/* ============================================================
   BillingHunter Landing Page — Design System
   Green palette, no orange, no blue.
   Mobile-first, accessible, professional.
   ============================================================ */

/* Self-hosted Inter variable font (latin + latin-ext subsets) */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/inter-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/inter-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    /* Primary greens */
    --color-primary: #166534;
    --color-primary-light: #15803d;
    --color-primary-dark: #14532d;
    --color-primary-soft: #dcfce7;

    /* Accent greens */
    --color-secondary: #65a30d;
    --color-secondary-light: #84cc16;
    --color-secondary-dark: #4d7c0f;

    /* Surfaces */
    --color-accent: #ecfccb;
    --color-accent-dark: #d9f99d;
    --color-bg: #f6f7f4;
    --color-surface: #ffffff;
    --color-surface-alt: #f0fdf4;
    --color-text: #1a1a1a;
    --color-text-muted: #5f6b58;
    --color-border: #d7e0cd;
    --color-shadow: rgba(22, 101, 52, 0.12);

    /* Footer */
    --color-footer-bg: #0f2918;
    --color-footer-text: #d8e5d2;
    --color-footer-link: #a3e635;

    /* Dev banner */
    --color-dev-banner-bg: #ca8a04;
    --color-dev-banner-text: #000000;

    /* Hero yellow */
    --color-yellow: #facc15;
    --color-yellow-light: #fde047;
    --color-yellow-dark: #eab308;
    --gradient-hero: linear-gradient(135deg, var(--color-yellow-light) 0%, var(--color-yellow) 55%, var(--color-yellow-dark) 100%);

    /* Promo orange */
    --color-orange: #f97316;

    /* Spacing scale */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;

    /* Layout */
    --max-width: 1200px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --header-height: 72px;
}

/* ============================================================
   Reset & base
   ============================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-secondary-light);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* ============================================================
   Typography helpers
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title p {
    color: var(--color-text-muted);
    font-size: var(--font-size-md);
    max-width: 640px;
    margin: 0 auto;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px var(--color-shadow);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: #fff;
    box-shadow: 0 6px 16px var(--color-shadow);
}

.btn-primary:active {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-accent {
    background-color: var(--color-secondary);
    color: #fff;
}

.btn-accent:hover {
    background-color: var(--color-secondary-dark);
    color: #fff;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-primary);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    background-color: var(--color-primary-soft);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

/* ============================================================
   Dev banner
   ============================================================ */

#dev-warning-banner {
    background-color: var(--color-dev-banner-bg);
    color: var(--color-dev-banner-text);
    padding: 12px;
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body:has(#dev-warning-banner[style*="block"]) {
    padding-top: 42px;
}

body:has(#dev-warning-banner:not([style*="none"])) .site-header {
    top: 42px;
}

@media (max-width: 1024px) {
    #dev-warning-banner {
        font-size: 0.7rem;
        padding: 8px 12px;
        white-space: normal;
        line-height: 1.3;
    }

    body:has(#dev-warning-banner[style*="block"]) {
        padding-top: 0;
    }

    #dev-warning-banner {
        position: relative;
    }

    body:has(#dev-warning-banner:not([style*="none"])) .site-header {
        top: 0;
    }

    body:has(#dev-warning-banner:not([style*="none"])) .nav-links {
        top: 0;
        height: 100dvh;
    }
}

/* ============================================================
   Header & navigation
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: var(--font-size-xl);
    color: var(--color-text);
    text-decoration: none;
    flex-shrink: 0;
}

.logo:hover {
    color: var(--color-text);
    text-decoration: none;
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
    justify-content: center;
    white-space: nowrap;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: 0.25rem 0;
    position: relative;
}

.nav-links a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.lang-toggle {
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 2px;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.lang-toggle button {
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    padding: 0.35rem 0.6rem;
    cursor: pointer;
    border-radius: calc(var(--radius-sm) - 2px);
    font-weight: 600;
    transition: background-color 0.2s, color 0.2s;
}

