/* ===== CSS Variables ===== */
:root {
    /* Colors from app icon */
    --color-blue: #007AFF;
    --color-red: #FF3B30;
    --color-yellow: #FFCC00;
    --color-green: #34C759;

    /* Neutral colors (Apple-style) */
    --color-white: #FFFFFF;
    --color-bg: #F5F5F7;
    --color-bg-alt: #FBFBFD;
    --color-text: #1D1D1F;
    --color-text-secondary: #86868B;
    --color-border: #D2D2D7;

    /* Gradients */
    --gradient-hero: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F8F8FA 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

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

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Promo Banner ===== */
.promo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    color: var(--color-white);
    z-index: 1001;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 10px rgba(255, 59, 48, 0.3);
}

.promo-banner__content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    max-width: var(--container-max);
    margin: 0 auto;
}

.promo-banner__badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.promo-banner__message {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.promo-banner__prices {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.promo-banner__original-price {
    text-decoration: line-through;
    opacity: 0.7;
    font-size: var(--font-size-sm);
}

.promo-banner__sale-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.promo-banner__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-white);
    color: #FF3B30;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.promo-banner__cta:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.promo-banner__cta svg {
    width: 16px;
    height: 16px;
}

.promo-banner__expires {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin-left: var(--spacing-sm);
}

.promo-banner__countdown {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.15);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.promo-banner__countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 36px;
}

.promo-banner__countdown-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.promo-banner__countdown-label {
    font-size: 9px;
    text-transform: uppercase;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

.promo-banner__countdown-separator {
    font-size: var(--font-size-lg);
    font-weight: 700;
    opacity: 0.6;
    margin: 0 2px;
    align-self: flex-start;
    margin-top: 2px;
}

/* Adjust header position when promo banner is present */
body.has-promo-banner {
    --promo-banner-height: 52px;
}

body.has-promo-banner .header {
    top: var(--promo-banner-height);
}

body.has-promo-banner .hero {
    padding-top: calc(var(--header-height) + var(--promo-banner-height, 0px) + var(--spacing-3xl));
}

body.has-promo-banner .nav__menu {
    top: 100%;
    /* Ensure it stays relative to header */
}

@media (max-width: 768px) {
    /* body.has-promo-banner {
        --promo-banner-height: 80px; 
    } - Handled by JS now */

    .promo-banner {
        padding: var(--spacing-sm);
    }

    .promo-banner__content {
        gap: var(--spacing-sm);
    }

    .promo-banner__badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    .promo-banner__message {
        font-size: var(--font-size-xs);
    }

    .promo-banner__original-price {
        font-size: var(--font-size-xs);
    }

    .promo-banner__sale-price {
        font-size: var(--font-size-base);
    }

    .promo-banner__cta {
        padding: 6px 14px;
        font-size: var(--font-size-xs);
    }

    .promo-banner__expires {
        display: block;
        width: 100%;
        margin-left: 0;
        margin-top: 4px;
    }

    .promo-banner__countdown {
        padding: 4px 8px;
    }

    .promo-banner__countdown-item {
        min-width: 28px;
    }

    .promo-banner__countdown-value {
        font-size: var(--font-size-base);
    }

    .promo-banner__countdown-label {
        font-size: 8px;
    }

    .promo-banner__countdown-separator {
        font-size: var(--font-size-base);
    }

    body.has-promo-banner .hero {
        padding-top: calc(var(--header-height) + var(--promo-banner-height) + var(--spacing-2xl));
    }
}

@media (max-width: 480px) {
    /* body.has-promo-banner {
        --promo-banner-height: 110px;
    } - Handled by JS now */

    .promo-banner__countdown-item {
        min-width: 24px;
    }

    .promo-banner__countdown-value {
        font-size: var(--font-size-sm);
    }
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-right: var(--spacing-2xl);
    /* Add explicit spacing from menu items */
}

.nav__logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.nav__logo-text {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

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

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-blue);
    margin-right: var(--spacing-md);
}


/* Language Selector */
.language-selector {
    position: relative;
    margin-left: auto;
    /* Push it to the right, next to toggle if flex container */
    margin-right: var(--spacing-md);
    /* Space from toggle */
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.language-btn:hover {
    background: var(--color-border);
}

.language-icon {
    width: 18px;
    height: 18px;
}

.chevron-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.language-selector.active .chevron-icon {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 150px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.language-option:hover {
    background: var(--color-bg);
}

.language-option.active {
    color: var(--color-blue);
    font-weight: 600;
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    gap: 6px;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    padding-bottom: var(--spacing-4xl);
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    max-width: 560px;
}

.hero__icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.hero__description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero__download {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.app-store-badge {
    height: 54px;
    width: auto;
    transition: transform var(--transition-fast);
}

