/* ═══════════════════════════════════════════════════════════════════
   ACCOMPLYSH LANDING — 2025
   Font: Manrope  |  Primary: #0B63F6  |  Max-width: 1280px
═══════════════════════════════════════════════════════════════════ */

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

/* ─── 1. TOKENS ─────────────────────────────────────────────────── */
:root {
  --ac-blue:        #0B63F6;
  --ac-blue-dark:   #063CBF;
  --ac-blue-deep:   #082B78;
  --ac-blue-soft:   #EAF2FF;
  --ac-blue-soft-2: #F3F7FF;
  --ac-text:        #0F1B3D;
  --ac-navy:        #071A44;
  --ac-muted:       #61708F;
  --ac-muted-2:     #8A97B3;
  --ac-bg:          #FFFFFF;
  --ac-bg-soft:     #F8FBFF;
  --ac-border:      #DCE7F7;
  --ac-border-soft: #EAF0FA;
  --ac-green:       #16A34A;
  --ac-green-soft:  #E8F8EF;
  --ac-purple:      #7C3AED;
  --ac-purple-soft: #F1E8FF;
  --ac-orange:      #F97316;
  --ac-orange-soft: #FFF1E7;
  --ac-pink:        #EC4899;
  --ac-pink-soft:   #FCE7F3;
  --ac-cyan:        #06B6D4;
  --ac-cyan-soft:   #E6FAFD;
  --shadow-card:    0 18px 45px rgba(15,27,61,0.08);
  --shadow-soft:    0 8px 24px rgba(15,27,61,0.06);
  --shadow-mockup:  0 28px 72px rgba(15,27,61,0.14), 0 2px 8px rgba(15,27,61,0.06);
}

/* ─── 2. BASE ───────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ac-text);
  background: var(--ac-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
svg { flex-shrink: 0; }
button { font-family: inherit; }

/* ─── 3. LAYOUT ─────────────────────────────────────────────────── */
.ac-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── 4. TYPOGRAPHY HELPERS ─────────────────────────────────────── */
.ac-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ac-blue);
  margin-bottom: 10px;
  display: block;
}
.ac-section-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--ac-text);
  margin-bottom: 10px;
}
.ac-section-sub {
  font-size: 17px;
  color: var(--ac-muted);
  line-height: 1.65;
}
.accent { color: var(--ac-blue); }

/* ─── 5. BUTTONS ────────────────────────────────────────────────── */
.ac-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.ac-btn--primary {
  background: var(--ac-blue);
  color: #fff;
}
.ac-btn--primary:hover {
  background: var(--ac-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(11,99,246,0.3);
}
.ac-btn--outline {
  background: transparent;
  color: var(--ac-text);
  border: 1.5px solid var(--ac-border);
}
.ac-btn--outline:hover { border-color: var(--ac-blue); color: var(--ac-blue); }
.ac-btn--white {
  background: #fff;
  color: var(--ac-blue);
}
.ac-btn--white:hover { background: var(--ac-blue-soft); transform: translateY(-1px); }
.ac-btn--white-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.ac-btn--white-outline:hover { background: rgba(255,255,255,0.1); }
.ac-btn--lg { padding: 16px 30px; font-size: 15px; border-radius: 14px; }
.ac-btn--sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }
.ac-btn svg { width: 18px; height: 18px; }

/* see-how-it-works button */
.ac-btn--how {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 10px;
  background: #fff;
  border: 1.5px solid var(--ac-border);
  color: var(--ac-text);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
}
.ac-btn--how:hover { border-color: var(--ac-blue); color: var(--ac-blue); }
.ac-btn--how .play-circle {
  width: 36px;
  height: 36px;
  background: var(--ac-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-btn--how .play-circle svg { width: 16px; height: 16px; color: #fff; }

/* ─── 6. HEADER ─────────────────────────────────────────────────── */
.ac-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: 64px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ac-border-soft);
}
.ac-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.ac-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.ac-logo__mark {
  width: 36px;
  height: 36px;
  background: var(--ac-blue);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-logo__mark svg { width: 22px; height: 22px; color: #fff; }
.ac-logo__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--ac-text);
  letter-spacing: -0.025em;
}
.ac-header__actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.ac-header__login {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ac-text);
  border-radius: 10px;
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}
.ac-header__login:hover { color: var(--ac-blue); background: var(--ac-blue-soft); }

