@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Montserrat:wght@700;800&display=swap');

:root {
    /* Color Palette */
    --clr-snow-white: #FAFAFA;
    --clr-absolute-black: #000000;
    --clr-navy-blue: #002B36; /* Darker Navy/Teal base */
    --clr-navy-blue-light: #004454;
    --clr-accent: #00A3C4; /* Matching the Teal from the shot */
    --clr-text-main: #1A1A1A;
    --clr-text-muted: #555555;
    --clr-text-on-dark: #FFFFFF;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --trans-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--clr-snow-white);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    line-height: 1.1;
    color: var(--clr-navy-blue);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--trans-fast);
}

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-xl) 0;
}

/* Components */
.btn {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--trans-fast);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--clr-navy-blue);
    color: var(--clr-text-on-dark);
}

.btn-primary:hover {
    background-color: var(--clr-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(29, 78, 216, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--trans-fast);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

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

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--clr-navy-blue);
}

.logo span {
    color: var(--clr-accent);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0; /* Hidden by default for intersection observer */
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Sections */

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--space-xl);
    background: radial-gradient(circle at top right, #f0f7ff 0%, var(--clr-snow-white) 50%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-mockup {
    margin-top: var(--space-lg);
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.hero-mockup img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.05);
}

/* Problem Section */
.problem {
    background-color: var(--clr-absolute-black);
    color: var(--clr-text-on-dark);
    text-align: center;
    position: relative;
}

.problem h2 {
    color: #fff;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    max-width: 800px;
    margin: 0 auto;
}

/* Method Section */
.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.step-card {
    background-color: #fff;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--trans-fast);
    border: 1px solid #f0f0f0;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-navy-blue);
}

.step-card i {
    font-size: 3rem;
    color: var(--clr-accent);
    margin-bottom: var(--space-md);
    display: block;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.step-card p {
    color: var(--clr-text-muted);
}

/* Value Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid #eee;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    background-color: #fff;
}

.comparison-table th, .comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.comparison-table th {
    background-color: #f8f9fa;
    color: var(--clr-navy-blue);
}

.comparison-table .feature-col {
    font-weight: 500;
    width: 40%;
}

.comparison-table .highlight {
    background-color: rgba(10, 25, 47, 0.02);
}

.comparison-table .social-imob-val {
    color: var(--clr-navy-blue);
    font-weight: 700;
}

/* Authority */
.authority-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.authority-text {
    flex: 1;
}

.authority-image-box {
    flex: 0 0 400px;
    height: 500px;
    background-color: #eee;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.authority-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.authority h2 {
    margin-bottom: var(--space-md);
}

.authority p {
    font-size: 1.125rem;
    color: var(--clr-text-muted);
}

/* Final CTA */
.final-cta {
    background-color: var(--clr-absolute-black);
    color: #fff;
    text-align: center;
}

.final-cta h2 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-sm);
}

.final-cta .price {
    font-size: 1.5rem;
    color: #aaa;
    margin-bottom: var(--space-lg);
}

/* Background Texture Utility */
.bg-textured {
    position: relative;
    z-index: 1;
}

.bg-texture-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
    mix-blend-mode: overlay;
    z-index: -1;
}

/* Mobile Adjustments */
@media (max-width: 992px) {
    .authority-content {
        flex-direction: column;
        text-align: center;
    }
    
    .authority-image-box {
        flex: 0 0 300px;
        width: 100%;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
}