/* =========================================================
   Jayant — Personal Branding Site
   Theme: Creative & Bold (dark base, vivid gradients)
   ========================================================= */

:root {
  --bg: #0a0a14;
  --bg-elev: #12121f;
  --bg-card: #17172a;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f8;
  --text-dim: #a8a8b8;
  --text-mute: #6a6a7a;

  --accent-1: #ff2e93;   /* magenta */
  --accent-2: #8b5cf6;   /* violet */
  --accent-3: #22d3ee;   /* cyan */
  --accent-4: #fbbf24;   /* amber (sparingly) */

  --grad-primary: linear-gradient(120deg, var(--accent-1) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
  --grad-soft: linear-gradient(120deg, rgba(255,46,147,.15), rgba(139,92,246,.15), rgba(34,211,238,.15));

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px -10px rgba(139, 92, 246, 0.45);

  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Utility: container */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Background flair ========== */
.bg-blob {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}
.bg-blob.b1 { top: -200px; left: -200px; background: var(--accent-1); }
.bg-blob.b2 { bottom: -200px; right: -200px; background: var(--accent-3); animation: blobFloat 14s ease-in-out infinite; }

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-60px, -40px) scale(1.1); }
}

main, header, footer { position: relative; z-index: 1; }

/* ========== Navigation ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(10, 10, 20, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__logo-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--grad-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #0a0a14;
  font-size: 0.95rem;
}
.nav__links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav__link {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav__link:hover, .nav__link.is-active { color: var(--text); }
.nav__link.is-active {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

@media (max-width: 780px) {
  .nav__links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--bg-elev); padding: 16px 24px; gap: 16px; border-bottom: 1px solid var(--border); }
  .nav__links.is-open { display: flex; }
  .nav__toggle { display: inline-block; }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 0;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  font-family: inherit;
}
.btn--primary {
  background: var(--grad-primary);
  color: #0a0a14;
  box-shadow: 0 10px 30px -10px rgba(255, 46, 147, 0.6);
}
.btn--primary:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--accent-3); color: var(--accent-3); }

.btn-arrow { transition: transform 0.25s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ========== Hero ========== */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 24px;
  font-weight: 500;
}
.hero__eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 10px var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 24px;
}
.hero__title .grad {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.hero__sub {
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 0 36px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* ========== Section scaffolding ========== */
.section {
  padding: 90px 0;
  position: relative;
}
.section--tight { padding: 60px 0; }
.section__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 18px;
}
.section__lead {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 0 48px;
}

/* ========== Cards ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(139, 92, 246, 0.4); box-shadow: var(--shadow-glow); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

/* ========== Services grid ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.service__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  color: #0a0a14;
  font-size: 1.4rem;
  margin-bottom: 18px;
  font-weight: 700;
}
.service__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.service__desc { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* ========== Metrics strip ========== */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  padding: 36px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.metric__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.metric__label { color: var(--text-dim); font-size: 0.9rem; }

/* ========== About split ========== */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 860px) { .about-split { grid-template-columns: 1fr; gap: 40px; } }

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.tag {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-dim);
  background: var(--bg-elev);
  transition: all 0.2s;
}
.tag:hover { border-color: var(--accent-3); color: var(--accent-3); }

.about__portrait {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}
.about__portrait::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-lg) - 3px);
  background: var(--bg-card);
  display: flex;
}
.about__portrait__inner {
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-lg) - 3px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  z-index: 1;
  background: var(--bg-card);
  color: var(--text);
}
.about__portrait__inner span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========== Project grid ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.project-card__title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 14px;
}
.project-card__outcome {
  color: var(--text-dim);
  flex: 1;
  margin: 0 0 18px;
}
.project-card__metric {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
}
.project-card__link {
  color: var(--accent-3);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.project-card__link .btn-arrow { transition: transform 0.25s; }
.project-card:hover .btn-arrow { transform: translateX(4px); }

/* ========== Filters ========== */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.filter:hover { color: var(--text); border-color: var(--accent-2); }
.filter.is-active {
  background: var(--grad-primary);
  color: #0a0a14;
  border-color: transparent;
}

/* ========== Case study pages ========== */
.case-hero {
  padding: 80px 0 60px;
}
.case-hero__tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 14px;
}
.case-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 20px;
  max-width: 900px;
}
.case-hero__sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 720px;
  margin: 0 0 36px;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.case-meta__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.case-meta__value { font-weight: 600; color: var(--text); font-size: 0.98rem; }

