/* ============================================================
   TrainLytics — Coach Registration Landing Page (Light)
   Matches main app styling (Inter, light premium UI)
   ============================================================ */

:root {
    --primary: #C8102E;
    --primary-light: #E63946;
    --primary-dark: #A00D24;
    --primary-glow: rgba(200,16,46,0.12);
    --accent: #1D1D1F;
    --danger: #FF3B30;
    --success: #34C759;
    --warning: #FF9500;
    --blue: #007AFF;
    --bg-body: #F5F5F7;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FAFAFA;
    --bg-input: #FFFFFF;
    --bg-elevated: #F0F0F5;
    --border: rgba(0,0,0,0.10);
    --border-light: rgba(0,0,0,0.16);
    --text: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-tertiary: #AEAEB2;
    --text-muted: #8E8E93;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.08);
    --shadow: 0 4px 24px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
    --transition: 0.18s cubic-bezier(0.25,0.1,0.25,1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #FF3B57;
        --primary-light: #FF5C73;
        --primary-dark: #C8102E;
        --primary-glow: rgba(255,59,87,0.18);
        --bg-body: #0B0B0D;
        --bg-card: #17171A;
        --bg-card-hover: #1F1F23;
        --bg-input: #1A1A1D;
        --bg-elevated: #232327;
        --border: rgba(255,255,255,0.10);
        --border-light: rgba(255,255,255,0.18);
        --text: #F5F5F7;
        --text-secondary: #C7C7CC;
        --text-tertiary: #8E8E93;
        --text-muted: #98989D;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.50), 0 1px 2px rgba(0,0,0,0.40);
        --shadow: 0 4px 24px rgba(0,0,0,0.55), 0 2px 6px rgba(0,0,0,0.40);
        --shadow-lg: 0 24px 64px rgba(0,0,0,0.7), 0 8px 20px rgba(0,0,0,0.5);
    }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--bg-body);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ============ NAV ============ */
.reg-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    background: rgba(255,255,255,0.78);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 32px;
}
@media (prefers-color-scheme: dark) {
    .reg-nav { background: rgba(11,11,13,0.78); }
}
.reg-nav-inner { max-width: 1280px; margin: 0 auto; width: 100%; display: flex; align-items: center; justify-content: space-between; }
.reg-nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -0.3px;
    color: var(--text);
}
.reg-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}
.reg-nav-links a:hover { color: var(--text); }
.reg-nav-login {
    padding: 8px 16px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    color: var(--text) !important;
    transition: all var(--transition);
    background: var(--bg-card);
}
.reg-nav-login:hover { border-color: var(--primary); color: var(--primary) !important; }

/* ============ HERO ============ */
.reg-hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 32px 100px;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}
.reg-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-glow);
    color: var(--primary);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.reg-hero h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 22px;
    color: var(--text);
}
.reg-grad {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.reg-hero-sub {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 36px;
    max-width: 520px;
}
.reg-hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.btn-pri-lg {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 26px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 8px 22px var(--primary-glow);
}
.btn-pri-lg:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 12px 28px var(--primary-glow); }
.btn-pri-lg:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-sec-lg {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 26px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-sec-lg:hover:not(:disabled) { background: var(--bg-card-hover); border-color: var(--primary); color: var(--primary); }
.btn-sec-lg:disabled { opacity: 0.5; cursor: not-allowed; }
.reg-trust {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}
.reg-trust span { display: inline-flex; align-items: center; gap: 4px; }

/* ============ HERO MOCKUP ============ */
.reg-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.reg-mockup {
    width: 100%;
    max-width: 460px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
    transition: transform 0.5s;
}
.reg-mockup:hover { transform: perspective(1200px) rotateY(-2deg) rotateX(0deg); }
.reg-mockup-top {
    display: flex;
    gap: 6px;
    padding: 12px 14px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}
.reg-mockup-top .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--text-tertiary); opacity: 0.5; }
.reg-mockup-top .dot:first-child { background: #FF5F57; opacity: 0.95; }
.reg-mockup-top .dot:nth-child(2) { background: #FEBC2E; opacity: 0.95; }
.reg-mockup-top .dot:nth-child(3) { background: #28C840; opacity: 0.95; }
.reg-mockup-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.reg-mock-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
}
.reg-mock-label { font-size: 10px; color: var(--text-secondary); font-weight: 700; letter-spacing: 1.2px; margin-bottom: 10px; }
.reg-mock-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 6px 0; font-size: 14px; color: var(--text);
    border-bottom: 1px solid var(--border);
}
.reg-mock-row:last-child { border-bottom: none; }
.reg-mock-val { color: var(--primary); font-weight: 700; }
.reg-mock-bars { display: flex; align-items: flex-end; gap: 6px; height: 80px; }
.reg-mock-bars .bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 4px 4px 0 0;
    min-height: 8px;
}

