/* Base Variables - Dark Theme */
:root {
    --color-bg-dark: #0f172a;
    --color-bg-darker: #020617;
    --color-bg-card: #1e293b;
    --color-primary: #3B82F6;
    --color-secondary: #10B981;
    --color-accent: #3B82F6;
    --color-text-main: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --color-success: #10B981;

    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Segoe UI', Roboto, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-pill: 9999px;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-text-main);
    background-color: var(--color-bg-darker);
    line-height: 1.6;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Utility Classes */
.container {
    padding: 0 var(--spacing-lg);
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--pill {
    border-radius: var(--border-radius-pill);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    font-weight: 500;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    font-weight: 500;
}

.btn--secondary {
    background-color: #E0F2FE;
    color: var(--color-primary);
}

.btn--block {
    display: flex;
    width: 100%;
    margin-top: var(--spacing-md);
}

/* Section 1: Header */
.header {
    padding: var(--spacing-md) 0;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
}

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

.logo__text {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.hamburger-menu {
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hamburger-menu span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
}

/* Mobile Nav Overlay */
.mobile-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: white;
    z-index: 99;
    padding: var(--spacing-md) 0;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav__list {
    margin-bottom: var(--spacing-lg);
}

.mobile-nav__item {
    padding: var(--spacing-sm) 0;
    font-size: 1.125rem;
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__item a {
    display: block;
    width: 100%;
}

/* Section 2: Hero */
.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg-darker) 0%, var(--color-bg-dark) 100%);
}

.hero__title {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-main);
}

.hero__description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

/* Hero Benefits */
.hero__benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl) auto;
    text-align: left;
}

.hero__benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.hero__benefit:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.hero__benefit-icon {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.hero__benefit-icon [data-lucide] {
    width: 24px;
    height: 24px;
    stroke-width: 2.5;
}

.hero__benefit span {
    color: var(--color-text-main);
    font-size: 0.9375rem;
    font-weight: 400;
}

/* Hero CTA */
.hero__cta {
    margin-top: var(--spacing-xl);
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.hero__cta-subtext {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Stats Carousel */
.stats-carousel {
    background: var(--color-bg-card);
    padding: var(--spacing-lg) 0;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-carousel__track {
    display: flex;
    gap: var(--spacing-xl);
    animation: scroll 20s linear infinite;
    width: max-content;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.stats-carousel__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
    color: white;
}

.stats-carousel__number {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.stats-carousel__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Section 3: Features */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-dark);
}

.feature-card {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.15);
}

.feature-card__icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    display: flex;
    justify-content: center;
}

.feature-card__icon [data-lucide] {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

.feature-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-card__description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Section 4: Testimonials */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-darker);
}

.testimonial {
    text-align: center;
}

.testimonial__text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial__author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.avatar-placeholder {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3B82F6 0%, #10B981 100%);
    border-radius: 50%;
}

.testimonial__name {
    font-weight: 600;
    font-style: normal;
}

.testimonial__role {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Section 5: CTA */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-dark);
}

.cta-section__title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.cta-section__description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* Section 6: Pricing */
.pricing {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-darker);
}

.pricing__title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.pricing__description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.15);
}

.pricing-card__plan {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.pricing-card__description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.pricing-card__price-container {
    margin-bottom: var(--spacing-md);
}

.pricing-card__price-old {
    text-decoration: line-through;
    color: var(--color-text-muted);
    font-size: 1rem;
}

.pricing-card__price {
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-success);
    margin: 0;
}

.pricing-card__list {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.pricing-card__list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.icon-check {
    color: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-check [data-lucide] {
    width: 20px;
    height: 20px;
    stroke-width: 3;
}

/* Section 7: Footer */
.footer {
    background-color: var(--color-bg-darker);
    color: var(--color-text-main);
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer__logo {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer__list--inline {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer__list a {
    color: #D1D5DB;
    font-size: 0.875rem;
}

.footer__list a:hover {
    color: white;
}

.footer__copyright {
    font-size: 0.75rem;
    color: #9CA3AF;
}

/* Carousel Styling */
.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    padding: 0 var(--spacing-xl);
    /* Make room for arrows */
}

.testimonial-track-container {
    overflow: hidden;
    width: 100%;
}

.testimonial-track {
    display: flex;
    transition: transform 0.4s ease-in-out;
    padding: var(--spacing-sm) 0;
}

