/* =========================================================
   LANDING PAGE — aiteacher.molishabrandbuilder.in
   Marketing/homepage styles, built on top of style.css tokens.
   ========================================================= */

.landing { overflow-x: hidden; }

.landing-nav {
    position: sticky; top: 0; z-index: 80;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    border-bottom: 3px solid var(--ink);
}
.landing-nav-inner {
    max-width: 1180px; margin: 0 auto; padding: 14px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.landing-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.landing-brand .logo-badge { width: 42px; height: 42px; font-size: 1.4rem; margin: 0; transform: rotate(-6deg); }
.landing-nav-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.landing-nav-links a.btn-ghost { border-color: transparent; }

/* ---------- Hero ---------- */
.landing-hero {
    position: relative;
    background:
        radial-gradient(circle at 12% 18%, rgba(255,201,60,0.35), transparent 40%),
        radial-gradient(circle at 88% 12%, rgba(46,196,182,0.30), transparent 42%),
        linear-gradient(135deg, #EAF4FD 0%, #F6EFFC 55%, #FFF7E8 100%);
    border-bottom: 3px solid var(--ink);
    padding: 56px 20px 70px;
}
.landing-hero-inner {
    max-width: 1180px; margin: 0 auto;
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 46px; align-items: center;
}
.landing-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--white); border: 2.5px solid var(--ink); border-radius: 999px;
    padding: 6px 14px; font-size: 0.82rem; font-weight: 700; color: var(--ink-soft);
    box-shadow: var(--shadow-sm); margin-bottom: 18px;
}
.landing-hero h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.1rem);
    line-height: 1.12; margin-bottom: 16px;
}
.landing-hero h1 .accent { color: var(--sky-dark); }
.landing-hero h1 .accent2 { color: var(--coral); }
.landing-hero p.lead {
    font-size: 1.12rem; color: var(--ink-soft); max-width: 52ch; margin-bottom: 26px;
}
.landing-cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.landing-cta-row .btn { padding: 14px 26px; font-size: 1.02rem; }
.landing-trust { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 0.86rem; color: var(--ink-soft); font-weight: 600; }
.landing-trust span { display: flex; align-items: center; gap: 6px; }

/* Hero visual: chat mockup */
.landing-hero-visual { position: relative; }
.hero-mock-card {
    background: var(--white); border: 3px solid var(--ink); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); padding: 20px; max-width: 420px; margin: 0 auto;
    transform: rotate(1.5deg);
}
.hero-mock-teacher { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.hero-mock-teacher .teacher-avatar { width: 56px; height: 56px; animation: teacherIdle 3.2s ease-in-out infinite; }
.hero-mock-teacher .name { font-family: var(--font-display); font-weight: 800; font-size: 0.95rem; }
.hero-mock-teacher .status { font-size: 0.78rem; color: var(--leaf); font-weight: 700; }
.hero-mock-bubble {
    border: 2.5px solid var(--ink); border-radius: var(--radius); padding: 10px 14px;
    font-size: 0.88rem; line-height: 1.5; margin-bottom: 10px;
}
.hero-mock-bubble.ai { background: var(--paper-2); border-bottom-left-radius: 4px; max-width: 90%; }
.hero-mock-bubble.kid { background: var(--sky); color: var(--white); border-bottom-right-radius: 4px; max-width: 78%; margin-left: auto; }
.hero-mock-inputbar {
    display: flex; align-items: center; gap: 8px; margin-top: 14px;
    border: 2.5px solid var(--ink); border-radius: var(--radius-sm); padding: 8px 12px;
    background: var(--paper-2); font-size: 0.82rem; color: var(--ink-soft);
}
.hero-mock-inputbar .mic { width: 30px; height: 30px; border-radius: 50%; background: var(--coral); color: var(--white); display: flex; align-items: center; justify-content: center; flex-shrink: 0; animation: micPulse 1.6s infinite; }
.hero-float-chip {
    position: absolute; background: var(--white); border: 2.5px solid var(--ink); border-radius: var(--radius-sm);
    padding: 8px 12px; font-size: 0.78rem; font-weight: 700; box-shadow: var(--shadow-sm);
    display: flex; align-items: center; gap: 6px;
}
.chip-voice { top: -14px; right: 6%; background: var(--sun); animation: floatChip 3.6s ease-in-out infinite; }
.chip-book { bottom: 6%; left: -22px; background: var(--mint); color: var(--white); animation: floatChip 4.2s ease-in-out infinite 0.4s; }
@keyframes floatChip { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-8px) rotate(2deg); } }

