/* RUICHEN Asia - Windsor Inspired Design */

:root {
    /* Windsor Color Palette */
    --primary-color: #2c5f4f;
    --primary-dark: #1e4438;
    --primary-light: #3d7a64;
    --accent-gold: #c9a961;
    --accent-gold-dark: #b39651;

    /* Neutrals */
    --white: #ffffff;
    --off-white: #f8f8f8;
    --light-gray: #e5e5e5;
    --gray: #999999;
    --dark-gray: #333333;
    --black: #1a1a1a;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-gray);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Lora', serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--black);
}

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

ul {
    list-style: none;
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--white);
    transition: var(--transition);
}

.header.scrolled .logo {
    color: var(--primary-color);
}

.logo-img {
    height: 70px;
    width: auto;
    transition: var(--transition);
    mix-blend-mode: screen;
    filter: brightness(1.1);
}

.logo i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.logo strong {
    font-weight: 700;
    color: var(--accent-gold);
}

/* CTA Button */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--accent-gold);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: var(--transition);
    border: 2px solid var(--accent-gold);
    text-transform: uppercase;
}

.cta-btn:hover {
    background: var(--accent-gold-dark);
    border-color: var(--accent-gold-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-btn-large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.cta-btn-white {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
}

.cta-btn-white:hover {
    background: var(--off-white);
    border-color: var(--off-white);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    background-image: url('https://images.unsplash.com/photo-1464219789935-c2d9d9aba644?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 95, 79, 0.85) 0%, rgba(30, 68, 56, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-text h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 24px;
    font-weight: 700;
}

.hero-text p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Fade-in Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 {
    animation-delay: 0.3s;
}

.delay-2 {
    animation-delay: 0.6s;
}

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

/* Section Styling */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.divider {
    width: 80px;
    height: 3px;
    background: var(--accent-gold);
    margin: 20px auto;
}

.divider-left {
    margin: 20px 0;
}

/* Services Grid */
.services {
    background: var(--off-white);
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    font-size: 2rem;
    border-radius: 50%;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* Why Choose Us */
.why-choose {
    background: var(--white);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-choose-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.why-choose-image:hover img {
    transform: scale(1.05);
}

.image-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: var(--accent-gold);
    color: var(--white);
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Lora', serif;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.why-choose-text h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.intro-text {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-top: 4px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.feature-item p {
    color: var(--gray);
    line-height: 1.7;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: 'Lora', serif;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

.stat-label {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.9);
}

/* CTA Section */
.cta-section {
    background: var(--off-white);
    padding: 100px 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 40px 0;
}

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

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.footer-logo .logo-img {
    height: 60px;
    mix-blend-mode: lighten;
    opacity: 0.95;
}

.footer-logo strong {
    font-weight: 700;
    color: var(--accent-gold);
}

.footer p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--accent-gold-dark);
    transform: translateY(-4px);
}

/* AOS Animations */
[data-aos] {
    opacity: 0;
    transition: all 0.8s ease;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

.aos-animate {
    opacity: 1 !important;
    transform: translate(0) scale(1) !important;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 1.9rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo i {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-btn-large {
        padding: 16px 28px;
        font-size: 0.95rem;
    }
}