/* ============================================
   STRØM.DK — Design System & Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Primary — Emerald green */
    --c-primary: #047857;
    --c-primary-hover: #065f46;
    --c-primary-light: #ecfdf5;
    --c-primary-surface: #d1fae5;
    --c-primary-muted: rgba(4, 120, 87, 0.08);
    --c-accent: #10b981;
    --c-accent-glow: rgba(16, 185, 129, 0.15);

    /* Surfaces */
    --c-bg: #f8faf9;
    --c-surface: #ffffff;
    --c-surface-alt: #f0f4f2;
    --c-surface-raised: #ffffff;

    /* Text */
    --c-text: #111827;
    --c-text-secondary: #4b5563;
    --c-text-tertiary: #9ca3af;

    /* Borders & Shadows */
    --c-border: #e5e7eb;
    --c-border-light: #f3f4f6;
    --c-shadow: rgba(0, 0, 0, 0.04);
    --c-shadow-md: rgba(0, 0, 0, 0.06);
    --c-shadow-lg: rgba(0, 0, 0, 0.08);

    /* Chart */
    --c-chart-line: #047857;
    --c-chart-fill-start: rgba(16, 185, 129, 0.25);
    --c-chart-fill-end: rgba(16, 185, 129, 0.02);
    --c-chart-grid: #e5e7eb;

    /* Feedback */
    --c-success: #059669;
    --c-warning: #d97706;
    --c-error: #dc2626;

    /* Radius */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-xl: 20px;
    --r-full: 9999px;

    /* Spacing */
    --s-xs: 4px;
    --s-sm: 8px;
    --s-md: 16px;
    --s-lg: 24px;
    --s-xl: 32px;
    --s-2xl: 48px;
    --s-3xl: 64px;
    --s-4xl: 96px;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.6;

    /* Transitions */
    --t-fast: 150ms ease;
    --t-normal: 250ms ease;
    --t-slow: 400ms ease;

    /* Layout */
    --header-h: 64px;
    --max-w: 1200px;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
    --c-primary: #34d399;
    --c-primary-hover: #6ee7b7;
    --c-primary-light: rgba(52, 211, 153, 0.1);
    --c-primary-surface: rgba(52, 211, 153, 0.08);
    --c-primary-muted: rgba(52, 211, 153, 0.06);
    --c-accent: #34d399;
    --c-accent-glow: rgba(52, 211, 153, 0.12);

    --c-bg: #0b0f0d;
    --c-surface: #141a17;
    --c-surface-alt: #1a211e;
    --c-surface-raised: #1e2723;

    --c-text: #e5e7eb;
    --c-text-secondary: #9ca3af;
    --c-text-tertiary: #6b7280;

    --c-border: #2a332e;
    --c-border-light: #1e2723;
    --c-shadow: rgba(0, 0, 0, 0.2);
    --c-shadow-md: rgba(0, 0, 0, 0.3);
    --c-shadow-lg: rgba(0, 0, 0, 0.4);

    --c-chart-line: #34d399;
    --c-chart-fill-start: rgba(52, 211, 153, 0.2);
    --c-chart-fill-end: rgba(52, 211, 153, 0.01);
    --c-chart-grid: #2a332e;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: var(--leading-normal);
    color: var(--c-text);
    background-color: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--c-primary);
    text-decoration: none;
    transition: color var(--t-fast);
}

a:hover {
    color: var(--c-primary-hover);
}

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

input {
    font-family: inherit;
}

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

/* ---------- Layout ---------- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s-lg);
}

.section {
    padding: var(--s-4xl) 0;
}

.section:nth-child(even) {
    background-color: var(--c-surface-alt);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--c-text);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); }
h4 { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-text-tertiary); }

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--s-3xl);
}

.section-header p {
    margin-top: var(--s-md);
    color: var(--c-text-secondary);
    font-size: 1.125rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-sm);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--r-md);
    padding: 0 var(--s-lg);
    height: 44px;
    transition: all var(--t-normal);
    white-space: nowrap;
    text-decoration: none;
    border: 1.5px solid transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}

.btn-primary:hover {
    background: var(--c-primary-hover);
    border-color: var(--c-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px var(--c-accent-glow);
}

.btn-ghost {
    color: var(--c-text-secondary);
    border-color: var(--c-border);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--c-text);
    border-color: var(--c-text-tertiary);
    background: var(--c-primary-muted);
}

.btn-sm {
    height: 36px;
    padding: 0 var(--s-md);
    font-size: 0.8125rem;
    border-radius: var(--r-sm);
}

.btn-lg {
    height: 52px;
    padding: 0 var(--s-xl);
    font-size: 1rem;
    border-radius: var(--r-lg);
}

/* ---------- Cards ---------- */
.card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-xl);
    box-shadow: 0 1px 3px var(--c-shadow);
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    z-index: 1000;
    transition:
        background var(--t-normal),
        box-shadow var(--t-normal),
        border-color var(--t-normal);
    background: transparent;
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

[data-theme="dark"] .site-header.scrolled {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
}

.header-inner {
    position: relative;
    display: flex;
    align-items: center;
    height: calc(100% - 12px);
    margin-top: 6px;
    gap: var(--s-xl);
    padding: 0 var(--s-lg);
    border: 1px solid transparent;
    border-radius: 999px;
    transition:
        gap var(--t-normal),
        height var(--t-normal),
        margin-top var(--t-normal),
        padding var(--t-normal),
        background var(--t-normal),
        border-color var(--t-normal),
        box-shadow var(--t-normal),
        backdrop-filter var(--t-normal);
}

.site-header.scrolled .header-inner {
    gap: var(--s-xl);
    height: 52px;
    margin-top: 6px;
    padding: 0 var(--s-lg);
    border-color: rgba(255, 255, 255, 0.74);
    background: rgba(255, 255, 255, 0.58);
    box-shadow: 0 14px 36px rgba(18, 24, 20, 0.08);
    backdrop-filter: blur(30px) saturate(185%);
    -webkit-backdrop-filter: blur(30px) saturate(185%);
}

[data-theme="dark"] .site-header.scrolled .header-inner {
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(20, 26, 23, 0.62);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

.brand {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--c-text);
    text-decoration: none;
    letter-spacing: -0.03em;
    flex-shrink: 0;
    transition: font-size var(--t-normal), letter-spacing var(--t-normal);
}

.brand:hover {
    color: var(--c-text);
}

.site-header.scrolled .brand {
    font-size: 1.3125rem;
    letter-spacing: -0.028em;
}

.brand-tld {
    color: var(--c-primary);
    font-weight: 600;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--s-xs);
    margin-left: auto;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    padding: var(--s-sm) var(--s-md);
    border-radius: var(--r-sm);
    transition:
        color var(--t-fast),
        background var(--t-fast),
        padding var(--t-normal),
        font-size var(--t-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--c-text);
    background: var(--c-primary-muted);
}

.nav-link.active {
    color: var(--c-primary);
}

.site-header.scrolled .nav-link {
    font-size: 0.85rem;
    padding: calc(var(--s-sm) - 1px) var(--s-md);
}

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

.theme-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-sm);
    color: var(--c-text-secondary);
    transition:
        color var(--t-fast),
        background var(--t-fast),
        width var(--t-normal),
        height var(--t-normal),
        transform var(--t-normal);
}

.theme-toggle:hover {
    color: var(--c-text);
    background: var(--c-primary-muted);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

.site-header.scrolled .theme-toggle,
.site-header.scrolled .mobile-menu-btn {
    width: 34px;
    height: 34px;
    transform: scale(0.98);
}

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

.mobile-menu-btn {
    display: none;
    width: 36px;
    height: 36px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--r-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform var(--t-normal), opacity var(--t-normal);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-h) + var(--s-3xl));
    padding-bottom: var(--s-4xl);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, var(--c-accent-glow) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

[data-theme="dark"] .hero-glow {
    opacity: 0.6;
}

.hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s-2xl);
}

.hero-content {
    max-width: 720px;
}

.hero-headline {
    margin-bottom: var(--s-lg);
}

.hero-subheadline {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--c-text-secondary);
    line-height: var(--leading-snug);
    max-width: 580px;
    margin: 0 auto;
}

.hero-actions {
    display: flex;
    gap: var(--s-md);
    justify-content: center;
    margin-top: var(--s-xl);
    flex-wrap: nowrap;
}

.hero-actions .btn {
    white-space: nowrap;
}

.hero-trust {
    display: flex;
    gap: var(--s-lg);
    margin-top: var(--s-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
}

.trust-badge svg {
    color: var(--c-primary);
    flex-shrink: 0;
}

/* ---------- Newsletter (shared) ---------- */
.hero-newsletter {
    max-width: 440px;
    width: 100%;
}

.newsletter-micro {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
    margin-bottom: var(--s-sm);
}

.newsletter-form {
    display: flex;
    gap: var(--s-sm);
}

.newsletter-input {
    flex: 1;
    height: 44px;
    padding: 0 var(--s-md);
    border: 1.5px solid var(--c-border);
    border-radius: var(--r-md);
    background: var(--c-surface);
    color: var(--c-text);
    font-size: 0.9375rem;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.newsletter-input::placeholder {
    color: var(--c-text-tertiary);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px var(--c-accent-glow);
}

.newsletter-btn {
    flex-shrink: 0;
}

.newsletter-success {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--c-success);
    padding: var(--s-md) 0;
    animation: fadeInUp 0.4s ease;
}

.newsletter-success svg {
    flex-shrink: 0;
}

/* ---------- Comparison Section ---------- */
.comparison-section {
    background-color: var(--c-surface-alt);
}

body.modal-open {
    overflow: hidden;
}

body.menu-open {
    overflow: hidden;
}

.comparison-controls {
    margin-bottom: var(--s-xl);
    padding: 0.8rem 0.9rem 0.9rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.control-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
}

/* Range slider */
.range-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-md);
}

.range-header label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
}

.range-value {
    font-size: clamp(1.9rem, 3vw, 2.45rem);
    font-weight: 800;
    color: var(--c-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: -0.04em;
    text-align: right;
}

.range-header-compact {
    margin-bottom: 0.35rem;
}

.range-slider-step {
    background: linear-gradient(90deg, rgba(15, 118, 110, 0.14), rgba(203, 213, 225, 0.75));
}

.range-slider-wrap {
    position: relative;
    padding: 0.1rem 0 0.2rem;
}

.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 10px;
    border-radius: var(--r-full);
    background: linear-gradient(90deg, rgba(15, 118, 110, 0.12), rgba(203, 213, 225, 0.7));
    outline: none;
    margin: 0;
    cursor: pointer;
    touch-action: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--c-primary);
    border: 5px solid rgba(255, 255, 255, 0.96);
    box-shadow: 0 10px 20px rgba(15, 118, 110, 0.22);
    cursor: grab;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.06);
    box-shadow: 0 14px 28px rgba(15, 118, 110, 0.26);
}

.range-slider::-moz-range-thumb {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--c-primary);
    border: 5px solid rgba(255, 255, 255, 0.96);
    box-shadow: 0 10px 20px rgba(15, 118, 110, 0.22);
    cursor: grab;
}

.range-slider:active::-webkit-slider-thumb {
    cursor: grabbing;
}

.range-slider:active::-moz-range-thumb {
    cursor: grabbing;
}

.range-slider:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.18);
}

[data-theme="dark"] .range-slider::-webkit-slider-thumb {
    border-width: 4px;
    box-shadow: 0 6px 14px rgba(15, 118, 110, 0.16);
}

[data-theme="dark"] .range-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 10px 18px rgba(15, 118, 110, 0.2);
}

[data-theme="dark"] .range-slider::-moz-range-thumb {
    border-width: 4px;
    box-shadow: 0 6px 14px rgba(15, 118, 110, 0.16);
}

[data-theme="dark"] .range-slider:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.14);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
}

.range-labels-km {
    margin-top: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--c-text-tertiary);
}

.comparison-controls-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: stretch;
    margin-bottom: 0;
}

.comparison-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.55rem;
}

.comparison-stat {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    width: 100%;
    padding: 0.68rem 0.8rem;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.96));
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.comparison-stat-trigger {
    appearance: none;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-normal), border-color var(--t-fast), background var(--t-fast);
}

.comparison-stat-trigger:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.08);
}

.comparison-stat-trigger.is-active {
    border-color: rgba(52, 211, 153, 0.28);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(236, 253, 245, 0.96));
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.1);
}

.comparison-stat-trigger:focus-visible,
.comparison-stat-direct-toggle:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 3px;
}

.comparison-stat-direct-toggle {
    appearance: none;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-normal), border-color var(--t-fast), background var(--t-fast);
}

.comparison-stat-direct-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.08);
    border-color: rgba(52, 211, 153, 0.22);
}

.comparison-stat-direct-toggle:active {
    transform: translateY(0);
}

.comparison-stat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 2.5rem;
}

.comparison-stat-head .comparison-stat-label {
    margin-bottom: 0;
}

.comparison-stat-trigger-badge {
    flex-shrink: 0;
    padding: 0.34rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(52, 211, 153, 0.2);
    background: rgba(255, 255, 255, 0.92);
    color: var(--c-primary);
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
    transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.comparison-stat-label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--c-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.comparison-stat-value {
    display: block;
    font-size: clamp(1.25rem, 1.8vw, 1.65rem);
    font-weight: 800;
    color: var(--c-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.comparison-stat-value-small {
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.comparison-assumptions {
    margin-top: 0;
    margin-bottom: 0.7rem;
    font-size: 0.8rem;
}

.comparison-assumptions-header {
    justify-content: center;
    margin-top: 0.9rem;
    margin-bottom: 0;
}

.comparison-control-popover {
    margin-top: 0.9rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    animation: fadeInUp 0.2s ease;
}

.comparison-control-popover[hidden] {
    display: none !important;
}

.comparison-control-popover-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.95rem;
}

.comparison-control-kicker {
    display: inline-flex;
    margin-bottom: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-text-tertiary);
}

.comparison-control-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-text);
}

.comparison-control-description {
    margin-top: 0.18rem;
    font-size: 0.85rem;
    color: var(--c-text-secondary);
}

.comparison-control-close {
    flex-shrink: 0;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    color: var(--c-text);
    font-size: 0.82rem;
    font-weight: 700;
    transition: border-color var(--t-fast), transform var(--t-fast), background var(--t-fast);
}

.comparison-control-close:hover {
    transform: translateY(-1px);
    border-color: rgba(52, 211, 153, 0.35);
}

.comparison-control-close:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

.comparison-control-panel[hidden] {
    display: none !important;
}

.comparison-control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.comparison-control-card {
    padding: 0.95rem 1rem;
    border-radius: 18px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.comparison-control-card-compact {
    width: 100%;
    max-width: 760px;
}

.comparison-control-stack {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.comparison-popover-segment {
    width: 100%;
    max-width: 420px;
}

.comparison-control-note {
    font-size: 0.82rem;
    color: var(--c-text-secondary);
}

.control-group-inline {
    gap: 0.3rem;
}

.control-group-inline .range-slider-wrap {
    padding: 0;
}

.range-labels-inline {
    margin-top: 0.32rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--c-text-tertiary);
}

.comparison-inline-output {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--c-primary);
}

.comparison-control-summary-meta {
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.05em;
    color: var(--c-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.comparison-control-summary-topline {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.comparison-control-summary-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.18rem;
    min-width: 240px;
    padding: 0.65rem 0.8rem;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.96));
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .comparison-control-popover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

[data-theme="dark"] .comparison-control-card {
    background: linear-gradient(180deg, rgba(43, 48, 55, 0.98), rgba(34, 39, 45, 0.95));
    border-color: rgba(148, 163, 184, 0.2);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

[data-theme="dark"] .comparison-control-summary-box {
    border-color: rgba(148, 163, 184, 0.18);
    background: linear-gradient(180deg, rgba(50, 55, 63, 0.96), rgba(39, 44, 51, 0.94));
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
}

.comparison-control-summary-label {
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--c-text-tertiary);
}

.comparison-control-summary-value {
    display: block;
    font-size: 0.94rem;
    line-height: 1.15;
    white-space: nowrap;
}

@media (max-width: 1100px) {
    .comparison-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .comparison-control-grid {
        grid-template-columns: 1fr;
    }

    .comparison-control-summary-box {
        min-width: 0;
    }
}

@media (max-width: 720px) {
    .comparison-controls {
        padding: 0.9rem;
    }

    .comparison-stats {
        grid-template-columns: 1fr;
    }

    .comparison-stat-head {
        align-items: center;
    }

    .comparison-control-popover {
        padding: 0.85rem;
    }

    .comparison-control-popover-header {
        flex-direction: column;
        align-items: stretch;
    }

    .comparison-control-close {
        width: 100%;
    }

    .range-header {
        flex-direction: column;
        align-items: stretch;
    }

    .comparison-control-summary-box {
        width: 100%;
    }
}

.assumptions-bar-inline {
    margin-top: -0.1rem;
    padding-top: 0;
    border-top: 0;
    align-items: flex-start;
}

/* Segment Control */
.segment-control {
    display: flex;
    position: relative;
    background: var(--c-surface-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 3px;
    gap: 2px;
}

.subscription-control {
    width: 100%;
    max-width: 380px;
    min-height: 100%;
    background: var(--c-surface-alt);
    border-color: var(--c-border);
    box-shadow: none;
    align-items: stretch;
}

.segment-btn {
    flex: 1;
    position: relative;
    z-index: 1;
    padding: 0.72rem 1rem;
    min-height: 100%;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    border-radius: calc(var(--r-md) - 3px);
    transition: color var(--t-normal);
    white-space: nowrap;
}

.segment-btn.active {
    color: var(--c-text);
    font-weight: 600;
}

.segment-btn:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: -2px;
}

.segment-indicator {
    position: absolute;
    top: 3px;
    left: 3px;
    height: calc(100% - 6px);
    border-radius: calc(var(--r-md) - 3px);
    background: var(--c-surface);
    box-shadow: 0 1px 3px var(--c-shadow-md);
    transition: transform var(--t-normal), width var(--t-normal);
    z-index: 0;
}


.comparison-info-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--c-text-secondary);
}

.comparison-info-icon {
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--c-border);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--c-primary);
}

.comparison-info-toggle[aria-expanded="true"] {
    color: var(--c-text);
}

.assumptions-info-toggle {
    font-size: 0.8125rem;
    font-weight: 500;
}

.assumptions-info-toggle .comparison-info-icon {
    width: 1.1rem;
    height: 1.1rem;
    font-size: 0.6875rem;
}

.comparison-info-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s-lg);
}

.comparison-info-overlay[hidden] {
    display: none !important;
}

.comparison-info-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(16, 185, 129, 0.10), transparent 28%),
        rgba(15, 23, 42, 0.34);
    backdrop-filter: blur(10px) saturate(1.1);
}

.comparison-info-modal {
    position: relative;
    z-index: 1;
    width: min(620px, 100%);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94));
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    box-shadow:
        0 32px 80px rgba(15, 23, 42, 0.18),
        0 8px 24px rgba(15, 23, 42, 0.08);
    padding: 1.25rem 1.25rem 1.1rem;
}

.comparison-info-header {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.comparison-info-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 0.24rem 0.55rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: var(--c-primary);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.comparison-info-modal h3 {
    margin-bottom: 0;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.comparison-info-content {
    display: grid;
    gap: 0.85rem;
    font-size: 0.86rem;
    color: var(--c-text-secondary);
    line-height: 1.7;
}

.comparison-info-content p {
    margin: 0;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.comparison-info-content p:first-child {
    padding-top: 0;
    border-top: 0;
}

.comparison-info-close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--c-text-secondary);
    background: rgba(255, 255, 255, 0.72);
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.comparison-info-close:hover {
    background: rgba(255, 255, 255, 0.92);
    color: var(--c-text);
    border-color: var(--c-primary);
}

/* Assumptions bar */
.assumptions-bar {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    padding-top: var(--s-md);
    border-top: 1px solid var(--c-border-light);
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
    flex-wrap: wrap;
}

.assumptions-sep {
    color: var(--c-border);
}

/* Comparison Results */
.comparison-results {
    display: grid;
    gap: var(--s-lg);
    margin-bottom: var(--s-xl);
}

.provider-logo {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    --logo-scale: 1;
    --logo-shift-y: 0px;
}

.provider-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transform: translateY(var(--logo-shift-y)) scale(var(--logo-scale));
    transform-origin: center;
}

[data-theme="dark"] .provider-logo img {
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

.provider-logo-fallback {
    width: 100%;
    height: 100%;
    border-radius: var(--r-sm);
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
}

.provider-logo-clever-mark {
    position: relative;
    display: block;
    width: 42px;
    height: 42px;
}

.provider-logo-enkel-mark {
    display: block;
    width: 100%;
    height: 100%;
}

.provider-logo-enkel-mark svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.provider-logo-clever-dot {
    position: absolute;
    display: block;
    border-radius: 999px;
    background: #083c3b;
}

.provider-logo-clever-dot.dot-lg {
    width: 14px;
    height: 14px;
}

.provider-logo-clever-dot.dot-sm {
    width: 8px;
    height: 8px;
}

.provider-logo-clever-dot.dot-top {
    top: 0;
    left: 12px;
}

.provider-logo-clever-dot.dot-top-right {
    top: 6px;
    right: 5px;
}

.provider-logo-clever-dot.dot-left {
    left: 0;
    top: 14px;
}

.provider-logo-clever-dot.dot-bottom {
    left: 12px;
    bottom: 0;
}

.provider-logo-clever-dot.dot-right {
    right: 0;
    top: 24px;
}

.provider-logo-lg {
    width: 96px;
    height: 34px;
}

.provider-logo-lg .provider-logo-fallback {
    font-size: 1.125rem;
}

.provider-logo-sm {
    width: 88px;
    height: 32px;
}

.provider-logo-sm .provider-logo-fallback {
    font-size: 0.875rem;
}

.provider-logo--clever {
    --logo-scale: 1;
    --logo-shift-y: 0px;
}

.provider-logo--clever.provider-logo-sm {
    width: 88px;
    height: 42px;
}

.provider-logo--clever.provider-logo-lg {
    width: 96px;
    height: 42px;
}

[data-theme="dark"] .provider-logo--clever .provider-logo-clever-dot {
    background: #d8fff3;
}

