@import url("tokens.css");

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(rgba(122,35,21,0.11) 0.8px, transparent 0.8px) 0 0 / 18px 18px,
    var(--parchment);
  font-family: var(--sans);
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
.shell { width: min(1320px, calc(100% - 56px)); margin: 0 auto; }
.narrow { width: min(960px, calc(100% - 56px)); margin: 0 auto; }
.eyebrow {
  display: block;
  color: var(--orange);
  font: 500 12px var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.section-title {
  margin: 10px 0 0;
  color: var(--ink);
  font: 700 clamp(2.4rem, 5vw, 5.3rem) / 0.98 var(--serif);
  letter-spacing: -0.015em;
}
.section-title em { color: var(--orange); font-style: italic; }
.section-sub {
  max-width: 660px;
  color: rgba(36, 33, 29, 0.66);
  font-size: 15px;
  line-height: 1.8;
}
.mono { font-family: var(--mono); }
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  overflow: hidden;
  border: 1px solid var(--orange);
  border-radius: 0;
  padding: 0 25px;
  background: transparent;
  color: var(--orange);
  cursor: pointer;
  font: 600 13px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.btn-primary:hover { transform: translateY(-1px); background: var(--orange); color: var(--white); }
.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { background: #c8551d; }
.btn-amber { border-color: var(--amber); background: var(--amber); color: var(--navy); }
.btn-amber:hover { background: #e3ae2c; color: var(--navy); }
@keyframes ripple {
  to { width: 280px; height: 280px; margin-left: -140px; margin-top: -140px; opacity: 0; }
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

.navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  display: flex;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 42px;
  border-bottom: 1px solid rgba(122,35,21,0.12);
  background: rgba(245,244,239,0.72);
  backdrop-filter: blur(10px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.navbar.scrolled { background: rgba(245,244,239,0.94); box-shadow: 0 12px 36px rgba(27,43,94,0.06); }
.nav-logo { display: flex; align-items: center; gap: 11px; }
.nav-elephant {
  width: 31px;
  height: 22px;
  border: 2px solid rgba(122,35,21,0.75);
  border-radius: 48% 42% 42% 48%;
  position: relative;
}
.nav-elephant::before {
  content: "";
  position: absolute;
  right: -9px;
  top: 4px;
  width: 12px;
  height: 9px;
  border: 2px solid rgba(122,35,21,0.75);
  border-left: 0;
  border-radius: 0 9px 9px 0;
}
.nav-wordmark { color: var(--ink); font: 700 15px var(--mono); letter-spacing: 0.18em; text-transform: uppercase; }
.nav-hindi { color: var(--crimson); font-family: var(--serif); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { color: rgba(36,33,29,0.72); font: 500 13px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.nav-link:hover, .nav-link.active { color: var(--orange); }
.nav-user { display: flex; align-items: center; gap: 18px; color: var(--ink); font: 700 16px var(--serif); }
.nav-avatar { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 50%; background: #242424; color: var(--white); font-family: var(--serif); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.12); }
.nav-hamburger { display: none; border: 1px solid var(--paper-line); background: transparent; padding: 9px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; margin: 4px 0; background: var(--ink); }
.nav-mobile-overlay { display: none; position: fixed; inset: 0; z-index: 999; flex-direction: column; align-items: center; justify-content: center; gap: 28px; background: var(--parchment); }
.nav-mobile-overlay.open { display: flex; }
.nav-mobile-close { position: absolute; top: 24px; right: 24px; border: 0; background: transparent; font-size: 24px; }
.nav-mobile-link { font: 700 34px var(--serif); }

.site-main { padding-top: 64px; }
.hero-app {
  display: grid;
  min-height: calc(100vh - 64px);
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: 56px;
  padding: 80px 0 70px;
}
.hero-kicker { margin-bottom: 16px; }
.hero-app h1 { max-width: 670px; }
.hero-copy { max-width: 565px; margin-top: 22px; color: rgba(36,33,29,0.66); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
  color: rgba(36,33,29,0.54);
  font: 500 12px var(--mono);
}
.hero-proof strong { color: var(--crimson); font-weight: 700; }
.product-frame {
  border: 1px solid var(--paper-line);
  background: rgba(255,248,240,0.5);
  box-shadow: 18px 18px 0 rgba(122,35,21,0.08);
  overflow: hidden;
}
.product-frame img { width: 100%; height: 100%; object-fit: cover; }
.product-frame.hero-shot { aspect-ratio: 16 / 10; }
.product-frame.contain img { object-fit: contain; background: rgba(255,248,240,0.8); }
.browser-dots { display: flex; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--paper-line); }
.browser-dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(122,35,21,0.32); }