.case-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  padding: 60px 0;
}
@media (max-width: 900px) { .case-body { grid-template-columns: 1fr; gap: 20px; } .case-toc { position: static !important; } }

.case-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.case-toc__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
}
.case-toc__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.case-toc__list a {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding: 4px 0;
  transition: color 0.2s;
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.case-toc__list a:hover, .case-toc__list a.is-active { color: var(--accent-3); border-left-color: var(--accent-3); }

.case-content h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 48px 0 16px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.case-content h2:first-child { margin-top: 0; }
.case-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 28px 0 12px;
}
.case-content p { color: #d6d6e0; font-size: 1.02rem; line-height: 1.75; }
.case-content ul, .case-content ol { color: #d6d6e0; line-height: 1.8; padding-left: 22px; }
.case-content li { margin-bottom: 8px; }
.case-content blockquote {
  margin: 28px 0;
  padding: 20px 26px;
  border-left: 4px solid var(--accent-1);
  background: var(--bg-elev);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.08rem;
  color: var(--text);
  font-style: italic;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin: 28px 0;
}
.result-card {
  padding: 22px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.result-card__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.result-card__label { color: var(--text-dim); font-size: 0.88rem; }

/* ========== Visualization blocks ========== */
.viz {
  margin: 36px 0;
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.viz__title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 20px;
}

/* Bar chart (CSS-only) */
.barchart { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: grid; grid-template-columns: 140px 1fr 90px; gap: 16px; align-items: center; }
.bar-row__label { font-size: 0.92rem; color: var(--text-dim); }
.bar-row__bar-wrap { height: 12px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.bar-row__bar { height: 100%; border-radius: 999px; background: var(--grad-primary); animation: barGrow 1.2s cubic-bezier(.2,.8,.2,1) both; transform-origin: left center; }
@keyframes barGrow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.bar-row__val { font-family: var(--font-display); font-weight: 600; text-align: right; }

/* Funnel */
.funnel { display: flex; flex-direction: column; gap: 6px; align-items: stretch; }
.funnel__row {
  padding: 14px 20px;
  border-radius: var(--radius);
  background: var(--grad-primary);
  color: #0a0a14;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  align-self: center;
}

/* Process map */
.process {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.process__step {
  flex: 1 1 140px;
  min-width: 140px;
  padding: 18px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
}
.process__step .num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-3);
  margin-bottom: 6px;
}
.process__arrow {
  color: var(--accent-2);
  font-size: 1.6rem;
  flex: 0 0 auto;
}
@media (max-width: 700px) { .process__arrow { transform: rotate(90deg); } }

/* ========== Featured / CTA block ========== */
.cta-block {
  padding: 60px;
  border-radius: var(--radius-lg);
  background: var(--grad-primary);
  color: #0a0a14;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.3), transparent 50%);
}
.cta-block > * { position: relative; }
.cta-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin: 0 0 14px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.cta-block p { margin: 0 0 28px; font-size: 1.08rem; opacity: 0.85; }
.cta-block .btn {
  background: #0a0a14;
  color: var(--text);
}
.cta-block .btn:hover { background: #1a1a2a; }
@media (max-width: 700px) { .cta-block { padding: 40px 24px; } }

/* ========== Contact ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, background 0.2s;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  background: var(--bg-elev);
}
.form-field textarea { resize: vertical; min-height: 140px; }

.contact-card {
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.contact-method:last-child { border-bottom: 0; }
.contact-method__icon {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  color: #0a0a14;
  font-weight: 700;
}
.contact-method__label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.14em; }
.contact-method__value { color: var(--text); font-weight: 500; }
.contact-method__value:hover { color: var(--accent-3); }

.form-status {
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent-3);
  border: 1px solid rgba(34, 211, 238, 0.3);
  display: none;
}
.form-status.is-visible { display: block; }

/* ========== Footer ========== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__left { color: var(--text-dim); font-size: 0.92rem; }
.footer__social { display: flex; gap: 14px; }
.footer__social a {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: all 0.2s;
}
.footer__social a:hover { border-color: var(--accent-3); color: var(--accent-3); }

/* ========== Scroll reveal ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ========== Accessibility helpers ========== */
:focus-visible { outline: 2px solid var(--accent-3); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }