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

:root {
    --bg-primary: #0F0F14;
    --bg-surface: #1C1C24;
    --bg-surface-elevated: #26262F;
    --accent-orange: #FF6B35;
    --accent-red: #F54257;
    --accent-purple: #7D5EFF;
    --accent-gold: #FFD700;
    --accent-teal: #33D1BB;
    --accent-blue: #6690FF;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.35);
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Gradient Text ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(15, 15, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* ===== Hero ===== */
.hero {
    padding: 160px 0 100px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 24px rgba(255, 107, 53, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
}

.apple-icon {
    width: 20px;
    height: 20px;
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Support ===== */
.support {
    padding: 100px 0;
}

.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.faq h3,
.contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 8px;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
    text-align: left;
}

.faq-question:hover {
    background: var(--bg-surface-elevated);
}

.faq-arrow {
    font-size: 12px;
    color: var(--text-tertiary);
    transition: transform 0.3s;
}

.faq-question.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
    padding: 12px 20px 4px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-tertiary);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent-orange);
}

.contact-form .cta-button {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}

/* ===== Privacy ===== */
.privacy {
    padding: 100px 0;
}

.privacy-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 720px;
    margin: 0 auto;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.privacy-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.privacy-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.privacy-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

.privacy-card li {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 20px;
    position: relative;
}

.privacy-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
}

.privacy-card li strong {
    color: var(--text-primary);
}

.privacy-note {
    font-size: 13px;
    color: var(--text-tertiary);
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        gap: 20px;
    }

    .hero {
        padding: 130px 0 80px;
    }

    .privacy-card {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .nav-links a {
        font-size: 13px;
    }

    .nav-links {
        gap: 16px;
    }
}