/* ==========================================================================
   Stark im Stress - Modern Design System
   Design Direction: Warmth & Approachability
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette - Brand Colors (Blau & Orange vom Manual) */
    --color-bg: #FAFCFF;
    --color-bg-elevated: #FFFFFF;
    --color-bg-muted: #F0F4FA;
    --color-bg-accent: #FFF4E8;

    /* Primary - Brand Blue */
    --color-primary: #2B5EA7;
    --color-primary-hover: #1E4A8A;
    --color-primary-light: #E8EEF7;
    --color-primary-subtle: rgba(43, 94, 167, 0.1);

    /* Secondary - Brand Orange */
    --color-secondary: #E67E22;
    --color-secondary-hover: #D35400;
    --color-secondary-light: #FEF0E5;

    /* Accent - Calm Green for trust/certification */
    --color-accent: #27AE60;
    --color-accent-light: #E8F8EF;

    /* Text Hierarchy */
    --color-text: #1A2A3A;
    --color-text-secondary: #3D5066;
    --color-text-muted: #6B7D8D;
    --color-text-faint: #9CAAB8;

    /* Borders */
    --color-border: rgba(44, 36, 23, 0.08);
    --color-border-strong: rgba(44, 36, 23, 0.15);

    /* Shadows - Layered for depth */
    --shadow-sm:
        0 1px 2px rgba(44, 36, 23, 0.04),
        0 1px 3px rgba(44, 36, 23, 0.08);
    --shadow-md:
        0 0 0 0.5px rgba(44, 36, 23, 0.03),
        0 2px 4px rgba(44, 36, 23, 0.04),
        0 4px 8px rgba(44, 36, 23, 0.06),
        0 8px 16px rgba(44, 36, 23, 0.04);
    --shadow-lg:
        0 0 0 0.5px rgba(44, 36, 23, 0.03),
        0 4px 8px rgba(44, 36, 23, 0.04),
        0 8px 16px rgba(44, 36, 23, 0.06),
        0 16px 32px rgba(44, 36, 23, 0.08);

    /* Spacing - 4px Grid */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Border Radius - Soft corners */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 15px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    --font-size-5xl: 48px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.25, 1, 0.5, 1);
    --transition-base: 200ms cubic-bezier(0.25, 1, 0.5, 1);
    --transition-slow: 300ms cubic-bezier(0.25, 1, 0.5, 1);

    /* Container */
    --container-max: 1200px;
    --container-padding: var(--space-6);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    background: rgba(255, 251, 247, 0.95);
    backdrop-filter: blur(12px);
    border-bottom-color: var(--color-border);
}

.main-nav.scrolled .logo-text,
.main-nav.scrolled .nav-links a {
    color: var(--color-text);
}

.main-nav.scrolled .nav-toggle span {
    background: var(--color-text);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    letter-spacing: -0.02em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.logo-text {
    font-weight: 600;
    font-size: var(--font-size-md);
    color: white;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: color var(--transition-base);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: white;
}

.main-nav.scrolled .nav-links a:hover {
    color: var(--color-secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 1px;
    transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section with Background Image
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: url('herobg.jpg');
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(255, 251, 247, 0.3) 0%,
            rgba(255, 251, 247, 0.1) 40%,
            rgba(255, 251, 247, 0) 60%);
    pointer-events: none;
}

/* Animated Clouds - TEMPORARILY DISABLED */
.clouds-container {
    display: none;
    /* TODO: Remove to re-enable clouds */
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.cloud {
    position: absolute;
    background: white;
    border-radius: 100px;
    opacity: 0.8;
    filter: blur(1px);
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: white;
    border-radius: 50%;
}

.cloud-1 {
    width: 200px;
    height: 60px;
    top: 8%;
    left: -200px;
    animation: cloud-drift 35s linear infinite;
    opacity: 0.85;
}

.cloud-1::before {
    width: 80px;
    height: 80px;
    top: -40px;
    left: 30px;
}

.cloud-1::after {
    width: 100px;
    height: 100px;
    top: -50px;
    left: 80px;
}

.cloud-2 {
    width: 160px;
    height: 50px;
    top: 25%;
    left: -160px;
    animation: cloud-drift 45s linear infinite;
    animation-delay: -10s;
    opacity: 0.5;
}

.cloud-2::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 25px;
}

.cloud-2::after {
    width: 80px;
    height: 80px;
    top: -40px;
    left: 60px;
}

