/* ============================================================
   ConvertGen.com — shared stylesheet
   Editorial Modern design system
   ============================================================ */

:root {
  /* Palette */
  --bg: #FAF8F4;
  --bg-soft: #F1ECE3;
  --ink: #0E0E10;
  --ink-soft: #3B3B40;
  --ink-mute: #6F6F75;
  --rule: #E3DED2;
  --accent: #2C42FF;
  --accent-ink: #FFFFFF;
  --warm: #E8623D;

  /* Type */
  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* Scale */
  --container: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(64px, 9vw, 128px);

  /* Radius / motion */
  --radius: 6px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
a:hover { border-bottom-color: var(--ink); }

/* ============================================================
   Layout
   ============================================================ */

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

.section {
  padding: var(--section-y) 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section-rule {
  border-top: 1px solid var(--rule);
}

/* ============================================================
   Typography
   ============================================================ */

.eyebrow {
  font-family: var(--body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 18px;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.05;
}

h1 {
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
}

h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

p {
  margin: 0 0 1em;
  color: var(--ink-soft);
}

.lead {
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 620px;
}

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

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--rule);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  border: none;
}
.brand:hover { border: none; }

.brand-mark {
  width: 30px;
  height: 30px;
  display: block;
  flex-shrink: 0;
}

.site-footer .social-link {
  display: inline-flex;
  align-items: center;
  color: var(--ink-soft);
  border: none;
}
.site-footer .social-link:hover { color: var(--ink); border: none; }

.nav-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 999px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.nav-switch:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-cta:hover {
  background: #1d33f0;
  color: var(--accent-ink);
  border: none;
  transform: translateY(-1px);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--body);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--primary:hover {
  background: #1d33f0;
  color: var(--accent-ink);
  border: none;
  transform: translateY(-1px);
}

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

.btn-arrow {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding: clamp(72px, 11vw, 140px) 0 clamp(56px, 8vw, 96px);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: end;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
  }
}

.hero h1 .accent {
  color: inherit;
  font-style: normal;
  font-weight: inherit;
}

.hero h1 .accent--blue {
  color: var(--accent);
}

.hero h1 .underline {
  display: inline;
  background-image: linear-gradient(transparent 70%, rgba(232, 98, 61, 0.35) 70%);
  background-size: 100% 100%;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.hero-aside {
  border-left: 1px solid var(--rule);
  padding-left: 32px;
}

.hero-aside p {
  font-size: 15px;
  color: var(--ink-mute);
}

.trust-strip {
  margin-top: clamp(56px, 8vw, 88px);
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============================================================
   Section header
   ============================================================ */

.section-head {
  max-width: 760px;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.section-head .lead {
  margin-top: 18px;
}

/* ============================================================
   Service cards
   ============================================================ */

.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 700px) {
  .services { grid-template-columns: repeat(2, 1fr); }
}

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

.service {
  background: var(--bg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  text-align: left;
  font: inherit;
  color: inherit;
  border: none;
  cursor: pointer;
  position: relative;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.service:hover {
  background: var(--bg-soft);
}

.service:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.service .chev {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 18px;
  height: 18px;
  color: var(--ink-mute);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.service:hover .chev {
  color: var(--accent);
  transform: translate(3px, -3px);
}

.click-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 16px;
  margin-bottom: 28px;
}

.click-hint .dot-anim {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.8s var(--ease) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* ============================================================
   Modal
   ============================================================ */

.modal-template { display: none; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 14, 16, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
}

@media (min-width: 700px) {
  .modal-overlay { align-items: center; padding: 32px; }
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg);
  width: 100%;
  max-width: 720px;
  max-height: 92vh;
  overflow-y: auto;
  border-radius: 12px 12px 0 0;
  padding: clamp(28px, 5vw, 48px);
  position: relative;
  transform: translateY(40px);
  transition: transform 0.3s var(--ease);
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 700px) {
  .modal { border-radius: 12px; }
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.modal-close:hover {
  background: var(--ink);
  color: var(--bg);
  transform: rotate(90deg);
}

.modal-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 18px;
}

.modal h3 {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0 0 14px;
}

.modal .modal-intro {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0 0 28px;
}

.modal .modal-section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 28px 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.modal .modal-section-label:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.modal ul.deliverables {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 12px;
}

.modal ul.deliverables li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.45;
}

.modal ul.deliverables li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 9px;
}

.modal ul.deliverables li strong {
  color: var(--ink);
  font-weight: 600;
}

.modal .modal-cta {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.modal .modal-cta p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-mute);
}

body.modal-open {
  overflow: hidden;
}

.service-icon {
  width: 36px;
  height: 36px;
  color: var(--accent);
}

.service h3 {
  font-size: 22px;
  margin: 0;
}

.service p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ============================================================
   Two-column rows (Why, Process, Model)
   ============================================================ */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1.3fr; gap: 80px; }
}

.split-head h2 { margin: 0 0 18px; }

/* Numbered list (Why bullets) */
.why-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 28px;
}

.why-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}

.why-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.why-list .marker {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  min-width: 36px;
}