/* ============ SECTIONS ============ */
.reg-section { max-width: 1180px; margin: 0 auto; padding: 90px 32px; }
.reg-section-alt {
    background: var(--bg-card);
    max-width: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.reg-section-alt > * { max-width: 1180px; margin-left: auto; margin-right: auto; }
.reg-section-alt > h2, .reg-section-alt > p { padding: 0 32px; }
.reg-section-title {
    font-size: 42px; font-weight: 800; letter-spacing: -1px;
    text-align: center; margin-bottom: 12px; color: var(--text);
}
.reg-section-sub { text-align: center; color: var(--text-secondary); font-size: 17px; margin-bottom: 56px; }

/* ============ FEATURES ============ */
.reg-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.reg-feat {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 16px; padding: 28px 24px;
    transition: all var(--transition); box-shadow: var(--shadow-sm);
}
.reg-feat:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.reg-feat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.reg-feat h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.3px; color: var(--text); }
.reg-feat p { font-size: 14px; color: var(--text-secondary); line-height: 1.55; }

/* ============ PRICING ============ */
.reg-price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.reg-price {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 18px; padding: 36px 28px; position: relative;
    display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
}
.reg-price-featured { border-color: var(--primary); box-shadow: 0 12px 40px var(--primary-glow); }
.reg-price-tag {
    position: absolute; top: -10px; left: 24px;
    padding: 5px 12px; background: var(--primary); color: white;
    font-size: 10px; font-weight: 700; letter-spacing: 1px; border-radius: 6px;
}
.reg-price-tag-soon { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border-light); }
.reg-price h3 { font-size: 24px; font-weight: 700; margin-bottom: 14px; letter-spacing: -0.3px; color: var(--text); }
.reg-price-num { display: flex; align-items: baseline; gap: 6px; margin-bottom: 24px; }
.reg-price-amt { font-size: 44px; font-weight: 800; letter-spacing: -1.5px; color: var(--text); }
.reg-price-per { color: var(--text-secondary); font-size: 14px; }
.reg-price-feat { list-style: none; margin-bottom: 28px; flex: 1; }
.reg-price-feat li { padding: 8px 0; font-size: 14px; color: var(--text); border-bottom: 1px solid var(--border); }
.reg-price-feat li:last-child { border-bottom: none; }
.reg-price-soon { opacity: 0.75; }

/* ============ REGISTER FORM ============ */
.reg-section-form { padding: 90px 32px; }
.reg-form-wrap {
    display: grid; grid-template-columns: 1fr 1.1fr;
    gap: 60px; align-items: start;
    max-width: 1080px; margin: 0 auto;
}
.reg-form-info { padding-top: 30px; }
.reg-form-info h2 { font-size: 38px; font-weight: 800; letter-spacing: -1px; margin-bottom: 14px; line-height: 1.1; color: var(--text); }
.reg-form-info p { font-size: 17px; color: var(--text-secondary); margin-bottom: 28px; }
.reg-form-bullets { list-style: none; display: flex; flex-direction: column; gap: 12px; font-size: 15px; color: var(--text); }
.reg-form-bullets li { display: flex; align-items: center; gap: 10px; }
.reg-form-bullets .check {
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--primary-glow); color: var(--primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.reg-form-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 18px; padding: 36px 32px; box-shadow: var(--shadow-lg);
}
.reg-form-title { font-size: 22px; font-weight: 700; margin-bottom: 24px; letter-spacing: -0.3px; color: var(--text); }
.reg-field { margin-bottom: 18px; }
.reg-field label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.reg-label-opt { font-weight: 500 !important; }
.reg-label-opt span { color: var(--text-muted); font-weight: 400; }
.reg-field input {
    width: 100%; padding: 12px 14px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 10px; color: var(--text); font-size: 15px;
    font-family: inherit; transition: all var(--transition);
}
.reg-field input:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.reg-field input::placeholder { color: var(--text-tertiary); }
.reg-hint { font-size: 12px; color: var(--text-muted); margin-top: 5px; }
.reg-check {
    display: flex; align-items: flex-start; gap: 10px;
    margin: 18px 0 8px; font-size: 13px; color: var(--text-secondary);
    line-height: 1.45; cursor: pointer;
}
.reg-check input { width: 18px; height: 18px; accent-color: var(--primary); margin-top: 1px; flex-shrink: 0; cursor: pointer; }
.reg-status { font-size: 13px; min-height: 18px; margin: 8px 0; color: var(--text-muted); }
.reg-status-err { color: var(--danger); }
.reg-status-ok { color: var(--success); }
.reg-status-info { color: var(--blue); }
.reg-submit { width: 100%; justify-content: center; margin-top: 8px; }
.reg-form-foot { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-secondary); }
.reg-form-foot a { color: var(--primary); font-weight: 600; }