.cloud-3 {
    width: 180px;
    height: 55px;
    top: 45%;
    left: -180px;
    animation: cloud-drift 50s linear infinite;
    animation-delay: -25s;
    opacity: 0.4;
}

.cloud-3::before {
    width: 70px;
    height: 70px;
    top: -35px;
    left: 35px;
}

.cloud-3::after {
    width: 90px;
    height: 90px;
    top: -45px;
    left: 75px;
}

.cloud-4 {
    width: 140px;
    height: 45px;
    top: 65%;
    left: -140px;
    animation: cloud-drift 40s linear infinite;
    animation-delay: -5s;
    opacity: 0.35;
}

.cloud-4::before {
    width: 55px;
    height: 55px;
    top: -28px;
    left: 20px;
}

.cloud-4::after {
    width: 70px;
    height: 70px;
    top: -35px;
    left: 50px;
}

.cloud-5 {
    width: 220px;
    height: 65px;
    top: 80%;
    left: -220px;
    animation: cloud-drift 55s linear infinite;
    animation-delay: -35s;
    opacity: 0.3;
}

.cloud-5::before {
    width: 90px;
    height: 90px;
    top: -45px;
    left: 40px;
}

.cloud-5::after {
    width: 110px;
    height: 110px;
    top: -55px;
    left: 90px;
}

@keyframes cloud-drift {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(100vw + 300px));
    }
}

/* Hero Content */
.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-20) var(--container-padding);
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.hero h1 {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    margin-bottom: var(--space-4);
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: white;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    font-weight: 500;
    margin-bottom: var(--space-4);
}

.hero-description {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    max-width: 540px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-ghost {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.9);
}

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
    background: var(--color-bg-muted);
    border-color: var(--color-border-strong);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Trust Section
   -------------------------------------------------------------------------- */
.trust-section {
    padding: var(--space-12) 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.trust-icon {
    width: 48px;
    height: 48px;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-content strong {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.trust-content span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-12);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   About / Features Section
   -------------------------------------------------------------------------- */
.about-section {
    padding: var(--space-20) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.feature-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary-subtle);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Modules Section
   -------------------------------------------------------------------------- */
.modules-section {
    padding: var(--space-20) 0;
    background: var(--color-bg-muted);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.module-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    position: relative;
    transition: all var(--transition-base);
}

.module-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.module-card.featured {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 1px var(--color-secondary), var(--shadow-md);
}

.module-card.featured::before {
    content: 'Empfohlen';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.module-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-secondary-light);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-4);
}

.module-icon {
    width: 64px;
    height: 64px;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.module-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.module-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
    line-height: 1.6;
}

.module-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.module-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.module-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Trainer Section
   -------------------------------------------------------------------------- */
.trainer-section {
    padding: var(--space-20) 0;
    background: var(--color-bg-muted);
}

.trainer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: stretch;
}

.trainer-content .section-label {
    text-align: left;
}

.trainer-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.trainer-content>p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.trainer-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    justify-content: center;
}

.trainer-option {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.trainer-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.trainer-option h4 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.trainer-option h4 svg {
    color: var(--color-primary);
}

.trainer-option p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.link {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.link:hover {
    color: var(--color-secondary-hover);
}

.trainer-visual {
    display: flex;
}

.visual-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    color: white;
    position: relative;
    overflow: hidden;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.visual-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
    align-self: flex-start;
}

.visual-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-8);
    line-height: 1.2;
}

.visual-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.visual-card li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-md);
    font-weight: 500;
}

.visual-card li svg {
    color: var(--color-secondary);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Reviews Section
   -------------------------------------------------------------------------- */
.reviews-section {
    padding: var(--space-20) 0;
    background: var(--color-bg-muted);
}

.review-block {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.review-category {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.review-category svg {
    color: var(--color-secondary);
}

.review-block>p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.6;
}

.review-list {
    list-style: none;
    margin: var(--space-3) 0;
}

.review-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--space-1) 0;
}

.review-highlight {
    font-weight: 500;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.review-block .link {
    font-size: var(--font-size-sm);
}

/* Legacy grid styles */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.review-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.review-stars {
    color: #F59E0B;
    font-size: var(--font-size-md);
    margin-bottom: var(--space-4);
    letter-spacing: 2px;
}

.review-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-5);
    font-style: italic;
}

.review-source {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

.review-source svg {
    opacity: 0.6;
}

.reviews-links {
    text-align: center;
}

/* Trainer Info Box */
.trainer-info-box {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-top: var(--space-12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    overflow: hidden;
}

