/* ============================================================
   APK Downloader — Premium Design System
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
    /* Dark theme (default) */
    --bg-primary: #07070f;
    --bg-secondary: #0d0d1a;
    --bg-tertiary: #131325;
    --bg-surface: #16162b;
    --bg-card: rgba(255, 255, 255, 0.025);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --bg-input: rgba(255, 255, 255, 0.04);

    --border-color: rgba(255, 255, 255, 0.07);
    --border-color-hover: rgba(255, 255, 255, 0.14);
    --border-color-focus: rgba(61, 220, 132, 0.5);

    --text-primary: #ededf5;
    --text-secondary: #9d9db8;
    --text-tertiary: #5e5e78;
    --text-inverse: #07070f;

    --accent-green: #3DDC84;
    --accent-green-dim: rgba(61, 220, 132, 0.12);
    --accent-blue: #4FC3F7;
    --accent-blue-dim: rgba(79, 195, 247, 0.12);
    --accent-purple: #B388FF;
    --accent-purple-dim: rgba(179, 136, 255, 0.12);
    --accent-orange: #FFB74D;
    --accent-orange-dim: rgba(255, 183, 77, 0.12);
    --accent-cyan: #4DD0E1;
    --accent-cyan-dim: rgba(77, 208, 225, 0.12);
    --accent-pink: #FF80AB;
    --accent-pink-dim: rgba(255, 128, 171, 0.12);

    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 24px;

    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow-green: 0 0 40px rgba(61, 220, 132, 0.12);
    --shadow-glow-blue: 0 0 40px rgba(79, 195, 247, 0.1);

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

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 700ms;

    /* Header */
    --header-height: 72px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f6fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #ebedf5;
    --bg-surface: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-input: rgba(0, 0, 0, 0.03);

    --border-color: rgba(0, 0, 0, 0.07);
    --border-color-hover: rgba(0, 0, 0, 0.14);
    --border-color-focus: rgba(61, 220, 132, 0.6);

    --text-primary: #111128;
    --text-secondary: #4a4a68;
    --text-tertiary: #8585a0;
    --text-inverse: #ededf5;

    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(0, 0, 0, 0.06);

    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.1);
    --shadow-glow-green: 0 0 40px rgba(61, 220, 132, 0.08);
    --shadow-glow-blue: 0 0 40px rgba(79, 195, 247, 0.06);

    --accent-green-dim: rgba(61, 220, 132, 0.1);
    --accent-blue-dim: rgba(79, 195, 247, 0.1);
    --accent-purple-dim: rgba(179, 136, 255, 0.1);
    --accent-orange-dim: rgba(255, 183, 77, 0.1);
    --accent-cyan-dim: rgba(77, 208, 225, 0.1);
    --accent-pink-dim: rgba(255, 128, 171, 0.1);
}


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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--duration-slow) var(--ease-out),
                color var(--duration-slow) var(--ease-out);
}

a {
    color: var(--accent-green);
    text-decoration: none;
    transition: color var(--duration-fast) ease;
}

a:hover {
    color: var(--accent-blue);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

select {
    font-family: inherit;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}


/* ---- Container ---- */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}


/* ---- Section Titles ---- */
.section__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-3);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    text-align: center;
    max-width: 560px;
    margin: 0 auto var(--space-16);
    line-height: 1.5;
}


/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--duration-base) ease,
                border-color var(--duration-base) ease,
                box-shadow var(--duration-base) ease;
}

.header.scrolled {
    background: rgba(7, 7, 15, 0.85);
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.88);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    text-decoration: none;
    transition: opacity var(--duration-fast) ease;
}

.nav__logo:hover {
    color: var(--text-primary);
    opacity: 0.85;
}

.nav__logo-icon {
    color: var(--accent-green);
    flex-shrink: 0;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav__link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast) ease,
                background var(--duration-fast) ease;
    text-decoration: none;
}

.nav__link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .nav__link:hover {
    background: rgba(0, 0, 0, 0.04);
}

/* Theme Toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease,
                background var(--duration-fast) ease;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.theme-icon--moon {
    display: none;
}

[data-theme="light"] .theme-icon--sun {
    display: none;
}

[data-theme="light"] .theme-icon--moon {
    display: block;
}

/* Mobile Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    gap: 5px;
    z-index: 1001;
}

.nav__toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--duration-base) var(--ease-out),
                opacity var(--duration-fast) ease;
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    overflow: hidden;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 220, 132, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse 60% 40% at 70% 80%, rgba(79, 195, 247, 0.04) 0%, transparent 50%),
                var(--bg-primary);
}

