/* ==========================================================================
   AQUABURN — OFFICIAL LANDING PAGE STYLESHEET
   Brand Color: Sky Blue (#0096FF)
   Font: Jost (Modern, clean, highly readable)
   ========================================================================== */

/* -----------------------------------------
   1. GOOGLE FONTS & CSS CUSTOM PROPERTIES
   ----------------------------------------- */
@import url('https://fonts.googleapis.com/css?family=Jost:100,200,300,400,500,600,700,800,900,100i,200i,300i,400i,500i,600i,700i,800i,900i&display=swap');

:root {
    /* ---- Brand Colors ---- */
    --brand-primary:      #0096FF;     /* Primary brand color - Sky Blue */
    --brand-primary-dark: #007ACC;     /* Darker shade for hover / borders */
    --brand-light:        #e3f2fd;     /* Very light tint for section backgrounds */

    /* ---- CTA Button Colors ---- */
    --brand-cta:          #e6a817;     /* Warm amber for CTA */
    --brand-cta-hover:    #cc9410;     /* Darker amber on hover */

    /* ---- Neutral Typography ---- */
    --brand-dark:         #1a1a2e;     /* Deep navy-black for headings */
    --white:              #ffffff;     /* Pure white */
}

/* -----------------------------------------
   2. GLOBAL RESET & BASE STYLES
   ----------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Jost', sans-serif;
    color: var(--brand-dark);
    background-color: var(--white);
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
}

/* -----------------------------------------
   3. BOOTSTRAP OVERRIDE
   ----------------------------------------- */
.text-success,
.text-primary {
    color: var(--brand-primary) !important;
}

.bg-success {
    background-color: var(--brand-primary) !important;
}

.border-success {
    border-color: var(--brand-primary) !important;
}

/* Inline keyword color helper */
.text-purple-label {
    color: var(--brand-primary);
}

/* -----------------------------------------
   4. CTA BUTTON OVERRIDE (btn-warning)
   ----------------------------------------- */
.btn-warning {
    background-color: var(--brand-cta) !important;
    border-color: var(--brand-cta) !important;
    color: var(--white) !important;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease-in-out;
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: var(--brand-cta-hover) !important;
    border-color: var(--brand-cta-hover) !important;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(230, 168, 23, 0.35) !important;
}

/* -----------------------------------------
   5. HEADER / STICKY NAVIGATION
   ----------------------------------------- */
.header {
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--brand-primary);
    z-index: 1050;
}

.logo h2 {
    color: var(--brand-primary) !important;
    letter-spacing: -0.5px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 600;
    transition: color 0.25s ease;
}

.nav-links a:hover {
    color: var(--brand-primary) !important;
}

/* -----------------------------------------
   6. MOBILE SIDEBAR NAVIGATION
   ----------------------------------------- */
.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background-color: var(--brand-primary);
    z-index: 1060;
    transition: right 0.38s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 30px 20px;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
}

.mobile-sidebar.open {
    right: 0;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 34px;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.close-btn:hover {
    color: var(--brand-light);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 86, 179, 0.65);
    backdrop-filter: blur(3px);
    z-index: 1055;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* -----------------------------------------
   7. UTILITY CLASSES & ANIMATIONS
   ----------------------------------------- */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-7px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12) !important;
}

.drop-shadow {
    filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.14));
}

@keyframes pulse {
    0%   { transform: scale(1);    box-shadow: 0 0 0 0   rgba(230, 168, 23, 0.65); }
    50%  { transform: scale(1.02); box-shadow: 0 0 0 14px rgba(230, 168, 23, 0);   }
    100% { transform: scale(1);    box-shadow: 0 0 0 0   rgba(230, 168, 23, 0);    }
}

.pulse-btn {
    animation: pulse 2.4s infinite;
}

/* -----------------------------------------
   8. HERO SECTION
   ----------------------------------------- */
.hero-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--brand-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-badge {
    background-color: var(--brand-primary);
    color: var(--white);
    font-size: 12px;
    letter-spacing: 0.5px;
}

/* -----------------------------------------
   9. BENEFIT CARDS
   ----------------------------------------- */
.benefit-card {
    background-color: var(--white);
    border-bottom: 4px solid var(--brand-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0, 150, 255, 0.15) !important;
}

/* -----------------------------------------
   10. INGREDIENT CARDS
   ----------------------------------------- */
.ingredient-card {
    background-color: var(--white);
    border-left: 4px solid var(--brand-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ingredient-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0, 150, 255, 0.12) !important;
}

.ingredient-icon {
    border: 3px solid var(--brand-light);
    box-shadow: 0 4px 10px rgba(0, 150, 255, 0.15);
}

