/*
 * NextEmail.ai Marketing Site Styles
 * ===================================
 * Marketing-specific styles that build on the design system
 * Version: 1.0.0
 */

/* =========================================================================
   HEADER / NAVIGATION
   ========================================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-brand-600), var(--color-accent-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-gray-900);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    padding: var(--space-2);
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-gray-700);
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .nav-cta .btn-ghost {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-12)) 0 var(--space-12);
    background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 50%, #f5f3ff 100%);
    overflow: hidden;
}

.hero-orb-1 {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -100px;
    animation: pulse 8s ease-in-out infinite;
}

.hero-orb-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -150px;
    left: -100px;
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-brand-700);
    margin-bottom: var(--space-6);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

/* Beta badge variation */
.hero-badge-beta {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1.5px solid #f59e0b;
    color: #92400e;
    font-weight: var(--font-semibold);
    animation: pulse-beta 2s ease-in-out infinite;
}

.hero-badge-beta svg {
    color: #f59e0b;
}

@keyframes pulse-beta {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
    50% { box-shadow: 0 0 12px 4px rgba(245, 158, 11, 0.3); }
}

.hero h1 {
    font-size: var(--text-6xl);
    font-weight: var(--font-extrabold);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-brand-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(70px + var(--space-12));
    }

    .hero h1 {
        font-size: var(--text-4xl);
    }

    .hero p {
        font-size: var(--text-lg);
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-6);
    }
}

/* =========================================================================
   FEATURES SECTION
   ========================================================================= */

.features {
    padding: var(--space-16) 0;
    background: #ffffff;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-12);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--color-brand-50);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-brand-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-header h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: #ffffff;
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-brand-500), var(--color-accent-500));
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: #ffffff;
}

.feature-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-card p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

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

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Feature Detail - Two Column Layout */
.feature-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.feature-detail.reversed {
    direction: rtl;
}

.feature-detail.reversed > * {
    direction: ltr;
}

.feature-detail-content h2 {
    margin-bottom: var(--space-4);
}

.feature-detail-visual {
    padding: var(--space-8);
}

@media (max-width: 900px) {
    .feature-detail {
        gap: var(--space-10);
    }
}

@media (max-width: 768px) {
    .feature-detail {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .feature-detail.reversed {
        direction: ltr;
    }

    /* On mobile, always show content first, then visual */
    .feature-detail-visual {
        order: 2;
    }

    .feature-detail-content {
        order: 1;
    }
}

/* =========================================================================
   HOW IT WORKS
   ========================================================================= */

.how-it-works {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, #f8faff 0%, #f5f3ff 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-brand-600), var(--color-accent-600));
    color: #ffffff;
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    border-radius: 50%;
    margin: 0 auto var(--space-5);
}

.step h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.step p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

/* =========================================================================
   SOCIAL PROOF / TESTIMONIALS
   ========================================================================= */

.social-proof {
    padding: var(--space-16) 0;
    background: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.testimonial-card {
    padding: var(--space-8);
    background: #ffffff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
    color: #fbbf24;
}

.testimonial-rating svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.testimonial-text {
    font-size: var(--text-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-brand-200), var(--color-accent-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    color: var(--color-brand-700);
}

.testimonial-name {
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
}

.testimonial-title {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

@media (max-width: 900px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================================================
   PRICING SECTION
   ========================================================================= */

.pricing {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, #f8faff 0%, #f5f3ff 100%);
}

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

.pricing-toggle span {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.pricing-toggle span.active {
    color: var(--color-gray-900);
    font-weight: var(--font-semibold);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    align-items: start;
}

.pricing-card {
    background: #ffffff;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--color-gray-200);
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--color-brand-500);
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: linear-gradient(135deg, var(--color-brand-600), var(--color-accent-600));
    color: #ffffff;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-gray-200);
}

.pricing-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.pricing-currency {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--color-gray-500);
}

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

.pricing-period {
    font-size: var(--text-base);
    color: var(--color-gray-500);
}

.pricing-description {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-cta {
    width: 100%;
}

@media (max-width: 900px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }
}

/* =========================================================================
   BETA PRICING ELEMENTS
   ========================================================================= */

/* Beta promo banner */
.beta-promo-banner {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: var(--space-4) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-sticky) + 1);
    box-shadow: var(--shadow-sm);
}

.beta-promo-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.beta-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    background: #f59e0b;
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.beta-promo-text {
    color: #92400e;
    font-size: var(--text-sm);
}

/* Adjust pricing section to account for beta banner */
.beta-promo-banner + .pricing {
    padding-top: calc(80px + 56px + var(--space-8)) !important;
}

/* Beta pricing card */
.pricing-card.beta-card {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 2px solid #f59e0b;
}

.pricing-card.beta-card .pricing-amount {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pricing badge */
.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-brand-600), var(--color-accent-600));
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-badge.future {
    background: var(--color-gray-500);
}

/* Future plan styling */
.pricing-card.future-plan {
    opacity: 0.85;
    border-style: dashed;
}

/* Beta discount text */
.beta-discount {
    color: #059669;
    font-weight: var(--font-semibold);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .beta-promo-banner {
        padding: var(--space-3) var(--space-4);
    }

    .beta-promo-content {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }

    .beta-promo-text {
        font-size: var(--text-xs);
    }
}

/* =========================================================================
   CTA SECTION
   ========================================================================= */

.cta-section {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-brand-600), var(--color-accent-600));
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -300px;
    right: -200px;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: var(--text-4xl);
    color: #ffffff;
    margin-bottom: var(--space-4);
}

.cta-section p {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.cta-section .btn-primary {
    background: #ffffff;
    color: var(--color-brand-600);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
}

/* =========================================================================
   FOOTER
   ========================================================================= */

.site-footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 280px;
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: 0;
}

.footer-column h4 {
    color: #ffffff;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-800);
    font-size: var(--text-sm);
}

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

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    border-radius: var(--radius-lg);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-brand-600);
    color: #ffffff;
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}