/* ==========================================================================
   Windstream Landing Page — Hybrid (Dark Hero → Light Body → Dark Footer)
   Font: DM Sans | Accent: Databy violet/blue | Motif: Triangles
   ========================================================================== */

:root {
    /* Brand */
    --color-primary: #3B00D7;
    --color-accent: #2680FF;
    --color-secondary: #6B4FD6;
    --color-highlight: #E341B5;
    --color-success: #10b981;

    /* Dark */
    --color-dark: #0f0a1e;
    --color-dark-surface: #1a1030;
    --color-dark-border: #2d1f4e;
    --color-dark-text-muted: #a89cc5;

    /* Light */
    --color-light-bg: #f8f7fb;
    --color-white: #ffffff;
    --color-light-border: #e5e2ed;
    --color-text-dark: #1a1030;
    --color-text-body: #3d3858;
    --color-text-muted: #6b6488;

    --gradient-brand: linear-gradient(135deg, #006FFF 0%, #3B00D7 50%, #805CFF 100%);

    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1080px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    --border-radius: 10px;
    --border-radius-lg: 16px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--color-dark); }

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-dark);
    background: var(--color-light-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; margin-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; }

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

section { padding: var(--spacing-xxl) 0; position: relative; }

.section-subtitle {
    color: var(--color-text-body);
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xl);
}

.section-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    display: block;
}

/* === CTA Button === */
.cta-button {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    background: var(--color-primary);
    color: white;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.cta-button:hover {
    background: #2d00a8;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 0, 215, 0.25);
    color: white;
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem calc((100% - var(--max-width)) / 2 + var(--spacing-lg));
    background: rgba(15, 10, 30, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

@media (max-width: 1200px) {
    .nav { padding: 0.7rem var(--spacing-lg); }
}

.nav-logo { display: flex; align-items: center; gap: 0.5rem; }
.nav-logo-link { text-decoration: none; display: flex; align-items: center; }
.nav-logo-text { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: -0.02em; }
.nav-logo-by { font-size: 0.75rem; color: var(--color-dark-text-muted); font-weight: 400; }
.nav-logo-img { height: 22px; width: auto; opacity: 0.8; }

/* Lang switcher */
.lang-switcher { display: flex; gap: 0.4rem; margin-left: auto; }

.lang-btn {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 24px; padding: 0;
    background: transparent; border: 2px solid transparent;
    border-radius: 4px; cursor: pointer; opacity: 0.5;
    transition: opacity 0.2s, border-color 0.2s;
}
.lang-btn:hover { opacity: 1; }
.lang-btn.active { opacity: 1; border-color: rgba(255,255,255,0.35); }
.flag-icon { width: 26px; height: 18px; border-radius: 2px; }

/* ==========================================================================
   HERO (Dark, with triangles + before/after)
   ========================================================================== */
.hero {
    background: var(--color-dark);
    color: #ffffff;
    min-height: 100vh;
    padding-top: 70px;
    padding-bottom: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* --- Triangles (Databy brand motif) --- */
.hero-triangles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.tri {
    position: absolute;
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.tri--1 {
    width: 420px; height: 420px;
    top: -80px; right: -60px;
    background: linear-gradient(180deg, rgba(59, 0, 215, 0.25) 0%, rgba(0, 111, 255, 0.08) 100%);
    transform: rotate(-15deg);
}

.tri--2 {
    width: 260px; height: 260px;
    top: 30%; right: 8%;
    background: linear-gradient(180deg, rgba(227, 65, 181, 0.18) 0%, rgba(59, 0, 215, 0.06) 100%);
    transform: rotate(25deg);
}

.tri--3 {
    width: 180px; height: 180px;
    bottom: 15%; left: -40px;
    background: linear-gradient(180deg, rgba(0, 111, 255, 0.15) 0%, transparent 100%);
    transform: rotate(-35deg);
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-text {
    max-width: 100%;
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    font-size: 3.8rem;
    line-height: 1.06;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero-tagline {
    font-size: 1.35rem;
    color: var(--color-dark-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    max-width: 700px;
}

/* German has longer words — smaller h1 on mobile */
:lang(de) .hero h1 { font-size: 2.8rem; line-height: 1.1; }
:lang(de) .hero-tagline { font-size: 1.1rem; }
@media (min-width: 480px) {
    :lang(de) .hero h1 { font-size: 3.2rem; }
    :lang(de) .hero-tagline { font-size: 1.2rem; }
}
@media (min-width: 640px) {
    :lang(de) .hero h1 { font-size: 3.8rem; line-height: 1.06; }
    :lang(de) .hero-tagline { font-size: 1.35rem; }
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero .cta-button {
    background: #ffffff;
    color: var(--color-primary);
}