/* ─── 7. HERO ───────────────────────────────────────────────────── */
.ac-hero {
  padding: 72px 0 56px;
  background: linear-gradient(160deg, #ffffff 0%, #f0f6ff 55%, #e8f1ff 100%);
  overflow: hidden;
}
.ac-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

.ac-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  background: var(--ac-blue-soft);
  border: 1px solid rgba(11,99,246,0.18);
  color: var(--ac-blue);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.ac-hero-badge svg { width: 14px; height: 14px; }

.ac-hero__h1 {
  font-size: 62px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.045em;
  color: var(--ac-text);
  margin-bottom: 22px;
}
.ac-hero__desc {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ac-muted);
  margin-bottom: 34px;
  max-width: 480px;
}
.ac-hero__ctas {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

/* social proof */
.ac-social-proof {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.ac-avatars-row { display: flex; align-items: center; }
.ac-av-sm {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2.5px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  margin-left: -8px;
  flex-shrink: 0;
}
.ac-av-sm:first-child { margin-left: 0; }
.ac-av-sm--a { background: linear-gradient(135deg, #a78bfa, #7c3aed); color: #fff; }
.ac-av-sm--b { background: linear-gradient(135deg, #86efac, #16a34a); color: #fff; }
.ac-av-sm--c { background: linear-gradient(135deg, #fca5a5, #dc2626); color: #fff; }
.ac-av-sm--d { background: linear-gradient(135deg, #fdba74, #f97316); color: #fff; }
.ac-av-sm--e { background: linear-gradient(135deg, #93c5fd, #2563eb); color: #fff; }
.ac-proof-text { display: flex; flex-direction: column; gap: 2px; }
.ac-stars { display: flex; gap: 2px; }
.ac-stars svg { width: 14px; height: 14px; }
.ac-proof-label { font-size: 13px; font-weight: 600; color: var(--ac-muted); }
.ac-proof-label strong { color: var(--ac-text); }

/* available on */
.ac-available { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ac-available__label { font-size: 13px; font-weight: 600; color: var(--ac-muted); }
.ac-available__icons { display: flex; align-items: center; gap: 8px; }
.ac-avail-icon {
  width: 34px;
  height: 34px;
  background: #fff;
  border: 1px solid var(--ac-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ac-muted);
  transition: all 0.15s;
}
.ac-avail-icon:hover { color: var(--ac-blue); border-color: var(--ac-blue); }
.ac-avail-icon svg { width: 17px; height: 17px; }

