@import url('https://fonts.googleapis.com/css2?family=PingFang+SC:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #FF6B35;
    --secondary-color: #2EC4B6;
    --accent-color: #FF9F1C;
    --dark-color: #1A1A2E;
    --light-color: #FFFFFF;
    --gray-color: #F5F5F5;
    --text-primary: #2D3436;
    --text-secondary: #636E72;
    --transition-speed: 0.3s;
    --animation-duration: 1s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213E 50%, #0F3460 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 20px;
}

.logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    animation: slideInLeft 0.6s ease-out;
    transition: transform 0.3s ease;
}

.logo-icon {
    color: var(--light-color);
    font-size: 24px;
    font-weight: 700;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.decorative-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.element {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 5%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    top: 40%;
    left: -5%;
    animation-delay: 1s;
}

.element-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    right: 20%;
    animation-delay: 2s;
}

.element-4 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 10%;
    animation-delay: 3s;
}

.element-5 {
    width: 120px;
    height: 120px;
    bottom: 10%;
    left: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
        opacity: 0.8;
    }
}

.construction-icon {
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.hammer-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    filter: drop-shadow(0 8px 20px rgba(255, 107, 53, 0.4));
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) rotate(-5deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--light-color);
    text-align: center;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.title-word {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInUp 0.6s ease-out backwards;
    text-shadow: 0 0 40px rgba(255, 107, 53, 0.3);
}

.title-word-1 { animation-delay: 0.2s; }
.title-word-2 { animation-delay: 0.4s; }
.title-word-3 { animation-delay: 0.6s; }
.title-word-4 { animation-delay: 0.8s; }

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

.description {
    max-width: 600px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 1s backwards;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 1.2s backwards;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    color: var(--light-color);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 280px;
    justify-content: center;
}

.contact-link:hover {
    background: rgba(255, 107, 53, 0.2);
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.3);
}

.contact-icon {
    width: 20px;
    height: 20px;
}

.footer {
    padding: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .header {
        padding: 15px;
    }

    .logo {
        width: 45px;
        height: 45px;
    }

    .logo-icon {
        font-size: 22px;
    }

    .hero {
        padding: 30px 15px;
    }

    .construction-icon {
        margin-bottom: 20px;
    }

    .hammer-icon {
        width: 60px;
        height: 60px;
    }

    .main-title {
        font-size: clamp(2rem, 10vw, 4rem);
        gap: 5px;
    }

    .description {
        font-size: 0.9rem;
        padding: 0 10px;
        margin-bottom: 30px;
    }

    .contact-link {
        min-width: 250px;
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .footer {
        padding: 15px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 25px 10px;
    }

    .main-title {
        font-size: clamp(1.8rem, 12vw, 3.5rem);
    }

    .description {
        font-size: 0.85rem;
    }

    .contact-link {
        min-width: 220px;
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-15px) scale(1.5);
        opacity: 0.8;
    }
}