.hero .cta-button:hover {
    background: #f0ecff;
    box-shadow: 0 4px 20px rgba(255,255,255,0.12);
    color: var(--color-primary);
}

.hero-claim {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.hero-claim em {
    font-style: italic;
    color: var(--color-secondary);
}

/* --- Before / After cards --- */
.hero-comparison {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
}

.comparison-card {
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}
@media (min-width: 768px) {
    .comparison-card { padding: var(--spacing-xl) var(--spacing-xxl); }
}

.comparison-card--before {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.comparison-card--after {
    background: rgba(0, 111, 255, 0.1);
    border: 2px solid rgba(0, 111, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 111, 255, 0.08);
}

.comparison-label {
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--spacing-md);
}

.comparison-card--before .comparison-label { color: var(--color-dark-text-muted); }
.comparison-card--after .comparison-label { color: #5aa3ff; }

.comparison-card ul {
    list-style: none;
    padding: 0;
}

.comparison-card li {
    padding: 0.5rem 0;
    padding-left: 1.8rem;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.5;
}
@media (min-width: 768px) {
    .comparison-card li { font-size: 1.15rem; line-height: 1.55; }
}

.comparison-card--before li {
    color: var(--color-dark-text-muted);
}

.comparison-card--before li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: 700;
    font-size: 1.2rem;
}

.comparison-card--after li {
    color: #e8e8f8;
}

.comparison-card--after li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
    font-size: 1.1rem;
}

/* ==========================================================================
   TRUSTED BY
   ========================================================================== */
.trusted-by {
    background: var(--color-light-bg);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-light-border);
}
.trusted-by__label {
    text-align: center; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--color-text-muted); margin-bottom: var(--spacing-md);
}
.trusted-by__logos {
    display: flex; flex-wrap: wrap; justify-content: center;
    align-items: center; gap: 1.5rem 2rem;
}
.trusted-by__logo {
    font-size: 1.05rem; font-weight: 600; color: var(--color-text-muted);
    opacity: 0.5; letter-spacing: 0.02em;
}
.trusted-by__more {
    font-size: 0.85rem; font-style: italic; color: var(--color-text-muted);
    opacity: 0.4;
}

/* ==========================================================================
   WHY IT MATTERS
   ========================================================================== */
.why-it-matters {
    background: linear-gradient(180deg, var(--color-dark) 0%, #1a1030 100%);
    padding: var(--spacing-sm) 0 var(--spacing-lg);
    margin-top: -1px;
}
.why-it-matters__content {
    max-width: 800px; margin: 0 auto; text-align: center;
}
.why-it-matters__content h2 {
    font-size: 2rem; font-weight: 700; color: #fff;
    margin-bottom: var(--spacing-md); letter-spacing: -0.01em;
}
.why-it-matters__content p {
    font-size: 1.05rem; color: var(--color-dark-text-muted); line-height: 1.6;
    margin-bottom: var(--spacing-lg); max-width: 650px; margin-left: auto; margin-right: auto;
}
.why-it-matters__stats-label {
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--color-success);
    text-align: center; margin-bottom: var(--spacing-sm);
}
.why-it-matters__stats {
    display: flex; justify-content: center; align-items: center;
    gap: 0;
}
.why-stat {
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    padding: 0 var(--spacing-xl);
}
.why-stat:first-child {
    border-right: 1px solid rgba(255,255,255,0.1);
}
.why-stat__number {
    font-size: 3rem; font-weight: 700; color: #fff; line-height: 1;
}
.why-stat__label {
    font-size: 0.72rem; color: var(--color-dark-text-muted); max-width: 180px;
    text-align: center; line-height: 1.35;
}
@media (max-width: 480px) {
    .why-stat__number { font-size: 2.2rem; }
    .why-stat { padding: 0 var(--spacing-md); }
}

/* ==========================================================================
   FEATURES (Light)
   ========================================================================== */
.features {
    background: var(--color-light-bg);
}

.features-intro {
    font-size: 1.4rem;
    color: var(--color-text-body);
    max-width: 640px;
    margin-bottom: var(--spacing-xxl);
    line-height: 1.55;
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.advantage-card {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-light-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.advantage-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 0, 215, 0.06);
}

.advantage-number {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-secondary);
    display: block;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
}

