:root {
    --color-bg: #0a0d0f;
    --color-bg-elevated: #11161a;
    --color-bg-card: #151c22;
    --color-text: #e8ebe8;
    --color-text-muted: #8b9599;
    --color-accent: #c9a227;
    --color-accent-dim: rgba(201, 162, 39, 0.15);
    --color-forest: #2d4a3e;
    --color-forest-light: #3d5d4f;
    --color-energy: #e8b44a;
    --color-border: rgba(139, 149, 153, 0.12);
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

html[lang="zh-CN"] body,
html[lang^="zh"] body {
    font-family: 'Noto Sans SC', var(--font-body);
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) 0;
    transition: transform var(--transition), background var(--transition);
}

.header.scrolled {
    background: rgba(10, 13, 15, 0.92);
    backdrop-filter: blur(12px);
}

.header.hidden {
    transform: translateY(-100%);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.logo span {
    color: var(--color-accent);
}

.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
        gap: var(--space-lg);
    }
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--color-accent);
}

.lang-switcher {
    display: flex;
    gap: var(--space-xs);
}

.lang-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
    font-weight: 500;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.lang-btn:hover,
.lang-btn.active,
.lang-btn:focus-visible {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.lang-btn:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transform: translateX(-100%);
    transition: transform var(--transition);
    z-index: 99;
}

.mobile-nav.open {
    transform: translateX(0);
}

@media (min-width: 768px) {
    .mobile-nav {
        display: none;
    }
}

.mobile-nav .nav-link {
    font-size: 1.2rem;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-md);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 30%, var(--color-forest) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 70%, var(--color-accent-dim) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, #0d1216 100%);
    z-index: 0;
}

.hero-bg-image {
    background:
        linear-gradient(135deg, rgba(10, 13, 15, 0.92) 0%, rgba(10, 13, 15, 0.7) 50%, rgba(10, 13, 15, 0.85) 100%),
        url('https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&w=1920') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-tagline {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto var(--space-lg);
    line-height: 1.7;
}

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--color-accent);
}

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

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Sections */
.section {
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header.light .section-label {
    color: var(--color-accent);
}

.section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 600;
}

/* Section backgrounds */
.section-with-bg {
    position: relative;
}

.section-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.section-with-bg .container {
    position: relative;
    z-index: 1;
}

.about .section-bg-image {
    background-image: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1920');
}

.energy .section-bg-image {
    background-image: url('https://images.unsplash.com/photo-1639762681057-408e52192e55?auto=format&fit=crop&w=1920');
    opacity: 0.12;
}

.timber .section-bg-image {
    background-image: url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=1920');
}

/* About */
.about {
    background: var(--color-bg-elevated);
}

.about-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: border-color var(--transition), transform var(--transition);
}

.about-card:hover {
    border-color: var(--color-forest-light);
    transform: translateY(-2px);
}

.about-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
}

.about-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-accent);
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.about-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* Energy */
.energy {
    background:
        linear-gradient(135deg, var(--color-forest) 0%, var(--color-bg) 50%),
        var(--color-bg);
}

.energy-content {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .energy-content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.energy .lead {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.energy-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.energy-list li {
    position: relative;
    padding-left: var(--space-md);
    color: var(--color-text-muted);
}

.energy-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.flow-step {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--color-accent);
}

.flow-arrow {
    color: var(--color-text-muted);
    font-size: 1.2rem;
}

.energy-image {
    margin-top: var(--space-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.energy-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Miners */
.miners {
    background:
        linear-gradient(135deg, var(--color-forest) 0%, var(--color-bg) 50%),
        var(--color-bg);
}

.miners-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-xl);
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.miners-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 600px) {
    .miners-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.miners-stat {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: var(--radius-lg);
}

.miners-stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.miners-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.miners-specs {
    margin-bottom: var(--space-xl);
}

.miners-specs-title,
.miners-equipment-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.miners-specs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.miners-specs-list li {
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.miners-equipment {
    margin-top: var(--space-xl);
}

.miners-equipment-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
}

.miners-gallery {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

@media (min-width: 600px) {
    .miners-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

.miners-gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.miners-gallery-item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
}

.miners-gallery-caption {
    display: block;
    padding: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    background: var(--color-bg-card);
}

.miners-equipment-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.8;
}

/* Timber */
.timber {
    background: var(--color-bg-elevated);
}

.timber-lead {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-lg);
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.timber-cycle {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-forest-light);
}

.timber-cycle-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.timber-cycle-list {
    list-style: none;
}

.timber-cycle-list li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

.timber-cycle-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    background: var(--color-forest-light);
    border-radius: 50%;
}

