/**
 * SBLMS Landing Page Styles — New Design
 *
 * Deep blue/indigo gradient design system.
 * Converts Next.js/Tailwind design to vanilla CSS.
 *
 * @package    Qn\Component\Sblms
 * @copyright  (C) 2025 Quadronet, https://www.quadronet.cz
 * @license    GPL-2.0-or-later
 */

/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
    /* Primary gradient stops */
    --sblms-blue-deep: #1a2654;
    --sblms-blue-mid: #151f47;
    --sblms-blue-dark: #111a3a;
    /* Accent */
    --sblms-accent: #2d4a9e;
    --sblms-accent-light: #3b5cbf;
    /* Text on dark */
    --sblms-white: #ffffff;
    --sblms-white-90: rgba(255, 255, 255, 0.9);
    --sblms-white-80: rgba(255, 255, 255, 0.8);
    --sblms-white-70: rgba(255, 255, 255, 0.7);
    --sblms-white-60: rgba(255, 255, 255, 0.6);
    --sblms-white-40: rgba(255, 255, 255, 0.4);
    --sblms-white-20: rgba(255, 255, 255, 0.2);
    --sblms-white-10: rgba(255, 255, 255, 0.1);
    /* Light theme text */
    --sblms-fg: #1a1f36;
    --sblms-fg-muted: #64748b;
    --sblms-bg: #f8f9fc;
    --sblms-card-bg: #ffffff;
    --sblms-border: #e2e8f0;
    --sblms-border-light: rgba(226, 232, 240, 0.5);
    /* Spacing & radius */
    --sblms-radius: 0.75rem;
    --sblms-radius-xl: 1rem;
    --sblms-radius-2xl: 1.5rem;
    /* Shadows */
    --sblms-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --sblms-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --sblms-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --sblms-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    /* Green (badge dot) */
    --sblms-green: #4ade80;
    /* Font */
    --sblms-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ==========================================================================
   Base for Landing
   ========================================================================== */

.com-sblms-landing {
    font-family: var(--sblms-font);
    color: var(--sblms-fg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.com-sblms-landing *,
.com-sblms-landing *::before,
.com-sblms-landing *::after {
    box-sizing: border-box;
}

.sblms-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ==========================================================================
   Header
   ========================================================================== */

.sblms-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
}

.sblms-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.sblms-header__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.sblms-header__logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--sblms-radius);
    background: var(--sblms-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sblms-header__logo-icon span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--sblms-blue-deep);
}

.sblms-header__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sblms-white);
}

.sblms-header__nav {
    display: none;
    align-items: center;
    gap: 2rem;
}

.sblms-header__nav a {
    color: var(--sblms-white-80);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.sblms-header__nav a:hover {
    color: var(--sblms-white);
}

.sblms-header__actions {
    display: none;
    align-items: center;
    gap: 1rem;
}

.sblms-header__toggle {
    display: block;
    background: none;
    border: none;
    color: var(--sblms-white);
    padding: 0.5rem;
    cursor: pointer;
    line-height: 0;
}

.sblms-header__toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Mobile menu */
.sblms-header__mobile-menu {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.sblms-header__mobile-menu.is-open {
    display: block;
    background: rgba(21, 28, 60, 0.95);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--sblms-white-10);
    padding: 1rem;
}

.sblms-header__mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sblms-header__mobile-nav a {
    color: var(--sblms-white-80);
    text-decoration: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.sblms-header__mobile-nav a:hover {
    color: var(--sblms-white);
}

@media (min-width: 768px) {
    .sblms-header__nav {
        display: flex;
    }
    .sblms-header__actions {
        display: flex;
    }
    .sblms-header__toggle {
        display: none;
    }
    .sblms-header__mobile-menu {
        display: none !important;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.sblms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--sblms-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
    line-height: 1.5;
    white-space: nowrap;
}

.sblms-btn--lg {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--sblms-radius-xl);
}