.lang-toggle button.active {
    background-color: var(--color-primary);
    color: #fff;
}

.lang-toggle button:hover:not(.active) {
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    position: relative;
    width: 40px;
    height: 40px;
    z-index: 1002;
}

.menu-toggle svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s, transform 0.2s;
}

.menu-toggle .icon-close {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.menu-toggle[aria-expanded="true"] .icon-open {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .icon-close {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

.menu-toggle:hover {
    background-color: var(--color-primary-soft);
}

body.menu-open {
    overflow: hidden;
}

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

/* ============================================================
   Mobile navigation
   ============================================================ */

@media (max-width: 1024px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 100dvh;
        background-color: var(--color-surface);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--space-lg)) var(--space-xl) var(--space-lg);
        gap: var(--space-sm);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1001;
        overflow-y: auto;
        box-shadow: 0 4px 24px var(--color-shadow);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: var(--font-size-md);
        width: 100%;
        padding: var(--space-xs) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links a::after {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .mobile-menu-actions {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid var(--color-border);
    }

    .mobile-menu-actions .lang-toggle {
        align-self: flex-start;
    }

    .mobile-menu-actions .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .mobile-menu-actions .btn-primary {
        color: #fff;
    }
}

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

    .nav-links {
        padding: calc(var(--header-height) + var(--space-md)) var(--space-md) var(--space-md);
    }

    .nav-links a {
        font-size: var(--font-size-base);
    }
}

/* ============================================================
   Main content
   ============================================================ */

main {
    flex: 1;
}

.section {
    padding: var(--space-4xl) var(--space-lg);
    background-color: var(--color-surface);
}

.section-alt {
    background-color: var(--color-surface-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-dark {
    background-color: var(--color-primary);
    color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark p {
    color: #fff;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ============================================================
   Hero section
   ============================================================ */

.hero {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
    background: var(--gradient-hero);
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    margin-bottom: var(--space-lg);
    width: fit-content;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-secondary);
    border-radius: 50%;
}

.hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

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

.hero-value-prop {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    max-width: 640px;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: var(--space-xl);
    max-width: 640px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat-number {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary-dark);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: rgba(0, 0, 0, 0.65);
}

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

.hero-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px var(--color-shadow);
}

.hero-carousel-track {
    display: flex;
    transition: transform 0.4s ease;
}

.hero-carousel-track img {
    width: 100%;
    height: auto;
    flex-shrink: 0;
    display: block;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text);
    z-index: 2;
    transition: background-color 0.2s, opacity 0.2s;
    opacity: 0;
}

.hero-carousel:hover .carousel-btn {
    opacity: 1;
}

.carousel-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.carousel-prev {
    left: var(--space-sm);
}

.carousel-next {
    right: var(--space-sm);
}

.carousel-dots {
    position: absolute;
    bottom: var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
    padding: 0;
}

.carousel-dot.active {
    background-color: var(--color-primary);
    transform: scale(1.3);
}

.hero-screenshot {
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px var(--color-shadow);
    display: block;
    cursor: zoom-in;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-xl);
}

.lightbox.open {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
    cursor: zoom-out;
}

.lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s;
}

.lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}

.lightbox-prev {
    left: var(--space-md);
}

.lightbox-next {
    right: var(--space-md);
}

.lightbox-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    color: #fff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.35);
}

.hero-visual-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 24px 48px var(--color-shadow);
}

.hero-visual-placeholder svg {
    width: 70%;
    height: 70%;
    max-width: 200px;
    max-height: 200px;
    color: var(--color-primary);
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: 1;
    }

    .hero-visual-placeholder {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-md);
    }
}

/* ============================================================
   Features section
   ============================================================ */

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

.feature-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-xl);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--color-shadow);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-primary-soft);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

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

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
    font-size: var(--font-size-base);
}

.feature-card-highlight {
    background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
    border-color: #f97316;
    color: #fff;
}