.provider-logo--unox {
    --logo-scale: 0.96;
}

.provider-logo--eon {
    --logo-scale: 1.08;
}

.provider-logo--ewii {
    --logo-scale: 1.08;
}

.provider-logo--enkel-energi {
    --enkel-logo-accent: #ffcc29;
    --enkel-logo-wordmark-strong: #474754;
    --enkel-logo-wordmark-light: #474754;
}

.provider-logo--enkel-energi.provider-logo-sm {
    width: 112px;
    height: 34px;
}

.provider-logo--enkel-energi.provider-logo-lg {
    width: 120px;
    height: 36px;
}

.provider-logo--tesla {
    --logo-scale: 0.86;
}

.provider-logo--ok {
    --logo-scale: 0.98;
}

.provider-logo--circlek,
.provider-logo--spirii,
.provider-logo--norlys,
.provider-logo--allego,
.provider-logo--byhavn,
.provider-logo--eviny,
.provider-logo--powergo,
.provider-logo--stella {
    --logo-scale: 1;
}

.provider-logo--apcoa {
    --logo-scale: 1.1;
}

.provider-logo--fastned {
    --logo-scale: 1.08;
}

[data-theme="dark"] .provider-logo--fastned img {
    filter: brightness(1.9) contrast(1.2) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

[data-theme="dark"] .provider-logo--unox img {
    filter: brightness(1.7) contrast(1.15) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

[data-theme="dark"] .provider-logo--byhavn img {
    filter: brightness(1.65) contrast(1.12) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

[data-theme="dark"] .provider-logo--enkel-energi {
    --enkel-logo-wordmark-strong: #f5f5f4;
    --enkel-logo-wordmark-light: #d6d3d1;
}

[data-theme="dark"] .provider-logo--stella img {
    filter: brightness(0) invert(1) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

.provider-logo--ionity {
    --logo-scale: 1.02;
    --logo-shift-y: 5px;
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--s-md);
}

.providers-grid-ranked {
    margin-bottom: var(--s-xl);
}

.provider-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    animation: fadeInUp 0.5s ease backwards;
    position: relative;
    overflow: hidden;
}

.provider-card-topbar-offset {
    padding-top: calc(var(--s-lg) + 0.55rem);
}

.provider-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 2px 12px var(--c-accent-glow);
}

.provider-card[role="button"] {
    cursor: pointer;
}

.provider-card:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

.provider-card-winner {
    border-width: 2px;
    border-color: var(--c-primary);
    box-shadow: 0 4px 24px var(--c-accent-glow), 0 1px 3px var(--c-shadow);
}

.provider-card-corner {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-top: 68px solid var(--c-primary);
    border-right: 68px solid transparent;
    z-index: 2;
}

.provider-card-corner span {
    position: absolute;
    top: -51px;
    left: 12px;
    transform: rotate(-45deg);
    transform-origin: left top;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.provider-card-header {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    padding-top: 0.25rem;
}

.provider-card-topbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5mm;
    border-radius: calc(var(--r-lg) - 1px) calc(var(--r-lg) - 1px) 0 0;
    background: linear-gradient(90deg, #16a34a, #15803d);
    color: #ecfdf5;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    z-index: 1;
}

.provider-card-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.provider-card-winner .provider-card-name {
    font-size: 1.25rem;
}

.provider-card-type {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
}

.provider-card-type-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.1rem;
}

.provider-card-cost {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-text);
    font-variant-numeric: tabular-nums;
}

.provider-card-winner .provider-card-cost {
    font-size: 2rem;
    color: var(--c-primary);
}

.provider-card-diff {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
    font-variant-numeric: tabular-nums;
}

.provider-card-cost-placeholder,
.provider-card-diff-placeholder {
    visibility: hidden;
}

.provider-card-cost-muted {
    color: #9ca3af;
    font-style: italic;
    font-weight: 600;
}

.provider-card-diff-muted {
    color: #b6bcc7;
    font-style: italic;
}

[data-theme="dark"] .provider-card-cost-muted {
    color: #c2c9d4;
}

[data-theme="dark"] .provider-card-diff-muted {
    color: #9aa4b3;
}

.provider-card-summary-divider {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--c-border-light);
}

.provider-details-modal {
    width: min(620px, 100%);
}

.provider-details-content {
    gap: 0.9rem;
    grid-template-columns: 1fr;
}

.provider-details-content p {
    margin: 0;
    padding: 0.9rem 0 0;
    border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.provider-details-content p:first-child {
    padding-top: 0;
    border-top: 0;
}

.provider-details-header {
    padding-right: 2.5rem;
}

.provider-details-content strong {
    color: var(--c-text);
}

[data-theme="dark"] .comparison-info-modal {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(17, 24, 39, 0.9));
    border-color: rgba(148, 163, 184, 0.16);
    box-shadow:
        0 32px 80px rgba(0, 0, 0, 0.42),
        0 8px 24px rgba(0, 0, 0, 0.22);
}

[data-theme="dark"] .comparison-info-close {
    background: rgba(30, 41, 59, 0.72);
    border-color: rgba(148, 163, 184, 0.16);
}

[data-theme="dark"] .comparison-info-close:hover {
    background: rgba(30, 41, 59, 0.95);
}

.provider-card-muted-price {
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    color: #9ca3af;
}

.provider-card-muted-price em {
    font-style: italic;
    color: #b6bcc7;
}

.provider-card-muted-price-icon {
    color: #dc2626;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1;
}