.info-box-header {
    background: transparent;
    padding: var(--space-6) var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.info-box-header h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.info-box-header p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin: 0;
}

.info-box-content {
    padding: var(--space-8);
}

.info-box-content h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.info-box-content p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.info-note-important {
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    padding: var(--space-5);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-6) 0;
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.info-note-important strong {
    color: var(--color-text);
}

.trainer-info-box .action-wrap {
    margin-top: var(--space-8);
    text-align: center;
}

.btn {
    display: inline-block;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 94, 167, 0.3);
}

/* --------------------------------------------------------------------------
   Materials Section
   -------------------------------------------------------------------------- */
.materials-section {
    padding: var(--space-20) 0;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.material-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.material-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.material-card .material-icon {
    width: 64px;
    height: 64px;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.material-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.material-price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   Books Layout
   -------------------------------------------------------------------------- */
.books-layout {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: var(--space-6);
    align-items: start;
}

.book-main {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.book-main-inner {
    display: flex;
    gap: var(--space-8);
    align-items: flex-start;
}

.book-main-image {
    flex-shrink: 0;
}

.book-main-image .book-image {
    height: 300px;
    width: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.book-main-details h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.book-main-details p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.books-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.book-side-item {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    display: flex;
    gap: var(--space-4);
    align-items: center;
    transition: all var(--transition-base);
}

.book-side-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.book-side-image {
    height: 120px;
    width: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.book-side-details h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.book-side-details p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
}

.online-training-icon {
    width: 56px;
    height: 56px;
    background: var(--color-secondary-light);
    color: var(--color-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.book-side-details .link {
    display: inline-block;
    margin-top: var(--space-2);
}

.material-card>p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.material-features {
    list-style: none;
    margin-bottom: var(--space-6);
}

.material-features li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.material-features li:last-child {
    border-bottom: none;
}

/* Legacy materials styles */
.materials-content .section-label {
    text-align: left;
}

.materials-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.materials-content>p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.materials-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.material-item {
    display: flex;
    gap: var(--space-4);
}

.material-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.material-info h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.material-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.materials-visual {
    display: flex;
    justify-content: center;
}

.book-mockup {
    perspective: 1000px;
}

.book-cover {
    width: 240px;
    height: 320px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    box-shadow: var(--shadow-lg),
        20px 20px 0 -10px var(--color-primary-light),
        30px 30px 0 -15px var(--color-bg-accent);
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform var(--transition-base);
}

.book-cover:hover {
    transform: rotateY(-5deg) rotateX(2deg);
}

.book-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.book-subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-top: var(--space-2);
}

.book-publisher {
    font-size: var(--font-size-sm);
    font-weight: 600;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg-accent) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.cta-content p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.main-footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .trainer-grid {
        grid-template-columns: 1fr;
    }

    .trainer-visual {
        order: -1;
    }

    .materials-grid {
        grid-template-columns: 1fr;
    }

    .books-layout {
        grid-template-columns: 1fr;
    }

    .book-main-inner {
        flex-direction: column;
        align-items: center;
    }

    .materials-visual {
        order: -1;
    }

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

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
    }

    /* Mobile Navigation */
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-4);
        gap: var(--space-1);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--space-3) var(--space-4);
        display: block;
        color: var(--color-text) !important;
        text-shadow: none !important;
        border-radius: var(--radius-md);
    }

    .nav-links a:hover {
        background: var(--color-bg-muted);
        color: var(--color-primary) !important;
    }

    .nav-toggle {
        display: flex;
    }

    /* Hero Mobile */
    .hero {
        min-height: 100svh;
        /* Use small viewport height for mobile */
        padding-top: 100px;
    }

    .hero-container {
        padding: var(--space-12) var(--container-padding);
    }

    .hero-badge {
        font-size: var(--font-size-xs);
        padding: var(--space-1) var(--space-3);
    }

    .hero-description {
        font-size: var(--font-size-sm);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Clouds on mobile - fewer and smaller */
    .cloud-2,
    .cloud-4 {
        display: none;
    }

    .cloud-1,
    .cloud-3,
    .cloud-5 {
        transform: scale(0.6);
    }

    /* Sections Mobile */
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .trust-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .trust-item {
        text-align: left;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-8);
    }

    .footer-brand .footer-logo {
        justify-content: center;
    }
}

/* Extra small screens */
@media (max-width: 400px) {
    .hero h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .module-card {
        padding: var(--space-5);
    }

    .trainer-option {
        padding: var(--space-4);
    }
}