/* =====================================================================
 * Marketing pages (index.html, price.html) — corporate look
 * ===================================================================== */
:root {
    --mk-section-y: 96px;
    --mk-band: #f5f7fb;
    --mk-dark: #0b1f4d;            /* deep navy band (stats / CTA / footer) */
    --mk-dark-2: #0a1a3f;
    --mk-dark-text: #c7d2e6;
    --mk-dark-muted: #8d9bb8;
    --mk-dark-line: rgba(255, 255, 255, 0.10);
    /* legacy */
    --bg-section: var(--mk-band);
    --navbar-bg: #ffffff;
    --footer-bg: var(--mk-dark-2);
}
[data-theme="dark"] {
    --mk-band: #12161c;
    --mk-dark: #0d1526;
    --mk-dark-2: #0a0f1a;
    --navbar-bg: #171b22;
}

body {
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--surface-card);
}

/* ===== Navbar ===== */
.navbar {
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-default);
    box-shadow: none !important;
    padding: 0;
    min-height: 64px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}
.navbar > .container { min-height: 64px; }
.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--text-strong) !important;
}
.navbar-brand img { height: 28px !important; }
.navbar-brand span { color: var(--primary-color); }

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: var(--fs-md);
    margin: 0 0.25rem;
    transition: color .15s;
}
.nav-link:hover, .nav-link:focus { color: var(--text-strong) !important; }

.navbar-toggler { border-color: var(--border-strong); padding: 0.35rem 0.6rem; }
.navbar-toggler:focus { box-shadow: var(--focus-ring); }
[data-theme="dark"] .navbar-toggler-icon { filter: invert(1); }

.btn-primary-custom {
    display: inline-flex; align-items: center; justify-content: center;
    height: 38px;
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0 1.125rem;
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    font-size: var(--fs-base);
    transition: background-color .15s, border-color .15s;
}
.btn-primary-custom:hover, .btn-primary-custom:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

/* ===== Hero ===== */
.hero-section {
    padding: 152px 0 96px;
    background: var(--surface-card);
    border-bottom: 1px solid var(--border-default);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    /* faint grid — engineering/enterprise texture, no glow */
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
            mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
    z-index: 0;
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }

.hero-badge,
.section-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--primary-soft);
    border: 1px solid var(--primary-border);
    color: var(--primary-color);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0;
    margin-bottom: 1.25rem;
}
.section-badge { margin-bottom: 1rem; }

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.035em;
    margin-bottom: 1.5rem;
    color: var(--text-strong);
}
.hero-title .highlight { color: var(--primary-color); }

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 520px;
}

.hero-buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn-hero-primary,
.btn-hero-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    height: 48px;
    padding: 0 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-md);
    text-decoration: none;
    transition: background-color .15s, border-color .15s, color .15s;
}
.btn-hero-primary {
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: #fff;
}
.btn-hero-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-hero-secondary {
    background: var(--surface-card);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}
.btn-hero-secondary:hover { background: var(--surface-hover); color: var(--text-strong); border-color: var(--border-strong); }

.hero-image { position: relative; z-index: 1; }

/* Product mockup: looks like a console window */
.hero-mockup {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 0;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.mockup-header {
    display: flex; align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    background: var(--surface-subtle);
    border-bottom: 1px solid var(--border-default);
    margin-bottom: 0;
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.mockup-dot.red, .mockup-dot.yellow, .mockup-dot.green { background: var(--border-strong); }

