/* ========================================
   TOTAL ADBLOCK LANDING PAGE
   Premium Pastel Theme - Desktop First
   ======================================== */

/* ========================================
   COLOR PALETTE
   ======================================== */
:root {
    --soft-cream: #FFFBDE;
    --pastel-blue: #91C8E4;
    --white: #FFFFFF;
    --slate-blue: #4682A9;
    --slate-blue-dark: #3a6c8e;
    --text-dark: #222;
    --text-body: #333;
    --border-pastel: rgba(145, 200, 228, 0.2);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--white);
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3 {
    color: var(--slate-blue);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.4rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.2rem;
    line-height: 1.75;
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-white {
    background: var(--white);
}

.section-cream {
    background: var(--soft-cream);
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.content-block {
    max-width: 900px;
    margin: 0 auto;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    background: var(--white);
    border-bottom: 2px solid var(--border-pastel);
    padding: 1.25rem 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--slate-blue);
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
    display: flex;
    align-items: center;
}

.logo-text {
    letter-spacing: -0.01em;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-header {
    padding: 0.75rem 2rem;
    font-size: 1rem;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--pastel-blue) 0%, var(--soft-cream) 100%);
    padding: 7rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--white);
    opacity: 0.15;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: var(--slate-blue);
    opacity: 0.08;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--slate-blue);
    max-width: 1000px;
    margin: 0 auto 1.5rem;
}

.hero-subtext {
    font-size: 1.15rem;
    color: var(--text-body);
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--slate-blue);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(70, 130, 169, 0.3);
}

.btn-primary:hover {
    background: var(--slate-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(70, 130, 169, 0.4);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

/* ========================================
   FEATURES GRID
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    border: 2px solid var(--border-pastel);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(145, 200, 228, 0.25);
    border-color: var(--pastel-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
    color: var(--text-body);
}

/* ========================================
   CHECKLIST
   ======================================== */
.checklist {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 2rem auto;
}

.checklist li {
    font-size: 1.15rem;
    padding: 1rem 0;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-pastel);
}

.checklist li:last-child {
    border-bottom: none;
}

/* ========================================
   COMPATIBILITY GRID
   ======================================== */
.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.compatibility-item {
    background: var(--white);
    border: 2px solid var(--border-pastel);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    font-weight: 600;
    color: var(--slate-blue);
    transition: all 0.3s ease;
}

.compatibility-item:hover {
    background: var(--pastel-blue);
    color: var(--white);
    transform: translateY(-3px);
}

.compatibility-item.full-width {
    grid-column: 1 / -1;
}

.note {
    font-size: 0.95rem;
    color: #666;
    font-style: italic;
    margin-top: 1.5rem;
}

/* ========================================
   CTA SECTION
   ======================================== */
.section-cta {
    background: var(--pastel-blue);
    padding: 6rem 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--slate-blue);
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.15rem;
    color: var(--text-body);
    margin-bottom: 2.5rem;
}

/* ========================================
   DISCLAIMER SECTION
   ======================================== */
.section-disclaimer {
    background: var(--soft-cream);
    padding: 4rem 0;
}

.section-disclaimer h2 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-disclaimer p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #555;
    text-align: center;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--soft-cream);
    padding: 2.5rem 0 1.5rem;
    border-top: 2px solid var(--border-pastel);
}

.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-pastel);
}

.footer-nav a {
    color: var(--text-body);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.footer-nav a:hover {
    color: var(--slate-blue);
}

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

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

/* ========================================
   ANIMATIONS
   ======================================== */
/* .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
} */

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }

    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .compatibility-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 4rem 0;
    }

    .hero {
        padding: 5rem 0;
    }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    .header {
        padding: 1rem 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-icon {
        font-size: 1.6rem;
    }

    .btn-header {
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem;
    }

    .section {
        padding: 3rem 0;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-subtext {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .compatibility-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .btn {
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }

    .btn-large {
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }

    .checklist li {
        font-size: 1rem;
        padding: 0.8rem 0;
    }

    .section-title {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.9rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .section {
        padding: 2.5rem 0;
    }

    .feature-icon {
        font-size: 2.5rem;
    }
}