/* ─── 8. HERO APP MOCKUP ────────────────────────────────────────── */
.ac-hero__right {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.ac-hero__right::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(11,99,246,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.ac-mockup {
  width: 100%;
  max-width: 640px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--ac-border-soft);
  box-shadow: var(--shadow-mockup);
  overflow: hidden;
  position: relative;
  z-index: 1;
}
/* mockup topbar */
.ac-mkp-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: #fff;
  border-bottom: 1px solid var(--ac-border-soft);
  height: 46px;
}
.ac-mkp-logo-mark {
  width: 26px;
  height: 26px;
  background: var(--ac-blue);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-mkp-logo-mark svg { width: 15px; height: 15px; color: #fff; }
.ac-mkp-course-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ac-text);
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  cursor: pointer;
}
.ac-mkp-course-btn svg { width: 11px; height: 11px; color: var(--ac-muted-2); }
.ac-mkp-class-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: 6px;
}
.ac-mkp-nav-arrow {
  width: 22px;
  height: 22px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ac-muted);
}
.ac-mkp-nav-arrow svg { width: 10px; height: 10px; }
.ac-mkp-classnum {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--ac-text);
}
.ac-mkp-classnum svg { width: 9px; height: 9px; color: var(--ac-blue); }
.ac-mkp-top-right { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.ac-mkp-share-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--ac-blue-soft);
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--ac-blue);
}
.ac-mkp-share-chip svg { width: 11px; height: 11px; }
.ac-mkp-icon-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ac-muted-2);
}
.ac-mkp-icon-btn svg { width: 14px; height: 14px; }
.ac-mkp-user-av {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fde68a, #f59e0b);
  font-size: 10px;
  font-weight: 700;
  color: #92400e;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* mockup body */
.ac-mkp-body { display: flex; height: 390px; }
/* sidebar */
.ac-mkp-sidebar {
  width: 126px;
  flex-shrink: 0;
  background: var(--ac-bg-soft);
  border-right: 1px solid var(--ac-border-soft);
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ac-mkp-nav-lbl {
  font-size: 8.5px;
  font-weight: 700;
  color: var(--ac-muted-2);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 6px 10px 3px;
}
.ac-mkp-nav-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ac-muted);
  cursor: pointer;
}
.ac-mkp-nav-row.is-active {
  color: var(--ac-blue);
  background: var(--ac-blue-soft);
  font-weight: 700;
}
.ac-mkp-nav-row svg { width: 11px; height: 11px; flex-shrink: 0; }
.ac-mkp-course-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.ac-mkp-course-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  font-size: 10px;
  font-weight: 600;
  color: var(--ac-muted);
  cursor: pointer;
  overflow: hidden;
}
.ac-mkp-course-row.is-active { color: var(--ac-blue); font-weight: 700; }
.ac-mkp-course-row.is-active .ac-mkp-course-dot { background: var(--ac-blue); }
.ac-mkp-course-txt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-mkp-sidebar-bottom {
  margin-top: auto;
  padding: 8px 10px;
  border-top: 1px solid var(--ac-border-soft);
}
.ac-mkp-online-lbl { font-size: 8.5px; font-weight: 700; color: var(--ac-muted-2); letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 6px; }
.ac-mkp-online-avs { display: flex; gap: 3px; }
.ac-mkp-online-av {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 7px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
}
.ac-mkp-online-dot {
  width: 5px;
  height: 5px;
  background: var(--ac-green);
  border: 1px solid #fff;
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  right: 0;
}
/* main panel */
.ac-mkp-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
}
.ac-mkp-tabs-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--ac-border-soft);
  padding: 0 12px;
  flex-shrink: 0;
  background: #fff;
  overflow: hidden;
}
.ac-mkp-tab {
  padding: 9px 8px 8px;
  font-size: 10px;
  font-weight: 700;
  color: var(--ac-muted-2);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.ac-mkp-tab.is-active { color: var(--ac-blue); border-bottom-color: var(--ac-blue); }
.ac-mkp-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px 12px;
  border-bottom: 1px solid var(--ac-border-soft);
  flex-shrink: 0;
  background: #fff;
}
.ac-mkp-tool { width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; border-radius: 3px; font-size: 9.5px; font-weight: 700; color: var(--ac-muted); }
.ac-mkp-tool-sep { width: 1px; height: 12px; background: var(--ac-border-soft); margin: 0 3px; }
.ac-mkp-content {
  flex: 1;
  padding: 12px 14px;
  overflow: hidden;
}
.ac-mkp-note-h1 { font-size: 13px; font-weight: 800; color: var(--ac-text); margin-bottom: 9px; letter-spacing: -0.02em; }
.ac-mkp-bullet-row {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  font-size: 9.5px;
  color: var(--ac-muted);
  margin-bottom: 4px;
  line-height: 1.45;
}
.ac-mkp-bullet-row::before { content: '•'; color: var(--ac-blue); flex-shrink: 0; font-weight: 700; }
.ac-mkp-sub-row {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  font-size: 9px;
  color: var(--ac-muted-2);
  margin-bottom: 3px;
  padding-left: 12px;
  line-height: 1.4;
}
.ac-mkp-sub-row::before { content: '–'; color: var(--ac-muted-2); flex-shrink: 0; }
.ac-mkp-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 8px 0;
  padding: 8px 12px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 7px;
  font-size: 11px;
  font-weight: 700;
  color: var(--ac-blue);
  font-family: 'Courier New', monospace;
  letter-spacing: 0.03em;
}
.ac-mkp-formula-arrow { color: var(--ac-muted-2); font-weight: 400; }
/* AI bottom bar */
.ac-mkp-ai-bar {
  border-top: 1px solid var(--ac-border-soft);
  padding: 7px 12px;
  flex-shrink: 0;
  background: #fff;
}
.ac-mkp-ai-input {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 18px;
  margin-bottom: 6px;
}
.ac-mkp-ai-input span { font-size: 10px; color: var(--ac-muted-2); flex: 1; }
.ac-mkp-ai-send {
  width: 20px;
  height: 20px;
  background: var(--ac-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-mkp-ai-send svg { width: 10px; height: 10px; color: #fff; }
.ac-mkp-pills { display: flex; gap: 4px; flex-wrap: wrap; }
.ac-mkp-pill-btn {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 100px;
  font-size: 9px;
  font-weight: 700;
  color: var(--ac-muted);
  white-space: nowrap;
}
.ac-mkp-pill-btn svg { width: 9px; height: 9px; }
/* right panel */
.ac-mkp-right-panel {
  width: 148px;
  flex-shrink: 0;
  border-left: 1px solid var(--ac-border-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
}
.ac-mkp-panel-block {
  padding: 10px;
  border-bottom: 1px solid var(--ac-border-soft);
}
.ac-mkp-panel-title { font-size: 10px; font-weight: 800; color: var(--ac-text); margin-bottom: 7px; }
.ac-mkp-cm-avs { display: flex; flex-wrap: wrap; gap: 3px; margin-bottom: 7px; }
.ac-mkp-cm-av {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 7.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.ac-mkp-req-notes-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 100%;
  padding: 5px 8px;
  background: var(--ac-blue-soft);
  color: var(--ac-blue);
  border-radius: 5px;
  font-size: 9px;
  font-weight: 700;
}
.ac-mkp-req-notes-btn svg { width: 9px; height: 9px; }
.ac-mkp-chat-msg { margin-bottom: 7px; }
.ac-mkp-chat-who { font-size: 8.5px; font-weight: 700; color: var(--ac-text); margin-bottom: 2px; }
.ac-mkp-chat-who small { font-weight: 400; color: var(--ac-muted-2); }
.ac-mkp-chat-bubble {
  font-size: 9px;
  color: var(--ac-muted);
  line-height: 1.45;
  background: var(--ac-bg-soft);
  padding: 4px 6px;
  border-radius: 0 5px 5px 5px;
}
.ac-mkp-attachment {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 6px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 6px;
  margin-top: 7px;
  overflow: hidden;
}
.ac-mkp-attach-icon {
  width: 20px;
  height: 24px;
  background: #ef4444;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-mkp-attach-icon svg { width: 10px; height: 10px; color: #fff; }
.ac-mkp-attach-name { font-size: 8.5px; font-weight: 600; color: var(--ac-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── 9. FEATURE STRIP ──────────────────────────────────────────── */
.ac-features {
  padding: 44px 0;
  background: #fff;
  border-top: 1px solid var(--ac-border-soft);
  border-bottom: 1px solid var(--ac-border-soft);
}
.ac-features__grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 14px;
}
.ac-feat-card {
  padding: 20px 16px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.18s, transform 0.18s;
}
.ac-feat-card:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.ac-feat-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ac-feat-icon svg { width: 21px; height: 21px; }
.ac-feat-icon--blue   { background: var(--ac-blue-soft);   color: var(--ac-blue);   }
.ac-feat-icon--purple { background: var(--ac-purple-soft); color: var(--ac-purple); }
.ac-feat-icon--green  { background: var(--ac-green-soft);  color: var(--ac-green);  }
.ac-feat-icon--orange { background: var(--ac-orange-soft); color: var(--ac-orange); }
.ac-feat-icon--pink   { background: var(--ac-pink-soft);   color: var(--ac-pink);   }
.ac-feat-title { font-size: 14px; font-weight: 800; color: var(--ac-text); line-height: 1.3; }
.ac-feat-desc  { font-size: 12.5px; color: var(--ac-muted); line-height: 1.5; }