.why-list h3 {
  font-family: var(--body);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
  letter-spacing: 0;
}

.why-list p {
  font-size: 15px;
  margin: 0;
}

/* ============================================================
   Process steps
   ============================================================ */

.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 700px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .process { grid-template-columns: repeat(4, 1fr); } }

.step {
  position: relative;
  padding-top: 28px;
  border-top: 2px solid var(--ink);
}

.step .num {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}

.step h3 {
  font-family: var(--display);
  font-size: 24px;
  margin: 0 0 10px;
}

.step p {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}

/* ============================================================
   Model section (Info page only)
   ============================================================ */

.model {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius);
  padding: clamp(48px, 7vw, 96px);
}

.model h2 {
  color: var(--bg);
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
}

.model .lead {
  color: rgba(250, 248, 244, 0.75);
  max-width: 640px;
}

.model .accent {
  color: #8DA0FF;
}

/* ============================================================
   Includes strip (Local page — scope without prices)
   ============================================================ */

.includes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 700px) { .includes { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .includes { grid-template-columns: repeat(5, 1fr); } }

.include {
  padding: 20px 0;
  border-top: 1px solid var(--ink);
}

.include .label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}

.include strong {
  font-family: var(--display);
  font-weight: 500;
  font-size: 20px;
}

/* ============================================================
   FAQ
   ============================================================ */

.faq {
  border-top: 1px solid var(--rule);
}

.faq details {
  border-bottom: 1px solid var(--rule);
  padding: 24px 0;
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--display);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 500;
  color: var(--ink);
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary .plus {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
}

.faq summary .plus::before,
.faq summary .plus::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.25s var(--ease);
}

.faq summary .plus::before {
  top: 11px; left: 0;
  width: 24px; height: 2px;
}

.faq summary .plus::after {
  top: 0; left: 11px;
  width: 2px; height: 24px;
}

.faq details[open] summary .plus::after {
  transform: rotate(90deg);
}

.faq details p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 720px;
}

/* ============================================================
   Final CTA
   ============================================================ */

.final-cta {
  text-align: center;
  padding: clamp(80px, 11vw, 140px) 0;
}

.final-cta h2 {
  font-size: clamp(40px, 6vw, 72px);
  margin: 0 0 20px;
}

.final-cta .lead {
  margin: 0 auto 36px;
  text-align: center;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 40px 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-row a {
  color: var(--ink-mute);
  font-size: 14px;
  margin-left: 20px;
}

.footer-row a:first-of-type { margin-left: 0; }

/* ============================================================
   Scroll reveal
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Mobile tweaks
   ============================================================ */

@media (max-width: 640px) {
  .nav { gap: 12px; }
  .nav-cta { padding: 9px 14px; font-size: 13px; }
  .nav-toggle a { padding: 7px 12px; font-size: 13px; }
  .brand { font-size: 19px; }
  .hero-aside { border-left: none; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 32px; }
  .footer-row a { margin-left: 14px; }
}

/* ============================================================
   AI section (Our edge)
   ============================================================ */

.ai-section {
  background: var(--ink);
  color: var(--bg);
}

.ai-section .ai-head {
  max-width: 760px;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(141, 160, 255, 0.1);
  border: 1px solid rgba(141, 160, 255, 0.35);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #B8C3FF;
  margin-bottom: 22px;
}

.ai-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8DA0FF;
  box-shadow: 0 0 10px #8DA0FF;
  animation: pulse 1.8s var(--ease) infinite;
}

.ai-section h2 {
  color: var(--bg);
  font-size: clamp(32px, 4.6vw, 56px);
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}

.ai-section h2 .accent {
  color: #8DA0FF;
  font-weight: 500;
}

.ai-section .lead {
  color: rgba(250, 248, 244, 0.7);
  max-width: 640px;
  margin: 0;
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 700px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ai-grid { grid-template-columns: repeat(4, 1fr); } }

.ai-card {
  position: relative;
  padding: 32px 28px 28px;
  background: rgba(250, 248, 244, 0.03);
  border: 1px solid rgba(250, 248, 244, 0.1);
  border-radius: var(--radius);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.ai-card:hover {
  background: rgba(141, 160, 255, 0.07);
  border-color: rgba(141, 160, 255, 0.4);
  transform: translateY(-2px);
}

.ai-card-num {
  display: inline-block;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #8DA0FF;
  margin-bottom: 14px;
}

.ai-card h3 {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  color: var(--bg);
  margin: 0 0 10px;
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.ai-card p {
  font-size: 14px;
  color: rgba(250, 248, 244, 0.65);
  margin: 0;
  line-height: 1.55;
}

/* ============================================================
   Modal AI note
   ============================================================ */

.modal-ai-note {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(44, 66, 255, 0.06);
  border: 1px solid rgba(44, 66, 255, 0.2);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 28px;
  line-height: 1.45;
}

.modal-ai-note .ai-pill {
  flex-shrink: 0;
  padding: 3px 9px;
  background: var(--accent);
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.4;
}