.sblms-btn--white {
    background: var(--sblms-white);
    border-color: var(--sblms-white);
    color: var(--sblms-blue-deep);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.sblms-btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    color: var(--sblms-blue-deep);
}

.sblms-btn--outline-white {
    background: transparent;
    border-color: var(--sblms-white-40);
    color: var(--sblms-white);
    backdrop-filter: blur(4px);
}

.sblms-btn--outline-white:hover {
    background: var(--sblms-white-10);
    color: var(--sblms-white);
}

.sblms-btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--sblms-white);
}

.sblms-btn--ghost:hover {
    background: var(--sblms-white-10);
}

.sblms-btn--block {
    width: 100%;
    text-align: center;
}

.sblms-btn svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.sblms-hero {
    position: relative;
    min-height: 90vh;
    overflow: hidden;
    background: linear-gradient(135deg, var(--sblms-blue-deep) 0%, var(--sblms-blue-mid) 50%, var(--sblms-blue-dark) 100%);
}

.sblms-hero__bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    pointer-events: none;
}

.sblms-hero__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.sblms-hero__blob--top {
    top: 5rem;
    left: 2.5rem;
    width: 18rem;
    height: 18rem;
    background: var(--sblms-white-20);
}

.sblms-hero__blob--bottom {
    bottom: 5rem;
    right: 2.5rem;
    width: 24rem;
    height: 24rem;
    background: var(--sblms-white-10);
}

.sblms-hero__container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 1rem 5rem;
}

.sblms-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.sblms-hero__content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Badge */
.sblms-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 9999px;
    border: 1px solid var(--sblms-white-20);
    background: var(--sblms-white-10);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--sblms-white-90);
    backdrop-filter: blur(4px);
    width: fit-content;
}

.sblms-hero__badge-dot {
    position: relative;
    display: flex;
    width: 0.5rem;
    height: 0.5rem;
}

.sblms-hero__badge-ping {
    position: absolute;
    display: inline-flex;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--sblms-green);
    opacity: 0.75;
    animation: sblms-ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.sblms-hero__badge-solid {
    position: relative;
    display: inline-flex;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--sblms-green);
}

@keyframes sblms-ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Title */
.sblms-hero__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sblms-white);
    line-height: 1.1;
    margin: 0;
    text-wrap: balance;
}

.sblms-hero__title-gradient {
    display: block;
    background: linear-gradient(to right, var(--sblms-white), #bfdbfe, #e0f2fe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sblms-hero__subtitle {
    font-size: 1.125rem;
    color: var(--sblms-white-80);
    max-width: 36rem;
    line-height: 1.7;
    margin: 0;
}

/* Buttons row */
.sblms-hero__buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Stats */
.sblms-hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--sblms-white-10);
}

.sblms-hero__stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--sblms-white);
    margin: 0;
    line-height: 1.2;
}

.sblms-hero__stat-label {
    font-size: 0.875rem;
    color: var(--sblms-white-60);
    margin: 0;
}

/* Hero image */
.sblms-hero__image-wrap {
    position: relative;
    display: none;
}

.sblms-hero__image-frame {
    position: relative;
    border-radius: var(--sblms-radius-2xl);
    overflow: hidden;
    box-shadow: var(--sblms-shadow-xl);
}

.sblms-hero__image-frame img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.sblms-hero__image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 38, 84, 0.4), transparent);
}

/* Floating card */
.sblms-hero__floating-card {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background: var(--sblms-white);
    border-radius: var(--sblms-radius-xl);
    padding: 1rem;
    box-shadow: var(--sblms-shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 200px;
}

.sblms-hero__floating-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sblms-accent), var(--sblms-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--sblms-white);
}

.sblms-hero__floating-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.sblms-hero__floating-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sblms-fg);
    margin: 0;
}

.sblms-hero__floating-desc {
    font-size: 0.75rem;
    color: var(--sblms-fg-muted);
    margin: 0;
}