/* ─── 10. HOW IT WORKS ──────────────────────────────────────────── */
.ac-how { padding: 88px 0; background: var(--ac-bg-soft); }
.ac-how__head { text-align: center; margin-bottom: 52px; }
.ac-how__steps {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 22px;
  position: relative;
}
.ac-how__steps::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(12.5% + 14px);
  right: calc(12.5% + 14px);
  height: 0;
  border-top: 2px dashed var(--ac-border);
  z-index: 0;
}
.ac-step-card {
  background: #fff;
  border: 1px solid var(--ac-border-soft);
  border-radius: 22px;
  padding: 28px 22px 24px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow 0.18s, transform 0.18s;
}
.ac-step-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.ac-step-top { display: flex; align-items: center; gap: 12px; }
.ac-step-num {
  width: 30px;
  height: 30px;
  background: var(--ac-blue);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-step-ico {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ac-step-ico svg { width: 20px; height: 20px; }
.ac-step-ico--blue   { background: var(--ac-blue-soft);   color: var(--ac-blue);   }
.ac-step-ico--purple { background: var(--ac-purple-soft); color: var(--ac-purple); }
.ac-step-ico--green  { background: var(--ac-green-soft);  color: var(--ac-green);  }
.ac-step-ico--orange { background: var(--ac-orange-soft); color: var(--ac-orange); }
.ac-step-title { font-size: 16px; font-weight: 800; color: var(--ac-text); letter-spacing: -0.02em; }
.ac-step-desc  { font-size: 14px; color: var(--ac-muted); line-height: 1.55; }

