/*
* styles.css
* For Best Zodiac App
* (c) 2025
*/

/* ====================================================================
   1. CSS VARIABLES & RESET
   ==================================================================== */

:root {
    --color-primary: #653CAC;
    --color-secondary: #6C39B2;
    --color-background: #1F0533;
    --color-accent: #F6C542;
    --color-surface: rgba(255, 255, 255, 0.06);
    --color-text: #EAE6F3;
    --color-text-muted: #A99EC8;
    --color-white: #FFFFFF;
    --color-success: #42f69b;
    --color-error: #f6426c;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 1rem;    /* 16px */
    --spacing-lg: 2rem;    /* 32px */
    --spacing-xl: 4rem;    /* 64px */
    --spacing-xxl: 8rem;   /* 128px */

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.3);
    
    --header-height: 70px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

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

/* Animated Starry Background */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, var(--color-accent), transparent),
        radial-gradient(1px 1px at 80% 10%, var(--color-accent), transparent),
        radial-gradient(1px 1px at 50% 70%, var(--color-white), transparent),
        radial-gradient(2px 2px at 90% 60%, var(--color-white), transparent),
        radial-gradient(2px 2px at 30% 90%, var(--color-accent), transparent),
        radial-gradient(1px 1px at 10% 5%, var(--color-white), transparent),
        radial-gradient(2px 2px at 60% 40%, var(--color-accent), transparent);
    background-size: 100% 100%;
    animation: twinkle 15s linear infinite;
}

@keyframes twinkle {
    from { transform: translateY(0); }
    to { transform: translateY(-100vh); }
}

/* ====================================================================
   2. GLOBAL & UTILITY CLASSES
   ==================================================================== */

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--spacing-xxl) 0;
    }
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--color-white);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover, a:focus {
    color: var(--color-white);
}

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

.skip-link {
    position: absolute;
    top: -1000px;
    left: -1000px;
    background: var(--color-accent);
    color: var(--color-background);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: 10px;
    left: 10px;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    text-align: center;
    transition: transform 0.2s ease, background-color 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn:hover { transform: translateY(-2px); }
.btn:focus { outline: 2px solid var(--color-accent); outline-offset: 2px; }

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-surface);
}
.btn-secondary:hover { background-color: var(--color-surface); }

.btn-app-store {
    background: none;
    padding: 0;
    border: none;
}
.btn-app-store img {
    height: 50px;
    width: auto;
}

.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ====================================================================
   3. HEADER & NAVIGATION
   ==================================================================== */

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(31, 5, 51, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    height: var(--header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}
.logo img {
    height: 30px;
}

.main-nav {
    display: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a:focus::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cta-button {
    display: none; /* Hidden on mobile */
}

.nav-toggle {
    display: block;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    position: relative;
    cursor: pointer;
}

.hamburger, .hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: transform 0.3s ease, top 0.3s ease, bottom 0.3s ease;
}

.hamburger { top: 14px; }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle[aria-expanded="true"] .hamburger { background-color: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); bottom: 0; }

/* Mobile Nav Styles */
@media (max-width: 767px) {
    body.nav-open { overflow: hidden; }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-background);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .main-nav.is-open {
        transform: translateX(0);
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .nav-links a {
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .main-nav { display: block; }
    .nav-toggle { display: none; }
    .cta-button { display: inline-block; }
}

/* ====================================================================
   4. PAGE SECTIONS
   ==================================================================== */

/* Hero */
.hero {
    padding-top: calc(var(--spacing-xl) + var(--header-height));
    padding-bottom: var(--spacing-xl);
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
}

.hero-title { margin-bottom: var(--spacing-md); }
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-trust {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
}
.hero-trust span {
    color: var(--color-accent);
    font-size: 1.2rem;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.features-grid .card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

@media (min-width: 600px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
}

.step .step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    color: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
    border: 2px solid var(--color-accent);
}

.step h3 { margin-bottom: var(--spacing-sm); }

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Showcase */
.screens-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.screen-frame {
    background: linear-gradient(145deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-medium);
}

.screen-frame img {
    border-radius: var(--radius-sm);
}

.screen-frame figcaption {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .screens-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.review-card {
    border-left: 4px solid var(--color-accent);
}

.review-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.review-author {
    font-weight: 700;
    text-align: right;
    color: var(--color-text-muted);
}

@media (min-width: 900px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* FAQ */
.faq-list {
    max-width: 750px;
    margin: 0 auto;
}

.faq-list details {
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-list summary {
    padding: var(--spacing-md);
    font-weight: 700;
    cursor: pointer;
    position: relative;
    list-style: none; /* Hide default marker */
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-list details p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-muted);
}

/* Newsletter */
.newsletter {
    background-color: var(--color-secondary);
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.newsletter-form input[type="email"] {
    flex-grow: 1;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-surface);
    background-color: rgba(0,0,0,0.2);
    color: var(--color-white);
    font-size: 1rem;
}

.newsletter-form .honeypot {
    position: absolute;
    left: -5000px;
}

.form-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: opacity 0.5s ease;
}

.form-message.success {
    background-color: var(--color-success);
    color: var(--color-background);
}

.form-message.error {
    background-color: var(--color-error);
    color: var(--color-white);
}

@media (min-width: 600px) {
    .newsletter-form .form-group {
        flex-direction: row;
    }
}

/* Contact */
.contact {
    text-align: center;
    padding-bottom: var(--spacing-xl);
}

/* ====================================================================
   5. FOOTER
   ==================================================================== */

.site-footer {
    background-color: rgba(0,0,0,0.2);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-social a {
    color: var(--color-text-muted);
    display: inline-block;
}
.footer-social a:hover { color: var(--color-white); }
.footer-social svg {
    width: 24px;
    height: 24px;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ====================================================================
   6. LEGAL PAGES
   ==================================================================== */

.legal-page {
    padding-top: calc(var(--spacing-xl) + var(--header-height));
    padding-bottom: var(--spacing-xl);
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    margin-bottom: var(--spacing-sm);
}

.legal-page p, .legal-page li {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.legal-page h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.legal-page ol {
    padding-left: var(--spacing-lg);
}