/* ---------- Section shells ---------- */
.landing-section { padding: 70px 20px; }
.landing-section-inner { max-width: 1180px; margin: 0 auto; }
.landing-section.alt { background: var(--white); border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.landing-heading { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.landing-heading .tag { display: inline-block; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--sky-dark); margin-bottom: 10px; }
.landing-heading h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 10px; }
.landing-heading p { color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- Features grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
    background: var(--white); border: 2.5px solid var(--ink); border-radius: var(--radius);
    padding: 24px 22px; box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-card .icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 14px; border: 2.5px solid var(--ink);
}
.feature-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }
.icon-sky { background: #DDEEFB; }
.icon-mint { background: #DAF4F1; }
.icon-sun  { background: #FFF3D0; }
.icon-coral{ background: #FFE3E0; }
.icon-grape{ background: #EEE4FB; }
.icon-leaf { background: #E8F5DA; }

/* ---------- Steps ---------- */
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step-card { position: relative; padding: 28px 22px 22px; background: var(--paper-2); border: 2.5px dashed var(--line); border-radius: var(--radius); }
.step-num {
    width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--white);
    display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800;
    margin-bottom: 14px;
}
.step-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.step-card p { color: var(--ink-soft); font-size: 0.9rem; margin: 0; }

/* ---------- Roles ---------- */
.role-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; }
.role-card {
    background: var(--white); border: 2.5px solid var(--ink); border-radius: var(--radius-lg);
    padding: 26px; text-align: center; box-shadow: var(--shadow-sm);
}
.role-card .emoji { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.role-card h3 { margin-bottom: 6px; }
.role-card p { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 16px; min-height: 44px; }

/* ---------- Testimonials ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi-card { background: var(--paper-2); border: 2.5px solid var(--line); border-radius: var(--radius); padding: 22px; }
.testi-card .stars { color: var(--sun); letter-spacing: 2px; margin-bottom: 10px; }
.testi-card p.quote { font-size: 0.95rem; color: var(--ink); margin-bottom: 16px; line-height: 1.6; }
.testi-who { display: flex; align-items: center; gap: 10px; }
.testi-who .avatar-chip { width: 38px; height: 38px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; border: 2px solid var(--ink); }
.testi-who .who-name { font-weight: 800; font-size: 0.88rem; }
.testi-who .who-meta { font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- CTA banner ---------- */
.landing-cta-banner {
    background: linear-gradient(120deg, var(--sky) 0%, var(--grape) 100%);
    border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink);
    padding: 56px 20px; text-align: center; color: var(--white);
}
.landing-cta-banner h2 { color: var(--white); font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 10px; }
.landing-cta-banner p { color: rgba(255,255,255,0.92); margin-bottom: 24px; font-size: 1.02rem; }
.landing-cta-banner .btn { padding: 14px 28px; font-size: 1.02rem; }
.landing-cta-banner .btn-primary { background: var(--sun); color: var(--ink); border-color: var(--ink); }

/* ---------- Footer ---------- */
.landing-footer { background: var(--ink); color: #C6D1E6; padding: 40px 20px 24px; }
.landing-footer-inner { max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.landing-footer .landing-brand { color: var(--white); }
.landing-footer .landing-brand .logo-badge { background: var(--sun); }
.landing-footer p.tagline { color: #9AA9C6; font-size: 0.88rem; max-width: 36ch; margin-top: 8px; }
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 12px; }
.footer-col a { display: block; color: #C6D1E6; font-size: 0.9rem; margin-bottom: 8px; }
.footer-col a:hover { color: var(--white); }
.landing-footer-bottom { max-width: 1180px; margin: 30px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.8rem; color: #8494B4; text-align: center; }