/* ─── 11. EVERY CLASS ───────────────────────────────────────────── */
.ac-every { padding: 88px 0; background: #fff; }
.ac-every__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.ac-check-list { display: flex; flex-direction: column; gap: 12px; margin: 22px 0 30px; }
.ac-check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--ac-muted);
  line-height: 1.5;
}
.ac-check-row svg { width: 18px; height: 18px; color: var(--ac-green); flex-shrink: 0; margin-top: 2px; }

/* workspace mockup */
.ac-workspace-mock {
  background: #fff;
  border: 1px solid var(--ac-border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ac-wm-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ac-border-soft);
}
.ac-wm-course { font-size: 13px; font-weight: 800; color: var(--ac-text); }
.ac-wm-tabs-row {
  display: flex;
  border-bottom: 1px solid var(--ac-border-soft);
  padding: 0 16px;
  overflow-x: auto;
}
.ac-wm-tab {
  padding: 9px 10px 8px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--ac-muted-2);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.ac-wm-tab.is-active { color: var(--ac-blue); border-bottom-color: var(--ac-blue); }
.ac-wm-body {
  display: grid;
  grid-template-columns: 155px 1fr;
  min-height: 240px;
}
.ac-wm-sessions { border-right: 1px solid var(--ac-border-soft); padding: 10px; }
.ac-wm-sess-row { padding: 8px 10px; border-radius: 8px; margin-bottom: 4px; }
.ac-wm-sess-row.is-active { background: var(--ac-blue-soft); }
.ac-wm-sess-num { font-size: 9.5px; font-weight: 800; color: var(--ac-blue); margin-bottom: 1px; }
.ac-wm-sess-name { font-size: 11px; font-weight: 700; color: var(--ac-text); }
.ac-wm-sess-date { font-size: 9.5px; color: var(--ac-muted-2); }
.ac-wm-content { padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.ac-wm-block-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 800;
  color: var(--ac-text);
  margin-bottom: 8px;
}
.ac-wm-view-all { font-size: 10px; color: var(--ac-blue); font-weight: 700; }
.ac-wm-ai-box {
  background: var(--ac-blue-soft-2);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 10px;
  color: var(--ac-muted);
  line-height: 1.55;
}
.ac-wm-ai-label { font-size: 9.5px; font-weight: 800; color: var(--ac-blue); margin-bottom: 5px; }
.ac-wm-q-row { font-size: 10.5px; color: var(--ac-muted); padding: 2px 0; }
.ac-wm-q-row::before { content: '· '; color: var(--ac-blue); }
.ac-wm-note-row { display: flex; align-items: center; gap: 7px; font-size: 10.5px; color: var(--ac-muted); padding: 2px 0; }
.ac-wm-av {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 7.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

