/* ===========================================================
   AI with Suds — Unified Brand System (Direction H, locked)
   Warm white canvas + deep navy ink + glossy copper accent.
   Blue gradient reserved for squircle logo + masterclass card.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:ital,wght@0,500;0,600;0,700;0,800;1,700;1,800&family=Inter:ital,wght@0,400;0,500;0,600;1,600&display=swap');

:root {
  /* solid colors */
  --white: #FFFFFF;
  --warm-white: #FAF8F2;
  --navy: #02335F;
  --brand-blue: #0A66C2;
  --cobalt: #1976D2;
  --azure: #5AA0E8;

  /* text on warm white */
  --ink: var(--navy);
  --ink-body: rgba(2, 51, 95, 0.85);
  --ink-muted: rgba(2, 51, 95, 0.55);
  --ink-hairline: rgba(2, 51, 95, 0.10);
  --ink-border: rgba(2, 51, 95, 0.22);

  /* gradients */
  --gradient-blue: linear-gradient(135deg, #5AA0E8 0%, #0A66C2 50%, #02335F 100%);
  --gradient-copper: linear-gradient(135deg, #E8A878 0%, #C97B4A 50%, #8B4F1F 100%);

  /* surfaces */
  --card-bg: rgba(255, 255, 255, 0.65);

  /* type */
  --font-display: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius-card: 20px;
  --radius-pill: 999px;

  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--warm-white);
  color: var(--ink-body);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum" 1;
}

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

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 0.5em;
  letter-spacing: -0.025em;
}

h1 {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
}

h2 {
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.15;
}

h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  line-height: 1.3;
}

p { margin: 0 0 1em; }

.lead {
  font-size: 1.15rem;
  color: var(--ink-body);
  max-width: 620px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--gradient-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

.muted { color: var(--ink-muted); }

.accent {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.03em;
  background: var(--gradient-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--gradient-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
  display: block;
}

.tnum { font-feature-settings: "tnum" 1; }

/* inline links inside body copy */
.prose a,
.body-copy a {
  color: var(--cobalt);
  text-decoration: underline;
  text-decoration-color: rgba(25, 118, 210, 0.35);
  text-underline-offset: 2px;
}
.prose a:hover,
.body-copy a:hover { text-decoration-color: var(--cobalt); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); opacity: 0.94; }

.btn-primary {
  background: var(--gradient-copper);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--ink-border);
  color: var(--navy);
}

.btn-small { padding: 10px 20px; font-size: 0.88rem; }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ---------- header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 242, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--ink-hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  flex-shrink: 0;
}
.brand .squircle {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}
.brand .word { font-weight: 500; font-family: var(--font-body); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-body);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--ink-border);
}

.header-cta { flex-shrink: 0; display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ink-border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--warm-white);
    border-bottom: 1px solid var(--ink-hairline);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--ink-hairline); }
  .header-cta .btn-primary { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--ink-hairline);
  margin-top: 120px;
  padding: 64px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--ink-muted); font-size: 0.92rem; max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 0.94rem;
  color: var(--ink-body);
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--navy); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--ink-hairline);
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.footer-socials { display: flex; gap: 16px; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---------- cards ---------- */

.card {
  background: var(--card-bg);
  border: 1px solid var(--ink-hairline);
  border-radius: var(--radius-card);
  padding: 28px;
}

.card-hover { transition: transform 0.18s ease, border-color 0.18s ease; }
.card-hover:hover { transform: translateY(-3px); border-color: rgba(2, 51, 95, 0.2); }

/* project card */
.project-card {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--ink-hairline);
  border-radius: var(--radius-card);
  padding: 28px;
}
.project-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.6rem;
  color: var(--navy);
  line-height: 1;
  flex-shrink: 0;
  min-width: 64px;
}
.project-divider {
  width: 28px;
  height: 2px;
  background: var(--gradient-copper);
  margin: 10px 0 12px;
}
.project-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.project-card h3 { margin-bottom: 8px; }
.project-card p { color: var(--ink-body); margin-bottom: 12px; font-size: 0.96rem; }
.project-meta { font-size: 0.82rem; color: var(--ink-muted); display: flex; gap: 14px; flex-wrap: wrap; }
.project-card .read-link { font-weight: 600; font-size: 0.9rem; color: var(--navy); }

@media (max-width: 640px) {
  .project-card { flex-direction: column; gap: 8px; }
}

/* masterclass card (blue gradient — one of two brand-gradient moments) */
.masterclass-card {
  background: var(--gradient-blue);
  border-radius: var(--radius-card);
  padding: 36px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.masterclass-card .mc-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}
.masterclass-card .mc-meta { font-size: 0.9rem; color: rgba(255,255,255,0.75); margin-bottom: 18px; }
.masterclass-card .mc-price-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 20px; }
.masterclass-card .price-strike { font-size: 0.95rem; text-decoration: line-through; color: rgba(255,255,255,0.5); }
.masterclass-card .price-live {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.02em;
  background: var(--gradient-copper);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.masterclass-card .mc-copy { flex: 1; min-width: 260px; }
.masterclass-card .mc-side { display: flex; flex-direction: column; align-items: flex-start; }

/* razorpay payment button embed */
.razorpay-btn-wrap { min-height: 46px; display: flex; align-items: center; }
.razorpay-btn-wrap form { margin: 0; }

/* faq */
.faq-item {
  border-bottom: 1px solid var(--ink-hairline);
  padding: 22px 0;
}
.faq-item:first-child { border-top: 1px solid var(--ink-hairline); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
}
.faq-question .plus {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--ink-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.2s ease;
}
.faq-item[open] .plus { transform: rotate(45deg); }
.faq-answer { margin-top: 14px; color: var(--ink-body); font-size: 0.98rem; max-width: 700px; }
.faq-item summary { list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }

/* section rhythm */
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

hr.hairline {
  border: none;
  border-top: 1px solid var(--ink-hairline);
  margin: 0;
}

/* grid helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* checklist */
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 8px 0;
  font-size: 1rem;
  color: var(--ink-body);
}
.check-list .mark { color: transparent; background: var(--gradient-copper); -webkit-background-clip: text; background-clip: text; font-weight: 700; flex-shrink: 0; }

/* code / prompt block */
.prompt-block {
  background: rgba(2, 51, 95, 0.04);
  border: 1px solid var(--ink-hairline);
  border-radius: 16px;
  padding: 64px 28px 28px;
  position: relative;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  white-space: pre-wrap;
  line-height: 1.7;
}
.copy-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
}
.copy-btn.copied { background: var(--gradient-copper); }

/* breadcrumb */
.breadcrumb { font-size: 0.85rem; color: var(--ink-muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--ink-muted); }
.breadcrumb a:hover { color: var(--navy); }

/* tag pill */
.pill {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-border);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-body);
}

/* profile photo ring */
.avatar-ring {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  padding: 3px;
  background: var(--gradient-copper);
  flex-shrink: 0;
}
.avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--warm-white);
}

/* TL;DR box */
.tldr {
  background: rgba(2, 51, 95, 0.04);
  border-left: 3px solid;
  border-image: var(--gradient-copper) 1;
  border-radius: 0 14px 14px 0;
  padding: 20px 24px;
  margin: 32px 0;
}
.tldr .section-label { margin-bottom: 8px; }

/* responsive base */
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  body { font-size: 16px; }
  .masterclass-card { padding: 28px; }
}