[data-theme="light"] .hero {
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 220, 132, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse 60% 40% at 70% 80%, rgba(79, 195, 247, 0.06) 0%, transparent 50%),
                var(--bg-primary);
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.6;
}

[data-theme="light"] .hero__particles {
    opacity: 0.3;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    opacity: 0.3;
    animation: glowFloat 8s ease-in-out infinite alternate;
}

.hero__glow--1 {
    width: 500px;
    height: 500px;
    background: var(--accent-green);
    top: -15%;
    left: -10%;
    opacity: 0.06;
}

.hero__glow--2 {
    width: 400px;
    height: 400px;
    background: var(--accent-blue);
    bottom: -10%;
    right: -5%;
    opacity: 0.05;
    animation-delay: 3s;
    animation-direction: alternate-reverse;
}

[data-theme="light"] .hero__glow--1 {
    opacity: 0.08;
}

[data-theme="light"] .hero__glow--2 {
    opacity: 0.06;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 780px;
}

/* Badge */
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--accent-green-dim);
    border: 1px solid rgba(61, 220, 132, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-green);
    margin-bottom: var(--space-8);
    letter-spacing: 0.01em;
}

.hero__badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s ease-in-out infinite;
}

/* Title */
.hero__title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.hero__title-accent {
    display: block;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-top: var(--space-2);
}

/* Subtitle */
.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 620px;
    margin: 0 auto var(--space-10);
}

/* Trust Indicators */
.hero__trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.hero__trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
}

.hero__trust-item svg {
    color: var(--accent-green);
    flex-shrink: 0;
}

.hero__trust-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

/* Rating */
.hero__rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.hero__stars {
    display: flex;
    gap: 2px;
}

.hero__rating-text {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    font-weight: 500;
}


/* ============================================================
   DOWNLOAD FORM
   ============================================================ */
.download-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-md);
    max-width: 680px;
    margin: 0 auto;
    transition: border-color var(--duration-base) ease,
                box-shadow var(--duration-base) ease;
}

.download-form:focus-within {
    border-color: var(--border-color-focus);
    box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

/* Tags */
.download-form__tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.download-form__tag {
    padding: var(--space-1) var(--space-3);
    background: var(--accent-green-dim);
    border: 1px solid rgba(61, 220, 132, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--accent-green);
    transition: all var(--duration-fast) ease;
    letter-spacing: 0.02em;
}

.download-form__tag:hover {
    background: rgba(61, 220, 132, 0.2);
    border-color: rgba(61, 220, 132, 0.35);
    transform: translateY(-1px);
}

/* Input Row */
.download-form__input-row {
    display: flex;
    gap: var(--space-3);
    align-items: stretch;
}

.download-form__input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.download-form__search-icon {
    position: absolute;
    left: var(--space-4);
    color: var(--text-tertiary);
    pointer-events: none;
    flex-shrink: 0;
}

.download-form__input {
    width: 100%;
    padding: var(--space-4) var(--space-12) var(--space-4) calc(var(--space-4) + 28px);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--duration-fast) ease,
                background var(--duration-fast) ease,
                box-shadow var(--duration-fast) ease;
}

.download-form__input::placeholder {
    color: var(--text-tertiary);
}

.download-form__input:focus {
    border-color: var(--accent-green);
    background: rgba(61, 220, 132, 0.03);
    box-shadow: 0 0 0 3px rgba(61, 220, 132, 0.1);
}

.download-form__config-btn {
    position: absolute;
    right: var(--space-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: color var(--duration-fast) ease,
                background var(--duration-fast) ease,
                transform var(--duration-base) var(--ease-spring);
}

.download-form__config-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.download-form__config-btn.active {
    color: var(--accent-green);
    transform: rotate(60deg);
}

/* Generate Button */
.download-form__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--accent-green) 0%, #2bc872 100%);
    color: #07070f;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 700;
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition: transform var(--duration-fast) var(--ease-spring),
                box-shadow var(--duration-fast) ease,
                filter var(--duration-fast) ease;
    box-shadow: 0 4px 16px rgba(61, 220, 132, 0.25);
}

.download-form__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(61, 220, 132, 0.35);
    filter: brightness(1.08);
}

.download-form__btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(61, 220, 132, 0.2);
}

/* Config Panel */
.config-panel {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
    animation: slideDown var(--duration-base) var(--ease-out);
}

.config-panel[hidden] {
    display: none;
}

.config-panel__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.config-panel__field label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-2);
}

.config-panel__field select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239d9db8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    transition: border-color var(--duration-fast) ease;
}