.course-section, .profile-section, .paths-section, .persona-section, .testimonial-section, .demo-section, .about-section, .contact-section { padding: 92px 0; }
.course-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 38px; }
.course-card {
  border: 1px solid var(--paper-line);
  background: rgba(255,248,240,0.5);
}
.course-head, .course-body { padding: 25px 30px; }
.course-head { display: grid; grid-template-columns: 1fr auto; gap: 20px; border-bottom: 1px solid var(--paper-line); }
.course-card h3 { margin: 0; font: 700 28px var(--serif); }
.course-meta, .course-row, .course-lock { color: rgba(36,33,29,0.58); font: 500 13px var(--mono); }
.course-meta strong, .course-row strong { color: var(--crimson); letter-spacing: 0.08em; text-transform: uppercase; }
.course-body { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 22px; }
.course-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 14px; align-items: baseline; margin-bottom: 18px; }
.course-lock { color: rgba(36,33,29,0.38); font-style: italic; }

.profile-layout { display: grid; grid-template-columns: minmax(0,0.88fr) minmax(420px,1.12fr); gap: 42px; align-items: start; }
.focus-card { border-left: 3px solid var(--orange); padding: 18px 0 18px 24px; margin-top: 28px; }
.focus-card h3 { margin: 8px 0; font: 700 24px var(--serif); }
.skill-list { display: grid; gap: 14px; margin-top: 30px; }
.skill-row {
  display: grid;
  grid-template-columns: 1fr 160px auto;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--paper-line);
  padding: 18px 20px;
  background: rgba(255,248,240,0.48);
}
.skill-row h4 { margin: 0; font: 700 17px var(--serif); }
.meter { height: 6px; background: rgba(36,33,29,0.12); }
.meter span { display: block; height: 100%; background: #6f57b5; }
.level { color: #6f57b5; font: 500 12px var(--mono); }
.legend-card { border: 1px solid var(--paper-line); padding: 24px; background: rgba(255,248,240,0.6); }
.legend-list { display: grid; gap: 18px; margin-top: 18px; }
.legend-item { display: flex; align-items: center; gap: 14px; font: 500 17px var(--mono); }
.legend-dot { width: 17px; height: 17px; border-radius: 50%; }

.navy-band { background: var(--navy); color: var(--white); }
.navy-band .section-title, .navy-band .section-sub { color: var(--white); }
.navy-band .section-sub { opacity: 0.72; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 38px; }
.step-card { border: 1px solid rgba(255,255,255,0.16); padding: 26px; background: rgba(255,255,255,0.035); }
.step-card span { color: var(--amber); font: 500 12px var(--mono); }
.step-card h3 { font: 700 26px var(--serif); margin: 34px 0 10px; }
.step-card p { color: rgba(255,255,255,0.72); line-height: 1.7; }

.paths { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 38px; }
.path-card { border: 1px solid var(--paper-line); background: rgba(255,248,240,0.45); padding: 24px; }
.path-card.tark { border-color: rgba(232,106,42,0.45); box-shadow: 12px 12px 0 rgba(232,106,42,0.1); }
.path-label { display: inline-flex; padding: 7px 10px; border: 1px solid var(--paper-line); font: 500 12px var(--mono); text-transform: uppercase; }
.path-card.tark .path-label { color: var(--white); background: var(--orange); border-color: var(--orange); }
.path-node { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: center; margin-top: 22px; font: 500 14px var(--mono); }
.node { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; border: 1px solid currentColor; }
.node.orange { color: var(--orange); }
.node.green { color: var(--teal); }
.node.red { color: #b83830; }