.mockup-calendar {
    background: var(--surface-card);
    border-radius: 0;
    padding: 1.25rem;
    color: var(--text-primary);
}
.mockup-calendar strong { font-weight: 700; color: var(--text-strong); }
.mockup-calendar .btn-light {
    width: 30px; height: 30px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.75rem;
}
.mockup-calendar .bg-white {
    background: var(--surface-subtle) !important;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md) !important;
}
.mockup-calendar .badge {
    font-weight: 600;
    padding: 0.4em 0.7em;
    background: var(--surface-card) !important;
    color: var(--primary-color);
    border: 1px solid var(--primary-border);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    text-align: center;
    font-size: var(--fs-sm);
}
.calendar-day {
    padding: 0.45rem 0;
    border-radius: var(--radius-sm);
    cursor: default;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
    transition: background-color .15s, color .15s;
}
.calendar-day.header {
    font-weight: 600;
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}
.calendar-day.available {
    background: var(--primary-soft);
    color: var(--primary-color);
    font-weight: 600;
}
.calendar-day.active {
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
}
.calendar-day:hover:not(.header):not(.active) { background: var(--surface-hover); color: var(--text-strong); }

/* ===== Section scaffolding ===== */
.features-section,
.how-section,
.meeting-types-section,
.integrations-section,
.security-section,
.pricing-section,
.contact-section {
    padding: var(--mk-section-y) 0;
    border-bottom: 1px solid var(--border-default);
}
.features-section      { background: var(--mk-band); }
.how-section           { background: var(--surface-card); }
.meeting-types-section { background: var(--mk-band); }
.integrations-section  { background: var(--surface-card); }
.security-section      { background: var(--mk-band); }
.pricing-section       { background: var(--surface-card); }
.contact-section       { background: var(--mk-band); }

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--text-strong);
}
.section-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

/* ===== Clients ===== */
.clients-section { padding: 48px 0; background: var(--surface-card); border-bottom: 1px solid var(--border-default); }
.clients-title { text-align: center; color: var(--text-tertiary); font-size: var(--fs-sm); margin-bottom: 1.5rem; }
.clients-logos { display: flex; justify-content: center; align-items: center; gap: 3rem; flex-wrap: wrap; opacity: .7; }
.client-logo { font-size: 1.25rem; font-weight: 700; color: var(--text-tertiary); }

/* ===== Feature cards ===== */
.feature-card {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    height: 100%;
    transition: border-color .15s, box-shadow .15s;
}
.feature-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.feature-icon {
    width: 44px; height: 44px;
    background: var(--primary-soft);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem;
}
.feature-icon i { font-size: 1.125rem; color: var(--primary-color); }
.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-strong);
}
.feature-description { color: var(--text-secondary); font-size: var(--fs-md); margin: 0; line-height: 1.65; }

/* ===== How it works ===== */
.step-card {
    text-align: left;
    padding: 1.75rem;
    height: 100%;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    background: var(--surface-card);
    position: relative;
}
.how-section .row { row-gap: 1.5rem; align-items: stretch !important; }
.step-number {
    width: 32px; height: 32px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: var(--fs-base);
    margin: 0 0 1.25rem;
    font-variant-numeric: tabular-nums;
}
.step-image {
    width: 100%;
    height: 132px;
    background: var(--surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin: 0 0 1.25rem;
    display: flex; align-items: center; justify-content: center;
}
.step-image i { font-size: 2.5rem; color: var(--primary-color); opacity: .85; }
.step-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-strong); }
.step-description { color: var(--text-secondary); font-size: var(--fs-md); margin: 0; }

/* ===== Stats band ===== */
.stats-section {
    padding: 64px 0;
    background: var(--mk-dark);
    color: #fff;
}
.stats-section .row > div + div .stat-item { border-left: 1px solid var(--mk-dark-line); }
.stat-item { text-align: center; padding: 1rem 1.5rem; }
.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
    font-variant-numeric: tabular-nums;
    color: #fff;
}
.stat-label { font-size: var(--fs-md); color: var(--mk-dark-text); }

/* ===== Meeting types ===== */
.meeting-card {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 100%;
    transition: border-color .15s, box-shadow .15s;
}
.meeting-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.meeting-icon {
    width: 40px; height: 40px;
    background: var(--surface-subtle);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1rem;
}
.meeting-icon i { font-size: 1rem; color: var(--primary-color); }
.meeting-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 0.375rem; color: var(--text-strong); }
.meeting-description { color: var(--text-secondary); font-size: var(--fs-base); margin: 0; }

