/*
Theme Name: Buk-Holding Theme
Theme URI: https://www.bukholding.com.ua/
Author: Antigravity AI
Description: A premium, modern landing page theme for Buk-Holding LLC.
Version: 1.2.0
Text Domain: bukholding
*/

:root {
    --primary: #108444;
    --primary-light: #1ed760;
    --primary-dark: #0a562d;
    --background: #ffffff;
    --surface: #f9f9f9;
    --text-main: #0a0a0a;
    --text-dim: #555555;
    --border: rgba(0, 0, 0, 0.1);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

h1 { font-size: clamp(3.5rem, 9vw, 6.5rem); text-transform: uppercase; }
h2 { font-size: clamp(2.5rem, 6vw, 4.5rem); margin-bottom: 2rem; }
h3 { font-size: 1.75rem; margin-bottom: 1rem; color: var(--primary); }

p {
    font-size: 1.125rem;
    color: var(--text-dim);
    max-width: 65ch;
}

.section-title {
    display: inline-block;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 160px 0;
    position: relative;
}

/* Components */
.glass-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 100px 80px;
    transition: var(--transition);
    box-shadow: 0 10px 40px rgba(0,0,0,0.02);
    max-width: 100%;
}

.glass-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(16, 132, 68, 0.1);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--text-main);
    color: var(--background);
    padding: 20px 48px;
    border-radius: 100px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid var(--text-main);
    cursor: pointer;
    white-space: nowrap;
}

.button:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--background);
    transform: translateY(-2px);
}

.button-outline {
    background: transparent;
    color: var(--text-main);
    border: 1.5px solid var(--border);
}

.button-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
}

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

.logo img {
    height: 44px;
}

.lang-switcher a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 14px;
    background: var(--surface);
    transition: var(--transition);
    font-family: var(--font-heading);
    font-size: 0.875rem;
}

.lang-switcher a:hover {
    background: var(--primary);
    color: var(--background);
}

/* Sections */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, rgba(16, 132, 68, 0.05) 0%, transparent 70%);
}

.hero-content {
    max-width: 1100px;
}

.hero h1 { margin: 24px 0; }
.hero p { margin: 0 auto 48px; font-size: 1.25rem; }

/* Grid Systems */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* EV Section Specifics */
.ev-stats {
    display: flex;
    gap: 60px;
}

.stat-item {
    border-left: 4px solid var(--primary);
    padding-left: 24px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    color: var(--primary);
    margin-top: 8px;
}

/* Background Blobs */
.blob-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 800px;
    height: 800px;
    background: var(--primary);
    filter: blur(200px);
    opacity: 0.08;
    border-radius: 50%;
}

.blob-1 { top: -20%; left: -10%; animation: move 25s infinite alternate; }
.blob-2 { bottom: -20%; right: -10%; animation: move 30s infinite alternate-reverse; }

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(150px, 150px) scale(1.1); }
}

/* Footer Specifics */
.site-footer {
    padding: 120px 0 60px;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.footer-logo { font-size: 2rem; margin-bottom: 24px; color: var(--text-main); }
.footer-tagline { font-size: 0.9375rem; opacity: 0.7; }
.footer-links { list-style: none; margin-top: 24px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--text-dim); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-contact { margin-top: 24px; font-size: 1rem; color: var(--text-main); font-weight: 600; }
.footer-bottom { margin-top: 100px; padding-top: 32px; border-top: 1px solid var(--border); text-align: center; }
.footer-bottom p { font-size: 0.75rem; opacity: 0.4; margin: 0 auto; }

/* Responsive */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-2 { grid-template-columns: 1fr; gap: 60px; }
    section { padding: 100px 0; }
    section#industrial, section#partnerships {
        padding: 200px 0;
    }
}

#cta {
    margin-top: 100px;
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .grid-3 { grid-template-columns: 1fr; }
    .glass-card { padding: 80px 24px; }
    .hero { min-height: auto; padding-top: 180px; padding-bottom: 120px; }
    .hero div[style*="display: flex"] {
        flex-direction: column !important;
        gap: 16px !important;
    }
    .hero .button { width: 100%; }
    #ev-charging .container {
        display: flex;
        flex-direction: column-reverse;
        gap: 40px;
        padding: 0;
        max-width: 100%;
    }
    .ev-card-main {
        padding: 60px 24px;
        background: var(--background);
        border-radius: 0;
        width: 100%;
        border-left: none;
        border-right: none;
    }
    .ev-content-text {
        padding: 0 16px;
    }
    .ev-stats { flex-direction: column; gap: 40px; }
    .stat-number { font-size: 3.5rem; }
    section { padding: 140px 0; }
    #industrial, #partnerships { padding: 160px 0; }
    #cta { margin-top: 60px; }
}