/* ============================================================
   Aratrika Biswas — Portfolio
   Dark glassmorphism + gradient accent theme
   ============================================================ */

:root {
  --bg: #07070e;
  --bg-soft: #0f0f1a;
  --text: #f4f2f8;
  --muted: #9b96ad;
  --pink: #ff2d78;
  --purple: #a855f7;
  --orange: #ff8a3c;
  --cyan: #06d6a0;
  --grad: linear-gradient(135deg, var(--pink), var(--purple) 50%, var(--orange));
  --grad-subtle: linear-gradient(135deg, rgba(255,45,120,0.15), rgba(168,85,247,0.15) 50%, rgba(255,138,60,0.1));
  --glass: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --radius: 20px;
  --radius-sm: 14px;
  --nav-h: 72px;
  --font-display: "Urbanist", "Plus Jakarta Sans", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- 3D background canvas ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
}

/* ---------- cursor glow (desktop only) ---------- */
.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12), rgba(255,45,120,0.05) 40%, transparent 65%);
  transform: translate(-50%, -50%);
  transition: opacity 0.4s;
  opacity: 0;
}
@media (hover: hover) and (pointer: fine) {
  .cursor-glow { opacity: 1; }
}

/* ---------- generic ---------- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

.section { position: relative; padding: 120px 0; z-index: 1; }

.section__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  font-weight: 500;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.08;
  margin-bottom: 48px;
}

.section__subtitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 28px;
  color: var(--text);
}

.section__sub { color: var(--muted); margin: -30px 0 40px; font-size: 1rem; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
}
.btn span { position: relative; z-index: 2; }
.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 32px rgba(255, 45, 120, 0.3);
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--orange), var(--purple) 50%, var(--pink));
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 1;
}
.btn--primary:hover::before { opacity: 1; }
.btn--primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 44px rgba(168, 85, 247, 0.4); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--glass-border);
}
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--purple); background: rgba(168,85,247,0.08); }
.btn--full { width: 100%; }

/* ============================================================
   NAVBAR — glassmorphic pill style
   ============================================================ */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  border-radius: 999px;
  background: rgba(15, 15, 26, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  width: min(92vw, 800px);
  transition: background 0.35s, border-color 0.35s, box-shadow 0.35s, width 0.4s;
}
.nav.is-scrolled {
  background: rgba(7, 7, 14, 0.85);
  border-color: rgba(255,45,120,0.15);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}
.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
}
.nav__logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

.nav__links { display: flex; align-items: center; gap: 6px; }
.nav__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.nav__link:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav__link.is-active { color: var(--text); background: rgba(255,255,255,0.08); }
.nav__link--cta {
  color: #fff !important;
  background: var(--grad) !important;
  padding: 8px 18px;
  font-weight: 600;
}
.nav__link--cta:hover { transform: scale(1.05); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 120;
  position: relative;
}
.nav__burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 40px);
  overflow: clip;
}
.hero__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero__eyebrow {
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 18px;
  font-weight: 500;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 6.5vw, 4.8rem);
  line-height: 1.05;
  margin-bottom: 22px;
}
.hero__sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 34px;
  line-height: 1.7;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero__stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat p { color: var(--muted); font-size: 0.8rem; margin-top: 2px; font-weight: 500; }
.stat__num, .stat__suffix {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- hero photo (circle with animated border) ---- */
.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 400px;
}

.hero__photo-wrapper {
  position: relative;
  z-index: 2;
}

.hero__photo-border {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--grad);
  animation: spin-border 6s linear infinite;
  opacity: 0.8;
}
@keyframes spin-border {
  to { transform: rotate(360deg); }
}
/* Mask the border to create a dashed/segmented look */
.hero__photo-border::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bg);
}

.hero__photo {
  position: relative;
  width: min(280px, 65vw);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
  background: linear-gradient(160deg, #1a1028 0%, #0f0f1a 50%, #1c0a2e 100%);
  border: 2px solid rgba(168, 85, 247, 0.25);
  box-shadow: 0 30px 80px rgba(168, 85, 247, 0.3), 0 0 60px rgba(255,45,120,0.12);
}
.hero__photo img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 60% top;
  z-index: 1;
}
.hero__photo-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 4.5rem;
  color: #fff;
  background: var(--grad);
  z-index: 1;
}

.hero__glow-ring {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(168,85,247,0.2);
  animation: spin 20s linear infinite;
  box-shadow: 0 0 60px rgba(168,85,247,0.1), inset 0 0 60px rgba(255,45,120,0.05);
}
.hero__glow-ring::before {
  content: "";
  position: absolute;
  top: -4px; left: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 12px var(--pink);
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__badges {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.float-badge {
  position: absolute;
  z-index: 3;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  background: rgba(15, 15, 26, 0.8);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: floaty 5s ease-in-out infinite;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.float-badge--1 { top: 10%; left: 0%; animation-delay: 0s; }
.float-badge--2 { bottom: 22%; right: -5%; animation-delay: 1.4s; }
.float-badge--3 { bottom: 5%; left: 5%; animation-delay: 2.8s; }
.float-badge--4 { top: 25%; right: -8%; animation-delay: 2s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 46px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 10px;
}
.hero__scroll span {
  width: 4px; height: 8px;
  border-radius: 4px;
  background: var(--grad);
  animation: scrolldot 1.8s ease-in-out infinite;
}
@keyframes scrolldot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.about__card {
  padding: 34px 28px;
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1), border-color 0.4s, box-shadow 0.4s;
}
.about__card:hover {
  transform: translateY(-8px);
  border-color: rgba(168,85,247,0.3);
  box-shadow: 0 20px 50px rgba(168,85,247,0.12);
}
.about__card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.about__card p, .about__list { color: var(--muted); font-size: 0.94rem; }
.about__list { list-style: none; display: grid; gap: 10px; }