/* ─── 12. AI BAND ───────────────────────────────────────────────── */
.ac-ai-band {
  padding: 72px 0;
  background: linear-gradient(140deg, #071A44 0%, #0B2E7A 55%, #082B78 100%);
  position: relative;
  overflow: hidden;
}
.ac-ai-band::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(11,99,246,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.ac-ai-band__inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: center;
  position: relative;
}
.ac-ai-band .ac-label { color: rgba(255,255,255,0.45); }
.ac-ai-heading {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.ac-ai-desc { font-size: 16px; color: rgba(255,255,255,0.6); line-height: 1.65; }
.ac-ai-feats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.ac-ai-feat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: background 0.18s;
}
.ac-ai-feat:hover { background: rgba(255,255,255,0.11); }
.ac-ai-feat-ico { width: 36px; height: 36px; border-radius: 9px; display: flex; align-items: center; justify-content: center; }
.ac-ai-feat-ico svg { width: 18px; height: 18px; }
.ac-ai-feat-ico--blue   { background: rgba(11,99,246,0.25); color: #60a5fa; }
.ac-ai-feat-ico--purple { background: rgba(124,58,237,0.25); color: #a78bfa; }
.ac-ai-feat-ico--green  { background: rgba(22,163,74,0.25);  color: #4ade80; }
.ac-ai-feat-ico--orange { background: rgba(249,115,22,0.25); color: #fb923c; }
.ac-ai-feat-ico--pink   { background: rgba(236,72,153,0.25); color: #f472b6; }
.ac-ai-feat-ico--cyan   { background: rgba(6,182,212,0.25);  color: #22d3ee; }
.ac-ai-feat-title { font-size: 13px; font-weight: 700; color: #fff; line-height: 1.35; }

/* ─── 13. CLASSMATES ────────────────────────────────────────────── */
.ac-cls-section { padding: 88px 0; background: #fff; }
.ac-cls-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.ac-cls-cards { display: flex; flex-direction: column; gap: 16px; }
.ac-cls-card {
  background: #fff;
  border: 1px solid var(--ac-border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.ac-cls-card-title { font-size: 14px; font-weight: 800; color: var(--ac-text); margin-bottom: 14px; }
.ac-cm-avs-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.ac-cm-av {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.ac-cm-av--count {
  background: var(--ac-bg-soft);
  color: var(--ac-muted);
  border: 1px solid var(--ac-border-soft);
  font-size: 11px;
}
.ac-req-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: var(--ac-blue-soft);
  color: var(--ac-blue);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
}
.ac-req-btn svg { width: 14px; height: 14px; }
/* share card */
.ac-share-title { font-size: 14px; font-weight: 800; color: var(--ac-text); margin-bottom: 5px; }
.ac-share-desc  { font-size: 13px; color: var(--ac-muted); margin-bottom: 14px; }
.ac-share-link-row { display: flex; gap: 8px; margin-bottom: 14px; }
.ac-share-link {
  flex: 1;
  padding: 9px 12px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 8px;
  font-size: 12px;
  color: var(--ac-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.ac-share-copy-btn {
  padding: 9px 16px;
  background: var(--ac-blue);
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  border: none;
  font-family: inherit;
}
.ac-qr-row { display: flex; gap: 14px; align-items: center; }
.ac-qr-box {
  width: 72px;
  height: 72px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ac-qr-box svg { width: 44px; height: 44px; color: var(--ac-text); }
.ac-share-platform-btns { display: flex; flex-direction: column; gap: 6px; }
.ac-platform-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--ac-bg-soft);
  border: 1px solid var(--ac-border-soft);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ac-text);
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.ac-platform-btn svg { width: 15px; height: 15px; }