.app-store-badge:hover {
    transform: scale(1.05);
}

.hero__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.stars svg {
    width: 20px;
    height: 20px;
    color: var(--color-yellow);
}

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

/* Device Frame */
.hero__device {
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-frame {
    position: relative;
    width: 280px;
    padding: 12px;
    background: #1D1D1F;
    border-radius: 44px;
    box-shadow: var(--shadow-lg);
}

.device-frame::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #1D1D1F;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.device-screen {
    width: 100%;
    border-radius: 32px;
    display: block;
}

.hero__gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--color-white), transparent);
    pointer-events: none;
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

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

/* ===== Features Section ===== */
.features {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

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

.feature-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

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

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-card__icon svg {
    width: 28px;
    height: 28px;
}

.feature-card__icon--blue {
    background: rgba(0, 122, 255, 0.1);
    color: var(--color-blue);
}

.feature-card__icon--red {
    background: rgba(255, 59, 48, 0.1);
    color: var(--color-red);
}

.feature-card__icon--yellow {
    background: rgba(255, 204, 0, 0.15);
    color: #CC9900;
}

.feature-card__icon--green {
    background: rgba(52, 199, 89, 0.1);
    color: var(--color-green);
}

.feature-card__icon--purple {
    background: rgba(175, 82, 222, 0.15);
    color: #AF52DE;
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.feature-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.feature-card__image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-card__image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg);
    overflow: hidden;
}

.screenshots__gallery {
    position: relative;
    margin: 0 calc(-1 * var(--spacing-lg));
    overflow: hidden;
}

.screenshots__track {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.screenshots__track::-webkit-scrollbar {
    display: none;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 220px;
    scroll-snap-align: center;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.screenshot-item:hover {
    transform: scale(1.02);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshots__nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.screenshots__btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.screenshots__btn:hover {
    background: var(--color-blue);
    color: var(--color-white);
}

.screenshots__btn svg {
    width: 24px;
    height: 24px;
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

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

.testimonial-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-md);
}

.testimonial-card__stars svg {
    width: 20px;
    height: 20px;
    color: var(--color-yellow);
}

.testimonial-card__quote {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-card__author {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ===== Download Section ===== */
.download {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-blue) 0%, #0055CC 100%);
    color: var(--color-white);
}

.download__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download__icon {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-xl);
    margin: 0 auto var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.download__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.download__description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.download__button {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.download__button .app-store-badge {
    height: 60px;
}

.download__platforms {
    margin-top: var(--spacing-md);
}

.platform-badge {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===== FAQ Section ===== */
.faq {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    counter-reset: faq-counter;
}

.faq__item {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all var(--transition-base);
    counter-increment: faq-counter;
}

.faq__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-blue) 0%, #5856D6 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.faq__item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    transform: translateY(-3px);
    border-color: rgba(0, 122, 255, 0.1);
}

.faq__item:hover::before,
.faq__item.active::before {
    opacity: 1;
}

.faq__question {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) calc(var(--spacing-xl) + 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition-fast);
    position: relative;
}

.faq__question::before {
    content: counter(faq-counter);
    position: absolute;
    left: var(--spacing-xl);
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-blue) 0%, #5856D6 100%);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

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

.faq__question span {
    flex: 1;
    padding-right: var(--spacing-md);
}

.faq__icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    flex-shrink: 0;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    padding: 6px;
}

.faq__item:hover .faq__icon {
    background: rgba(0, 122, 255, 0.08);
    color: var(--color-blue);
}

.faq__item.active .faq__icon {
    transform: rotate(180deg);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-blue) 0%, #5856D6 100%);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0 var(--spacing-xl) 0 calc(var(--spacing-xl) + 48px);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.faq__answer p {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-blue);
}

.faq__item.active .faq__answer {
    max-height: 500px;
    padding-bottom: var(--spacing-xl);
    padding-top: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

/* ===== Privacy Section ===== */
.privacy {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
}

.privacy__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.privacy__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-green);
}

.privacy__icon svg {
    width: 100%;
    height: 100%;
}

.privacy__title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.privacy__description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.privacy__link {
    color: var(--color-blue);
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.privacy__link:hover {
    opacity: 0.8;
}

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

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer__logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.footer__name {
    font-weight: 600;
}

.footer__links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer__links a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__copyright {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Animations ===== */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

[data-aos-delay="100"] {
    transition-delay: 100ms;
}

[data-aos-delay="200"] {
    transition-delay: 200ms;
}

[data-aos-delay="300"] {
    transition-delay: 300ms;
}

[data-aos-delay="400"] {
    transition-delay: 400ms;
}

[data-aos-delay="500"] {
    transition-delay: 500ms;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero__container {
        gap: var(--spacing-2xl);
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    /* Mobile menu overlay - covers entire screen */
    .nav__menu {
        position: absolute;
        top: 100%;
        /* Automatically starts at bottom of header */
        left: 0;
        right: 0;
        height: calc(100vh - 100%);
        /* Takes remaining height */

        background-color: #FFFFFF !important;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: var(--spacing-xl);
        gap: var(--spacing-xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 2000;
        overflow-y: auto;

