/* ============================================
   AndroMouse Marketing Website
   Styles v1.0
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Color Palette - Dark Theme (Default) */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-elevated: #222230;

    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-text-muted: #52525b;

    /* Accent Colors */
    --color-accent-primary: #3b82f6;
    --color-accent-secondary: #8b5cf6;
    --color-accent-gradient-start: #3b82f6;
    --color-accent-gradient-end: #8b5cf6;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Border Colors */
    --color-border-subtle: rgba(255, 255, 255, 0.06);
    --color-border-default: rgba(255, 255, 255, 0.1);
    --color-border-strong: rgba(255, 255, 255, 0.15);

    /* Effects */
    --color-glow: rgba(59, 130, 246, 0.15);
    --color-overlay: rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Font Sizes (Fluid Typography) */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);

    /* Line Heights */
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.7;

    /* Spacing Scale */
    --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;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3), 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35), 0 8px 10px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px var(--color-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;

    /* Container */
    --container-max: 1280px;
    --container-padding: var(--space-6);
}

/* Light Theme */
[data-theme="light"] {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-bg-tertiary: #f3f4f6;
    --color-bg-elevated: #ffffff;

    --color-text-primary: #111827;
    --color-text-secondary: #4b5563;
    --color-text-tertiary: #6b7280;
    --color-text-muted: #9ca3af;

    --color-border-subtle: rgba(0, 0, 0, 0.04);
    --color-border-default: rgba(0, 0, 0, 0.08);
    --color-border-strong: rgba(0, 0, 0, 0.12);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 8px 10px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family-base);
    font-size: var(--text-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--leading-tight);
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-accent-primary);
    color: white;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: var(--z-toast);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-accent-primary);
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding-block: var(--space-4);
    background-color: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background-color var(--transition-base), padding var(--transition-base);
}

[data-theme="light"] .header {
    background-color: rgba(255, 255, 255, 0.85);
}

.header--scrolled {
    padding-block: var(--space-3);
    background-color: rgba(10, 10, 15, 0.95);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.nav__logo:hover {
    opacity: 0.9;
}

.nav__logo-icon {
    color: var(--color-accent-primary);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: var(--space-2);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

.nav__link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-text-primary);
    background-color: var(--color-border-subtle);
}

.nav__link--cta {
    margin-left: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    color: white;
    border-radius: var(--radius-full);
}

.nav__link--cta:hover {
    color: white;
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    opacity: 0.9;
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: var(--space-2);
        padding: var(--space-6);
        background-color: var(--color-bg-secondary);
        border-bottom: 1px solid var(--color-border-default);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    }

    .nav__menu--open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        width: 100%;
        padding: var(--space-4);
        text-align: center;
    }

    .nav__link--cta {
        margin-left: 0;
        margin-top: var(--space-2);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.2);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.3);
}

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

.btn--secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-default);
}

.btn--secondary:hover {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border-strong);
    transform: translateY(-2px);
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
}

.btn--full {
    width: 100%;
}

.btn__icon {
    flex-shrink: 0;
}

.btn__icon--right {
    order: 1;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding-block: var(--space-24);
}

.section--alt {
    background-color: var(--color-bg-secondary);
}

.section__header {
    max-width: 720px;
    margin-inline: auto;
    margin-bottom: var(--space-16);
    text-align: center;
}

.section__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-inline: auto;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(72px + var(--space-16));
    padding-bottom: var(--space-16);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero__gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.6;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) scale(1.1);
    }
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-20);
    }
}

.hero__content {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero__content {
        text-align: left;
    }
}

.hero__title {
    font-size: var(--text-5xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero__title-accent {
    display: block;
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    max-width: 520px;
    margin-bottom: var(--space-8);
}

@media (min-width: 1024px) {
    .hero__subtitle {
        margin-inline: 0;
    }
}

@media (max-width: 1023px) {
    .hero__subtitle {
        margin-inline: auto;
    }
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero__actions {
        justify-content: flex-start;
    }
}

.hero__mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

@media (min-width: 768px) {
    .hero__mockup {
        min-height: 500px;
    }
}