.feature-card-highlight .feature-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.feature-card-highlight h3 {
    color: #fff;
}

.feature-card-highlight p {
    color: rgba(255, 255, 255, 0.92);
}

.feature-card-highlight:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(249, 115, 22, 0.35);
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   How it works section
   ============================================================ */

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    counter-reset: step;
}

.step {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-xl);
    position: relative;
    text-align: center;
}

.step::before {
    counter-increment: step;
    content: counter(step);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin: 0 auto var(--space-lg);
}

.step h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.step p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .steps {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ============================================================
   Pricing section
   ============================================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px var(--color-shadow);
}

.pricing-card-accent {
    background: var(--gradient-hero);
    border-color: var(--color-yellow-dark);
}

.pricing-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.pricing-card .price {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.pricing-card .price-period {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
}

.pricing-card .pricing-note {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.pricing-card .money-back-guarantee {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #1a7f37, #2ea043);
    color: #ffffff;
    font-size: var(--font-size-sm);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.pricing-card .money-back-guarantee svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    fill: rgba(255, 255, 255, 0.15);
    stroke: #ffffff;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
    flex: 1;
}

.pricing-card li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.pricing-card li svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card li.not-included {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.pricing-card li.not-included svg {
    color: var(--color-text-muted);
}

.pricing-card li strong {
    color: var(--color-text);
}

.pricing-card .btn {
    width: 100%;
}

.pricing-disclaimer {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
}

/* ============================================================
   Benefits section
   ============================================================ */

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-lg);
}

.benefit svg {
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xs);
}

.benefit p {
    color: var(--color-text-muted);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

@media (max-width: 600px) {
    .benefits-list {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   About section
   ============================================================ */

.about-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    align-items: center;
}

.about-title {
    text-align: center;
    font-size: var(--font-size-3xl);
}

.about-image {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.about-photo {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 32px var(--color-shadow);
    display: block;
}

.about-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
}

.about-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.about-highlight {
    border-left: 4px solid var(--color-primary);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-primary-soft);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-weight: 600;
}

.about-signature {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--font-size-base) !important;
}

@media (max-width: 900px) {
    .about-grid {
        text-align: center;
        gap: var(--space-xl);
    }

    .about-photo {
        max-width: 220px;
    }

    .about-highlight {
        text-align: left;
    }
}

/* ============================================================
   CTA section
   ============================================================ */

.cta-section {
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: var(--space-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-md);
    margin-bottom: var(--space-xl);
}

.cta-section .btn-primary {
    background-color: #fff;
    color: var(--color-primary);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

/* ============================================================
   Coupon section
   ============================================================ */

.coupon-section {
    text-align: center;
    background: var(--color-orange);
    color: var(--color-text);
}

.coupon-section h2 {
    margin-bottom: var(--space-md);
}

.coupon-section p {
    font-size: var(--font-size-md);
    margin-bottom: var(--space-lg);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.coupon-section .coupon-code {
    display: inline-block;
    font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
    font-weight: 800;
    font-size: var(--font-size-xl);
    letter-spacing: 0.08em;
    background: var(--color-yellow);
    color: var(--color-text);
    padding: var(--space-sm) var(--space-lg);
    border: 2px dashed rgba(0, 0, 0, 0.45);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.coupon-section .coupon-note {
    font-size: var(--font-size-sm);
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: 0;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
    background-color: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding-top: var(--space-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-3xl);
}

.footer-title {
    color: #fff;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

.footer-intro {
    color: var(--color-footer-text);
    margin-bottom: var(--space-lg);
}

.footer-form label {
    display: block;
    color: var(--color-footer-text);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.footer-form input,
.footer-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-family: inherit;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-md);
    transition: border-color 0.2s, background-color 0.2s;
}

.footer-form input::placeholder,
.footer-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-form input:focus,
.footer-form textarea:focus {
    outline: none;
    border-color: var(--color-footer-link);
    background-color: rgba(255, 255, 255, 0.12);
}