.config-panel__field select:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(61, 220, 132, 0.1);
}


/* ============================================================
   HOW IT WORKS (STEPS)
   ============================================================ */
.steps {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-color) 50%, transparent 100%);
}

.steps__grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.steps__card {
    flex: 0 1 240px;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    position: relative;
}

.steps__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent-green-dim);
    color: var(--accent-green);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 800;
    margin-bottom: var(--space-5);
    border: 1px solid rgba(61, 220, 132, 0.2);
}

.steps__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: border-color var(--duration-base) ease,
                color var(--duration-base) ease,
                transform var(--duration-base) var(--ease-spring),
                box-shadow var(--duration-base) ease;
}

.steps__card:hover .steps__icon {
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-green);
}

.steps__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.steps__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.steps__desc em {
    color: var(--accent-green);
    font-style: normal;
    font-weight: 600;
    font-size: var(--text-xs);
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: var(--accent-green-dim);
    padding: 1px 6px;
    border-radius: 4px;
}

.steps__connector {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: calc(var(--space-8) + 36px + var(--space-5) + 24px);
    color: var(--text-tertiary);
    flex-shrink: 0;
}


/* ============================================================
   FEATURES
   ============================================================ */
.features {
    padding: var(--space-24) 0;
    position: relative;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.features__card {
    position: relative;
    padding: var(--space-8);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: border-color var(--duration-base) ease,
                transform var(--duration-base) var(--ease-spring),
                box-shadow var(--duration-base) ease;
    overflow: hidden;
}

.features__card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.features__card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, currentColor 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--duration-slow) ease;
    pointer-events: none;
}

.features__card:hover .features__card-glow {
    opacity: 0.03;
}

.features__card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    transition: transform var(--duration-base) var(--ease-spring);
}

.features__card:hover .features__card-icon {
    transform: scale(1.1);
}

.features__card-icon--green {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}

.features__card-icon--blue {
    background: var(--accent-blue-dim);
    color: var(--accent-blue);
}

.features__card-icon--purple {
    background: var(--accent-purple-dim);
    color: var(--accent-purple);
}

.features__card-icon--orange {
    background: var(--accent-orange-dim);
    color: var(--accent-orange);
}

.features__card-icon--cyan {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.features__card-icon--pink {
    background: var(--accent-pink-dim);
    color: var(--accent-pink);
}

.features__card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.features__card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================================
   FAQ
   ============================================================ */
.faq {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-color) 50%, transparent 100%);
}

.faq__list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.faq__item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--duration-base) ease,
                box-shadow var(--duration-base) ease;
}

.faq__item:hover {
    border-color: var(--border-color-hover);
}

.faq__item.active {
    border-color: rgba(61, 220, 132, 0.25);
    box-shadow: var(--shadow-glow-green);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) var(--space-6);
    text-align: left;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    gap: var(--space-4);
    transition: color var(--duration-fast) ease;
}

.faq__question:hover {
    color: var(--accent-green);
}

.faq__chevron {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform var(--duration-base) var(--ease-spring),
                color var(--duration-fast) ease;
}

.faq__item.active .faq__chevron {
    transform: rotate(180deg);
    color: var(--accent-green);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out),
                padding var(--duration-slow) var(--ease-out);
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

.faq__answer p {
    padding: 0 var(--space-6) var(--space-6);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq__answer a {
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-8);
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-base);
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: var(--space-4);
}

.footer__logo svg {
    color: var(--accent-green);
}

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

.footer__desc {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: 1.7;
    max-width: 320px;
}

.footer__col h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-4);
}

.footer__col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__col a {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease;
    text-decoration: none;
}

.footer__col a:hover {
    color: var(--accent-green);
}

.footer__bottom {
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.footer__disclaimer {
    font-size: var(--text-xs) !important;
    color: var(--text-tertiary) !important;
    opacity: 0.7;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}


/* ============================================================
   RESULTS & PROGRESS
   ============================================================ */
.progress-container {
    margin-top: var(--space-4);
    width: 100%;
    height: 30px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), #2bc872);
    color: #07070f;
    font-size: var(--text-xs);
    font-weight: 700;
    font-family: var(--font-heading);
    line-height: 30px;
    text-align: center;
    transition: width 0.3s ease;
    border-radius: var(--radius-sm);
}

.results-container {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    word-break: break-word;
}

.results-container:empty {
    display: none;
}

.results-container p {
    text-align: center;
    padding: var(--space-2) 0;
}

/* Styles for the API-generated download results HTML */
.results-container .apk_ad {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
}

