:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1c1c1c;
    --accent-red: #e30613;
    --accent-red-hover: #c00010;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --section-padding: 6rem 2rem;
    --container-max-width: 1200px;
    --radius-standard: 24px;
    --radius-soft: 40px;
    --radius-sharp: 8px;

    /* Product Specific: Reach */
    --reach-accent: #ff1a1a;
    --reach-bg-glow: rgba(227, 6, 19, 0.1);

    /* Product Specific: Care */
    --care-accent: #ff8c00;
    /* Warmer tone */
    --care-bg-glow: rgba(255, 140, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography Helpers */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--section-padding);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header img {
    height: 32px;
}

#langSelect {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--accent-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(227, 6, 19, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    padding-top: 10rem;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Doctrine Section */
.doctrine {
    background-color: var(--bg-secondary);
}

.section-label {
    color: var(--accent-red);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 1rem;
    text-align: center;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 4rem;
}

.doctrine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.doctrine-card {
    background: var(--bg-tertiary);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.doctrine-card:hover {
    border-color: var(--accent-red);
    transform: translateY(-5px);
}

.doctrine-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.doctrine-card p {
    color: var(--text-secondary);
}

/* Services Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-footer {
    margin-top: auto;
    padding-top: 2rem;
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem 0;
}

.faq-q {
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-q::after {
    content: '+';
    color: var(--accent-red);
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-item.active .faq-q::after {
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, margin-top 0.3s;
    color: var(--text-secondary);
}

.faq-item.active .faq-a {
    max-height: 500px;
    margin-top: 1rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Footer Evolution */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: left;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-col ul a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Page Headers */
.page-header {
    padding-top: 10rem;
    padding-bottom: 4rem;
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
}

.page-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Product Specific Utility Classes */
.reach-theme {
    --accent-red: var(--reach-accent);
}

.care-theme {
    --accent-red: var(--care-accent);
}

.product-pillar {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.reach-card {
    border-radius: var(--radius-sharp);
    background: var(--reach-bg-glow);
    border: 1px solid var(--reach-accent);
}

.care-card {
    border-radius: var(--radius-soft);
    background: var(--care-bg-glow);
    border: 1px solid var(--care-accent);
}

.form-input-max {
    max-width: 500px !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
        /* Mobile menu hidden for simplified exploration */
    }
}

@media (max-width: 768px) {
    .hero-btns {
        flex-direction: column;
        padding: 0 2rem;
    }

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