.advantage-card h3 {
    color: var(--color-text-dark);
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.advantage-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ==========================================================================
   PRICING (White)
   ========================================================================== */
.pricing-section { background: var(--color-white); position: relative; z-index: 1; }
.pricing-roi {
    text-align: center; font-size: 0.82rem; color: var(--color-text-muted);
    font-style: italic; max-width: 600px; margin: var(--spacing-md) auto 0;
    line-height: 1.5;
}
.pricing-section h2 { text-align: center; }
.pricing-section .section-subtitle { text-align: center; }

/* --- Base Package --- */
.base-package {
    display: grid; grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    background: var(--color-light-bg);
    border: 2px solid var(--color-success);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.base-package__included h3 {
    font-size: 1.1rem; color: var(--color-text-dark); margin-bottom: var(--spacing-sm);
}

.base-package__list { list-style: none; padding: 0; }
.base-package__list li {
    padding: 0.35rem 0; padding-left: 1.4rem;
    position: relative; color: var(--color-text-body); font-size: 0.95rem;
}
.base-package__list li::before {
    content: '✓'; position: absolute; left: 0;
    color: var(--color-success); font-weight: 700; font-size: 0.85rem;
}

.base-package__cost { display: flex; flex-direction: column; gap: 0.2rem; }

.base-package__label {
    font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--color-text-muted); margin-top: var(--spacing-sm);
}
.base-package__label:first-child { margin-top: 0; }

.base-package__price { font-size: 1.8rem; font-weight: 700; color: var(--color-text-dark); }
.base-package__price--free { color: var(--color-success); }
.base-package__price span { font-size: 0.9rem; font-weight: 400; color: var(--color-text-muted); }

.base-package__services { list-style: none; padding: 0; margin-top: var(--spacing-xs); }
.base-package__services li {
    padding: 0.25rem 0; padding-left: 1.2rem;
    position: relative; color: var(--color-text-muted); font-size: 0.85rem;
}
.base-package__services li::before {
    content: ''; position: absolute; left: 0; top: 0.58rem;
    width: 5px; height: 5px; border-radius: 50%; background: var(--color-secondary);
}

/* --- Extras (optional tool migration) --- */
.extras-section { margin-bottom: var(--spacing-xxl); }
/* === Calculator === */
.calculator {
    background: var(--color-light-bg);
    border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

.calculator > h3 {
    text-align: center; font-size: 1.15rem; font-weight: 600;
    margin-bottom: var(--spacing-xl); color: var(--color-text-muted);
}

.calculator-body {
    display: grid; grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.calculator-inputs {
    display: flex; flex-direction: column; gap: var(--spacing-lg);
}

.input-group > label {
    font-weight: 600; font-size: 0.88rem;
    color: var(--color-text-dark); margin-bottom: var(--spacing-sm); display: block;
}

.input-hint { font-weight: 400; color: var(--color-text-muted); font-size: 0.82rem; margin-top: var(--spacing-xs); }

.tool-counter {
    display: flex; align-items: center; gap: var(--spacing-md); margin-top: var(--spacing-sm);
}

.counter-btn {
    width: 40px; height: 40px;
    border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius);
    background: var(--color-white); color: var(--color-text-dark);
    font-size: 1.3rem; font-family: var(--font-family);
    cursor: pointer; transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.counter-btn:hover { border-color: var(--color-secondary); }

.counter-value {
    font-size: 1.8rem; font-weight: 700;
    color: var(--color-text-dark); min-width: 2.2rem; text-align: center;
}

.tier-group {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem; margin-top: var(--spacing-sm);
}

.tier-btn {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: var(--spacing-sm) var(--spacing-xs);
    background: var(--color-white); border: 2px solid var(--color-light-border);
    border-radius: var(--border-radius); cursor: pointer;
    transition: all 0.15s; text-align: center; font-family: var(--font-family);
}
.tier-btn strong { font-size: 0.95rem; color: var(--color-text-dark); }
.tier-btn span { font-size: 0.75rem; color: var(--color-text-muted); }
.tier-btn:hover { border-color: var(--color-secondary); }
.tier-btn.active { border-color: var(--color-primary); background: rgba(59, 0, 215, 0.04); }
.tier-btn.active strong { color: var(--color-primary); }

.toggle-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-light-border);
}
.toggle-row:last-child { border-bottom: none; }

.toggle-info { display: flex; flex-direction: column; gap: 1px; }
.toggle-name {
    font-weight: 500; font-size: 0.95rem; color: var(--color-text-dark);
    display: flex; align-items: center; flex-wrap: wrap; gap: 0.3rem;
}
.toggle-desc { font-size: 0.8rem; color: var(--color-text-muted); }