/* ==========================================================================
   Section Headers (shared)
   ========================================================================== */

.sblms-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.sblms-section-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sblms-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 0.75rem;
}

.sblms-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sblms-fg);
    margin: 0 0 1rem;
    text-wrap: balance;
}

.sblms-text-primary {
    display: block;
    color: var(--sblms-accent);
}

.sblms-section-desc {
    font-size: 1.125rem;
    color: var(--sblms-fg-muted);
    max-width: 42rem;
    margin: 0 auto;
}

/* Light variants for dark backgrounds */
.sblms-section-label--light {
    color: #93c5fd;
}

.sblms-section-title--light {
    color: var(--sblms-white);
}

.sblms-section-desc--light {
    color: var(--sblms-white-70);
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.sblms-features {
    padding: 6rem 0;
    background: var(--sblms-bg);
}

.sblms-features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.sblms-feature-card {
    background: var(--sblms-card-bg);
    border: 1px solid var(--sblms-border-light);
    border-radius: var(--sblms-radius-xl);
    padding: 1.5rem 2rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.sblms-feature-card:hover {
    border-color: rgba(45, 74, 158, 0.3);
    box-shadow: 0 4px 20px rgba(45, 74, 158, 0.05);
}

.sblms-feature-card__icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--sblms-radius);
    background: linear-gradient(135deg, var(--sblms-accent), var(--sblms-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: transform 0.3s;
    color: var(--sblms-white);
}

.sblms-feature-card:hover .sblms-feature-card__icon {
    transform: scale(1.1);
}

.sblms-feature-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sblms-fg);
    margin: 0 0 0.75rem;
}

.sblms-feature-card__desc {
    color: var(--sblms-fg-muted);
    line-height: 1.6;
    margin: 0;
    font-size: 0.9375rem;
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */

.sblms-how {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--sblms-blue-deep) 0%, var(--sblms-blue-mid) 50%, var(--sblms-blue-dark) 100%);
    color: var(--sblms-white);
}

.sblms-how__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.sblms-how__step {
    position: relative;
}

.sblms-how__connector {
    display: none;
}

.sblms-how__step-inner {
    text-align: center;
}

.sblms-how__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 6rem;
    height: 6rem;
    border-radius: var(--sblms-radius-2xl);
    background: var(--sblms-white-10);
    backdrop-filter: blur(4px);
    border: 1px solid var(--sblms-white-20);
    margin-bottom: 1.5rem;
}

.sblms-how__number span {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sblms-white);
}

.sblms-how__step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sblms-white);
    margin: 0 0 0.75rem;
}

.sblms-how__step-desc {
    color: var(--sblms-white-70);
    line-height: 1.6;
    margin: 0;
    font-size: 0.9375rem;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.sblms-cta-section {
    padding: 6rem 0;
    background: var(--sblms-bg);
}

.sblms-cta-banner {
    position: relative;
    border-radius: var(--sblms-radius-2xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--sblms-blue-deep) 0%, rgba(22, 34, 68, 1) 50%, var(--sblms-blue-dark) 100%);
    padding: 3rem 2rem;
}

.sblms-cta-banner__bg {
    position: absolute;
    inset: 0;
    opacity: 0.2;
    pointer-events: none;
}

.sblms-cta-banner__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.sblms-cta-banner__blob--top {
    top: 0;
    right: 0;
    width: 24rem;
    height: 24rem;
    background: var(--sblms-white-20);
    transform: translate(50%, -50%);
}

.sblms-cta-banner__blob--bottom {
    bottom: 0;
    left: 0;
    width: 16rem;
    height: 16rem;
    background: var(--sblms-white-10);
    transform: translate(-50%, 50%);
}

.sblms-cta-banner__content {
    position: relative;
    z-index: 10;
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.sblms-cta-banner__content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sblms-white);
    margin: 0 0 1.5rem;
    text-wrap: balance;
}