.timber-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .timber-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.timber-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border-left: 3px solid var(--color-forest-light);
}

.timber-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.timber-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* Investors */
.investors {
    background: linear-gradient(135deg, #1a2332 0%, var(--color-forest) 50%, #0d1820 100%);
}

.investors-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .investors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.investor-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}

.investor-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.investor-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.investor-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
}

.investor-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.investors-cta {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.investors-cta p {
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
    color: var(--color-text);
}

/* Equipment gallery */
.gallery {
    padding: var(--space-2xl) 0;
    background: var(--color-bg);
}

.gallery-grid {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

@media (min-width: 600px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sustainability */
.sustainability {
    background: linear-gradient(180deg, var(--color-forest) 0%, var(--color-bg) 100%);
}

.sustainability-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
    .sustainability-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-card {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.sustainability-note {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Packages & Profitability */
.packages {
    background: var(--color-bg-elevated);
}

.packages-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-2xl);
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.packages-blocks {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.packages-block {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.packages-block-economics {
    background: linear-gradient(180deg, rgba(45, 74, 62, 0.4) 0%, var(--color-bg-card) 25%);
    border-color: rgba(201, 162, 39, 0.2);
}

.packages-block-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid var(--color-border);
}

.packages-block-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0;
}

.packages-min-pill {
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent-dim);
    border: 1px solid rgba(201, 162, 39, 0.4);
    border-radius: 999px;
    color: var(--color-accent);
}

.packages-block-economics .profitability-grid,
.packages-block-economics .profitability-note {
    padding: 0 var(--space-lg);
}

.packages-block-economics .profitability-grid {
    padding-top: var(--space-lg);
    margin-bottom: var(--space-md);
}

.packages-block-economics .profitability-note {
    padding-bottom: var(--space-lg);
}

.packages-block-tiers {
    background: rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.packages-block-tiers .packages-grid {
    min-width: 0;
}

.packages-block-title-tiers {
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--color-border);
    margin: 0;
}

.packages-block-tiers .packages-grid {
    padding: var(--space-lg);
    margin: 0;
}

.profitability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 600px) {
    .profitability-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.profitability-item {
    text-align: center;
    padding: var(--space-md) var(--space-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
}

.profitability-item.highlight {
    border: 1px solid var(--color-accent);
    background: var(--color-accent-dim);
}

.profitability-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.profitability-item.highlight .profitability-value {
    color: var(--color-accent);
}

.profitability-unit {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.profitability-gas-model {
    margin: var(--space-md) var(--space-lg);
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
}

.profitability-gas-model-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0 0 var(--space-xs);
}

.profitability-gas-model-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

.profitability-gas-model-breakdown {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: var(--space-sm) 0 0;
    opacity: 0.9;
}

.profitability-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
}

.packages-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .packages-grid {
        grid-template-columns: repeat(2, 1fr);
        align-items: stretch;
    }
}

@media (min-width: 1280px) {
    .packages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.package-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), transform var(--transition);
    min-width: 0;
}

@media (min-width: 1280px) {
    .package-card {
        padding: var(--space-lg);
    }
}

.package-card:hover {
    border-color: var(--color-forest-light);
    transform: translateY(-2px);
}

.package-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.08) 0%, var(--color-bg-card) 30%);
    position: relative;
}

.package-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.package-badge {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.package-amount {
    font-family: var(--font-heading);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    word-break: break-word;
}

.package-currency {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.package-features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--space-lg);
}

.package-features li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
    line-height: 1.5;
    word-break: break-word;
}

.package-features strong {
    color: var(--color-accent);
}

.package-earn {
    color: var(--color-text-muted);
}

.package-apr {
    color: var(--color-accent);
    font-weight: 600;
}

.package-apr-desc {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.package-btn {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: auto;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    line-height: 1.45;
    white-space: normal;
    word-break: normal;
    min-height: 3rem;
    box-sizing: border-box;
}

.packages-block-payout {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.packages-block-payout .packages-block-title {
    margin-bottom: var(--space-md);
}

.calc-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: var(--space-lg);
}

.calc-box {
    max-width: 400px;
}

.calc-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.calc-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.calc-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.calc-result {
    font-size: 1rem;
}

.calc-result-btc {
    display: block;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.calc-result-usd {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.packages-disclaimer {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-md);
}

.packages-disclaimer p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
    text-align: center;
}

/* Contact */
.contact {
    background: var(--color-bg-elevated);
}

.contact-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.contact-text {
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    text-align: center;
}

.footer .logo {
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.footer-email {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.footer-email:hover {
    text-decoration: underline;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}