/* ============ FAQ ============ */
.reg-faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.reg-faq-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 18px 22px;
    transition: background var(--transition); box-shadow: var(--shadow-sm);
}
.reg-faq-item:hover { background: var(--bg-card-hover); }
.reg-faq-item summary {
    cursor: pointer; font-weight: 600; font-size: 15px; color: var(--text);
    list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.reg-faq-item summary::-webkit-details-marker { display: none; }
.reg-faq-item summary::after {
    content: '+'; font-size: 22px; font-weight: 300;
    color: var(--text-muted); transition: transform 0.2s;
}
.reg-faq-item[open] summary::after { transform: rotate(45deg); }
.reg-faq-item p { margin-top: 12px; font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.reg-faq-item code { background: var(--bg-elevated); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--primary); }

/* ============ FOOTER ============ */
.reg-footer { border-top: 1px solid var(--border); padding: 32px; background: var(--bg-card); }
.reg-footer-inner {
    max-width: 1180px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 16px;
}
.reg-footer-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; color: var(--text); }
.reg-footer-text { font-size: 13px; color: var(--text-secondary); }
.reg-footer-links { display: flex; gap: 24px; font-size: 13px; color: var(--text-secondary); }
.reg-footer-links a:hover { color: var(--text); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
    .reg-hero { grid-template-columns: 1fr; gap: 50px; padding: 50px 24px 70px; }
    .reg-hero h1 { font-size: 44px; letter-spacing: -1.5px; }
    .reg-hero-sub { font-size: 16px; }
    .reg-hero-visual { order: -1; }
    .reg-mockup { transform: none; max-width: 380px; }
    .reg-mockup:hover { transform: none; }
    .reg-feat-grid { grid-template-columns: repeat(2, 1fr); }
    .reg-form-wrap { grid-template-columns: 1fr; gap: 32px; }
    .reg-form-info { padding-top: 0; }
    .reg-form-info h2 { font-size: 30px; }
    .reg-section { padding: 60px 24px; }
    .reg-section-form { padding: 60px 24px; }
    .reg-section-title { font-size: 32px; }
    .reg-section-alt > h2, .reg-section-alt > p { padding: 0 24px; }
}
@media (max-width: 640px) {
    .reg-nav { padding: 12px 18px; }
    .reg-nav-links { gap: 14px; }
    .reg-nav-links a:not(.reg-nav-login) { display: none; }
    .reg-hero { padding: 36px 18px 50px; }
    .reg-hero h1 { font-size: 36px; }
    .reg-hero-cta { flex-direction: column; align-items: stretch; }
    .btn-pri-lg, .btn-sec-lg { justify-content: center; }
    .reg-feat-grid { grid-template-columns: 1fr; }
    .reg-price-grid { grid-template-columns: 1fr; }
    .reg-form-card { padding: 24px 20px; }
    .reg-section { padding: 50px 18px; }
    .reg-section-form { padding: 50px 18px; }
    .reg-section-title { font-size: 26px; }
    .reg-form-info h2 { font-size: 26px; }
    .reg-section-alt > h2, .reg-section-alt > p { padding: 0 18px; }
    .reg-trust { flex-direction: column; gap: 6px; }
}