.results-container .apk_ad img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.results-container .apk_ad_info {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.results-container .apk_ad_info li {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.results-container .apk_ad_info li._title {
    font-weight: 700;
    font-size: var(--text-base);
    color: var(--text-primary);
}

.results-container .apk_ad_info li._title a {
    color: var(--accent-green);
    text-decoration: none;
}

.results-container .apk_ad_info span._version {
    font-weight: 700;
    color: var(--accent-blue);
}

.results-container .apk_files {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
    overflow: hidden;
}

.results-container .apk_files_contents {
    max-height: 400px;
    overflow: auto;
    padding: var(--space-2);
}

.results-container .apk_files_list {
    display: flex;
    flex-direction: column;
}

.results-container .apk_files_item {
    border-bottom: 1px dashed var(--border-color);
}

.results-container .apk_files_item:last-child {
    border-bottom: none;
}

.results-container .apk_files_item a,
.results-container .apk_files_item a:visited {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    color: var(--accent-green);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: background var(--duration-fast) ease;
    gap: var(--space-4);
}

.results-container .apk_files_item a:hover {
    background: rgba(61, 220, 132, 0.06);
}

.results-container .der_name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.results-container .der_size {
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
    font-size: var(--text-xs);
}

.results-container .svg-icon {
    width: 18px;
    height: 18px;
    fill: var(--accent-green);
    vertical-align: middle;
    margin-right: var(--space-1);
    flex-shrink: 0;
}

.results-container .wne,
.results-container .text {
    padding: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.results-container .wne h2,
.results-container .text h3 {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    border: none;
}

.results-container .zipapk,
.results-container .tabapk {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.results-container .download-btn {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.results-container .download-btn:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.results-container .download-btn.selected {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #07070f;
    font-weight: 600;
}




/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slower) var(--ease-out),
                transform var(--duration-slower) var(--ease-out);
}

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

/* Staggered reveals for children with --delay */
.reveal[style*="--delay: 1"] { transition-delay: 80ms; }
.reveal[style*="--delay: 2"] { transition-delay: 160ms; }
.reveal[style*="--delay: 3"] { transition-delay: 240ms; }
.reveal[style*="--delay: 4"] { transition-delay: 320ms; }
.reveal[style*="--delay: 5"] { transition-delay: 400ms; }

/* Keyframes */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes glowFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.1); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.75rem;
        --text-4xl: 2.25rem;
        --text-3xl: 1.75rem;
    }

    .steps__grid {
        flex-wrap: wrap;
        gap: var(--space-4);
    }

    .steps__connector {
        display: none;
    }

    .steps__card {
        flex: 0 1 calc(50% - var(--space-4));
    }

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .footer__brand {
        grid-column: span 2;
    }
}

/* Mobile landscape */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.85rem;
        --text-3xl: 1.5rem;
        --header-height: 64px;
    }

    .container {
        padding: 0 var(--space-4);
    }

    /* Mobile Nav */
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--bg-surface);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: calc(var(--header-height) + var(--space-8)) var(--space-6);
        gap: var(--space-1);
        transition: right var(--duration-base) var(--ease-out);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    .nav__menu.open {
        right: 0;
    }

    .nav__link {
        width: 100%;
        padding: var(--space-4);
        font-size: var(--text-base);
        border-radius: var(--radius-md);
    }

    .theme-toggle {
        margin-top: var(--space-4);
        margin-left: var(--space-4);
    }

    /* Mobile Hero */
    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__subtitle {
        font-size: var(--text-base);
    }

    /* Mobile Download Form */
    .download-form {
        padding: var(--space-4);
    }

    .download-form__input-row {
        flex-direction: column;
    }

    .download-form__btn {
        justify-content: center;
        padding: var(--space-4);
    }

    .config-panel__grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Trust */
    .hero__trust {
        flex-direction: column;
        gap: var(--space-3);
    }

    .hero__trust-divider {
        display: none;
    }

    /* Mobile Steps */
    .steps__card {
        flex: 1 1 100%;
    }

    /* Mobile Features */
    .features__grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Footer */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__brand {
        grid-column: span 1;
    }

    .section__subtitle {
        margin-bottom: var(--space-10);
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    :root {
        --text-5xl: 1.85rem;
        --text-4xl: 1.55rem;
        --text-3xl: 1.35rem;
    }

    .hero__badge {
        font-size: var(--text-xs);
    }

    .download-form__tags {
        gap: var(--space-1);
    }

    .download-form__tag {
        font-size: 0.65rem;
        padding: 2px var(--space-2);
    }
}

/* Overlay for mobile menu */
.nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) ease;
}

.nav__overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}