.toggle { position: relative; display: inline-block; width: 48px; height: 26px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; cursor: pointer; inset: 0;
    background: #d8d4e0; transition: 0.3s; border-radius: 26px;
}
.toggle-slider::before {
    position: absolute; content: ""; height: 20px; width: 20px;
    left: 3px; bottom: 3px; background: #fff;
    transition: 0.3s; border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.toggle input:checked + .toggle-slider { background: var(--color-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); }

.calculator-result {
    background: var(--color-white); border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-xl);
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: var(--spacing-md); text-align: center;
}

.result-block { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-xs); }
.result-label {
    font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.12em; color: var(--color-text-muted);
}
.result-amount { font-size: 2.2rem; font-weight: 700; color: var(--color-text-dark); line-height: 1.1; }
.result-detail { font-size: 0.8rem; color: var(--color-text-muted); }
.price-addon { color: var(--color-success); font-weight: 500; }
.result-divider { width: 40px; height: 2px; background: var(--gradient-brand); border-radius: 1px; }

.result-proof {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.6rem 0.75rem; width: 100%;
    background: rgba(16, 185, 129, 0.06); border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius);
}
.result-proof__number {
    font-size: 1.3rem; font-weight: 700; color: var(--color-success);
    white-space: nowrap;
}
.result-proof__text {
    display: flex; flex-direction: column; gap: 0.1rem;
    font-size: 0.82rem; color: var(--color-text-body); line-height: 1.3;
}
.result-proof__source {
    font-size: 0.7rem; color: var(--color-text-muted);
}

.calculator-cta { margin-top: var(--spacing-sm); width: 100%; text-align: center; }
.calculator-email {
    margin-top: 0.4rem; font-size: 0.78rem; color: var(--color-text-muted); text-align: center;
}
.calculator-email a { color: var(--color-accent); }

/* --- Mobile sticky price bar --- */
.sticky-price {
    display: none;
}
@media (max-width: 768px) {
    .sticky-price {
        position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
        display: flex; align-items: center; justify-content: space-between;
        padding: 0.6rem 1rem;
        background: var(--color-dark);
        border-top: 1px solid var(--color-dark-border);
        box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
    }
    .sticky-price.hidden { display: none; }
    .sticky-price__info { display: flex; align-items: baseline; gap: 0.4rem; }
    .sticky-price__label { font-size: 0.7rem; color: var(--color-dark-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
    .sticky-price__amount { font-size: 1.2rem; font-weight: 700; color: #fff; }
    .sticky-price__cta {
        font-size: 0.82rem; font-weight: 600; padding: 0.45rem 1rem;
        background: var(--color-primary); color: #fff; border-radius: var(--border-radius);
        text-decoration: none; white-space: nowrap;
    }
}

.result-quote {
    background: rgba(59, 0, 215, 0.04); border: 1px solid rgba(59, 0, 215, 0.1);
    border-radius: var(--border-radius); padding: var(--spacing-md);
    text-align: center; width: 100%;
}
.result-quote strong { color: var(--color-primary); font-size: 0.95rem; }
.result-quote p { color: var(--color-text-muted); font-size: 0.85rem; margin-top: var(--spacing-xs); }

/* --- Contact message (margin tracking) --- */
.result-contact {
    background: rgba(227, 65, 181, 0.06); border: 1px solid rgba(227, 65, 181, 0.15);
    border-radius: var(--border-radius); padding: var(--spacing-md);
    text-align: center; width: 100%;
}
.result-contact p { color: var(--color-text-body); font-size: 0.85rem; margin: 0; }
.result-contact--warning {
    background: rgba(245, 180, 50, 0.08); border-color: rgba(245, 180, 50, 0.25);
}

/* --- Tool checkboxes --- */
.tool-checkboxes {
    display: flex; flex-direction: column; gap: 0.4rem; margin-top: var(--spacing-sm);
}

.tool-checkbox {
    display: flex; align-items: center; gap: var(--spacing-sm);
    padding: 0.55rem var(--spacing-sm);
    background: var(--color-white); border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius); cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.tool-checkbox:hover { border-color: var(--color-secondary); }

.tool-checkbox input { display: none; }

.tool-checkbox__box {
    width: 20px; height: 20px; flex-shrink: 0;
    border: 2px solid var(--color-light-border); border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; position: relative;
}
.tool-checkbox__box::after {
    content: ''; display: block; width: 10px; height: 6px;
    border-left: 2px solid #fff; border-bottom: 2px solid #fff;
    transform: rotate(-45deg) scale(0); transition: transform 0.15s;
    position: relative; top: -1px;
}