.comparison-disclaimer {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    line-height: var(--leading-normal);
}

.comparison-disclaimer a,
.provider-details-content a {
    color: inherit;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.16em;
}

/* ---------- Prices Section ---------- */
.prices-section {
    background-color: var(--c-bg);
}

.price-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-md);
    margin-bottom: var(--s-xl);
}

.price-stat-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-lg);
    text-align: center;
}

.price-stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--c-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--s-xs);
}

.price-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-text);
    font-variant-numeric: tabular-nums;
}

.price-stat-value.highlight {
    color: var(--c-primary);
}

.price-stat-unit {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--c-text-tertiary);
}

.price-stat-time {
    font-size: 0.6875rem;
    color: var(--c-text-tertiary);
    margin-top: var(--s-xs);
}

/* Chart wrapper */
.price-chart-wrapper {
    margin-bottom: var(--s-xl);
}

.chart-controls {
    display: flex;
    justify-content: space-between;
    gap: var(--s-md);
    margin-bottom: var(--s-lg);
    flex-wrap: wrap;
}

.toggle-group {
    display: inline-flex;
    background: var(--c-surface-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    padding: 2px;
    gap: 1px;
}

.toggle-btn {
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    border-radius: calc(var(--r-sm) - 2px);
    transition: all var(--t-fast);
}

.toggle-btn.active {
    background: var(--c-surface);
    color: var(--c-text);
    font-weight: 600;
    box-shadow: 0 1px 2px var(--c-shadow);
}

.toggle-btn:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: -2px;
}

.toggle-sm .toggle-btn {
    font-size: 0.75rem;
    padding: 4px 10px;
}

.chart-container {
    position: relative;
    height: 320px;
    margin: 0 -8px;
}

.chart-meta {
    display: flex;
    justify-content: space-between;
    gap: var(--s-md);
    margin-top: var(--s-md);
    font-size: 0.6875rem;
    color: var(--c-text-tertiary);
    flex-wrap: wrap;
}

.chart-source {
    font-style: italic;
}

.chart-timestamp {
    text-align: right;
}

/* Price explainer */
.price-explainer {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.price-explainer h3 {
    margin-bottom: var(--s-md);
}

.price-explainer p {
    color: var(--c-text-tertiary);
    font-size: 0.75rem;
    line-height: var(--leading-normal);
}

.tooltip-trigger {
    border-bottom: 1px dashed var(--c-text-tertiary);
    cursor: help;
}

/* ---------- Calculator Section ---------- */
.calculator-section {
    background-color: var(--c-surface-alt);
}

.calculator-controls {
    margin-bottom: var(--s-xl);
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

.calculator-controls-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 0.8rem;
    align-items: start;
}

.calculator-control-heading {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 0.45rem;
}

.calculator-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.calculator-control-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.device-card {
    background: var(--c-surface);
    border: 1.5px solid var(--c-border);
    border-radius: 20px;
    padding: 0.9rem 0.95rem;
    cursor: pointer;
    transition: all var(--t-fast);
    text-align: left;
    min-height: 88px;
}

.device-card:hover {
    border-color: var(--c-primary);
    background: rgba(16, 185, 129, 0.05);
}

.device-card.active {
    border-color: var(--c-primary);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.10), rgba(255, 255, 255, 0.96));
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.10);
}

.device-card:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

.device-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--c-text);
}

.device-watt {
    display: block;
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
    margin-top: 2px;
}

.usage-control {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-lg);
}

.usage-control-modern {
    padding: 0.85rem 0.95rem 0.8rem;
    border-radius: 24px;
    background:
        radial-gradient(circle at top left, rgba(16, 185, 129, 0.09), transparent 36%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.96));
}

.calc-price-toggle {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    flex-wrap: wrap;
}

.calc-price-toggle-modern {
    align-items: center;
    justify-content: flex-start;
    width: 100%;
}

.calc-price-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
}

.segment-control-full {
    width: 100%;
}

/* Calculator result */
.calc-result {
    text-align: center;
    border-color: var(--c-primary);
    border-width: 1.5px;
    border-radius: 24px;
    box-shadow: 0 10px 24px rgba(16, 185, 129, 0.07);
    max-width: 540px;
    margin: 0 auto;
    padding: 1.05rem 1.2rem 0.95rem;
    background:
        radial-gradient(circle at top left, rgba(16, 185, 129, 0.06), transparent 32%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 252, 0.96));
}

.calc-result-main {
    margin-bottom: 0.7rem;
}

.calc-result-amount {
    font-size: clamp(2rem, 3.4vw, 2.7rem);
    font-weight: 800;
    color: var(--c-primary);
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.calc-result-unit {
    display: block;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    margin-top: 0.2rem;
}

.calc-result-secondary {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    padding-top: 0.8rem;
    border-top: 1px solid var(--c-border-light);
}

.calc-result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.calc-result-sub-amount {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
    font-variant-numeric: tabular-nums;
}

.calc-result-sub-label {
    display: block;
    font-size: 0.7rem;
    color: var(--c-text-tertiary);
    margin-top: 2px;
}

.calc-result-note {
    margin-top: 0.75rem;
    font-size: 0.68rem;
    color: var(--c-text-tertiary);
    line-height: var(--leading-normal);
    max-width: 40ch;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Why Section ---------- */
.why-section {
    background-color: var(--c-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-lg);
}

.why-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-xl);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.why-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 4px 16px var(--c-accent-glow);
}

.why-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--r-md);
    background: var(--c-primary-light);
    color: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--s-md);
}