.sblms-cta-banner__content p {
    font-size: 1.125rem;
    color: var(--sblms-white-80);
    max-width: 42rem;
    margin: 0 auto 2.5rem;
}

.sblms-cta-banner__buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.sblms-footer {
    background: var(--sblms-blue-dark);
    color: var(--sblms-white);
    padding: 4rem 0;
}

.sblms-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.sblms-footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    margin-bottom: 1rem;
}

.sblms-footer__logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--sblms-radius);
    background: var(--sblms-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sblms-footer__logo-icon span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--sblms-blue-deep);
}

.sblms-footer__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sblms-white);
}

.sblms-footer__about {
    color: var(--sblms-white-60);
    max-width: 24rem;
    line-height: 1.6;
    margin: 0 0 1.5rem;
    font-size: 0.9375rem;
}

.sblms-footer__links-ext {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sblms-footer__links-ext a {
    color: var(--sblms-white-60);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.sblms-footer__links-ext a:hover {
    color: var(--sblms-white);
}

.sblms-footer__sep {
    color: var(--sblms-white-20);
}

.sblms-footer__col h4 {
    font-weight: 600;
    color: var(--sblms-white);
    margin: 0 0 1rem;
    font-size: 1rem;
}

.sblms-footer__col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sblms-footer__col ul a {
    color: var(--sblms-white-60);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.sblms-footer__col ul a:hover {
    color: var(--sblms-white);
}

.sblms-footer__bottom {
    border-top: 1px solid var(--sblms-white-10);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.sblms-footer__bottom p {
    color: var(--sblms-white-40);
    font-size: 0.875rem;
    margin: 0;
}

.sblms-footer__legal {
    display: flex;
    gap: 1.5rem;
}

.sblms-footer__legal a {
    color: var(--sblms-white-40);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.sblms-footer__legal a:hover {
    color: var(--sblms-white-60);
}

/* ==========================================================================
   Responsive — Tablet (md: 768px+)
   ========================================================================== */

@media (min-width: 768px) {
    .sblms-hero__container {
        padding: 7rem 1rem 5rem;
    }

    .sblms-hero__title {
        font-size: 3.25rem;
    }

    .sblms-hero__subtitle {
        font-size: 1.25rem;
    }

    .sblms-hero__buttons {
        flex-direction: row;
    }

    .sblms-features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sblms-how__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sblms-section-title {
        font-size: 2.5rem;
    }

    .sblms-cta-banner {
        padding: 4rem 3rem;
    }

    .sblms-cta-banner__content h2 {
        font-size: 2.5rem;
    }

    .sblms-cta-banner__buttons {
        flex-direction: row;
    }

    .sblms-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .sblms-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ==========================================================================
   Responsive — Desktop (lg: 1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
    .sblms-hero__container {
        padding: 7rem 1rem;
    }

    .sblms-hero__grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .sblms-hero__title {
        font-size: 3.75rem;
    }

    .sblms-hero__image-wrap {
        display: block;
    }

    .sblms-features__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .sblms-how__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }

    .sblms-how__connector {
        display: block;
        position: absolute;
        top: 3rem;
        left: 50%;
        width: 100%;
        height: 2px;
        background: var(--sblms-white-20);
    }

    .sblms-how__connector-dot {
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 0.5rem;
        height: 0.5rem;
        border-radius: 50%;
        background: var(--sblms-white-40);
    }

    .sblms-section-title {
        font-size: 3rem;
    }

    .sblms-cta-banner {
        padding: 5rem;
    }

    .sblms-cta-banner__content h2 {
        font-size: 3rem;
    }

    .sblms-footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ==========================================================================
   Responsive — XL (1280px+)
   ========================================================================== */

@media (min-width: 1280px) {
    .sblms-hero__title {
        font-size: 4.5rem;
    }
}

/* ==========================================================================
   Smooth scroll
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}