/* ---------- Registration section ---------- */
.register-wrap {
    max-width: 640px; margin: 0 auto;
    background: var(--white); border: 2.5px solid var(--ink); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); padding: 28px 26px;
}
.register-note {
    display: flex; gap: 10px; align-items: flex-start;
    background: #E9F3FC; border: 2px solid var(--sky); border-radius: var(--radius-sm);
    padding: 12px 14px; font-size: 0.86rem; color: var(--ink-soft); margin-bottom: 20px;
}
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 6px 0 18px; }
.plan-card {
    position: relative; cursor: pointer;
    border: 2.5px solid var(--line); border-radius: var(--radius); padding: 14px 10px;
    text-align: center; transition: border-color .15s, transform .15s, background .15s;
    background: var(--paper);
}
.plan-card:hover { transform: translateY(-2px); }
.plan-card input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.plan-card .plan-name { font-family: var(--font-display); font-weight: 800; font-size: 0.86rem; color: var(--ink-soft); }
.plan-card .plan-price { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; color: var(--ink); margin: 4px 0; }
.plan-card .plan-sub { font-size: 0.72rem; color: var(--ink-soft); }
.plan-card .plan-badge {
    position: absolute; top: -10px; right: 8px; background: var(--coral); color: var(--white);
    font-size: 0.62rem; font-weight: 800; padding: 2px 8px; border-radius: 100px; border: 2px solid var(--ink);
}
.plan-card:has(input:checked) { border-color: var(--sky); background: #EAF4FD; box-shadow: 0 0 0 3px rgba(62,146,204,0.18); }
.register-form .field { margin-bottom: 14px; }
.register-form label { display: block; font-weight: 700; font-size: 0.86rem; margin-bottom: 5px; color: var(--ink); }
.register-form input, .register-form select, .register-form textarea {
    width: 100%; border: 2px solid var(--line); border-radius: var(--radius-sm);
    padding: 10px 12px; font-family: var(--font-body); font-size: 0.94rem; color: var(--ink); background: var(--white);
}
.register-form input:focus, .register-form select:focus, .register-form textarea:focus { border-color: var(--sky); outline: none; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
    .landing-hero-inner { grid-template-columns: 1fr; }
    .landing-hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
    .feature-grid, .steps-row, .role-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .landing-nav-links .btn-sm.hide-mobile { display: none; }
    .feature-grid, .steps-row, .role-grid, .testi-grid { grid-template-columns: 1fr; }
    .landing-cta-row { flex-direction: column; }
    .landing-cta-row .btn { width: 100%; text-align: center; }
    .landing-trust { flex-direction: column; align-items: flex-start; gap: 8px; }
    .landing-footer-inner { flex-direction: column; }
    .register-wrap { padding: 20px 16px; }
    .plan-grid { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
    .plan-card { padding: 10px 6px; }
    .plan-card .plan-price { font-size: 1.02rem; }
}

/* ---------- Mobile-app text scale (thoda chota, sahi dikhne ke liye) ---------- */
@media (max-width: 640px) {
    .landing-hero h1 { font-size: clamp(1.55rem, 6.5vw, 2rem); }
    .landing-hero p.lead { font-size: 0.96rem; }
    .landing-eyebrow { font-size: 0.72rem; padding: 5px 11px; }
    .landing-heading h2 { font-size: clamp(1.25rem, 5vw, 1.6rem); }
    .landing-heading p { font-size: 0.9rem; }
    .feature-card h3 { font-size: 0.98rem; }
    .feature-card p { font-size: 0.85rem; }
    .role-card p { font-size: 0.84rem; min-height: 0; }
    .testi-card p.quote { font-size: 0.88rem; }
    .landing-cta-banner h2 { font-size: clamp(1.15rem, 5vw, 1.4rem); }
    .landing-cta-banner p { font-size: 0.9rem; }
}