.tool-checkbox input:checked ~ .tool-checkbox__box {
    background: var(--color-primary); border-color: var(--color-primary);
}
.tool-checkbox input:checked ~ .tool-checkbox__box::after {
    transform: rotate(-45deg) scale(1);
}
.tool-checkbox input:checked ~ .tool-checkbox__name {
    color: var(--color-text-dark); font-weight: 500;
}

.tool-checkbox__icon {
    width: 16px; height: 16px; flex-shrink: 0;
    filter: brightness(0) saturate(0) opacity(0.5);
}
.tool-checkbox__letter {
    width: 16px; height: 16px; flex-shrink: 0; border-radius: 3px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.55rem; font-weight: 700; color: #fff; line-height: 1;
    opacity: 0.7;
}
.tool-checkbox__name { font-size: 0.92rem; color: var(--color-text-body); }

.tool-checkbox--highlighted {
    border-color: var(--color-secondary); background: rgba(59, 0, 215, 0.02);
}

/* --- Recommended badge --- */
.recommended-badge {
    font-size: 0.6rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
    background: var(--color-success); color: #fff;
    padding: 0.15rem 0.45rem; border-radius: 99px;
    white-space: nowrap;
}
.recommended-badge--subtle {
    background: var(--color-accent);
}

.toggle-note {
    display: block; font-size: 0.72rem; color: var(--color-text-muted);
    font-style: italic; margin-top: 0.25rem; line-height: 1.4;
}
.dep-serving-price {
    display: inline-block; font-size: 0.7rem; font-weight: 600;
    color: var(--color-primary); background: rgba(59, 0, 215, 0.08);
    padding: 0.15rem 0.5rem; border-radius: 99px; margin-top: 0.35rem;
}
.toggle-note__link {
    color: var(--color-accent); text-decoration: underline;
    font-style: italic;
}
.toggle-note__link:hover { color: var(--color-primary); }

/* --- Advanced collapsible section --- */
.advanced-section {
    margin-top: 0.5rem; border: 1px dashed var(--color-light-border);
    border-radius: var(--border-radius); overflow: visible;
}
.advanced-toggle {
    padding: 0.6rem 0.75rem; cursor: pointer; font-size: 0.82rem;
    color: var(--color-text-muted); font-weight: 500;
    list-style: none; display: flex; align-items: center; gap: 0.4rem;
}
.advanced-toggle::-webkit-details-marker { display: none; }
.advanced-toggle::before {
    content: '\25B6'; font-size: 0.6rem; transition: transform 0.2s;
}
.advanced-section[open] .advanced-toggle::before {
    transform: rotate(90deg);
}
.advanced-section[open] .advanced-toggle {
    border-bottom: 1px solid var(--color-light-border);
}
.advanced-section .toggle-row {
    padding-left: 0.75rem; padding-right: 0.75rem;
}

/* --- Info tooltip --- */
.info-tooltip {
    position: relative; display: inline-flex; cursor: help; flex-shrink: 0;
}
.info-tooltip__icon {
    width: 16px; height: 16px; border-radius: 50%; font-size: 0.65rem; font-weight: 700;
    font-style: italic; display: inline-flex; align-items: center; justify-content: center;
    border: 1.5px solid var(--color-text-muted); color: var(--color-text-muted);
    transition: border-color 0.15s, color 0.15s;
}
.info-tooltip:hover .info-tooltip__icon,
.info-tooltip:focus .info-tooltip__icon {
    border-color: var(--color-primary); color: var(--color-primary);
}
.info-tooltip__content {
    display: none; position: absolute; bottom: calc(100% + 8px); left: 50%;
    transform: translateX(-50%); width: 280px; padding: 0.75rem;
    background: var(--color-dark); color: #fff; font-size: 0.8rem; line-height: 1.45;
    font-weight: 400; font-style: normal;
    border-radius: var(--border-radius); box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    z-index: 1001;
}
@media (max-width: 640px) {
    .info-tooltip__content {
        position: fixed; top: auto; bottom: 4rem; left: 1rem; right: 1rem;
        width: auto; transform: none; z-index: 1100;
    }
}
.info-tooltip__content::after {
    content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    border: 6px solid transparent; border-top-color: var(--color-dark);
}
@media (max-width: 640px) {
    .info-tooltip__content::after { display: none; }
}
.info-tooltip:hover .info-tooltip__content,
.info-tooltip:focus .info-tooltip__content {
    display: block;
}