.hero__mockup-phone {
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.hero__mockup-desktop {
    position: absolute;
    right: -10%;
    bottom: 5%;
    z-index: 1;
    opacity: 0.6;
    transform: scale(0.8);
    animation: float 6s ease-in-out infinite 0.5s;
}

@media (max-width: 767px) {
    .hero__mockup-desktop {
        display: none;
    }
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border-default);
    border-radius: var(--radius-full);
    position: relative;
}

.hero__scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(8px);
    }
}

/* ============================================
   Device Frames
   ============================================ */
.device-frame {
    position: relative;
    background: linear-gradient(145deg, var(--color-bg-tertiary), var(--color-bg-secondary));
    border-radius: var(--radius-2xl);
    padding: 12px;
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.device-frame--phone {
    width: 280px;
    border-radius: 32px;
    padding: 10px;
}

@media (min-width: 768px) {
    .device-frame--phone {
        width: 320px;
    }
}

.device-frame--phone .device-frame__screen {
    border-radius: 24px;
    aspect-ratio: 9/19.5;
}

.device-frame--desktop {
    width: 400px;
    border-radius: 16px;
    padding: 8px 8px 24px;
}

.device-frame--desktop .device-frame__screen {
    border-radius: 8px;
    aspect-ratio: 16/10;
}

.device-frame--large {
    width: 280px;
}

@media (min-width: 768px) {
    .device-frame--large {
        width: 320px;
    }
}

.device-frame--phone-landscape {
    width: 520px;
    max-width: 100%;
    border-radius: 24px;
    padding: 10px;
}

.device-frame--phone-landscape .device-frame__screen {
    border-radius: 18px;
    aspect-ratio: 19.5/9;
}

@media (min-width: 768px) {
    .device-frame--phone-landscape {
        width: 680px;
    }
}

.device-frame__screen {
    position: relative;
    background-color: var(--color-bg-primary);
    overflow: hidden;
}

.device-frame__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.device-frame__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    background: linear-gradient(145deg, var(--color-bg-secondary), var(--color-bg-primary));
}

.device-frame__image:not([src=""]):not([src="#"]) + .device-frame__placeholder {
    display: none;
}

.device-frame__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.device-frame__video + .device-frame__placeholder {
    display: none;
}

/* ============================================
   Features Section
   ============================================ */
.feature {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-24);
}

.feature:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .feature {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }

    .feature--right .feature__content {
        order: 2;
    }

    .feature--right .feature__visual {
        order: 1;
    }
}

.feature__content {
    max-width: 480px;
}

@media (max-width: 767px) {
    .feature__content {
        text-align: center;
        margin-inline: auto;
    }
}

.feature__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
}

.feature__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
}

.feature__description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.feature__visual {
    display: flex;
    justify-content: center;
}

/* ============================================
   Why Section
   ============================================ */
.why__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.why__card {
    padding: var(--space-8);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.why__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-default);
}

.why__card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    border-radius: var(--radius-lg);
    color: white;
}

.why__card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.why__card-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ============================================
   Showcase Section
   ============================================ */
.showcase .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .showcase .container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.showcase__badge,
.presentation__badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-primary);
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
}

.showcase__title,
.presentation__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.showcase__subtitle,
.presentation__subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.showcase__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.showcase__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.showcase__feature-icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-success);
}

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

.showcase__visual {
    display: flex;
    justify-content: center;
}

@media (max-width: 1023px) {
    .showcase__visual {
        order: -1;
    }
}

/* ============================================
   Presentation Section
   ============================================ */
.presentation__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .presentation__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.presentation__visual {
    display: flex;
    justify-content: center;
}

.presentation__features {
    display: grid;
    gap: var(--space-6);
}

.presentation__feature {
    display: flex;
    gap: var(--space-4);
}

.presentation__feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
}

.presentation__feature-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

.presentation__feature-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    max-width: 900px;
    margin-inline: auto;
}