.why-card h3 {
    margin-bottom: var(--s-sm);
}

.why-card p {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    line-height: var(--leading-normal);
}

/* ---------- Newsletter CTA Section ---------- */
.newsletter-section {
    background: var(--c-surface-alt);
}

.newsletter-cta {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-cta-content h2 {
    margin-bottom: var(--s-md);
}

.newsletter-cta-content p {
    color: var(--c-text-secondary);
    margin-bottom: var(--s-xl);
    font-size: 1.0625rem;
}

.newsletter-cta-form {
    max-width: 440px;
    margin: 0 auto;
}

/* ---------- FAQ Section ---------- */
.faq-section {
    background-color: var(--c-bg);
}

.accordion {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
}

.accordion-item {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: border-color var(--t-fast);
}

.accordion-item.open {
    border-color: var(--c-primary);
}

.accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-md);
    padding: var(--s-lg) var(--s-xl);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--c-text);
    transition: color var(--t-fast);
}

.accordion-trigger:hover {
    color: var(--c-primary);
}

.accordion-trigger:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: -2px;
    border-radius: var(--r-lg);
}

.accordion-chevron {
    flex-shrink: 0;
    color: var(--c-text-tertiary);
    transition: transform var(--t-normal);
}

.accordion-item.open .accordion-chevron {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.accordion-body {
    padding: 0 var(--s-xl) var(--s-lg);
}

.accordion-body p {
    color: var(--c-text-secondary);
    font-size: 0.9375rem;
    line-height: var(--leading-normal);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    padding: var(--s-3xl) 0 var(--s-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--s-2xl);
    margin-bottom: var(--s-2xl);
}

.footer-brand .brand {
    display: inline-block;
    margin-bottom: var(--s-md);
    font-size: 1.25rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    line-height: var(--leading-normal);
    max-width: 320px;
}

.footer-links h4 {
    margin-bottom: var(--s-md);
}

.footer-links nav {
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    transition: color var(--t-fast);
}

.footer-links a:hover {
    color: var(--c-primary);
}

.footer-bottom {
    padding-top: var(--s-xl);
    border-top: 1px solid var(--c-border);
    display: flex;
    justify-content: space-between;
    gap: var(--s-md);
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
}

.footer-disclaimer {
    max-width: 480px;
    text-align: right;
}

/* ---------- Tooltips ---------- */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-surface-raised);
    color: var(--c-text);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--s-sm) var(--s-md);
    font-size: 0.8125rem;
    font-weight: 400;
    line-height: 1.4;
    max-width: 260px;
    width: max-content;
    box-shadow: 0 4px 16px var(--c-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-fast), visibility var(--t-fast);
    pointer-events: none;
    z-index: 100;
    text-align: left;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus::after {
    opacity: 1;
    visibility: visible;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Stagger children */
.animate-in.visible .provider-card:nth-child(1) { animation-delay: 0.05s; }
.animate-in.visible .provider-card:nth-child(2) { animation-delay: 0.1s; }
.animate-in.visible .provider-card:nth-child(3) { animation-delay: 0.15s; }
.animate-in.visible .provider-card:nth-child(4) { animation-delay: 0.2s; }
.animate-in.visible .provider-card:nth-child(5) { animation-delay: 0.25s; }
.animate-in.visible .provider-card:nth-child(6) { animation-delay: 0.3s; }

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

    html {
        scroll-behavior: auto;
    }

    .animate-in {
        opacity: 1;
        transform: none;
    }
}

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

    .calculator-controls-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .section {
        padding: var(--s-3xl) 0;
    }

    .container {
        padding: 0 var(--s-md);
    }

    .section-header {
        margin-bottom: var(--s-2xl);
    }

    /* Header mobile */
    .header-inner {
        gap: var(--s-md);
        padding: 0 var(--s-md);
        border-radius: 22px;
    }

    .site-header.scrolled .header-inner {
        gap: var(--s-md);
        padding: 0 var(--s-md);
    }

    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 0.6rem);
        left: 0;
        right: 0;
        margin-left: 0;
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid rgba(15, 23, 42, 0.08);
        border-radius: 20px;
        flex-direction: column;
        padding: 0.7rem;
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.14);
        backdrop-filter: blur(18px) saturate(1.1);
        -webkit-backdrop-filter: blur(18px) saturate(1.1);
    }

    .main-nav.open {
        display: flex;
    }

    [data-theme="dark"] .main-nav {
        background: rgba(20, 26, 23, 0.95);
        border-color: rgba(148, 163, 184, 0.16);
        box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
    }

    .nav-link {
        width: 100%;
        padding: 0.95rem 1rem;
        font-size: 1rem;
    }

    .header-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Hero mobile */
    .hero-section {
        min-height: auto;
        padding-top: calc(var(--header-h) + var(--s-2xl));
        padding-bottom: var(--s-3xl);
    }

    .hero-inner {
        align-items: stretch;
        gap: var(--s-xl);
    }

    .hero-content {
        max-width: none;
        text-align: left;
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-subheadline {
        margin: 0;
        max-width: 32rem;
    }

    .hero-trust {
        flex-direction: column;
        align-items: stretch;
        gap: var(--s-sm);
    }

    .trust-badge {
        width: 100%;
        justify-content: flex-start;
        padding: 0.8rem 0.9rem;
        border-radius: 16px;
        border: 1px solid rgba(15, 23, 42, 0.06);
        background: rgba(255, 255, 255, 0.7);
    }

    [data-theme="dark"] .trust-badge {
        border-color: rgba(148, 163, 184, 0.14);
        background: rgba(30, 39, 35, 0.72);
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--s-sm);
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Comparison mobile */
    .controls-grid {
        grid-template-columns: 1fr;
        gap: var(--s-lg);
    }

