/* ============================================
   Beijing Xinqi Technology Co., Ltd.
   Main Stylesheet - Cadillac-inspired Luxury
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #c9a961;
    --color-primary-light: #d4b978;
    --color-primary-dark: #a68b4b;
    --color-black: #0a0a0a;
    --color-black-light: #1a1a1a;
    --color-black-lighter: #2a2a2a;
    --color-white: #ffffff;
    --color-gray: #888888;
    --color-gray-light: #b0b0b0;
    --color-gray-dark: #555555;
    
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI Light', Tahoma, Geneva, Verdana, sans-serif;
    
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.3);
    --shadow-md: 0 5px 25px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 50px rgba(0,0,0,0.5);
    
    --container-max: 1400px;
    --spacing-unit: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 2);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: 0.05em;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    text-transform: uppercase;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-transform: uppercase;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
    font-size: 1.1rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-unit);
}

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.section-title h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
}

.section-title .subtitle {
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.9rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.section-title p {
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: calc(var(--spacing-unit) * 1.5) 0;
    transition: var(--transition-medium);
    background: transparent;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: calc(var(--spacing-unit) * 1) 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo svg {
    width: 50px;
    height: 50px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-white);
    letter-spacing: 0.1em;
}

.logo-text span {
    display: block;
    font-size: 0.7rem;
    color: var(--color-primary);
    letter-spacing: 0.2em;
    margin-top: 2px;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.nav-item a {
    color: var(--color-white);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    padding: 10px 0;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-item a:hover::after,
.nav-item a.active::after {
    width: 100%;
}

.nav-item a:hover {
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 30px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-black-light) 50%, var(--color-black) 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.05) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a961' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 30px;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.hero h1 {
    margin-bottom: calc(var(--spacing-unit) * 2);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--color-gray-light);
    margin-bottom: calc(var(--spacing-unit) * 3);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: calc(var(--spacing-unit) * 1.5);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-gray);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-indicator svg {
    width: 30px;
    height: 30px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 45px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-black);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: calc(var(--spacing-unit) * 8) 0;
    position: relative;
}

.section-dark {
    background: var(--color-black-light);
}

.section-pattern {
    position: relative;
}

.section-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23c9a961' fill-opacity='1' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 4);
}

.service-card {
    background: var(--color-black-light);
    padding: calc(var(--spacing-unit) * 3);
    border: 1px solid var(--color-black-lighter);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-medium);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-primary);
}

.service-card h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
    font-size: 1.5rem;
}

.service-card p {
    color: var(--color-gray-light);
    line-height: 1.8;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 4);
}

.feature-item {
    text-align: center;
    padding: calc(var(--spacing-unit) * 2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto calc(var(--spacing-unit) * 1.5);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    transition: var(--transition-medium);
}

.feature-item:hover .feature-icon {
    background: var(--color-primary);
    transform: scale(1.1);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-primary);
    transition: var(--transition-fast);
}

.feature-item:hover .feature-icon svg {
    fill: var(--color-black);
}

.feature-item h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
    align-items: center;
}

.about-content h2 {
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.about-content p {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 3);
}

.stat-item {
    text-align: center;
    padding: calc(var(--spacing-unit) * 1.5);
    border: 1px solid var(--color-black-lighter);
    background: var(--color-black);
}

.stat-number {
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-primary);
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 10px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
}

.contact-info {
    padding: calc(var(--spacing-unit) * 3);
    background: var(--color-black);
    border: 1px solid var(--color-black-lighter);
}

.contact-info h3 {
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-item p {
    margin: 0;
    color: var(--color-gray-light);
}

.contact-item strong {
    color: var(--color-white);
}

.contact-form {
    background: var(--color-black-light);
    padding: calc(var(--spacing-unit) * 3);
    border: 1px solid var(--color-black-lighter);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.form-group label {
    display: block;
    color: var(--color-white);
    margin-bottom: 10px;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--color-black);
    border: 1px solid var(--color-black-lighter);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-black);
    padding: calc(var(--spacing-unit) * 5) 0 calc(var(--spacing-unit) * 2);
    border-top: 1px solid var(--color-black-lighter);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: calc(var(--spacing-unit) * 3);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-about .logo {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-about p {
    color: var(--color-gray-light);
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    font-size: 1.1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: calc(var(--spacing-unit) * 2);
    border-top: 1px solid var(--color-black-lighter);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-unit);
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.footer-legal a {
    color: var(--color-gray);
    font-size: 0.9rem;
}

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

/* ============================================
   NEWS SECTION
   ============================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 4);
}

.news-card {
    background: var(--color-black-light);
    border: 1px solid var(--color-black-lighter);
    overflow: hidden;
    transition: var(--transition-medium);
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.news-image {
    width: 100%;
    height: 220px;
    background: var(--color-black-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.news-image svg {
    width: 80px;
    height: 80px;
    fill: var(--color-gray-dark);
}

