/* ==========================================================================
   1. Base & Variables
   ========================================================================== */

/* Using Inter as a modern, readable font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');

:root {
    --color-primary: #0052cc;
    --color-primary-hover: #0041a3;
    --color-secondary: #ffc400; /* Accent for CTA */
    --color-dark: #172b4d;
    --color-text: #42526e;
    --color-light: #ffffff;
    --color-bg: #f4f5f7;
    --color-border: #dfe1e6;
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-light);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: 40px;
}

/* ==========================================================================
   2. Buttons & Shared Components
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    text-align: center;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-light);
}

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

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn--small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* ==========================================================================
   3. Header
   ========================================================================== */
.header {
    padding: 20px 0;
    background-color: var(--color-light);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.header__logo img {
    display: block;
}

.header__nav {
    display: none; /* Hidden on mobile */
}

.header__link {
    color: var(--color-text);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 700;
}
.header__link:hover {
    color: var(--color-primary);
}


/* ==========================================================================
   4. Hero Section
   ========================================================================== */
.hero {
    padding: 60px 0;
    background-color: var(--color-bg);
}

.hero__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero__title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: 30px;
    max-width: 600px;
}

.hero__image-wrapper {
    margin-top: 40px;
}

.hero__image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}


/* ==========================================================================
   5. Benefits Section
   ========================================================================== */
.benefits {
    padding: 60px 0;
}

.benefits__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.benefit-card {
    text-align: center;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-light);
}

.benefit-card__icon {
    margin-bottom: 20px;
    width: 80px;
    height: 80px;
}

.benefit-card__title {
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

/* ==========================================================================
   6. Reviews Section
   ========================================================================== */
.reviews {
    padding: 60px 0;
    background-color: var(--color-bg);
}

.reviews__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.review-card {
    background-color: var(--color-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.review-card__header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.review-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
    -o-object-fit: cover;
       object-fit: cover;
}

.review-card__author {
    font-style: normal;
    font-weight: 700;
    color: var(--color-dark);
    display: block;
}

.review-card__company {
    font-size: 0.9rem;
    color: var(--color-text);
}

.review-card__text p {
    font-size: 1.1rem;
    line-height: 1.5;
    font-style: italic;
    color: var(--color-dark);
}

/* ==========================================================================
   7. FAQ Section
   ========================================================================== */
.faq {
    padding: 60px 0;
}

.faq__container {
    max-width: 800px;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}
.faq__item:last-child {
    border-bottom: none;
}

.faq__question {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    padding: 20px 0;
    cursor: pointer;
    list-style: none; /* Remove default marker */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq__question::-webkit-details-marker {
    display: none; /* Chrome */
}

.faq__question::after {
    content: '+';
    font-size: 2rem;
    color: var(--color-primary);
    transition: transform var(--transition-speed) ease;
}

.faq__item[open] .faq__question::after {
    transform: rotate(45deg);
}

.faq__answer {
    padding-bottom: 20px;
    line-height: 1.7;
}
.faq__answer ul {
    padding-left: 20px;
}

/* ==========================================================================
   8. CTA Section
   ========================================================================== */
.cta {
    padding: 60px 0;
    background-color: var(--color-dark);
    color: var(--color-light);
}

.cta__container {
    text-align: center;
}

.cta__limit {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.cta__title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 10px;
}

.cta__gift {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta__button {
    animation: pulse 2s infinite;
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.footer {
    padding: 40px 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
}

.footer__email {
    color: var(--color-text);
    text-decoration: none;
}
.footer__email:hover {
    color: var(--color-primary);
}

.footer__copyright {
    font-size: 0.9rem;
}


/* ==========================================================================
   10. Animations
   ========================================================================== */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 82, 204, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(0, 82, 204, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 82, 204, 0);
    }
}


/* ==========================================================================
   11. Media Queries (Desktop-First)
   ========================================================================== */

/* Tablet and larger */
@media (min-width: 768px) {
    body {
        font-size: 18px;
    }

    .section-title {
        font-size: 3rem;
        margin-bottom: 60px;
    }

    .header__nav {
        display: block; /* Show nav on tablets and up */
    }

    .header__container .btn {
        display: none; /* Hide button in header if nav is visible */
    }

    .hero__container {
        flex-direction: row;
        text-align: left;
        align-items: center;
        gap: 40px;
    }
    
    .hero__content {
        flex: 1;
    }

    .hero__image-wrapper {
        flex: 1;
        margin-top: 0;
    }

    .benefits__grid,
    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cta__container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .cta__offer {
        margin-bottom: 0;
    }

    .footer__container {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Large desktop */
@media (min-width: 1024px) {
    .hero__title {
        font-size: 3.5rem;
    }
    
    .header__container .btn {
        display: inline-block; /* Show button again on large screens */
    }
}