/* ─── 14. STUDY CIRCLE ──────────────────────────────────────────── */
.ac-circle { padding: 88px 0; background: linear-gradient(155deg, var(--ac-bg-soft) 0%, #fff 60%); }
.ac-circle__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.ac-friends-mock {
  background: #fff;
  border: 1px solid var(--ac-border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ac-fm-top { padding: 12px 16px; border-bottom: 1px solid var(--ac-border-soft); }
.ac-fm-top-title { font-size: 13px; font-weight: 800; color: var(--ac-text); }
.ac-fm-body { display: grid; grid-template-columns: 100px 1fr; min-height: 220px; }
.ac-fm-nav { border-right: 1px solid var(--ac-border-soft); padding: 8px; }
.ac-fm-nav-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  border-radius: 7px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ac-muted);
  cursor: pointer;
  margin-bottom: 2px;
}
.ac-fm-nav-row svg { width: 11px; height: 11px; }
.ac-fm-nav-row.is-active { background: var(--ac-blue-soft); color: var(--ac-blue); }
.ac-fm-content { padding: 12px; }
.ac-fm-sub-title { font-size: 10.5px; font-weight: 800; color: var(--ac-text); margin-bottom: 8px; }
.ac-fm-online-row { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.ac-fm-online-item { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.ac-fm-av {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
}
.ac-fm-dot {
  width: 8px;
  height: 8px;
  background: var(--ac-green);
  border: 2px solid #fff;
  border-radius: 50%;
  position: absolute;
  bottom: 0;
  right: 0;
}
.ac-fm-av-name { font-size: 8.5px; color: var(--ac-muted-2); font-weight: 600; }
.ac-fm-chat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 8px;
  margin-bottom: 3px;
}
.ac-fm-chat-av {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 9.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.ac-fm-chat-info { flex: 1; min-width: 0; }
.ac-fm-chat-name { font-size: 10.5px; font-weight: 700; color: var(--ac-text); }
.ac-fm-chat-preview { font-size: 9.5px; color: var(--ac-muted-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-fm-chat-time { font-size: 9px; color: var(--ac-muted-2); }
/* illustration */
.ac-circle-illus { display: flex; align-items: center; justify-content: center; }
.ac-illus-card {
  width: 200px;
  height: 260px;
  background: linear-gradient(145deg, var(--ac-blue-soft) 0%, var(--ac-purple-soft) 100%);
  border-radius: 28px;
  border: 1px solid var(--ac-border-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
}
.ac-illus-icon-ring {
  width: 80px;
  height: 80px;
  background: rgba(11,99,246,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ac-illus-icon-ring svg { width: 40px; height: 40px; color: var(--ac-blue); }
.ac-illus-text { font-size: 14px; font-weight: 700; color: var(--ac-blue); text-align: center; line-height: 1.4; }
.ac-illus-sub { font-size: 12px; color: var(--ac-muted); text-align: center; line-height: 1.4; }

/* ─── 15. ACCURATE SESSIONS ─────────────────────────────────────── */
.ac-sessions { padding: 88px 0; background: var(--ac-bg-soft); }
.ac-sessions-card {
  background: #fff;
  border: 1px solid var(--ac-border);
  border-radius: 26px;
  padding: 52px;
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 64px;
  align-items: center;
}
.ac-sess-ico {
  width: 56px;
  height: 56px;
  background: var(--ac-blue-soft);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.ac-sess-ico svg { width: 28px; height: 28px; color: var(--ac-blue); }
.ac-sess-heading {
  font-size: 26px;
  font-weight: 800;
  color: var(--ac-text);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.ac-sess-desc { font-size: 15px; color: var(--ac-muted); line-height: 1.65; }
.ac-sess-timeline { display: flex; align-items: center; }
.ac-sess-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.ac-sess-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  left: 58%;
  right: -42%;
  height: 0;
  border-top: 2px dashed var(--ac-border);
}
.ac-sess-box {
  background: #fff;
  border: 1.5px solid var(--ac-border);
  border-radius: 14px;
  padding: 12px 14px;
  text-align: center;
  min-width: 88px;
  position: relative;
  z-index: 1;
}
.ac-sess-box.is-active { border-color: var(--ac-blue); background: var(--ac-blue-soft); }
.ac-sess-box.is-dim { opacity: 0.65; }
.ac-sess-box-num { font-size: 12px; font-weight: 800; color: var(--ac-text); margin-bottom: 3px; }
.ac-sess-box.is-active .ac-sess-box-num { color: var(--ac-blue); }
.ac-sess-box-date { font-size: 11px; color: var(--ac-muted-2); margin-bottom: 7px; }
.ac-sess-chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
}
.ac-sess-chip--done    { background: var(--ac-green-soft);  color: var(--ac-green);  }
.ac-sess-chip--noclass { background: var(--ac-orange-soft); color: var(--ac-orange); }
.ac-sess-chip--next    { background: var(--ac-blue);        color: #fff; }
.ac-sess-chip--holiday { background: var(--ac-bg-soft);     color: var(--ac-muted);  border: 1px solid var(--ac-border-soft); }