.footer-form textarea {
    min-height: 120px;
    resize: vertical;
}

.form-message {
    display: none;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.form-message.success {
    background-color: var(--color-primary-soft);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-secondary-light);
}

.form-message.error {
    background-color: #fdecea;
    color: #b3261e;
    border: 1px solid #f5c6c2;
}

.footer-form button {
    background-color: var(--color-secondary);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.footer-form button:hover {
    background-color: var(--color-secondary-light);
}

.footer-info h4 {
    color: #fff;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xs);
    margin-top: var(--space-lg);
}

.footer-info h4:first-child {
    margin-top: 0;
}

.footer-info p {
    color: var(--color-footer-text);
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-base);
}

.footer-info a {
    color: var(--color-footer-link);
}

.footer-info a:hover {
    color: #fff;
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-footer-text);
    transition: background-color 0.2s, color 0.2s;
}

.social-links a:hover {
    background-color: var(--color-secondary);
    color: #fff;
    text-decoration: none;
}

.footer-payment {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-payment h4 {
    color: #fff;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-payment a {
    display: inline-block;
    transition: opacity 0.2s;
}

.footer-payment a:hover {
    opacity: 0.85;
}

.barion-logo {
    display: block;
    width: 100%;
    max-width: 280px;
    height: auto;
    margin: 0 auto;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: var(--color-footer-link);
    margin: 0 var(--space-sm);
}

.footer-bottom a:hover {
    color: #fff;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

/* ============================================================
   Scroll animations
   ============================================================ */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 {
    transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
    transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
    transition-delay: 0.3s;
}

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

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================================
   Scroll-to-top button
   ============================================================ */

.scroll-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--color-shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, background-color 0.2s;
    z-index: 800;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--color-primary-light);
}

/* ============================================================
   Utility helpers
   ============================================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* Mobile / PWA showcase */

.mobile-visual {
    margin-bottom: var(--space-xl);
}

.mobile-carousel {
    position: relative;
}

.mobile-carousel .carousel-btn {
    opacity: 1;
}

.mobile-content {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.mobile-points {
    text-align: left;
}

.mobile-content h2 {
    margin-bottom: var(--space-md);
}

.mobile-lead {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.mobile-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-points li {
    position: relative;
    padding-left: 1.75rem;
    color: var(--color-text-muted);
}

.mobile-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.mobile-points strong {
    color: var(--color-text);
}

.mobile-shots {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: var(--space-md) var(--space-sm);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.mobile-shots img {
    flex: 0 0 calc(25% - (var(--space-lg) * 3 / 4));
    width: calc(25% - (var(--space-lg) * 3 / 4));
    height: auto;
    scroll-snap-align: start;
    border-radius: 2rem;
    border: 8px solid #1a1a1a;
    box-shadow: 0 20px 40px var(--color-shadow);
    display: block;
    cursor: zoom-in;
    background: #fff;
}

@media (max-width: 900px) {
    .mobile-shots img {
        flex-basis: calc(50% - (var(--space-lg) / 2));
        width: calc(50% - (var(--space-lg) / 2));
        border-width: 6px;
        border-radius: 1.5rem;
    }
}

@media (max-width: 600px) {
    .mobile-shots {
        gap: var(--space-md);
        padding: var(--space-sm) 0;
    }

    .mobile-shots img {
        flex-basis: calc(55% - var(--space-md));
        width: calc(55% - var(--space-md));
        border-width: 5px;
        border-radius: 1.25rem;
    }

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

/* ============================================================
   Cookie consent banner
   ============================================================ */

#cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -8px 24px var(--color-shadow);
    padding: var(--space-md) var(--space-lg);
}

#cookie-consent-banner .cookie-consent-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

#cookie-consent-banner .cookie-consent-text {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    max-width: 720px;
}

#cookie-consent-banner .cookie-consent-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    #cookie-consent-banner .cookie-consent-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
}

.sample-invoices {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}