/* --- Markets stepper --- */
.markets-row {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: var(--spacing-sm); padding: 0.55rem var(--spacing-sm);
    background: var(--color-white); border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius);
}
.markets-info { display: flex; flex-direction: column; gap: 0.15rem; }
.markets-label { font-size: 0.92rem; color: var(--color-text-body); }
.markets-desc { font-size: 0.8rem; color: var(--color-text-muted); }

.markets-stepper { display: flex; align-items: center; gap: 0.5rem; }
.stepper-btn {
    width: 32px; height: 32px; border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius); background: var(--color-white);
    font-size: 1.1rem; cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: border-color 0.15s;
    color: var(--color-text-body); line-height: 1;
}
.stepper-btn:hover { border-color: var(--color-secondary); }
.stepper-value {
    min-width: 28px; text-align: center; font-size: 1rem;
    font-weight: 600; color: var(--color-text-dark);
}

/* --- Traffic tier cards --- */
.tier-cards {
    display: grid; grid-template-columns: 1fr;
    gap: 0.75rem; margin-top: var(--spacing-sm);
}

.tier-card {
    display: flex; flex-direction: column;
    padding: 1rem;
    background: var(--color-white); border: 2px solid var(--color-light-border);
    border-radius: var(--border-radius-lg);
    transition: border-color 0.2s;
}
.tier-card:has(input:checked) {
    border-color: var(--color-primary);
}

.tier-card__badge {
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--color-text-muted); margin-bottom: 0.6rem; text-align: center;
}
.tier-card:has(input:checked) .tier-card__badge {
    color: var(--color-primary);
}

.tier-card__options {
    display: flex; flex-direction: column; gap: 0.35rem;
}

.tier-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.5rem 0.6rem; border-radius: var(--border-radius);
    cursor: pointer; transition: background 0.15s;
    border: 1px solid transparent;
}
.tier-option:hover { background: rgba(59, 0, 215, 0.03); }
.tier-option input { display: none; }

.tier-option:has(input:checked) {
    background: rgba(59, 0, 215, 0.05);
    border-color: var(--color-primary);
}

.tier-option__label {
    font-size: 0.88rem; color: var(--color-text-body);
}
.tier-option:has(input:checked) .tier-option__label {
    color: var(--color-text-dark); font-weight: 500;
}
.tier-option__price {
    font-size: 0.95rem; font-weight: 600; color: var(--color-text-dark);
    white-space: nowrap; margin-left: 0.5rem;
}
.tier-option--custom .tier-option__price {
    white-space: normal; text-align: right;
}

.tier-card__fit {
    font-size: 0.72rem; color: var(--color-text-muted); text-align: center;
    margin-top: 0.5rem; padding-top: 0.5rem;
    border-top: 1px solid var(--color-light-border);
}

.tier-hint-box {
    margin-top: 0.75rem; padding: 0.75rem;
    background: var(--color-light-bg); border-radius: var(--border-radius);
    border: 1px solid var(--color-light-border);
}
.tier-hint {
    font-size: 0.8rem; color: var(--color-text-muted);
    display: flex; align-items: center; gap: 0.2rem;
    margin: 0;
}
.tier-hint-list {
    list-style: none; padding: 0; margin: 0.4rem 0;
    font-size: 0.78rem; color: var(--color-text-body);
}
.tier-hint-list li { padding: 0.15rem 0; }
.tier-hint-list li::before { content: ''; }

@media (max-width: 640px) {
    .calculator { padding: var(--spacing-md); }

    .toggle-row { gap: var(--spacing-sm); }
    .toggle-name { font-size: 0.88rem; }
    .recommended-badge { font-size: 0.55rem; padding: 0.1rem 0.35rem; }

    .calculator-cta { padding: 0.7rem 1rem; font-size: 0.9rem; }

    .markets-row { flex-wrap: wrap; gap: 0.5rem; }
    .markets-info { width: 100%; }

    .standalone-product { padding: var(--spacing-lg); gap: var(--spacing-md); }
    .standalone-product__content h3 { font-size: 1.1rem; }
    .standalone-product__desc { font-size: 0.88rem; }
}

/* --- Standalone services section --- */
.standalone-section {
    margin-top: var(--spacing-xxl);
}
.standalone-section h2 { margin-bottom: var(--spacing-xs); }
.standalone-grid {
    display: grid; grid-template-columns: 1fr;
    gap: var(--spacing-lg); margin-top: var(--spacing-lg);
}
@media (min-width: 768px) {
    .standalone-grid { grid-template-columns: repeat(2, 1fr); }
}

