:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --bg-deep: #020617;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-glow: #60a5fa;
}

html {
    scroll-behavior: smooth;
    min-height: 100%;
    background-color: var(--bg-deep);
}

body {
    margin: 0;
    font-family: 'Open Sans', system-ui, -apple-system;
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 50%, #020617 100%);
    background-attachment: scroll;
    background-size: cover;
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    body {
        background-attachment: fixed;
    }
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.0rem 5%;
    border-bottom: 1px solid #334155;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-sizing: border-box;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: 2px;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.logo-container:hover {
    opacity: 0.8;
}

@keyframes logoFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.logo-container img {
    width: 40px;
    height: 40px;
    aspect-ratio: 1 / 1;
    color: transparent;
    animation: logoFadeIn 0.5s ease-out forwards;
}

@media (min-width: 768px) {
    .logo-container {
        font-size: 3rem;
    }
    .logo-container img {
        width: 80px;
        height: 80px;
    }
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    opacity: 0.7;
}

nav a.nav-active {
    opacity: 1;
    color: var(--accent-glow);
    text-shadow: 0 0 10px rgba(96, 165, 250, 0.4);
}

@media (min-width: 768px) {
    nav a {
        margin-left: 2rem;
        font-size: 1rem;
    }
}

nav a:hover {
    color: var(--accent-glow);
    opacity: 1;
}

.hero {
    text-align: center;
    padding: 3rem 5% 4rem;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}

.hero h1 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(to bottom, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
    .hero {
        padding: 4rem 5% 6rem;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
}

.hero.compact {
    padding: 1.5rem 5% 0.5rem;
}

.hero.compact h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.promises-container {
    margin-top: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.promises-title {
    color: var(--text-main);
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-transform: none;
    letter-spacing: 1px;
}

.promises-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--accent-glow);
    font-weight: 600;
    font-size: 1.0rem;
}

@media (min-width: 768px) {
    .promises-list {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 3rem;
    }
}

.promises-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
}

.promises-list li::before {
    content: "";
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    background-color: var(--accent-glow);
    border-radius: 50%;
}

.section-title {
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    color: var(--text-main);
    text-transform: none;
    letter-spacing: 1px;
}

.guarantee-hero {
    text-align: center;
    padding: 4rem 5%;
    margin: 2rem 0;
}

.guarantee-hero h2 {
    font-size: 2.5rem;
    background: linear-gradient(to bottom, #ffffff 0%, var(--accent-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin: 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto 6rem;
    padding: 0 5%;
}

.secondary-cta {
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.btn {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    padding: 0.875rem 2.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn:hover {
    background: var(--accent-glow);
    box-shadow: 0 0 30px rgba(96, 165, 250, 0.5);
    transform: translateY(-2px);
}

.btn.secondary {
    background: transparent;
    border: 1px solid var(--accent-blue);
    box-shadow: none;
}

.btn.secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-glow);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding: 2rem 5%;
    max-width: 1100px;
    margin: 0 auto 2rem;
}

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

.card {
    background: rgba(30, 41, 59, 0.5);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #334155;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent-glow);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(2, 6, 23, 0.5), 0 0 20px rgba(96, 165, 250, 0.1);
}

.card h3 {
    color: var(--accent-glow);
    margin-top: 0;
    font-size: 1.5rem;
}

.card p {
    font-size: 1.15rem;
    color: var(--text-muted);
}

table {
    width: 100%;
    min-width: 600px;
    max-width: 1000px;
    margin: 2rem auto 0rem;
    border-collapse: collapse;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 12px 12px 0 0;
    overflow: hidden;
    backdrop-filter: blur(4px);
    border: 1px solid #334155;
    font-size: 1.0rem;
}

.table-footer {
    max-width: 1000px;
    margin: 0 auto 4rem;
    padding: 0.75rem 1rem;
    background: rgba(11, 17, 32, 0.5);
    border: 1px solid #334155;
    border-top: none;
    border-radius: 0 0 12px 12px;
    display: flex;
    justify-content: flex-end;
}

.disclaimer-inline {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

th, td {
    padding: 1.25rem;
    padding-left: 2rem;
    text-align: left;
    border-bottom: 1px solid #334155;
    transition: background-color 0.2s ease;
}

tr:hover td {
    background-color: rgba(51, 65, 85, 0.4);
}

th {
    background: #0b1120;
    color: var(--accent-glow);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.cta-section {
    text-align: center;
    padding: 6rem 5%;
    background: linear-gradient(180deg, transparent 0%, #020617 100%);
    border-top: 1px solid #334155;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.cta-section p {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3.5rem;
}

.faq-item {
    margin-bottom: 1rem;
    padding-bottom: 0;
    border-bottom: 1px solid #1e293b;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.5rem 0;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 1.5rem;
    transition: color 0.3s ease;
}

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

.faq-item summary h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-glow);
    transition: transform 0.3s ease;
    order: -1;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item[open] summary h3 {
    color: var(--accent-glow);
}

.faq-item p {
    padding-bottom: 1.5rem;
    margin-top: 0;
    color: var(--text-muted);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

footer {
    text-align: center;
    padding: 2rem;
    background: #020617;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid #1e293b;
}