/* ===== Integrations ===== */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1px;
    max-width: 960px;
    margin: 0 auto;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--border-default);
}
@media (max-width: 991.98px) { .integration-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 575.98px) { .integration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.integration-item {
    background: var(--surface-card);
    border-radius: 0;
    padding: 1.75rem 1rem;
    text-align: center;
    transition: background-color .15s;
}
.integration-item:hover { background: var(--surface-subtle); }
.integration-item i { font-size: 1.75rem; margin-bottom: 0.625rem; display: block; }
.integration-item span { display: block; font-size: var(--fs-sm); font-weight: 500; color: var(--text-secondary); }

/* ===== Security ===== */
.security-card {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    margin-bottom: 0.75rem;
}
.security-icon {
    width: 40px; height: 40px;
    background: var(--success-soft);
    border: 1px solid var(--success-border);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.security-icon i { font-size: 1rem; color: var(--success-color); }
.security-text h4 { font-size: var(--fs-md); font-weight: 700; margin-bottom: 0.125rem; color: var(--text-strong); }
.security-text p { font-size: var(--fs-base); color: var(--text-secondary); margin: 0; }

/* ===== CTA band ===== */
.cta-section {
    padding: 80px 0;
    background: var(--mk-dark);
    color: #fff;
    text-align: center;
    border-bottom: 1px solid var(--mk-dark-line);
}
.cta-title { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1rem; color: #fff; }
.cta-description {
    font-size: 1.0625rem;
    color: var(--mk-dark-text);
    margin: 0 auto 2rem;
    max-width: 520px;
}
.btn-cta {
    display: inline-flex; align-items: center; justify-content: center;
    height: 48px;
    background: #fff;
    color: var(--mk-dark);
    padding: 0 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--fs-md);
    border: 1px solid #fff;
    text-decoration: none;
    transition: background-color .15s, color .15s;
}
.btn-cta:hover { background: #e8eef9; color: var(--mk-dark); }

/* ===== Footer ===== */
.footer {
    padding: 64px 0 32px;
    background: var(--mk-dark-2);
    color: #fff;
}
.footer-brand { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; color: #fff; }
.footer-brand span { color: #8fb0f5; }
.footer-description { color: var(--mk-dark-muted); font-size: var(--fs-base); margin-bottom: 1.5rem; }
.footer-links h5 { font-size: var(--fs-sm); font-weight: 700; letter-spacing: .02em; margin-bottom: 1rem; color: #fff; }
.footer-links ul { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--mk-dark-muted); text-decoration: none; font-size: var(--fs-base); transition: color .15s; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid var(--mk-dark-line);
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: left;
    color: var(--mk-dark-muted);
    font-size: var(--fs-sm);
}
.footer-bottom .business-info { color: var(--mk-dark-muted) !important; font-size: var(--fs-sm) !important; }
.footer-bottom p { margin-bottom: 0.25rem; }
.social-links { display: flex; gap: 0.5rem; margin-top: 1rem; }
.social-links a {
    width: 36px; height: 36px;
    border: 1px solid var(--mk-dark-line);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--mk-dark-text);
    transition: background-color .15s, color .15s;
}
.social-links a:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ===== Pricing (landing) ===== */
.pricing-card {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    position: relative;
    display: flex; flex-direction: column;
    transition: border-color .15s, box-shadow .15s;
}
.pricing-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.pricing-card.popular {
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color), var(--shadow-md);
}
.popular-badge {
    position: absolute;
    top: -11px; left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 0.125rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: .02em;
}
.pricing-header {
    text-align: left;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-default);
    margin-bottom: 1.5rem;
}
.pricing-name { font-size: 1.25rem; font-weight: 800; color: var(--text-strong); margin-bottom: 0.25rem; }
.pricing-desc { color: var(--text-secondary); font-size: var(--fs-base); margin-bottom: 1rem; }
.pricing-price .price { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text-strong); font-variant-numeric: tabular-nums; }
.pricing-price .period { color: var(--text-tertiary); font-size: var(--fs-md); }
.pricing-features { list-style: none; padding: 0; margin-bottom: 2rem; flex: 1; }
.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    font-size: var(--fs-md);
    display: flex; align-items: center; gap: 0.625rem;
}
.pricing-features li i { color: var(--primary-color); font-size: 0.8125rem; }
.btn-pricing {
    display: flex; align-items: center; justify-content: center;
    width: 100%;
    height: 44px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    background: var(--surface-card);
    transition: background-color .15s, border-color .15s, color .15s;
}
.btn-pricing:hover { background: var(--surface-hover); color: var(--text-strong); border-color: var(--border-strong); }
.btn-pricing.primary { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }
.btn-pricing.primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

