/* ========================================
   CSS Variables & Base
======================================== */
:root {
    /* Conflict Colors */
    --conflict-red: #DC2626;
    --conflict-red-dark: #B91C1C;
    --tension-orange: #F97316;
    --tension-orange-light: #FB923C;

    /* Solution Colors */
    --transition-blue: #3B82F6;
    --transition-blue-light: #60A5FA;
    --flow-teal: #14B8A6;
    --solution-green: #10B981;
    --solution-green-light: #34D399;

    /* Neutrals */
    --text-dark: #1F2937;
    --text-medium: #4B5563;
    --text-light: #6B7280;
    --bg-warm: #FFFBF7;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;

    /* Typography */
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1200px;

    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-warm);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--conflict-red) 0%, var(--tension-orange) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

#collision-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.wave {
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 45%;
    animation: wave-float 20s ease-in-out infinite;
}

.wave-1 {
    top: -50%;
    left: -50%;
    animation-delay: 0s;
}

.wave-2 {
    top: -60%;
    left: -40%;
    animation-delay: -5s;
    opacity: 0.5;
}

.wave-3 {
    top: -40%;
    left: -60%;
    animation-delay: -10s;
    opacity: 0.3;
}

@keyframes wave-float {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(5deg) scale(1.05);
    }
    50% {
        transform: rotate(0deg) scale(1.1);
    }
    75% {
        transform: rotate(-5deg) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: rgba(255,255,255,0.95);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.5;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    color: var(--conflict-red);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: all var(--transition-medium);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.cta-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.cta-button:hover .cta-arrow {
    transform: translateX(4px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
    margin-top: 0.5rem;
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleY(0.8);
    }
}

/* ========================================
   Problem Section
======================================== */
.problem-section {
    background: transparent;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all var(--transition-medium);
    border: 1px solid rgba(0,0,0,0.05);
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.problem-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    color: var(--tension-orange);
}

.problem-icon svg {
    width: 100%;
    height: 100%;
}

.problem-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.problem-card p {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.6;
}

/* ========================================
   Section Transitions (now handled by JS scroll)
======================================== */
.section-transition {
    display: none;
}

/* Background color transition overlay */
.scroll-bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    transition: background-color 0.1s ease-out;
}

/* ========================================
   Module Section
======================================== */
.module-section {
    background: transparent;
    color: white;
}

.module-section .section-title {
    color: white;
    margin-bottom: 0.5rem;
}

.module-section .section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 3rem;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 900px) {
    .module-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .module-grid {
        grid-template-columns: 1fr;
    }
}

.module-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all var(--transition-medium);
    text-align: center;
}

.module-card:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.4);
}

.module-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    opacity: 0.4;
    margin-bottom: 0.75rem;
}

.module-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.module-tagline {
    font-size: 0.95rem;
    opacity: 0.85;
    line-height: 1.5;
}

/* ========================================
   Tools Section
======================================== */
.tools-section {
    background: linear-gradient(180deg, var(--transition-blue) 0%, var(--flow-teal) 100%);
    color: white;
}

.tools-section .section-title,
.tools-section .section-intro {
    color: white;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all var(--transition-medium);
    text-align: center;
}

.tool-card:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px) scale(1.02);
}

.tool-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    opacity: 0.9;
}

.tool-icon svg {
    width: 100%;
    height: 100%;
}

.tool-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.tool-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ========================================
   Method Section
======================================== */
.method-section {
    background: var(--bg-warm);
}

.method-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.method-lead {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.method-list {
    list-style: none;
}

.method-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.method-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    color: var(--solution-green);
}

.method-icon svg {
    width: 100%;
    height: 100%;
}

.method-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.experience-circle {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    animation: ring-pulse 4s ease-in-out infinite;
}

.ring-1 {
    inset: 0;
    border-color: var(--solution-green);
    animation-delay: 0s;
}

.ring-2 {
    inset: 30px;
    border-color: var(--flow-teal);
    animation-delay: 0.5s;
}

.ring-3 {
    inset: 60px;
    border-color: var(--transition-blue);
    animation-delay: 1s;
}