.persona-wrap { display: grid; grid-template-columns: minmax(0,0.8fr) minmax(420px,1.2fr); gap: 40px; align-items: center; }
.persona-tabs { display: grid; gap: 12px; margin-top: 26px; }
.persona-tab { border: 1px solid var(--paper-line); background: rgba(255,248,240,0.55); padding: 22px; text-align: left; cursor: pointer; }
.persona-tab.active { border-color: var(--orange); box-shadow: inset 4px 0 0 var(--orange); }
.persona-tab strong { display: block; font: 700 22px var(--serif); }
.persona-tab span { color: rgba(36,33,29,0.58); font-size: 14px; }
.persona-panel { display: none; }
.persona-panel.active { display: block; }

.testimonial-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 34px; }
.testimonial { border: 1px solid var(--paper-line); background: rgba(255,248,240,0.52); padding: 25px; }
.testimonial blockquote { margin: 0; color: var(--ink); font: italic 18px/1.65 var(--serif); }
.testimonial strong { display: block; color: var(--orange); margin-top: 18px; font: 500 12px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }

.demo-grid { display: grid; grid-template-columns: minmax(0,0.9fr) minmax(420px,1.1fr); gap: 34px; align-items: start; margin-top: 38px; }
.demo-widget, .contact-card {
  border: 1px solid var(--paper-line);
  background: rgba(255,248,240,0.62);
  padding: 28px;
}
.mode-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 0; }
.mode-row button { border: 1px solid var(--paper-line); background: transparent; padding: 10px 13px; cursor: pointer; font: 500 12px var(--mono); }
.mode-row button.active { border-color: var(--orange); color: var(--white); background: var(--orange); }
.demo-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.demo-input, .form-input, .form-textarea, .form-select {
  width: 100%;
  border: 1px solid var(--paper-line);
  background: rgba(255,255,255,0.46);
  padding: 14px;
  color: var(--ink);
}
.demo-response { min-height: 120px; margin-top: 18px; border-left: 3px solid var(--orange); padding: 18px; background: rgba(27,43,94,0.96); color: var(--white); font-family: var(--mono); line-height: 1.65; }
.dialogue-card { border: 1px solid rgba(255,255,255,0.16); background: rgba(255,255,255,0.05); padding: 22px; font-family: var(--mono); }
.message { margin: 14px 0; color: rgba(255,255,255,0.76); }
.message.student { text-align: right; color: var(--amber); }

.about-grid, .contact-grid { display: grid; grid-template-columns: minmax(0,0.8fr) minmax(420px,1.2fr); gap: 40px; margin-top: 40px; }
.principle-list { display: grid; gap: 16px; }
.principle { border: 1px solid var(--paper-line); padding: 22px; background: rgba(255,248,240,0.5); }
.principle h3 { margin: 0 0 8px; font: 700 24px var(--serif); }
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 30px; }
.team-card { border: 1px solid var(--paper-line); padding: 24px; background: rgba(255,248,240,0.54); }
.team-avatar { display: grid; width: 54px; height: 54px; place-items: center; border-radius: 50%; background: var(--navy); color: var(--white); font-family: var(--serif); margin-bottom: 18px; }

.form-grid { display: grid; gap: 14px; }
.form-textarea { min-height: 140px; resize: vertical; }
.faq-list { display: grid; gap: 14px; margin-top: 28px; }
.faq-item { border: 1px solid var(--paper-line); padding: 20px; background: rgba(255,248,240,0.5); }
.faq-item h3 { margin: 0 0 8px; font: 700 20px var(--serif); }

.site-footer { padding: 72px 0 34px; background: var(--crimson); color: #FFF0EC; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-headline { margin: 0; font: 700 42px/1.12 var(--serif); }
.footer-sub { color: rgba(255,240,236,0.58); font-size: 13px; }
.footer-base { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 48px; border-top: 1px solid rgba(255,240,236,0.14); padding-top: 20px; color: rgba(255,240,236,0.46); font-size: 12px; }

@media (max-width: 860px) {
  .shell, .narrow { width: min(100% - 28px, 560px); }
  .navbar { padding: 0 18px; }
  .nav-links, .nav-user, .nav-cta { display: none; }
  .nav-hamburger { display: block; }
  .hero-app, .profile-layout, .persona-wrap, .demo-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-app { padding: 58px 0; }
  .course-grid, .steps, .paths, .testimonial-grid, .team-grid { grid-template-columns: 1fr; }
  .course-body, .course-head, .course-row, .skill-row, .demo-form { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .section-title { font-size: clamp(2.6rem, 14vw, 4.2rem); }
}