.standalone-product {
    background: var(--color-light-bg); border: 1px solid var(--color-light-border);
    border-radius: var(--border-radius-lg); padding: var(--spacing-xl);
    display: flex; flex-direction: column; gap: var(--spacing-lg);
}

.standalone-product__content h3 {
    font-size: 1.3rem; margin-bottom: var(--spacing-xs);
}
.standalone-product__desc {
    color: var(--color-text-body); font-size: 0.95rem; line-height: 1.55;
}

.standalone-product__pricing {
    display: flex; flex-direction: column; gap: var(--spacing-sm);
}

.standalone-product__row {
    display: flex; justify-content: space-between; align-items: baseline;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-light-border);
}
.standalone-product__row:last-child { border-bottom: none; }

.standalone-product__label {
    font-size: 0.85rem; color: var(--color-text-muted); font-weight: 500;
}
.standalone-product__value {
    font-size: 1.3rem; font-weight: 700; color: var(--color-text-dark);
}

.cta-button--secondary {
    background: transparent; color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.cta-button--secondary:hover {
    background: var(--color-primary); color: #fff;
}
.standalone-product .cta-button--secondary {
    align-self: flex-start;
}

/* ==========================================================================
   REQUIREMENTS (Light alt)
   ========================================================================== */
.requirements-section { background: var(--color-light-bg); }
.requirements-section h2 { text-align: center; margin-bottom: var(--spacing-xl); }

.requirements-list { max-width: 560px; margin: 0 auto; }

.requirement-item {
    display: flex; gap: var(--spacing-md); align-items: flex-start;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-light-border);
}
.requirement-item:last-child { border-bottom: 1px solid var(--color-light-border); }

.requirement-item--optional {
    position: relative;
}
.requirement-badge {
    display: inline-block; vertical-align: middle;
    font-size: 0.6rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
    background: var(--color-secondary); color: #fff;
    padding: 0.15rem 0.45rem; border-radius: 99px;
    margin-left: 0.4rem; position: relative; top: -1px;
}

.requirement-number {
    width: 36px; height: 36px;
    background: rgba(59, 0, 215, 0.06); color: var(--color-primary);
    font-weight: 700; font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; border-radius: 50%;
}

.requirement-content h3 { margin-bottom: 0.2rem; font-weight: 600; font-size: 1.1rem; }
.requirement-content p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ==========================================================================
   CONTACT (Dark)
   ========================================================================== */
.contact-section {
    background: var(--color-dark);
    color: #ffffff;
}

.contact-section h2 { text-align: center; color: #ffffff; }
.contact-section .section-subtitle { text-align: center; color: var(--color-dark-text-muted); }

.contact-form { max-width: 460px; margin: 0 auto; }
.form-group { margin-bottom: var(--spacing-md); }

.form-group label {
    display: block; font-weight: 500; margin-bottom: 0.4rem;
    font-size: 0.9rem; color: #ffffff;
}
.required { color: var(--color-highlight); }

.form-group input[type="email"],
.form-group input[type="text"] {
    width: 100%; padding: 0.85rem var(--spacing-sm);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family); font-size: 0.95rem;
    background: var(--color-dark-surface); color: #ffffff;
    transition: border-color 0.2s;
}
.form-group input::placeholder { color: var(--color-dark-text-muted); }
.form-group input:focus { outline: none; border-color: var(--color-secondary); }

.config-summary {
    background: var(--color-dark-surface); padding: var(--spacing-sm);
    border-radius: var(--border-radius); font-size: 0.88rem;
    color: var(--color-dark-text-muted); border: 1px solid var(--color-dark-border);
}
.config-summary p { margin: 0.3rem 0; }
.config-summary strong { color: #ffffff; }
.config-price { font-weight: 600; color: var(--color-accent) !important; }

.contact-form .cta-button {
    width: 100%; margin-top: var(--spacing-sm);
    background: #ffffff; color: var(--color-primary);
}
.contact-form .cta-button:hover { background: #f0ecff; color: var(--color-primary); }

.form-success { max-width: 460px; margin: 0 auto; text-align: center; padding: var(--spacing-xl); }
.success-icon {
    width: 64px; height: 64px; background: var(--color-success);
    color: white; font-size: 2rem; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto var(--spacing-md);
}
.form-success h3 { margin-bottom: var(--spacing-xs); color: #fff; font-size: 1.4rem; }
.form-success p { color: var(--color-dark-text-muted); font-size: 1rem; }

.link-button {
    background: none; border: none; color: var(--color-accent);
    font-family: var(--font-family); font-size: 0.9rem;
    cursor: pointer; text-decoration: underline;
    margin-top: var(--spacing-sm); padding: 0;
}