        /* Ensure background is opaque */
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;

        /* Add shadow for separation */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav__logo {
        margin-right: auto;
        /* Push everything else to right, reset spacing */
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    /* Specific rule for promo banner moved to base rule with fallback */

    .nav__item {
        width: 100%;
        border-bottom: 1px solid #E5E5E5;
        padding-bottom: var(--spacing-lg);
    }

    .nav__link {
        font-size: var(--font-size-xl);
        padding: var(--spacing-sm) 0;
        color: #1D1D1F;
        display: block;
        font-weight: 500;
    }

    /* Language Selector on Mobile Header */
    .language-selector {
        display: flex !important;
        align-items: center;
        margin-right: var(--spacing-sm);
        position: relative;
        z-index: 1001;
        /* Ensure it's not hidden by other rules */
    }

    .language-selector .current-lang {
        display: block;
        /* Show text (JA, EN) */
        font-weight: 500;
        margin-right: 2px;
    }

    .language-selector .language-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        background: transparent;
    }

    .language-selector .language-dropdown {
        top: 100%;
        right: 0;
        width: 180px;
        /* Standard width */
        margin-top: var(--spacing-xs);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        padding-top: calc(var(--header-height) + var(--spacing-2xl));
        min-height: auto;
    }

    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__icon {
        margin: 0 auto var(--spacing-xl);
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

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

    .hero__rating {
        justify-content: center;
    }

    .hero__device {
        order: 2;
    }

    .device-frame {
        width: 220px;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

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

    .download__title {
        font-size: var(--font-size-3xl);
    }

    /* FAQ Mobile */
    .faq__question {
        padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) calc(var(--spacing-lg) + 40px);
        font-size: var(--font-size-base);
    }

    .faq__question::before {
        left: var(--spacing-lg);
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }

    .faq__icon {
        width: 28px;
        height: 28px;
        padding: 5px;
    }

    .faq__answer {
        padding-left: calc(var(--spacing-lg) + 40px);
        padding-right: var(--spacing-lg);
    }

    .faq__answer p {
        padding: var(--spacing-md);
    }

    .footer__links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

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

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .device-frame {
        width: 180px;
        padding: 8px;
        border-radius: 32px;
    }

    .device-frame::before {
        width: 70px;
        height: 20px;
    }

    .device-screen {
        border-radius: 24px;
    }

    .screenshot-item {
        width: 160px;
    }

    /* FAQ Extra Small */
    .faq__question {
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 36px);
        font-size: var(--font-size-sm);
    }

    .faq__question::before {
        left: var(--spacing-md);
        width: 24px;
        height: 24px;
        font-size: 11px;
    }

    .faq__icon {
        width: 24px;
        height: 24px;
        padding: 4px;
    }

    .faq__answer {
        padding-left: calc(var(--spacing-md) + 36px);
        padding-right: var(--spacing-md);
    }

    .faq__answer p {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ===== Dark Mode Support (optional, follows system preference) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-white: #1D1D1F;
        --color-bg: #000000;
        --color-bg-alt: #161617;
        --color-text: #F5F5F7;
        --color-text-secondary: #A1A1A6;
        --color-border: #38383A;
        --gradient-hero: linear-gradient(180deg, #1D1D1F 0%, #000000 100%);
        --gradient-card: linear-gradient(145deg, #1D1D1F 0%, #161617 100%);
    }

    .header {
        background: rgba(29, 29, 31, 0.8);
        border-bottom-color: rgba(255, 255, 255, 0.05);
    }

    .device-frame {
        background: #000;
    }

    .language-dropdown {
        background: var(--color-bg-alt);
    }

    /* FAQ dark mode */
    .faq {
        background: linear-gradient(180deg, #1D1D1F 0%, #000000 100%);
    }

    .faq__item {
        background: #1D1D1F;
        border-color: rgba(255, 255, 255, 0.06);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    }

    .faq__item:hover {
        border-color: rgba(0, 122, 255, 0.2);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    }

    .faq__icon {
        background: #2C2C2E;
    }

    .faq__item:hover .faq__icon {
        background: rgba(0, 122, 255, 0.15);
    }

    .faq__answer p {
        background: #2C2C2E;
        border-left-color: #5856D6;
    }

    /* Mobile menu dark mode */
    @media (max-width: 768px) {
        .nav__menu {
            background-color: #1D1D1F !important;
        }

        .nav__item {
            border-bottom-color: #38383A;
        }

        .nav__link {
            color: #F5F5F7;
        }

        .nav__link:hover {
            color: var(--color-blue);
        }
    }
}