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

/* ---- Header / Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
}

.navbar-logo:hover { color: var(--text-primary); }

.navbar-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--text-primary);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}

.navbar-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Hero Section ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.6s ease;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.hero-trust-icon {
    color: var(--success);
    font-size: 18px;
}

.hero-visual {
    position: relative;
    z-index: 2;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-mockup {
    max-width: 550px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    animation: float 6s ease-in-out infinite;
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

/* ---- Features Section ---- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    text-align: center;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}

.feature-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ---- How It Works ---- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    z-index: 0;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: #fff;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 99, 235, 0.3);
    animation: glow 3s ease-in-out infinite;
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 280px;
    margin: 0 auto;
}

/* ---- Pricing Section ---- */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.pricing-toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-toggle-label.active {
    color: var(--text-primary);
}

.pricing-switch {
    width: 56px;
    height: 28px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-base);
}

.pricing-switch.active {
    background: var(--primary);
}

.pricing-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--transition-base);
}

.pricing-switch.active::after {
    transform: translateX(28px);
}

.pricing-save {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: start;
}

.pricing-card {
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--gradient-primary);
    color: #fff;
    padding: 4px 40px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
}

.pricing-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.pricing-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.pricing-price {
    margin-bottom: var(--space-6);
}

.pricing-amount {
    font-size: var(--font-size-5xl);
    font-weight: 900;
}

.pricing-currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-secondary);
    vertical-align: super;
}

.pricing-period {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.pricing-features {
    margin-bottom: var(--space-8);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pricing-feature-icon {
    color: var(--success);
    flex-shrink: 0;
}

/* ---- Testimonials ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    padding: var(--space-6);
}

.testimonial-stars {
    color: var(--warning);
    margin-bottom: var(--space-4);
    font-size: 18px;
}

.testimonial-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.testimonial-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.testimonial-role {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ---- FAQ Section ---- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-icon {
    font-size: var(--font-size-xl);
    transition: transform var(--transition-base);
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: var(--space-4);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: var(--space-5);
}

.faq-answer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---- Blog Preview ---- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.blog-card {
    overflow: hidden;
}

.blog-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    opacity: 0.8;
}

.blog-content {
    padding: var(--space-5);
}

.blog-tag {
    font-size: var(--font-size-xs);
    color: var(--primary-light);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.blog-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--primary-light);
}

.blog-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.blog-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ---- CTA Section ---- */
.cta-section {
    position: relative;
    padding: var(--space-20) 0;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: var(--radius-xl);
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    position: relative;
}

.cta-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand-name {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-brand-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.footer-socials {
    display: flex;
    gap: var(--space-3);
}

.footer-social {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 18px;
}

.footer-social:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.footer-link {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-4);
}

/* ---- Mobile Responsive ---- */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content { max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-trust { justify-content: center; flex-wrap: wrap; }
    .hero-visual { display: none; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid::before { display: none; }
    .pricing-card.popular { transform: scale(1); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-menu, .navbar-actions { display: none; }
    .navbar-toggle { display: flex; }
    
    .navbar-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-6);
        border-bottom: 1px solid var(--border);
        gap: var(--space-4);
    }
    
    .navbar-actions.active {
        display: flex;
        position: absolute;
        top: calc(var(--header-height) + 200px);
        left: 0;
        right: 0;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        padding: 0 var(--space-6) var(--space-6);
        border-bottom: 1px solid var(--border);
    }
    
    .hero-title { font-size: var(--font-size-4xl); }
    .hero-actions { flex-direction: column; align-items: center; }
    
    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: var(--space-8); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
}