/* Skills — gradient mesh */
.skills::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557682224-5b8590cd9ec5?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

/* Experience — pastel waves */
.experience::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557682250-33bd709cbe85?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

/* Work — tech abstract */
.work::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

/* Testimonials — abstract shapes */
.testimonials::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

/* Contact — gradient mesh */
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('https://images.unsplash.com/photo-1557682224-5b8590cd9ec5?w=1600&q=75&fit=crop') center/cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

/* CTA Section — subtle gradient glow */
.cta-section {
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 800px 400px at 50% 60%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  pointer-events: none;
}