/* 
   Hiva App - Modern Static Website 
   Design System & Global Styles
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');
@import url('quiz_styles.css');

:root {
    /* Colors - Dark Premium Theme */
    --color-bg-dark: #0a0a0f;
    /* Very dark blue/black */
    --color-bg-card: rgba(255, 255, 255, 0.05);
    --color-primary: #8b5cf6;
    /* Violet */
    --color-primary-glow: rgba(139, 92, 246, 0.5);
    --color-secondary: #06b6d4;
    /* Cyan */
    --color-accent: #f43f5e;
    /* Rose/Red for H icon center if needed */
    --color-text-main: #ffffff;
    --color-text-muted: #9ca3af;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;

    /* Effects */
    --glass-bg: rgba(20, 20, 30, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --backdrop-blur: blur(12px);
    --transition-fast: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--color-text-main) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-highlight {
    color: var(--color-primary);
}

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

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

.card {
    background: var(--color-bg-card);
    border: var(--glass-border);
    backdrop-filter: var(--backdrop-blur);
    padding: var(--spacing-md);
    border-radius: 1rem;
    transition: var(--transition-fast);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-text-main);
}

.logo img {
    height: 40px;
    width: auto;
}

/* Ensure header items fit on mobile */
.header-container {
    gap: 0.5rem;
}

@media (max-width: 768px) {

    /* Scale down logo slightly on mobile to make room */
    .logo {
        font-size: 1.2rem;
    }

    .logo img {
        height: 30px;
    }

    /* Make download button smaller on mobile main header */
    .header .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

.nav-desktop {
    display: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-main);
}

.mobile-menu-btn {
    display: block;
    background: transparent;
    border: none;
    color: var(--color-text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Background Blobs */
.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
}

.blob-2 {
    bottom: 0%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--color-secondary);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-bg-dark);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    transition: transform 0.3s ease-in-out;
    border-bottom: 1px solid var(--color-border);
    z-index: 999;
}

.mobile-nav.open {
    transform: translateY(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

/* Media Queries */
@media (min-width: 768px) {
    .nav-desktop {
        display: block;
    }

    .mobile-menu-btn {
        display: none;
    }

    h1 {
        font-size: 4rem;
    }

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

@media (min-width: 1024px) {
    h1 {
        font-size: 5rem;
    }

    /* More specific layout adjustments */
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 4rem;
        --header-height: 70px;
    }

    h1 {
        font-size: 2.25rem !important;
    }

    h2 {
        font-size: 1.8rem !important;
    }

    h3 {
        font-size: 1.5rem !important;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 1rem !important;
    }

    .blob-1,
    .blob-2 {
        width: 300px;
        height: 300px;
        opacity: 0.2;
    }

    /* Quiz Mobile Adjustments */
    .quiz-card {
        padding: 1.5rem;
    }

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

    .step-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    /* Filter buttons on methods page */
    .flex-center {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
        flex: 1 1 auto;
        /* Allow wrap */
    }

    /* Support Form */
    textarea,
    input,
    select {
        padding: 0.8rem !important;
    }
}