/* -----------------------------------------
   11. REVIEW CARDS
   ----------------------------------------- */
.review-card {
    border-top: 4px solid var(--brand-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 150, 255, 0.1) !important;
}

/* -----------------------------------------
   12. PRICING CARDS
   ----------------------------------------- */
.pricing-card {
    border: 3px solid #dcd4e1;
    background: var(--white);
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-6px);
}

.pricing-card--featured {
    border-color: var(--brand-primary);
    background: linear-gradient(to bottom, #ffffff, #e3f2fd);
    transform: scale(1.05);
    box-shadow: 0 18px 45px rgba(0, 150, 255, 0.2);
    z-index: 2;
    position: relative;
}

.pricing-card--featured:hover {
    transform: scale(1.05) translateY(-6px);
}

.pkg-header {
    background-color: #dcd4e1;
    color: var(--white);
    font-weight: 800;
    padding: 14px 10px;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-align: center;
}

.pkg-header--featured {
    background-color: var(--brand-primary);
    font-size: 1.2rem;
}

.pkg-title {
    color: var(--brand-primary);
    font-size: 1.7rem;
    font-weight: 800;
    margin-top: 16px;
    line-height: 1.1;
}

.pkg-subtitle {
    color: #555;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.pkg-image-wrapper {
    min-height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.price-display {
    display: flex;
    justify-content: center;
    align-items: baseline;
    color: var(--brand-primary);
    margin-bottom: 12px;
}

.price-display .big-price {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -2px;
}

.price-display .per-bottle {
    font-size: 1.2rem;
    font-weight: 600;
    margin-left: 5px;
}

.btn-buy-now {
    display: block;
    width: 85%;
    margin: 0 auto 12px auto;
    background: linear-gradient(to bottom, #e6a817, #cc8f0e);
    color: var(--white) !important;
    font-weight: 900;
    font-size: 1.5rem;
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 0 #9d6c0a, 0 10px 18px rgba(0, 0, 0, 0.18);
    transition: all 0.18s ease;
    text-align: center;
}

.btn-buy-now:hover {
    background: linear-gradient(to bottom, #f0b428, #da9e17);
    transform: translateY(2px);
    box-shadow: 0 4px 0 #9d6c0a, 0 6px 10px rgba(0, 0, 0, 0.15);
}

.btn-buy-now:active {
    transform: translateY(6px);
    box-shadow: 0 0 0 #9d6c0a;
}

.btn-buy-now--featured {
    background: linear-gradient(to bottom, #33A5FF, #0096FF);
    box-shadow: 0 6px 0 #007ACC, 0 10px 18px rgba(0, 150, 255, 0.3);
    font-size: 1.6rem;
    color: var(--white) !important;
}

.btn-buy-now--featured:hover {
    background: linear-gradient(to bottom, #4DB3FF, #1A9FFF);
    box-shadow: 0 4px 0 #007ACC, 0 6px 12px rgba(0, 150, 255, 0.25);
}

.bottom-price {
    font-size: 1rem;
    font-weight: 800;
    color: #222;
}

.bottom-price del {
    color: #999;
    font-weight: 600;
}

.free-shipping-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--brand-primary);
}

/* -----------------------------------------
   13. GUARANTEE SECTION
   ----------------------------------------- */
.guarantee-section .col-md-4 {
    background-color: var(--brand-light) !important;
}

/* -----------------------------------------
   14. FOOTER SECTION
   ----------------------------------------- */
.footer-section {
    border-top-color: var(--brand-primary) !important;
}

.footer-section a:hover {
    color: var(--brand-primary) !important;
}

/* -----------------------------------------
   15. RESPONSIVE DESIGN
   ----------------------------------------- */
@media (max-width: 991px) {
    .display-5 { font-size: 2.3rem; }
    .display-6 { font-size: 1.9rem; }

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

    .hero-section ul {
        text-align: left;
        display: inline-block;
        margin: 0 auto;
    }

    .hero-section .d-flex.flex-sm-row {
        justify-content: center;
    }

    .pricing-card--featured {
        transform: scale(1);
    }

    .pricing-card--featured:hover {
        transform: translateY(-6px);
    }
}

@media (max-width: 767px) {
    .display-5 { font-size: 2rem; }
    .display-6 { font-size: 1.65rem; }

    .pricing-section [class*="col-"] {
        margin-bottom: 20px;
    }

    .footer-section .d-flex {
        flex-direction: column;
        gap: 12px;
    }

    .btn-buy-now {
        font-size: 1.3rem;
    }

    .price-display .big-price {
        font-size: 3.8rem;
    }
}