.news-content {
    padding: calc(var(--spacing-unit) * 2);
}

.news-date {
    color: var(--color-primary);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.news-card h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
    font-size: 1.3rem;
}

.news-card p {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ============================================
   CULTURE SECTION
   ============================================ */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 4);
}

.culture-card {
    background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
    padding: calc(var(--spacing-unit) * 3);
    border: 1px solid var(--color-black-lighter);
    text-align: center;
    transition: var(--transition-medium);
}

.culture-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.culture-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto calc(var(--spacing-unit) * 2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-primary);
}

.culture-card h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
}

.culture-card p {
    color: var(--color-gray-light);
}

/* ============================================
   MOBILE APP SECTION
   ============================================ */
.app-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
    align-items: center;
}

.app-content h2 {
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.app-features {
    margin-top: calc(var(--spacing-unit) * 3);
}

.app-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.app-feature-item svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.app-feature-item p {
    margin: 0;
    color: var(--color-gray-light);
}

.app-preview {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--color-black-lighter);
    border: 3px solid var(--color-primary);
    border-radius: 40px;
    padding: 15px;
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 25px;
    background: var(--color-black);
    border-radius: 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-black-light), var(--color-black));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-screen svg {
    width: 60%;
    height: 60%;
    fill: var(--color-primary);
    opacity: 0.5;
}

.store-buttons {
    display: flex;
    gap: calc(var(--spacing-unit) * 1.5);
    margin-top: calc(var(--spacing-unit) * 2);
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: var(--color-black);
    border: 1px solid var(--color-black-lighter);
    color: var(--color-white);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.store-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-black-light);
}

.store-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

/* ============================================
   ADS SECTION
   ============================================ */
.ads-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 3);
}

.ad-platform {
    background: var(--color-black);
    padding: calc(var(--spacing-unit) * 2);
    border: 1px solid var(--color-black-lighter);
    text-align: center;
    transition: var(--transition-medium);
}

.ad-platform:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.ad-platform-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black-lighter);
    border-radius: 50%;
}

.ad-platform-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--color-primary);
}

.ad-platform h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 8px;
}

.ad-platform p {
    font-size: 0.85rem;
    color: var(--color-gray-light);
    margin: 0;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-black-light) 100%);
    padding-top: 100px;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a961' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: calc(var(--spacing-unit) * 1);
    position: relative;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: calc(var(--spacing-unit) * 2);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--color-gray-light);
}

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

.breadcrumb span {
    color: var(--color-primary);
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 5) 0;
}

.legal-content h2 {
    font-size: 1.8rem;
    color: var(--color-white);
    margin: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit) * 1.5);
    padding-top: calc(var(--spacing-unit) * 2);
    border-top: 1px solid var(--color-black-lighter);
}

.legal-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-content h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin: calc(var(--spacing-unit) * 2) 0 var(--spacing-unit);
}

.legal-content p {
    color: var(--color-gray-light);
    line-height: 1.9;
    margin-bottom: var(--spacing-unit);
}

.legal-content ul {
    list-style: disc;
    padding-left: calc(var(--spacing-unit) * 2);
    margin-bottom: var(--spacing-unit);
}

.legal-content ul li {
    color: var(--color-gray-light);
    margin-bottom: 10px;
    line-height: 1.8;
}

.legal-content strong {
    color: var(--color-white);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: calc(var(--spacing-unit) * 4) auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--color-primary);
}

.timeline-item {
    position: relative;
    padding: calc(var(--spacing-unit) * 2) 0;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    padding-right: calc(var(--spacing-unit) * 3);
    text-align: right;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: calc(var(--spacing-unit) * 3);
}

.timeline-dot {
    position: absolute;
    top: calc(var(--spacing-unit) * 2.5);
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}

.timeline-year {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 300;
    margin-bottom: 10px;
}

.timeline-item h4 {
    color: var(--color-white);
    margin-bottom: 10px;
}

.timeline-item p {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-unit); }
.mt-2 { margin-top: calc(var(--spacing-unit) * 2); }
.mt-3 { margin-top: calc(var(--spacing-unit) * 3); }
.mt-4 { margin-top: calc(var(--spacing-unit) * 4); }

.mb-1 { margin-bottom: var(--spacing-unit); }
.mb-2 { margin-bottom: calc(var(--spacing-unit) * 2); }
.mb-3 { margin-bottom: calc(var(--spacing-unit) * 3); }
.mb-4 { margin-bottom: calc(var(--spacing-unit) * 4); }

.py-1 { padding-top: var(--spacing-unit); padding-bottom: var(--spacing-unit); }
.py-2 { padding-top: calc(var(--spacing-unit) * 2); padding-bottom: calc(var(--spacing-unit) * 2); }
.py-3 { padding-top: calc(var(--spacing-unit) * 3); padding-bottom: calc(var(--spacing-unit) * 3); }
.py-4 { padding-top: calc(var(--spacing-unit) * 4); padding-bottom: calc(var(--spacing-unit) * 4); }

/* Responsive Utilities */
.hidden { display: none; }
.visible { display: block; }