/* ===== Contact ===== */
.contact-info { margin-top: 2rem; }
.contact-item { display: flex; align-items: center; gap: 0.875rem; margin-bottom: 0.875rem; color: var(--text-primary); font-size: var(--fs-md); }
.contact-item i {
    width: 36px; height: 36px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary-color);
    font-size: 0.875rem;
}
.contact-form-card {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}
.form-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--text-strong); }
.contact-form-card .form-control {
    background: var(--surface-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    color: var(--text-primary);
    font-size: var(--fs-md);
}
.contact-form-card .form-control:focus { border-color: var(--primary-color); box-shadow: var(--focus-ring); background: var(--surface-card); }
.contact-form-card .form-control::placeholder { color: var(--text-disabled); }
.btn-submit {
    width: 100%;
    height: 46px;
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    font-size: var(--fs-md);
    cursor: pointer;
    transition: background-color .15s;
}
.btn-submit:hover { background: var(--primary-dark); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; }

/* ===== Dropdown ===== */
.navbar .dropdown-menu {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.375rem;
    min-width: 220px;
    margin-top: 0.5rem;
}
.navbar .dropdown-item {
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--fs-base);
}
.navbar .dropdown-item:hover { background: var(--surface-hover); color: var(--text-strong); }
.navbar .dropdown-item i { color: var(--text-tertiary); width: 20px; }
.dropdown-divider { border-color: var(--border-default); margin: 0.375rem 0; }
.nav-item.dropdown .nav-link::after { margin-left: 0.375rem; vertical-align: 0.15em; }

/* ===== Theme toggle ===== */
.theme-toggle {
    background: var(--surface-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color .15s, color .15s;
}
.theme-toggle:hover { background: var(--surface-hover); color: var(--text-strong); }
.theme-toggle i { font-size: 0.9375rem; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }
[data-theme="dark"] .theme-toggle .fa-sun { display: inline-block; }
.theme-toggle .fa-sun { display: none; }
.theme-toggle .fa-moon { display: inline-block; }

/* ===== Navbar right ===== */
.navbar-right { display: flex; align-items: center; gap: 0.5rem; }
.navbar-right .nav-link { display: flex; align-items: center; padding: 0.5rem 0.75rem; margin: 0; }
.navbar-right .btn-primary-custom { display: inline-flex; }

/* ===== Reveal (subtle) ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fadeInUp { animation: fadeInUp .45s ease-out forwards; }

[data-theme="dark"] .text-muted { color: var(--text-tertiary) !important; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .hero-title { font-size: 2.5rem; }
    .hero-section { padding: 120px 0 72px; }
    .navbar-collapse {
        padding: 0.75rem 0 1rem;
        border-top: 1px solid var(--border-default);
    }
    .navbar-right { flex-wrap: wrap; padding-top: 0.5rem; }
    .stats-section .row > div + div .stat-item { border-left: none; }
}
@media (max-width: 767.98px) {
    :root { --mk-section-y: 64px; }
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    .section-title { font-size: 1.75rem; }
    .cta-title { font-size: 1.75rem; }
    .stat-number { font-size: 2rem; }
    .hero-buttons { flex-direction: column; }
    .btn-hero-primary, .btn-hero-secondary { width: 100%; }
    .contact-form-card, .pricing-card { padding: 1.5rem; }
    .footer-bottom { text-align: center; }
}