/* =============================================================
   IAS AutoEmail - Landing Page Styles
   ============================================================= */

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
}
.navbar-logo .logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    color: #fff;
}
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}
.navbar-links {
    display: flex;
    gap: var(--sp-6);
}
.navbar-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}
.navbar-links a:hover,
.navbar-links a.active { color: var(--text-white); }
.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}
.navbar-links a:hover::after,
.navbar-links a.active::after { width: 100%; }

.navbar-cta { display: flex; gap: var(--sp-3); }

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .navbar-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 300px; height: 100vh;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 80px var(--sp-6) var(--sp-6);
        gap: var(--sp-6);
        transition: right 0.35s ease;
        z-index: 999;
        border-left: 1px solid var(--border-color);
    }
    .navbar-menu.open { right: 0; }
    .navbar-links { flex-direction: column; gap: var(--sp-4); }
    .navbar-links a { font-size: 1.1rem; }
    .navbar-cta { flex-direction: column; width: 100%; }
    .navbar-cta .btn { width: 100%; }
    .menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 998;
        display: none;
    }
    .menu-overlay.active { display: block; }
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-hero);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    opacity: 0.4;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(106,61,232,0.2) 0%, transparent 70%);
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--sp-12);
}
.hero-content .overline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(74,108,247,0.1);
    border: 1px solid rgba(74,108,247,0.2);
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--sp-5);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.hero-content h1 {
    margin-bottom: var(--sp-5);
    line-height: 1.15;
}
.hero-content h1 .gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--sp-8);
    max-width: 520px;
    line-height: 1.8;
}
.hero-buttons {
    display: flex;
    gap: var(--sp-4);
    margin-bottom: var(--sp-8);
}
.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    color: var(--text-muted);
    font-size: 0.85rem;
}
.hero-trust .trust-item {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.hero-trust .trust-item svg { width: 16px; height: 16px; }

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-mockup {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--sp-8);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.hero-mockup .mockup-header {
    display: flex;
    gap: 6px;
    margin-bottom: var(--sp-5);
}
.hero-mockup .mockup-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
}
.hero-mockup .mockup-dot:nth-child(1) { background: #ef4444; }
.hero-mockup .mockup-dot:nth-child(2) { background: #f59e0b; }
.hero-mockup .mockup-dot:nth-child(3) { background: #10b981; }

.mockup-line {
    height: 12px;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    margin-bottom: 10px;
}
.mockup-line.w-60 { width: 60%; }
.mockup-line.w-80 { width: 80%; }
.mockup-line.w-40 { width: 40%; }
.mockup-line.accent { background: rgba(74,108,247,0.15); }

.mockup-card-mini {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.mockup-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}
.mockup-avatar.blue   { background: rgba(74,108,247,0.2); }
.mockup-avatar.green  { background: rgba(16,185,129,0.2); }
.mockup-avatar.purple { background: rgba(139,92,246,0.2); }

.floating-badge {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    font-size: 0.8rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
}
.floating-badge.top-right { top: -20px; right: -30px; }
.floating-badge.bottom-left { bottom: -20px; left: -30px; animation-delay: 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { margin-top: var(--sp-8); }
}
@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
}

/* ---------- Features ---------- */
.features { background: var(--bg-body); }
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--sp-8);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-light);
}
.feature-icon {
    width: 64px; height: 64px;
    margin: 0 auto var(--sp-5);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    background: rgba(74,108,247,0.1);
    color: var(--primary-light);
}
.feature-card h3 {
    margin-bottom: var(--sp-3);
    font-size: 1.15rem;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ---------- How It Works ---------- */
.how-it-works { background: var(--bg-surface); }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-8);
    position: relative;
}
.steps-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.3;
}
.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-weight: 800;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--sp-5);
    box-shadow: 0 0 30px var(--primary-glow);
}
.step-card h3 { margin-bottom: var(--sp-2); }
.step-card p { color: var(--text-secondary); font-size: 0.9rem; }

@media (max-width: 768px) {
    .steps-grid { grid-template-columns: 1fr; }
    .steps-grid::before { display: none; }
}

/* ---------- Pricing / Token Packages ---------- */
.pricing { background: var(--bg-body); }
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--sp-8);
    text-align: center;
    transition: var(--transition);
    position: relative;
}
.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.03);
}
.pricing-card.popular .popular-tag {
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    padding: 4px 18px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.pricing-card h3 {
    margin-bottom: var(--sp-2);
}
.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-white);
    margin: var(--sp-4) 0;
}
.pricing-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-tokens {
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: var(--sp-5);
}
.pricing-features {
    text-align: left;
    margin-bottom: var(--sp-6);
}
.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.pricing-card.popular:hover {
    transform: scale(1.03) translateY(-4px);
}

/* ---------- Testimonials ---------- */
.testimonials { background: var(--bg-surface); }
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
}
.testimonial-stars {
    color: #f59e0b;
    margin-bottom: var(--sp-3);
    font-size: 0.9rem;
}
.testimonial-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--sp-5);
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.testimonial-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
}
.testimonial-author-info h4 {
    font-size: 0.95rem;
    margin-bottom: 1px;
}
.testimonial-author-info p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---------- FAQ ---------- */
.faq { background: var(--bg-body); }
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-3);
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background: var(--bg-card);
    border: none;
    text-align: left;
    padding: 18px 24px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}
.faq-question:hover { background: var(--bg-card-hover); }
.faq-question .faq-icon {
    transition: transform 0.3s ease;
    font-size: 1.2rem;
    color: var(--text-muted);
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary-light); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
    max-height: 500px;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ---------- Blog Preview ---------- */
.blog-preview { background: var(--bg-surface); }
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, rgba(74,108,247,0.2), rgba(106,61,232,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-light);
}
.blog-card-body {
    padding: var(--sp-5);
}
.blog-card-body .blog-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--sp-2);
}
.blog-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: var(--sp-2);
}
.blog-card-body p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, #111d3a 0%, #0a0e1a 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    opacity: 0.3;
}
.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}
.cta-content h2 { margin-bottom: var(--sp-4); }
.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--sp-8);
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: var(--sp-16) 0 var(--sp-8);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-8);
    margin-bottom: var(--sp-12);
}
.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--sp-4);
    max-width: 320px;
    line-height: 1.7;
}
.footer-socials {
    display: flex;
    gap: var(--sp-3);
    margin-top: var(--sp-5);
}
.footer-socials a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}
.footer-socials a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.footer-col h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--sp-5);
    color: var(--text-primary);
}
.footer-col a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
    transition: var(--transition-fast);
}
.footer-col a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--sp-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-4);
}
.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}