/* === Footer === */
.footer {
    background: var(--color-dark);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-dark-border);
}

.footer-content {
    display: flex; flex-direction: column;
    align-items: center; gap: 0.6rem;
}
.footer-logo-img { height: 24px; width: auto; opacity: 0.7; }
.footer p { color: var(--color-dark-text-muted); font-size: 0.82rem; }
.footer-email a { color: var(--color-dark-text-muted); }
.footer-email a:hover { color: var(--color-accent); }

/* === Misc === */
.recaptcha-disclaimer {
    font-size: 0.68rem; color: var(--color-dark-text-muted);
    margin-top: var(--spacing-sm); text-align: center;
}
.recaptcha-disclaimer a { color: var(--color-dark-text-muted); text-decoration: underline; }
.grecaptcha-badge { visibility: hidden !important; }
.hidden { display: none !important; }
.section-bar, .footer-bar { display: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width: 768px) {
    h2 { font-size: 2.5rem; }
    .hero h1 { font-size: 3.6rem; }

    .hero-comparison { grid-template-columns: 1fr 1fr; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .base-package { grid-template-columns: 1fr 1fr; }
    .extras-comparison { grid-template-columns: 1fr 1fr; }

    .tool-checkboxes { display: grid; grid-template-columns: 1fr 1fr; }
}

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

.faq-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-light-border);
}
.faq-more { border-bottom: 1px solid var(--color-light-border); }
.faq-more__toggle {
    padding: 1rem 0; cursor: pointer; font-size: 0.95rem;
    font-weight: 500; color: var(--color-text-muted); list-style: none;
}
.faq-more__toggle:hover { color: var(--color-text-dark); }
.faq-more__toggle::-webkit-details-marker { display: none; }
.faq-more__toggle::before { content: '+ '; }
.faq-more[open] .faq-more__toggle::before { content: '\2212  '; }

.faq-item:first-child {
    border-top: 1px solid var(--color-light-border);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-dark);
    cursor: pointer;
    list-style: none;
    transition: color 0.2s;
    line-height: 1.4;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

/* Chevron indicator */
.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item summary:hover {
    color: var(--color-primary);
}

.faq-item p {
    padding: 0 0 var(--spacing-md) 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

@media (min-width: 1024px) {
    .hero h1 { font-size: 4.5rem; }
    .hero-tagline { font-size: 1.4rem; }
    .features-intro { font-size: 1.5rem; }
    .calculator-body {
        grid-template-columns: 1fr 320px;
        align-items: start;
    }
    .calculator-result { position: sticky; top: 90px; }
}

@media (min-width: 1200px) {
    .tier-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1400px) {
    :root { --max-width: 1200px; }
    .nav-logo-img { height: 28px; }
    .nav-logo-text { font-size: 1.4rem; }
    .hero h1 { font-size: 5.5rem; }
    .hero-tagline { font-size: 1.6rem; max-width: 600px; }
    .comparison-card li { font-size: 1.15rem; }
    .comparison-label { font-size: 0.9rem; }
    h2 { font-size: 3rem; }
    .features-intro { font-size: 1.7rem; }
    .advantage-card h3 { font-size: 1.5rem; }
    .advantage-desc { font-size: 1.05rem; }
    .base-package__price { font-size: 2.2rem; }
    .extras-card__price { font-size: 2.4rem; }
}

@media (min-width: 1800px) {
    :root { --max-width: 1400px; }
    .nav-logo-img { height: 32px; }
    .nav-logo-text { font-size: 1.5rem; }
    .hero-claim { font-size: 1.8rem; }
    .comparison-card li { font-size: 1.3rem; }
    .comparison-label { font-size: 1.05rem; }
    body { font-size: 18px; }
    .hero h1 { font-size: 6.5rem; }
    .hero-tagline { font-size: 1.8rem; max-width: 700px; }
    .comparison-card { padding: var(--spacing-xl) var(--spacing-xxl); }
    .comparison-card li { font-size: 1.3rem; }
    .comparison-label { font-size: 1rem; }
    h2 { font-size: 3.5rem; }
    .features-intro { font-size: 2rem; }
    .advantage-card h3 { font-size: 1.7rem; }
    .advantage-desc { font-size: 1.15rem; }
    .cta-button { padding: 1.1rem 3rem; font-size: 1.15rem; }
    .base-package__price { font-size: 2.5rem; }
    .extras-card__price { font-size: 2.8rem; }
    .result-amount { font-size: 3rem; }
}