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

:root {
    --primary-purple: #8B7E9E;
    --purple-hover: #6F6280;
    --white: #ffffff;
    --black: #000000;
    --dark-text: #1a1a1a;
    --gray: #666666;
    --light-gray: #f5f5f5;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--dark-text);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-purple);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-download-btn {
    background: var(--primary-purple);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-download-btn:hover {
    background: var(--purple-hover);
    transform: translateY(-1px);
}

.lang-switch {
    background: var(--primary-purple);
    color: var(--white) !important;
    padding: 8px 16px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: var(--purple-hover);
    transform: translateY(-1px);
    color: var(--white) !important;
}

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

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    background: var(--white);
    padding: 120px 0 100px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-decoration {
    position: absolute;
    width: 700px;
    height: 700px;
    background: var(--light-gray);
    border-radius: 50%;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-mockup {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 40px;
    color: var(--gray);
    line-height: 1.6;
}

.hero-list {
    list-style: none;
    margin: 30px 0;
    padding: 0;
}

.hero-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--dark-text);
    font-size: 16px;
    line-height: 1.5;
}

.hero-list li {
    position: relative;
}

.hero-list li::before {
    content: '';
    width: 40px;
    height: 40px;
    background-color: var(--primary-purple);
    border-radius: 10px;
    flex-shrink: 0;
    display: block;
    position: relative;
}

.hero-list li::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    width: 24px;
    height: 24px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0) invert(1);
}

.hero-list li:nth-child(1)::after {
    background-image: url('assets/images/ai.png');
}

.hero-list li:nth-child(2)::after {
    background-image: url('assets/images/clock.png');
}

.hero-list li:nth-child(3)::after {
    background-image: url('assets/images/privacy.png');
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--purple-hover);
    box-shadow: 0 10px 30px rgba(255, 181, 160, 0.3);
}

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

.btn-secondary:hover {
    background: var(--dark-text);
    color: var(--white);
}

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

.features-decoration {
    display: none;
}

.features .container {
    position: relative;
    z-index: 1;
}

.features h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--dark-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 181, 160, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--dark-text);
}

.about-text p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-purple);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

.mockup-placeholder {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--purple-hover) 100%);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(255, 181, 160, 0.3);
}

.phone-mockup-img {
    max-width: 280px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

.mockup-screen {
    background: var(--white);
    height: 500px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.mockup-screen::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gray);
    border-radius: 2px;
    opacity: 0.3;
}

/* Download CTA Section */
.download-cta {
    position: relative;
    background: var(--white);
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.download-decoration {
    display: none;
}

.download-cta .container {
    position: relative;
    z-index: 1;
}

.download-cta h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.download-cta p {
    font-size: 20px;
    margin-bottom: 40px;
    color: var(--gray);
}

/* Footer */
.footer {
    background: var(--primary-purple);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 80px;
    margin-bottom: 60px;
    align-items: start;
}

.footer-download {
    max-width: 400px;
}

.footer-qr {
    width: 150px;
    height: 150px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-img {
    width: 150px;
    height: 150px;
    display: block;
    border-radius: 10px;
}

.footer-qr-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 5px;
}

.footer-qr-sublabel {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

.footer-app-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-app-buttons img {
    height: 45px;
    width: auto;
}

.app-store-badge {
    display: inline-block;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.app-store-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.app-store-badge img {
    display: block;
    height: 40px;
    width: auto;
}

.footer-contact {
    text-align: left;
}

.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--white);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-contact a {
    color: var(--white);
    text-decoration: underline;
}

.footer-social {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 20px;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-brand .logo {
    margin-bottom: 10px;
    color: var(--white);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-legal-links {
    display: flex;
    gap: 20px;
}

.footer-legal-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal-links a:hover {
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 960px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-mockup {
        order: -1;
    }

    .hero h1 {
        font-size: 42px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .footer-social {
        justify-content: center;
    }

    .footer-qr {
        margin: 0 auto 20px;
    }

    .footer-app-buttons {
        justify-content: center;
    }

    .mockup-screen {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 80px;
    }

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

    .hero h1 {
        font-size: 36px;
    }

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

    .hero-list li {
        font-size: 15px;
    }

    .features h2,
    .about-text h2,
    .download-cta h2 {
        font-size: 32px;
    }

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

    .stats {
        flex-direction: column;
        gap: 20px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }

    .footer-legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .container {
        padding: 0 15px;
    }

    .features,
    .about,
    .download-cta {
        padding: 60px 0;
    }
}
