/* ==================== ОСНОВНЫЕ СТИЛИ ==================== */

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

:root {
    --primary: #ff8c00;
    --primary-dark: #ff6b00;
    --dark: #1a1a1a;
    --dark-light: #2a2a2a;
    --light: #f5f5f5;
    --text: #333;
    --text-light: #666;
    --border: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== ТИПОГРАФИЯ ==================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 15px;
    font-weight: 700;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 15px;
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s ease;
}

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

.text-orange {
    color: var(--primary);
}

/* ==================== КНОПКИ ==================== */

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 140, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-primary-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* ==================== HEADER ==================== */

.header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 20px 0;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0;
}

.logo a {
    color: white;
    display: flex;
    align-items: center;
    gap: 0;
    transition: all 0.3s ease;
}

.logo a:hover {
    transform: scale(1.05);
}

.logo-svg {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.logo a:hover .logo-svg {
    transform: scale(1.1) rotate(5deg);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.navbar {
    display: flex;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 40px;
}

.nav-link {
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

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

.btn-primary-small {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: white !important;
    transition: all 0.3s ease !important;
}

.btn-primary-small:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 25px rgba(255, 140, 0, 0.3) !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    transition: 0.3s ease;
    border-radius: 2px;
}

.menu-toggle:hover span {
    background: var(--primary);
}

/* ==================== HERO SECTION ==================== */

.hero {
    background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
    padding: 80px 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    width: 100%;
    max-width: 1200px;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-element {
    width: 300px;
    height: 300px;
    position: relative;
}

.floating-element svg {
    width: 100%;
    height: 100%;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(20px); }
}

/* ==================== SECTION TITLES ==================== */

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 20px auto 0;
}

/* ==================== ADVANTAGES SECTION ==================== */

.advantages {
    padding: 80px 0;
    background: #f9f9f9;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 140, 0, 0.15);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    color: var(--dark);
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==================== SERVICES SECTION ==================== */

.services {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(255, 140, 0, 0.2);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    color: var(--dark);
    margin-bottom: 15px;
}

.service-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.service-card ul {
    list-style: none;
}

.service-card ul li {
    padding: 8px 0;
    color: var(--text-light);
    padding-left: 20px;
    position: relative;
}

.service-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* ==================== PORTFOLIO SECTION ==================== */

.portfolio {
    padding: 100px 0;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.portfolio-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: -40px;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.portfolio-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(255, 140, 0, 0.25);
}

.portfolio-image {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    position: relative;
    overflow: hidden;
}

.portfolio-image span {
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.9) 0%, rgba(255, 107, 0, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 3;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    color: var(--dark);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.portfolio-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    color: var(--text-light);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.portfolio-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.portfolio-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, #ff9933 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.portfolio-item:hover::after {
    transform: scaleX(1);
}

/* ==================== SEO INFO SECTION ==================== */

.seo-info {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.seo-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.seo-info h2 {
    text-align: center;
    color: white;
    margin-bottom: 20px;
    font-size: 3rem;
    position: relative;
    z-index: 1;
}

.seo-info > .container > h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, #ff9933 100%);
    margin: 20px auto 60px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 140, 0, 0.15);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(255, 140, 0, 0.2);
}

.stat-card h3 {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 15px;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(255, 140, 0, 0.3);
}

.stat-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* ==================== CONTACT SECTION ==================== */

.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact .section-title {
    color: white;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.contact .section-title::after {
    background: white;
    margin: 20px auto 0;
}

.contact-subtitle {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 60px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.info-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 700;
}

.info-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.info-card a {
    color: white;
    font-weight: 700;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.info-card a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* Telegram CTA кнопка */
.contact-telegram-cta {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
    color: white !important;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 136, 204, 0.3);
}

.btn-telegram:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 136, 204, 0.4);
}

.telegram-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* МОДАЛЬНОЕ ОКНО ФОРМЫ (закомментировано, будет использоваться в виде всплывающего окна)

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.contact-form input,
.contact-form textarea {
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.contact-form button {
    align-self: center;
    width: 100%;
    max-width: 250px;
    background: white !important;
    color: var(--primary) !important;
    font-weight: 700 !important;
    font-size: 1.05rem !important;
    padding: 16px 40px !important;
    transition: all 0.3s ease !important;
}

.contact-form button:hover {
    transform: translateY(-3px) scale(1.02) !important;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2) !important;
}

*/

/* ==================== SCROLL REVEAL ANIMATIONS ==================== */

/* Скрываем элементы до того как они появятся в viewport */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Задержка для дочерних элементов */
.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* Анимация для карточек */
.reveal-card {
    opacity: 0;
    transform: translateY(60px) scale(0.95);
    transition: all 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-card.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Анимация для заголовков секций */
.reveal-title {
    opacity: 0;
    transform: translateY(-30px);
    transition: all 0.8s ease-out;
}

.reveal-title.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== FOOTER ==================== */

.footer {
    background: linear-gradient(135deg, var(--dark) 0%, #0a0a0a 100%);
    color: white;
    padding: 80px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-about {
    flex: 1;
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    color: white;
    font-weight: bold;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 140, 0, 0.3);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 140, 0, 0.4);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin: 8px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.footer-bottom p:hover {
    color: var(--primary);
}