@media (min-width: 768px) {
    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pricing__card {
    position: relative;
    padding: var(--space-8);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pricing__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing__card--featured {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.pricing__card--featured:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.pricing__card-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-1) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    color: white;
    border-radius: var(--radius-full);
}

.pricing__card-header {
    text-align: center;
    padding-bottom: var(--space-6);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
}

.pricing__card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
}

.pricing__card-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.pricing__card-amount {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-extrabold);
}

.pricing__card-period {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.pricing__card-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.pricing__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.pricing__feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.pricing__feature-icon {
    flex-shrink: 0;
    color: var(--color-success);
}

.pricing__feature--limited {
    color: var(--color-text-secondary);
}

.pricing__feature--limited .pricing__feature-icon {
    color: var(--color-warning);
}

.pricing__feature-badge {
    display: inline-block;
    padding: 2px 6px;
    margin-left: var(--space-2);
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-warning);
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
}

.pricing__feature--disabled {
    color: var(--color-text-muted);
}

.pricing__feature--disabled .pricing__feature-icon {
    color: var(--color-text-muted);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.testimonial {
    padding: var(--space-8);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.testimonial:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial__quote {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial__quote::before {
    content: '"';
}

.testimonial__quote::after {
    content: '"';
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.testimonial__name {
    display: block;
    font-style: normal;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.testimonial__title {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq__grid {
    max-width: 800px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq__item {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

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

.faq__item[open] {
    border-color: var(--color-accent-primary);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    cursor: pointer;
    list-style: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::marker {
    display: none;
}

.faq__icon {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: transform var(--transition-base);
}

.faq__item[open] .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    padding: 0 var(--space-6) var(--space-6);
}

.faq__answer p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ============================================
   Download Section
   ============================================ */
.download {
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.download__header {
    margin-bottom: var(--space-12);
}

.download__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
}

.download__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}

.download__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
    max-width: 1000px;
    margin-inline: auto;
}

.download__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.download__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent-primary);
}

.download__card-icon {
    color: var(--color-accent-primary);
}

.download__card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
}

.download__card-description {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding-block: var(--space-16) var(--space-8);
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-subtle);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 1.5fr 2fr;
    }
}

.footer__brand {
    max-width: 280px;
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.footer__logo-icon {
    color: var(--color-accent-primary);
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.footer__nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .footer__nav {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer__nav-title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

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

.footer__nav-list a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__nav-list a:hover {
    color: var(--color-text-primary);
}

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ============================================
   Animations
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for grid items */
[data-animate]:nth-child(1) { transition-delay: 0ms; }
[data-animate]:nth-child(2) { transition-delay: 100ms; }
[data-animate]:nth-child(3) { transition-delay: 200ms; }
[data-animate]:nth-child(4) { transition-delay: 300ms; }
[data-animate]:nth-child(5) { transition-delay: 400ms; }
[data-animate]:nth-child(6) { transition-delay: 500ms; }

@media (prefers-reduced-motion: reduce) {
    [data-animate] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================
   Legal Pages (Privacy, Terms)
   ============================================ */
.legal {
    padding-top: calc(72px + var(--space-16));
}

.legal__container {
    max-width: 800px;
}

.legal__header {
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border-default);
}

.legal__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--space-3);
}

.legal__updated {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.legal__content {
    margin-bottom: var(--space-12);
}

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

.legal__section:last-child {
    margin-bottom: 0;
}

.legal__section h2 {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.legal__section p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.legal__section p:last-child {
    margin-bottom: 0;
}

.legal__section ul {
    margin-top: var(--space-3);
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.legal__section li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2);
    position: relative;
}

.legal__section li::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-4));
    top: 0.6em;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-primary);
    border-radius: 50%;
}

.legal__section a {
    color: var(--color-accent-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.legal__section a:hover {
    color: var(--color-accent-secondary);
}

.legal__section strong {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

.legal__footer {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-default);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .hero__bg,
    .hero__scroll,
    .nav__toggle {
        display: none;
    }

    body {
        color: black;
        background: white;
    }

    .hero {
        min-height: auto;
        padding-top: var(--space-8);
    }

    .section {
        padding-block: var(--space-8);
    }
}