/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:        #0d0f0e;
    --bg-dark:   #080a09;
    --bg-card:   #141916;
    --border:    #1e2820;
    --gold:      #c8a84b;
    --gold-dim:  #9c7d30;
    --green:     #2a7a3b;
    --green-bright: #3dba58;
    --text:      #d4cfc4;
    --text-dim:  #7a7568;
    --red:       #c03030;
    --radius:    10px;
    --font:      'Segoe UI', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.accent { color: var(--gold); }

/* ===== HEADER ===== */
header {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ruble-icon {
    font-size: 2.5rem;
    color: var(--gold);
    line-height: 1;
}

.logo h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-dim);
}

nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover { color: var(--gold); text-decoration: none; }

/* ===== HERO ===== */
.hero {
    background: linear-gradient(160deg, #0d1a10 0%, #0d0f0e 60%);
    border-bottom: 1px solid var(--border);
    padding: 5rem 1.5rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    background: var(--red);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1.25rem;
}

.hero-content h2 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--text);
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero-fine {
    margin-top: 0.75rem;
    font-size: 0.78rem;
    color: var(--text-dim);
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-width: 180px;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold);
}

.stat-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-block;
    background: var(--gold);
    color: #0d0f0e;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    text-decoration: none;
}

.btn-primary:hover {
    background: #e0bf60;
    transform: translateY(-1px);
    text-decoration: none;
    color: #0d0f0e;
}

.btn-large {
    font-size: 1.05rem;
    padding: 1rem 2rem;
    width: 100%;
    margin-top: 0.5rem;
}

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; }
.section-dark { background: var(--bg-dark); }

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
    text-align: center;
}

.section-sub {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 3rem;
    font-size: 1rem;
}

/* ===== PAIN POINTS ===== */
.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.pain-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: border-color 0.2s;
}

.pain-card:hover { border-color: var(--gold-dim); }

.pain-emoji { font-size: 1.75rem; flex-shrink: 0; }

.pain-card p { font-size: 0.95rem; color: var(--text); }

/* ===== MODULES ===== */
.modules {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2.5rem;
}

.module {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: border-color 0.2s;
}

.module:hover { border-color: var(--gold-dim); }

.module-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    flex-shrink: 0;
    width: 2.5rem;
}

.module-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}

.module-content p {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 0.6rem;
}

.module-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background: var(--green);
    color: #d4ffdf;
}

/* ===== INSTRUCTOR ===== */
.instructor-card {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-top: 2.5rem;
}

.instructor-avatar {
    font-size: 5rem;
    line-height: 1;
    flex-shrink: 0;
}

.instructor-info h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.25rem;
}

.instructor-title {
    font-size: 0.85rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.instructor-info p {
    color: var(--text);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.instructor-creds {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.instructor-creds span {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ===== SIGNUP FORM ===== */
.signup-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    margin-top: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
    margin-bottom: 1rem;
}

label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.65rem 0.9rem;
    transition: border-color 0.2s;
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--gold-dim);
}

select option { background: var(--bg-dark); }

textarea { resize: vertical; }

.checkbox-group { margin-bottom: 0.75rem; }

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.15rem;
    flex-shrink: 0;
    accent-color: var(--gold);
}

/* ===== SUCCESS BANNER ===== */
.success-banner {
    background: #0e2a14;
    border: 1px solid var(--green);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.success-banner div { font-size: 1rem; }
.success-banner strong { color: var(--green-bright); display: block; margin-bottom: 0.25rem; }
.success-banner p { color: var(--text-dim); font-size: 0.9rem; }

/* ===== PRICING ===== */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2.5rem;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    transition: border-color 0.2s;
}

.pricing-card:hover { border-color: var(--gold-dim); }

.pricing-card--featured {
    border-color: var(--gold-dim);
    background: #141a10;
}

.pricing-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: #0d0f0e;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    padding: 0.25rem 0.85rem;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.pricing-tier-label {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.25rem;
}

.pricing-desc {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.4;
}

.pricing-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
    white-space: nowrap;
    flex-shrink: 0;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text);
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.1rem 0;
}

.pricing-features li.no { color: var(--text-dim); }

.btn-tier {
    display: block;
    text-align: center;
    background: transparent;
    border: 1px solid var(--gold-dim);
    color: var(--gold);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.65rem 1rem;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
    margin-top: auto;
}

.btn-tier:hover {
    background: var(--gold);
    color: #0d0f0e;
    text-decoration: none;
}

.pricing-card--featured .btn-tier {
    background: var(--gold);
    color: #0d0f0e;
}

.pricing-card--featured .btn-tier:hover {
    background: #e0bf60;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 3rem 1.5rem;
    }
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .stat { flex: 1; min-width: 130px; }
    .form-row { grid-template-columns: 1fr; }
    .instructor-card { flex-direction: column; align-items: center; text-align: center; }
    .instructor-creds { justify-content: center; }
    .module { flex-direction: column; gap: 0.75rem; }
    .pricing-cards { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
    .pricing-card-header { flex-direction: row; }
}