.testimonial-slide {
    min-width: 100%;
    list-style: none;
    display: flex;
    justify-content: center;
}

/* Ensure testimonial card styling is robust */
.testimonial {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Carousel Buttons */
.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    z-index: 10;
}

.carousel-button:hover {
    background-color: var(--color-bg-light-lavender);
    transform: translateY(-50%) scale(1.1);
}

.carousel-button--left {
    left: 0;
}

.carousel-button--right {
    right: 0;
}

.carousel-button.is-hidden {
    display: none;
}

/* Indicators (Dots) */
.carousel-nav {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-xs);
}

.carousel-indicator {
    border: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #CBD5E1;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.3s;
}

.carousel-indicator.current-slide {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* ========================================
   DESKTOP RESPONSIVE STYLES
   ======================================== */

/* Desktop Navigation - Hidden on Mobile */
.header__nav {
    display: none;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__item a {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

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

/* Desktop Breakpoint: 768px and up */
@media (min-width: 768px) {

    /* Container */
    .container {
        max-width: 1200px;
        padding: 0 var(--spacing-xl);
    }

    /* Header */
    .header__nav {
        display: block;
    }

    .header__container {
        gap: var(--spacing-xl);
    }

    /* Hero Section */
    .hero {
        padding: 5rem 0 4rem 0;
    }

    .hero__title {
        font-size: 3.5rem;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.1;
    }

    .hero__description {
        font-size: 1.25rem;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero__benefits {
        max-width: 700px;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .btn--large {
        padding: 1.25rem 3rem;
        font-size: 1.25rem;
    }

    /* Features - 3 Column Grid */
    .features {
        padding: 5rem 0;
    }

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

    .feature-card {
        margin-bottom: 0;
    }

    /* Testimonials */
    .testimonials {
        padding: 5rem 0;
    }

    .testimonial-carousel {
        max-width: 900px;
    }

    .testimonial__text {
        font-size: 1.25rem;
    }

    /* CTA Section */
    .cta-section {
        padding: 6rem 0;
    }

    .cta-section__title {
        font-size: 2.75rem;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-section__description {
        font-size: 1.125rem;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Pricing */
    .pricing {
        padding: 6rem 0;
    }

    .pricing__title {
        font-size: 2.75rem;
    }

    .pricing__description {
        font-size: 1.125rem;
    }

    .pricing-card {
        max-width: 650px;
        margin: 0 auto;
        padding: var(--spacing-2xl);
    }

    .pricing-card__plan {
        font-size: 1.875rem;
    }

    .pricing-card__price {
        font-size: 4rem;
    }

    .pricing-card__list li {
        font-size: 1.0625rem;
    }

    /* Footer */
    .footer {
        padding: 5rem 0;
    }

    .footer__list--inline {
        gap: var(--spacing-lg);
    }

    /* Buttons */
    .btn {
        font-size: 1.0625rem;
        padding: 1.125rem 2.25rem;
    }

    .btn--small {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Large Desktop: 1024px and up */
@media (min-width: 1024px) {

    /* Container */
    .container {
        max-width: 1280px;
    }

    /* Hero */
    .hero {
        padding: 6rem 0 5rem 0;
    }

    .hero__title {
        font-size: 4rem;
        max-width: 1000px;
    }

    .hero__description {
        font-size: 1.375rem;
        max-width: 800px;
    }

    /* Features - More spacing */
    .features {
        padding: 6rem 0;
    }

    .features .container {
        gap: var(--spacing-2xl);
    }

    .feature-card {
        padding: var(--spacing-xl);
    }

    .feature-card__icon [data-lucide] {
        width: 56px;
        height: 56px;
    }

    .feature-card__title {
        font-size: 1.5rem;
    }

    .feature-card__description {
        font-size: 1.0625rem;
    }

    /* Testimonials */
    .testimonials {
        padding: 6rem 0;
    }

    /* CTA */
    .cta-section {
        padding: 7rem 0;
    }

    .cta-section__title {
        font-size: 3rem;
    }

    /* Pricing */
    .pricing {
        padding: 7rem 0;
    }

    .pricing__title {
        font-size: 3rem;
    }

    .pricing-card {
        max-width: 700px;
    }

    /* Footer */
    .footer {
        padding: 6rem 0;
    }
}