/* ============================================================================
   TaxNAO Coming Soon Page - CSS Styles
   Design System v4.0 - Matching India Landing Page
   ============================================================================ */

/* ============================================================================
   CSS Variables - Design System v4.0
   ============================================================================ */
:root {
    /* Colors */
    --primary: #4154F1;              /* Vibrant Blue */
    --secondary: #32297C;            /* Deep Purple */
    --accent: #FFC37C;               /* Warm Orange */
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --text-muted: #6c757d;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4154F1 0%, #32297C 100%);
    --gradient-accent: linear-gradient(135deg, #4154F1 0%, #FFC37C 100%);

    /* Typography */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Border Radius - Ultra-rounded */
    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-lg: 32px;
    --radius-xl: 48px;
    --radius-pill: 999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ============================================================================
   Hero Section
   ============================================================================ */
.hero-section {
    position: relative;
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

/* Hero Decorative Circles */
.hero-decoration-1,
.hero-decoration-2 {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.hero-decoration-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.hero-decoration-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

/* Logo Container */
.logo-container {
    margin-bottom: var(--spacing-lg);
}

.logo {
    width: 140px;
    height: 140px;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.3));
}

.brand-name {
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--white);
    margin: 0;
    letter-spacing: -0.02em;
}

.brand-prefix {
    font-weight: 300;
    color: var(--white);
}

.brand-suffix {
    font-weight: 700;
    color: var(--white);
}

/* Hero Text */
.hero-text {
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    color: var(--white);
    margin-bottom: 2rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.hero-title .text-accent {
    font-weight: 600;
    color: var(--accent);
    display: block;
    margin-top: 0.5rem;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* Coming Soon Badge */
.badge-container {
    margin-top: 3rem;
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
    background: rgba(255, 195, 124, 0.15);
    backdrop-filter: blur(16px);
    border: 2px solid rgba(255, 195, 124, 0.3);
    padding: 1.125rem 3rem;
    border-radius: var(--radius-pill);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--white);
    box-shadow: 0 8px 32px rgba(255, 195, 124, 0.2);
    animation: pulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.coming-soon-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(255, 195, 124, 0.3);
}

.coming-soon-badge i {
    font-size: 1.75rem;
}

/* ============================================================================
   How It Works Section
   ============================================================================ */
.how-it-works-section {
    background-color: var(--light-gray);
    padding: 5rem 0 6rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 1.5rem auto 0;
    line-height: 1.6;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.step-badge {
    display: inline-block;
    background-color: var(--secondary);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    flex-shrink: 0;
}

.step-icon {
    font-size: 4rem;
    color: var(--primary);
    margin: var(--spacing-sm) 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================================================
   Benefits Section
   ============================================================================ */
.benefits-section {
    padding: 5rem 0 6rem;
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-card {
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.benefit-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================================================
   Social Links Section
   ============================================================================ */
.social-section {
    background-color: var(--light-gray);
    padding: var(--spacing-lg) 0;
}

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

.social-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--primary);
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   Footer
   ============================================================================ */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-text {
    margin: 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================================================
   Animations
   ============================================================================ */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* Fade In Animations */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

.fade-in-delay-1 {
    animation: fadeIn 0.8s ease-in-out 0.2s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease-in-out 0.4s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 0.8s ease-in-out 0.6s backwards;
}

.fade-in-delay-4 {
    animation: fadeIn 0.8s ease-in-out 0.8s backwards;
}

.fade-in-delay-5 {
    animation: fadeIn 0.8s ease-in-out 1s backwards;
}

.fade-in-delay-6 {
    animation: fadeIn 0.8s ease-in-out 1.2s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .logo {
        width: 100px;
        height: 100px;
    }

    .brand-name {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .coming-soon-badge {
        font-size: 1rem;
        padding: 0.875rem 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero-decoration-1 {
        width: 400px;
        height: 400px;
    }

    .hero-decoration-2 {
        width: 300px;
        height: 300px;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .logo {
        width: 80px;
        height: 80px;
    }

    .brand-name {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

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

    .coming-soon-badge {
        font-size: 0.875rem;
        padding: 0.75rem 1.5rem;
    }

    .coming-soon-badge i {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .step-icon {
        font-size: 3rem;
    }

    .step-title {
        font-size: 1.25rem;
    }

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

    .benefit-title {
        font-size: 1.125rem;
    }

    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }

    .hero-decoration-1,
    .hero-decoration-2 {
        display: none;
    }
}

/* Desktop (Large screens) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}