@keyframes ring-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.7;
    }
}

.circle-center {
    position: absolute;
    inset: 90px;
    background: linear-gradient(135deg, var(--solution-green), var(--flow-teal));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.8;
}

.cycle-word {
    opacity: 0;
    animation: fadeInPulse 4s ease-in-out infinite;
}

.cycle-1 {
    animation-delay: 0s;
}

.cycle-2 {
    animation-delay: 1.33s;
}

.cycle-3 {
    animation-delay: 2.66s;
}

@keyframes fadeInPulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    15% {
        opacity: 1;
        transform: scale(1.1);
    }
    30% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        opacity: 1;
        transform: scale(1);
    }
    85% {
        opacity: 0.5;
        transform: scale(0.95);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

/* ========================================
   Format Section
======================================== */
.format-section {
    background: var(--bg-light);
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.format-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all var(--transition-medium);
}

.format-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.format-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--transition-blue);
}

.format-icon svg {
    width: 100%;
    height: 100%;
}

.format-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.format-card p {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.format-card .price {
    font-size: 2rem;
    color: var(--solution-green);
}

.format-detail {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   Trainer Section
======================================== */
.trainer-section {
    background: transparent;
}

.trainer-section .section-title {
    margin-bottom: 3rem;
}

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

.trainer-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-medium);
}

.trainer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.trainer-card .trainer-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

.trainer-card .trainer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.trainer-info {
    padding: 2rem;
    text-align: center;
}

.trainer-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.trainer-info .trainer-title {
    font-size: 1rem;
    color: var(--transition-blue);
    font-weight: 500;
    margin-bottom: 1rem;
}

.trainer-info .trainer-title a {
    color: var(--transition-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.trainer-info .trainer-title a:hover {
    color: var(--solution-green);
    text-decoration: underline;
}

.trainer-info blockquote {
    font-size: 1rem;
    font-style: italic;
    color: var(--text-medium);
    border: none;
    padding: 0;
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .trainers-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: transparent;
    color: white;
}

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

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: 2.5rem;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    color: white;
    transition: all var(--transition-fast);
}

.form-group input::placeholder {
    color: rgba(255,255,255,0.7);
}

.form-group input:focus {
    outline: none;
    border-color: white;
    background: rgba(255,255,255,0.2);
}

.submit-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 2rem;
    background: white;
    color: var(--solution-green);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.button-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.submit-button:hover .button-arrow {
    transform: translateX(4px);
}

.privacy-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

.form-success {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    margin-top: 1rem;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.7);
    padding: 3rem 0;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ========================================
   Animations
======================================== */
.fade-in,
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: all 0.8s ease-out;
    transition-delay: var(--delay, 0s);
}

.fade-in {
    transform: translateY(20px);
}

.fade-in-up {
    transform: translateY(40px);
}

.fade-in-left {
    transform: translateX(-40px);
}

.fade-in-right {
    transform: translateX(40px);
}

.fade-in.visible,
.fade-in-up.visible,
.fade-in-left.visible,
.fade-in-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .method-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .method-visual {
        order: -1;
    }

    .trainer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .trainer-text blockquote {
        border-left: none;
        border-top: 4px solid var(--solution-green);
        padding-left: 0;
        padding-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    .format-grid {
        grid-template-columns: 1fr;
    }

    .experience-circle {
        width: 250px;
        height: 250px;
    }

    .circle-center {
        inset: 75px;
        font-size: 0.75rem;
    }

    .ring-2 {
        inset: 25px;
    }

    .ring-3 {
        inset: 50px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .problem-grid,
    .module-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ========================================
   Impressum Page
======================================== */
.impressum-section {
    min-height: 100vh;
    background: var(--bg-warm);
    padding-top: 4rem;
}

.impressum-content {
    max-width: 700px;
    margin: 2rem auto;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.impressum-content h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-light);
}

.impressum-content h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--transition-blue);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.impressum-content p {
    color: var(--text-medium);
    line-height: 1.8;
}

.back-link {
    text-align: center;
    margin-top: 2rem;
}

.back-link a {
    color: var(--transition-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.back-link a:hover {
    color: var(--solution-green);
}