/* ─── 16. FINAL CTA ─────────────────────────────────────────────── */
.ac-final {
  padding: 80px 0;
  background: linear-gradient(130deg, #0A2FA0 0%, var(--ac-blue) 55%, #1a6fff 100%);
  position: relative;
  overflow: hidden;
}
.ac-final::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -5%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.ac-final::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.ac-final__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
}
.ac-final__heading {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 12px;
}
.ac-final__sub { font-size: 17px; color: rgba(255,255,255,0.68); }
.ac-final__btns { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* ─── 17. FOOTER ────────────────────────────────────────────────── */
.ac-footer { background: var(--ac-navy); padding: 60px 0 32px; }
.ac-footer__top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 80px;
  margin-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding-bottom: 48px;
}
.ac-footer-logo .ac-logo__name { color: #fff; }
.ac-footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  margin-top: 10px;
  max-width: 200px;
}
.ac-footer-social { display: flex; gap: 8px; margin-top: 22px; }
.ac-soc-link {
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.45);
  transition: all 0.15s;
}
.ac-soc-link:hover { background: var(--ac-blue); color: #fff; border-color: var(--ac-blue); }
.ac-soc-link svg { width: 15px; height: 15px; }
.ac-footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.ac-footer-col h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.ac-footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.ac-footer-col a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color 0.15s; }
.ac-footer-col a:hover { color: #fff; }
.ac-newsletter { display: flex; gap: 8px; }
.ac-newsletter input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  color: #fff;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  min-width: 0;
}
.ac-newsletter input::placeholder { color: rgba(255,255,255,0.3); }
.ac-newsletter input:focus { border-color: var(--ac-blue); }
.ac-newsletter-btn {
  width: 40px;
  height: 40px;
  background: var(--ac-blue);
  border: none;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
}
.ac-newsletter-btn svg { width: 18px; height: 18px; }
.ac-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.ac-footer__copy { font-size: 12px; color: rgba(255,255,255,0.28); }
.ac-footer__legal { display: flex; gap: 22px; }
.ac-footer__legal a { font-size: 12px; color: rgba(255,255,255,0.35); transition: color 0.15s; }
.ac-footer__legal a:hover { color: #fff; }

/* ─── 18. RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .ac-features__grid { grid-template-columns: repeat(3, 1fr); }
  .ac-ai-band__inner { grid-template-columns: 1fr; gap: 40px; }
  .ac-ai-feats { grid-template-columns: repeat(3, 1fr); }
  .ac-circle__inner { grid-template-columns: 1fr 1fr; }
  .ac-circle-illus { display: none; }
}
@media (max-width: 900px) {
  .ac-hero { padding: 56px 0 44px; }
  .ac-hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .ac-hero__h1 { font-size: 46px; }
  .ac-hero__right { display: none; }
  .ac-how__steps { grid-template-columns: repeat(2, 1fr); }
  .ac-how__steps::before { display: none; }
  .ac-every__inner { grid-template-columns: 1fr; gap: 40px; }
  .ac-cls-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .ac-circle__inner { grid-template-columns: 1fr; gap: 40px; }
  .ac-circle-illus { display: none; }
  .ac-sessions-card { grid-template-columns: 1fr; gap: 36px; padding: 36px; }
  .ac-sess-timeline { overflow-x: auto; gap: 12px; }
  .ac-sess-item:not(:last-child)::after { display: none; }
  .ac-final__inner { flex-direction: column; align-items: flex-start; }
  .ac-final__heading { font-size: 32px; }
  .ac-final__btns { flex-wrap: wrap; }
  .ac-footer__top { grid-template-columns: 1fr; gap: 36px; }
  .ac-footer__cols { grid-template-columns: repeat(2, 1fr); }
  .ac-section-title { font-size: 30px; }
  .ac-ai-heading { font-size: 28px; }
}
@media (max-width: 640px) {
  .ac-container { padding: 0 20px; }
  .ac-hero__h1 { font-size: 38px; }
  .ac-features__grid { grid-template-columns: repeat(2, 1fr); }
  .ac-how__steps { grid-template-columns: 1fr; }
  .ac-ai-feats { grid-template-columns: repeat(2, 1fr); }
  .ac-footer__cols { grid-template-columns: 1fr; }
  .ac-final__btns { flex-direction: column; align-items: stretch; }
  .ac-btn--lg { text-align: center; justify-content: center; }
  .ac-sessions-card { padding: 24px; }
  .ac-sess-timeline { gap: 8px; }
}