/* ===== SpendStreak — Shared Styles ===== */

:root {
    --bg-primary: #0A0A0F;
    --bg-card: #12121A;
    --bg-nav: rgba(10, 10, 15, 0.92);
    --accent-blue: #007AFF;
    --accent-navy: #023C69;
    --accent-gold: #FFD700;
    --text-body: #E8E8ED;
    --text-heading: #FFFFFF;
    --text-muted: #8E8E93;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --glow-blue: 0 0 20px rgba(0, 122, 255, 0.3);
    --glow-gold: 0 0 20px rgba(255, 215, 0, 0.25);
    --radius: 12px;
    --max-width: 1120px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-gold);
}

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

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

section {
    padding: 5rem 0;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 1.5rem;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
    text-decoration: none;
}

.nav-brand img {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-heading);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-body);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: #0A0A0F;
    box-shadow: var(--glow-gold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
    color: #0A0A0F;
}

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

.btn-secondary:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* ===== Features ===== */
.features {
    padding: 5rem 0;
}

.section-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
    text-align: center;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-heading);
    text-align: center;
    margin-bottom: 3.5rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.feature-card:hover {
    border-color: rgba(0, 122, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== Footer ===== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    list-style: none;
}

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

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-copy a {
    color: var(--text-muted);
}

/* ===== Content Pages (Privacy, Support) ===== */
.page-content {
    padding: 7rem 0 4rem;
}

.page-content .container {
    max-width: 760px;
}

.page-content h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.page-content .subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.page-content h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.page-content p {
    font-size: 0.95rem;
    color: var(--text-body);
    margin-bottom: 0.75rem;
}

.page-content ul {
    margin: 0.5rem 0 0.75rem 1.5rem;
}

.page-content li {
    font-size: 0.95rem;
    color: var(--text-body);
    margin-bottom: 0.4rem;
}

.page-content strong {
    color: var(--text-heading);
}

.page-content a {
    color: var(--accent-blue);
}

.page-content .contact-block {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

/* ===== FAQ Accordion ===== */
.faq-item {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    background: var(--bg-card);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.25rem 1.5rem;
    text-align: left;
    color: var(--text-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--accent-blue);
}

.faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.faq-answer-inner a {
    color: var(--accent-blue);
}

/* ===== Contact Card ===== */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.contact-card h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ===== Steps ===== */
.steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-navy));
    color: var(--text-heading);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.15rem;
}

.step-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.35rem;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.step-card a {
    color: var(--accent-blue);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-nav);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-subtle);
        padding: 1rem 0;
        gap: 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.85rem 1.5rem;
        font-size: 1rem;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .hero-logo {
        width: 80px;
        height: 80px;
    }

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

    .section-title {
        font-size: 1.7rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero h1 {
        font-size: 2.6rem;
    }
}