/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #e70b5a;
    --primary-light: #f8a5c2;
    --primary-dark: #c4084a;
    --neutral: #F2F2F2;
    --neutral-dark: #f5f0e8;
    --text: #2d2d2d;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --black: #000000;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    box-shadow: 0 1px 3px var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    gap: 24px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    height: 24px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 24px;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

.mobile-menu.active {
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(231, 11, 90, 0.3);
}

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

.btn-secondary:hover {
    background: var(--neutral);
    border-color: var(--text-light);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #fff 0%, var(--neutral) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-screenshot {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

/* Story Section */
.story {
    padding: 100px 0;
    background: var(--white);
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-intro {
    font-size: 20px;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 48px;
    font-weight: 400;
}

.annoyance-level {
    margin-bottom: 40px;
    padding: 32px;
    background: var(--neutral);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.annoyance-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.annoyance-level p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin: 0;
}

.story-conclusion {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text);
    margin: 48px 0 32px;
    font-weight: 500;
}

.story-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.story-benefits li {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 20px;
    padding-left: 32px;
    position: relative;
}

.story-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 20px;
}

.story-benefits li:last-child {
    margin-bottom: 0;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 64px;
    color: var(--text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--shadow);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--neutral);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.step-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 24px;
}

ul.step-description {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    text-align: left;
    max-width: 400px;
}

ul.step-description li {
    margin-bottom: 8px;
    padding-left: 24px;
    position: relative;
}

ul.step-description li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
}

ul.step-description li:last-child {
    margin-bottom: 0;
}

.step-spacer {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
    width: 100%;
}

.step-image {
    margin-top: auto;
    width: 100%;
    background: var(--neutral);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.step-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--white);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    grid-auto-rows: auto;
}

.screenshot-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--neutral);
    transition: transform 0.3s;
}

.screenshot-item:hover {
    transform: scale(1.02);
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
    background: var(--neutral);
    min-height: 400px;
    object-fit: cover;
}

.screenshot-caption {
    padding: 16px;
    text-align: center;
    color: var(--text-light);
    font-weight: 500;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--neutral);
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.download-option {
    text-align: center;
    padding: 32px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.download-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.download-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.download-status {
    color: var(--text-light);
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--text);
    color: var(--white);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-contact {
    display: flex;
    align-items: center;
}

.footer-contact a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
    font-size: 14px;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 32px;
    height: 32px;
}

.footer-logo-text {
    height: 20px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links,
    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .story {
        padding: 64px 0;
    }

    .story-intro {
        font-size: 18px;
    }

    .annoyance-level {
        padding: 24px;
    }

    .annoyance-title {
        font-size: 20px;
    }

    .story-conclusion {
        font-size: 16px;
    }

    .story-benefits li {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }


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

    .download-options {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-info {
        align-items: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 48px 0;
    }

    .hero-title {
        font-size: 28px;
    }

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

    .hero-actions {
        flex-direction: column;
    }

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

    .story {
        padding: 48px 0;
    }

    .story-intro {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .annoyance-level {
        padding: 20px;
        margin-bottom: 24px;
    }

    .annoyance-title {
        font-size: 18px;
    }

    .annoyance-level p {
        font-size: 15px;
    }

    .story-conclusion {
        font-size: 15px;
        margin: 32px 0 24px;
    }

    .story-benefits li {
        font-size: 15px;
        margin-bottom: 16px;
    }

    .features,
    .how-it-works,
    .screenshots,
    .download {
        padding: 64px 0;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 32px;
    }
}