/* ==========================================
   ENERGY - Premium Advertising Agency
   Stylesheet
   ========================================== */

/* --- Variables --- */
:root {
    /* Colors */
    --color-black: #0a0a0a;
    --color-dark: #121212;
    --color-dark-gray: #1e1e1e;
    --color-gray: #333333;
    --color-light-gray: #888888;
    --color-white: #ffffff;
    --color-gold: #D4AF37;
    --color-gold-light: #F4CF57;
    --color-gold-dark: #B49427;
    --color-gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4CF57 50%, #B49427 100%);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-main);
    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 {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
p { margin-bottom: var(--spacing-sm); color: #cccccc; }

.text-gold {
    color: var(--color-gold);
    background: var(--color-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-gold {
    background: var(--color-gold-gradient);
    color: var(--color-black);
    border: 2px solid transparent;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

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

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition-fast);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 50px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-white);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.burger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.burger-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('../public/images/glav-banner.png') center/cover no-repeat;
    padding-top: var(--header-height);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.7) 50%, rgba(10, 10, 10, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    margin-top: -100px; /* Поднимаем H1 ближе к меню */
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    color: #dddddd;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* === Hero Features (обычный порядок) === */
.hero-features {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-white);
    font-weight: 500;
}

.icon-check {
    width: 20px;
    height: 20px;
    stroke: var(--color-white);
}

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

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

.section-label {
    color: var(--color-gold);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--color-white);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.section-desc {
    color: var(--color-light-gray);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: var(--spacing-md);
}

/* --- Services --- */
.services {
    background: var(--color-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-dark-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-gold);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-image {
    #height: 220px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.service-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

/* --- Portfolio --- */
.portfolio {
    background: var(--color-black);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.portfolio-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 1/1;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* --- Advantages --- */
.advantages {
    background: var(--color-dark);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.advantage-card:hover {
    background: var(--color-dark-gray);
    border-color: var(--color-gold);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-gold);
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-card h3 {
    margin-bottom: var(--spacing-xs);
}

.advantage-card p {
    font-size: 0.9rem;
}

/* --- Contact Form (2 колонки с равными пропорциями) --- */
.contact-form-section {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
    align-items: stretch;
    width: 100%;
}

.form-info,
.form-box {
    min-width: 0;
    width: 100%;
}

.form-info {
    display: flex;
    flex-direction: column;
}

.form-info .section-title {
    margin-bottom: var(--spacing-sm);
}

.form-image-wrap {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    width: 100%;
    position: relative;
}

.form-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.form-box {
    background: var(--color-dark-gray);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 400px;
    width: 100%;
}

.form-box h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    width: 100%;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gold);
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 12px 16px;
    background: var(--color-black);
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    width: 100%;
    min-width: 0;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-field textarea {
    resize: vertical;
    min-height: 100px;
}

.form-field select {
    appearance: none;
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    background: var(--color-gold-gradient);
    color: var(--color-black);
    padding: 16px;
    border-radius: 8px;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: var(--spacing-xs);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
}

.form-note {
    text-align: center;
    font-size: 0.7rem;
    color: var(--color-light-gray);
    margin-top: var(--spacing-xs);
}

.form-message {
    text-align: center;
    padding: var(--spacing-xs);
    font-weight: 600;
    border-radius: 4px;
    margin-top: var(--spacing-sm);
}

.form-message.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
}

.form-message.error {
    background: rgba(244, 67, 54, 0.2);
    color: #F44336;
}

/* --- Contacts --- */
.contacts {
    background: var(--color-black);
}

.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-gold);
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--color-white);
    margin-bottom: 4px;
    font-size: 1rem;
}

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

.contact-item a:hover {
    color: var(--color-gold);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-btn {
    padding: 10px 24px;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-gray);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

.social-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.contacts-map {
    height: 100%;
    min-height: 400px;
    border-radius: 8px;
    overflow: hidden;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-gray);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-logo p {
    font-size: 0.85rem;
    color: var(--color-light-gray);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

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

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

/* --- To Top Button --- */
.to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-gold-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-fast);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.to-top:hover {
    transform: translateY(-5px);
}

.to-top svg {
    width: 24px;
    height: 24px;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Staggered animation delays for grids */
.services-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.services-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.services-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }
.services-grid .fade-up:nth-child(4) { transition-delay: 0.4s; }
.services-grid .fade-up:nth-child(5) { transition-delay: 0.5s; }
.services-grid .fade-up:nth-child(6) { transition-delay: 0.6s; }

.portfolio-grid .fade-up:nth-child(1) { transition-delay: 0.1s; }
.portfolio-grid .fade-up:nth-child(2) { transition-delay: 0.2s; }
.portfolio-grid .fade-up:nth-child(3) { transition-delay: 0.3s; }
.portfolio-grid .fade-up:nth-child(4) { transition-delay: 0.4s; }
.portfolio-grid .fade-up:nth-child(5) { transition-delay: 0.5s; }
.portfolio-grid .fade-up:nth-child(6) { transition-delay: 0.6s; }

/* --- Responsive --- */
@media (max-width: 1199px) {
    :root {
        --container-width: 960px;
    }
}

@media (max-width: 991px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .form-info {
        text-align: center;
        align-items: center;
    }

    .form-info .section-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .form-image-wrap {
        max-width: 600px;
        margin: 0 auto;
    }

    .contacts-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contacts-map {
        order: -1;
        min-height: 300px;
    }
}

@media (max-width: 767px) {
    :root {
        --container-width: 100%;
        --spacing-xl: 4rem;
    }
    
    .hero-features--top {
        order: 0;
        margin-top: 0; /* На мобильных без смещения */
    }
    
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-dark);
        padding: var(--spacing-md);
        transform: translateY(-150%);
        transition: var(--transition-smooth);
        z-index: 999;
        border-bottom: 1px solid var(--color-gray);
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .burger-btn {
        display: flex;
    }
    
    .burger-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .burger-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-box {
        padding: var(--spacing-sm);
    }
    
    .form-image-wrap {
        min-height: 300px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}