/* ================= BOOK SESSION PAGE ================= */

.book-session-page {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ================= HERO ================= */

.book-session-hero-card,
.book-session-cta-card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* navbar positioning */
.book-session-hero-card .hero-nav-tab {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
}

.book-session-hero-card .mobile-menu-tab {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 21;
}

.book-session-hero-card .mobile-nav-menu {
    position: absolute;
    top: 58px;
    right: 0;
    z-index: 22;
}

/* layout */
.book-session-hero-grid {
    position: relative;
    min-height: 100%;
}

.book-session-hero-content {
    position: relative;
    width: 58%;
    z-index: 2;
}

.book-session-hero-image {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 42%;
    overflow: hidden;
}

.book-session-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ================= HERO TAB ================= */

.book-session-hero-tab {
    bottom: 0;
    left: 0;
    border-top-right-radius: 20px;
}

.book-session-hero-tab::after,
.book-session-hero-tab::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
}

.book-session-hero-tab::after {
    right: -20px;
    bottom: 0;
    background: radial-gradient(circle at 100% 0%, transparent 20px, var(--bg-color) 20px);
}

.book-session-hero-tab::before {
    top: -20px;
    left: 0;
    background: radial-gradient(circle at 100% 0%, transparent 20px, var(--bg-color) 20px);
}

/* ================= HERO CONTENT ================= */

.book-session-hero-copy {
    padding: 84px 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.book-session-intro {
    max-width: 650px;
}

.book-session-kicker {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.book-session-hero-copy h1 {
    font-size: 48px;
    line-height: 1.02;
    font-weight: 500;
    margin: 0 0 12px;
}

.book-session-lead {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 580px;
}

.book-session-info-inline {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* ================= FORM SHELL ================= */

.book-session-form-shell {
    max-width: 650px;
    padding: 22px;
    border-radius: 24px;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.06);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.025));
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

body.light-mode .book-session-form-shell {
    background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.01));
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 18px 40px rgba(0,0,0,0.06);
}

.book-session-form-head {
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

body.light-mode .book-session-form-head {
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.book-session-form-kicker {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.book-session-form-head h2 {
    font-size: 24px;
    line-height: 1.1;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.book-session-form-lead {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-secondary);
    max-width: 520px;
}

/* ================= FORM ================= */

.book-session-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.book-session-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.book-session-form input,
.book-session-form select,
.book-session-form textarea {
    width: 100%;
    padding: 14px 15px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    font: inherit;
    outline: none;
    transition: var(--transition);
}

body.light-mode .book-session-form input,
body.light-mode .book-session-form select,
body.light-mode .book-session-form textarea {
    background: rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.08);
}

.book-session-form input:focus,
.book-session-form select:focus,
.book-session-form textarea:focus {
    border-color: rgba(255,255,255,0.18);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}

body.light-mode .book-session-form input:focus,
body.light-mode .book-session-form select:focus,
body.light-mode .book-session-form textarea:focus {
    border-color: rgba(0,0,0,0.16);
    box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

.book-session-form textarea {
    resize: vertical;
    min-height: 140px;
}

/* date input polish */
.book-session-form input[type="date"] {
    min-height: 52px;
}

/* ================= FORM FEEDBACK ================= */

.book-session-field-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.book-session-field-error {
    font-size: 13px;
    color: #ef4444;
    line-height: 1.5;
    animation: fadeIn 0.2s ease;
}

.book-session-field-error-block {
    margin-top: -2px;
    margin-bottom: 2px;
}

.book-session-form-alert {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.book-session-form-alert.success {
    background: rgba(34, 197, 94, 0.12);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.18);
}

.book-session-form-alert.error {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.18);
}

/* ================= BUTTON ================= */

.book-session-submit-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 4px;
}

.book-session-submit-btn,
.book-session-primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 999px;
    border: none;
    background: var(--text-primary);
    color: var(--bg-color);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.book-session-submit-btn:hover,
.book-session-primary-btn:hover {
    transform: translateY(-2px);
    opacity: 0.92;
}

.book-session-submit-note {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ================= EMPTY IMAGE ================= */

.book-session-empty-image {
    width: 100%;
    height: 100%;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}

body.light-mode .book-session-empty-image {
    background: linear-gradient(180deg, rgba(0,0,0,0.03), rgba(0,0,0,0.015));
}

.book-session-empty-image-content {
    text-align: center;
    padding: 24px;
}

.book-session-empty-image-content h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 8px;
}

.book-session-empty-image-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ================= CTA CARD ================= */

.book-session-bottom-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.book-session-cta-body {
    padding: 84px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.book-session-cta-body p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 760px;
}

.book-session-cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.book-session-secondary-link {
    position: relative;
    font-size: 14px;
    color: var(--text-primary);
    width: fit-content;
}

.book-session-secondary-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 1px;
    background: currentColor;
    opacity: 0.45;
    transition: var(--transition);
}

.book-session-secondary-link:hover::after {
    opacity: 1;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 1024px) {
    .book-session-hero-content {
        width: 100%;
    }

    .book-session-hero-image {
        position: relative;
        width: 100%;
        top: auto;
        right: auto;
        bottom: auto;
        min-height: 320px;
    }

    .book-session-hero-image img {
        height: 100%;
    }
}

@media (max-width: 768px) {
    .book-session-hero-copy {
        padding: 78px 20px 28px;
        gap: 18px;
    }

    .book-session-hero-copy h1 {
        font-size: 34px;
    }

    .book-session-lead,
    .book-session-info-inline,
    .book-session-form-lead,
    .book-session-cta-body p {
        font-size: 14px;
    }

    .book-session-form-grid {
        grid-template-columns: 1fr;
    }

    .book-session-form-shell {
        padding: 18px;
        border-radius: 20px;
    }

    .book-session-form-head h2 {
        font-size: 22px;
    }

    .book-session-cta-body {
        padding: 78px 20px 20px;
    }

    .book-session-hero-card .mobile-nav-menu {
        top: 58px;
        right: 0;
    }
}

@media (max-width: 480px) {
    .book-session-hero-copy {
        padding: 72px 18px 24px;
    }

    .book-session-hero-copy h1 {
        font-size: 28px;
    }

    .book-session-form-shell,
    .book-session-cta-body {
        padding-left: 16px;
        padding-right: 16px;
    }

    .book-session-form-head h2 {
        font-size: 20px;
    }

    .book-session-submit-btn,
    .book-session-primary-btn {
        width: 100%;
        justify-content: center;
    }

    .book-session-submit-row,
    .book-session-cta-actions {
        align-items: stretch;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}