    .controls-column {
        gap: var(--s-md);
    }

    .range-label-vertical {
        writing-mode: horizontal-tb;
        transform: none;
        min-height: 0;
        padding: 0;
        border-radius: 0;
        background: transparent;
        border: 0;
    }

    .km-slider-panel {
        padding: 0;
        border-radius: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

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

    .comparison-controls,
    .price-chart-wrapper.card {
        padding: var(--s-lg);
    }

    .comparison-assumptions-header {
        justify-content: flex-start;
    }

    .comparison-stat {
        padding: 0.8rem 0.85rem;
    }

    .comparison-stat-head {
        align-items: flex-start;
        gap: 0.55rem;
    }

    .comparison-stat-trigger-badge {
        align-self: flex-start;
    }

    .comparison-stat-value {
        font-size: clamp(1.18rem, 5vw, 1.45rem);
    }

    .comparison-stat-value-small {
        font-size: 1rem;
    }

    .comparison-control-card {
        padding: 0.9rem;
        border-radius: 16px;
    }

    .comparison-control-summary-value {
        white-space: normal;
    }

    .provider-card {
        padding: var(--s-md);
    }

    .provider-card-topbar-offset {
        padding-top: calc(var(--s-md) + 0.6rem);
    }

    .provider-card-header {
        align-items: flex-start;
    }

    .provider-card-winner .provider-card-name {
        font-size: 1.1rem;
    }

    .provider-card-winner .provider-card-cost {
        font-size: 1.65rem;
    }

    /* Stats mobile */
    .price-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .price-stat-card {
        padding: var(--s-md);
    }

    .chart-controls {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .toggle-group {
        display: flex;
        width: 100%;
    }

    .toggle-btn {
        flex: 1;
        min-width: 0;
        text-align: center;
    }

    .chart-container {
        height: 280px;
        margin: 0 -4px;
    }

    .chart-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--s-xs);
    }

    .chart-timestamp {
        text-align: left;
    }

    /* Calculator mobile */
    .device-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Why mobile */
    .why-grid {
        grid-template-columns: 1fr;
    }

    /* Footer mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--s-xl);
    }

    .footer-bottom {
        flex-direction: column;
    }

    .footer-disclaimer {
        text-align: left;
    }

    .accordion-trigger {
        padding: var(--s-md) var(--s-lg);
        font-size: 0.95rem;
    }

    .accordion-body {
        padding: 0 var(--s-lg) var(--s-md);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .section {
        padding: var(--s-2xl) 0;
    }

    .container {
        padding: 0 14px;
    }

    .header-inner {
        gap: 0.7rem;
        padding: 0 0.85rem;
        border-radius: 18px;
    }

    .site-header.scrolled .header-inner {
        padding: 0 0.85rem;
    }

    .brand {
        font-size: 1.2rem;
    }

    .site-header.scrolled .brand {
        font-size: 1.14rem;
    }

    .main-nav {
        padding: 0.6rem;
        border-radius: 18px;
    }

    .hero-section {
        padding-top: calc(var(--header-h) + var(--s-xl));
        padding-bottom: var(--s-2xl);
    }

    .hero-subheadline {
        font-size: 1rem;
    }

    .hero-actions .btn {
        height: 48px;
        padding: 0 var(--s-lg);
    }

    .trust-badge {
        padding: 0.75rem 0.85rem;
    }

    .comparison-controls,
    .price-chart-wrapper.card {
        padding: 0.85rem;
    }

    .comparison-stat {
        padding: 0.75rem 0.8rem;
    }

    .comparison-stat-head {
        min-height: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.45rem;
    }

    .comparison-stat-trigger-badge {
        padding: 0.28rem 0.55rem;
    }

    .comparison-stat-value {
        font-size: 1.12rem;
    }

    .comparison-control-popover-header {
        gap: 0.7rem;
    }

    .comparison-control-title {
        font-size: 1rem;
    }

    .comparison-control-description {
        font-size: 0.8rem;
    }

    .comparison-control-close {
        padding: 0.65rem 0.8rem;
    }

    .comparison-control-card {
        padding: 0.8rem;
    }

    .range-labels-inline,
    .comparison-control-summary-label,
    .comparison-control-summary-meta {
        font-size: 0.66rem;
    }

    .comparison-info-overlay {
        align-items: flex-end;
        padding: var(--s-md);
    }

    .comparison-info-modal {
        width: 100%;
        max-height: min(78vh, 100%);
        overflow-y: auto;
        border-radius: 22px 22px 0 0;
        padding: 1rem 1rem 0.95rem;
    }

    .comparison-info-close {
        top: 0.75rem;
        right: 0.75rem;
    }

    .provider-card {
        padding: 0.95rem;
    }

    .provider-logo-sm {
        width: 76px;
        height: 30px;
    }

    .provider-logo--clever.provider-logo-sm {
        width: 78px;
        height: 38px;
    }

    .provider-logo--enkel-energi.provider-logo-sm {
        width: 100px;
        height: 32px;
    }

    .provider-card-winner .provider-card-cost {
        font-size: 1.45rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-btn {
        width: 100%;
    }

    .price-stats {
        grid-template-columns: 1fr 1fr;
    }

    .price-stat-value {
        font-size: 1.375rem;
    }

    .chart-container {
        height: 240px;
    }

    .calc-result-amount {
        font-size: 2.25rem;
    }

    .winner-amount {
        font-size: 1.5rem;
    }

    .assumptions-bar {
        flex-direction: column;
        gap: var(--s-xs);
    }

    .assumptions-sep {
        display: none;
    }
}