/* ============================================================
   COLLABS / MARQUEE
   ============================================================ */
.marquee {
  overflow: hidden;
  padding: 26px 0;
  margin: 10px 0 60px;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}
.marquee__track span:nth-child(even) { color: var(--pink); font-size: 0.9rem; align-self: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- Testimonial cards with media ---- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}
.testimonial {
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1), box-shadow 0.4s;
  overflow: hidden;
}
.testimonial:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(168, 85, 247, 0.15);
}
.testimonial__media {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  background: var(--bg-soft);
}
.testimonial__media img,
.testimonial__media video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.testimonial__media iframe {
  width: 100%; height: 100%;
  border: none;
}
.testimonial__media-placeholder {
  width: 100%; height: 100%;
  display: grid;
  place-items: center;
  background: var(--grad-subtle);
  font-size: 2.5rem;
}
.testimonial__body {
  padding: 26px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.testimonial__stars { color: var(--orange); letter-spacing: 3px; font-size: 0.9rem; }
.testimonial blockquote { color: var(--text); font-size: 0.94rem; flex: 1; line-height: 1.6; }
.testimonial figcaption strong { display: block; font-family: var(--font-display); font-weight: 700; }
.testimonial figcaption span { color: var(--muted); font-size: 0.8rem; }

/* ============================================================
   REELS
   ============================================================ */
.reels__slider-wrapper {
  position: relative;
  overflow: hidden;
}
.reels__track {
  display: flex;
  gap: 22px;
  position: relative;
  left: 0;
  transition: left 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reel-embed {
  min-width: calc((100% - 44px) / 3);
  max-width: calc((100% - 44px) / 3);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--bg-soft);
  transition: box-shadow 0.4s;
}
.reel-embed:hover { box-shadow: 0 22px 55px rgba(255, 45, 120, 0.2); }
.reel-embed iframe {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 15.6;
  border: none;
  background: var(--bg-soft);
  pointer-events: none;
}
.reel-embed__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--glass-border);
}
.reel-embed__bar a { color: var(--pink); font-weight: 600; position: relative; z-index: 5; }

/* Slider dots */
.reels__dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}
.reels__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s, width 0.3s;
}
.reels__dot:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.2);
}
.reels__dot.is-active {
  background: var(--pink);
  border-color: var(--pink);
  box-shadow: 0 0 10px rgba(255,45,120,0.5);
  width: 28px;
  border-radius: 999px;
}

@media (max-width: 900px) {
  .reel-embed { min-width: calc((100% - 22px) / 2); max-width: calc((100% - 22px) / 2); }
}
@media (max-width: 560px) {
  .reel-embed { min-width: 100%; max-width: 100%; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 26px;
  align-items: start;
}
.contact__form { padding: 38px 32px; display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label, .field__label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.field label em { color: var(--muted); font-weight: 400; font-style: normal; }
.field input, .field textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.18);
}

.channel-picker { display: flex; gap: 10px; flex-wrap: wrap; }
.channel input { position: absolute; opacity: 0; pointer-events: none; }
.channel__chip {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
  user-select: none;
}
.channel__chip:hover { transform: translateY(-2px); }
.channel input:checked + .channel__chip {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
.channel input:focus-visible + .channel__chip {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}
.contact__hint { color: var(--muted); font-size: 0.8rem; text-align: center; min-height: 1.2em; }

.contact__aside { display: grid; gap: 22px; }
.contact__card { padding: 28px 24px; }
.contact__card h3 { font-family: var(--font-display); font-weight: 700; margin-bottom: 18px; }
.contact__card--accent p { color: var(--muted); }
.contact__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s;
}
.contact__row:last-child { border-bottom: none; }
.contact__row:hover { transform: translateX(6px); }
.contact__row small { color: var(--muted); }
.contact__icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 34px 20px;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--glass-border);
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal--delay { transition-delay: 0.18s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Fallback: if JS hasn't run after 3s, show content anyway */
@keyframes reveal-fallback {
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  animation: reveal-fallback 0s 3s forwards;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav {
    width: calc(100vw - 32px);
    top: 12px;
    height: 52px;
    padding: 0 18px;
  }
  .nav.menu-open {
    width: 100vw;
    top: 0;
    left: 0;
    transform: none;
    border-radius: 0;
    height: 100vh;
    background: rgba(7, 7, 14, 0.98);
    border-color: transparent;
    align-items: flex-start;
    padding-top: 20px;
  }

  .hero__inner { grid-template-columns: 1fr; text-align: center; gap: 56px; }
  .hero__sub { margin-inline: auto; }
  .hero__cta, .hero__stats { justify-content: center; }
  .hero__visual { order: -1; margin-top: 10px; min-height: 0; }
  .hero__photo { width: min(220px, 55vw); }
  .hero__glow-ring { width: 300px; height: 300px; }
  .about__grid { grid-template-columns: 1fr; }
  .testimonials { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }

  .nav__burger { display: flex; }
  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    background: rgba(7, 7, 14, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    z-index: 105;
  }
  .nav__links.is-open {
    opacity: 1;
    pointer-events: all;
  }
  .nav__link { font-size: 1.3rem; padding: 12px 24px; }
  .nav__link--cta { font-size: 1rem; }
  .nav.menu-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.menu-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.menu-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 480px) {
  .section { padding: 80px 0; }
  .hero__stats { gap: 24px; }
  .float-badge--1 { left: -4px; }
  .float-badge--2 { right: -4px; }
  .hero__glow-ring { width: 250px; height: 250px; }
  .testimonials { grid-template-columns: 1fr; }
}