/* =========================================
   VARIABLES & RESET
========================================= */
:root {
    /* Colors */
    --clr-primary: #FFCC00; /* Rich Yellow */
    --clr-primary-dark: #E6B800;
    --clr-bg-light: #ffffff;
    --clr-bg-offlight: #f4f5f7;
    --clr-text-dark: #1A1A1A;
    --clr-text-muted: #5A5A5A;
    --clr-border: #E5E7EB;
    
    /* Typography */
    --font-main: 'Montserrat', sans-serif;
    
    /* Variables */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 50px rgba(255, 204, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--clr-text-dark);
    background-color: var(--clr-bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--clr-bg-offlight);
}

/* =========================================
   TYPOGRAPHY
========================================= */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title span {
    color: var(--clr-primary);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
}

/* =========================================
   BUTTONS
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.3);
}

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-text-dark);
    border: 2px solid var(--clr-text-dark);
}

.btn-secondary:hover {
    background-color: var(--clr-text-dark);
    color: #fff;
    transform: translateY(-2px);
}

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

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

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

.logo img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-primary);
    transition: var(--transition-fast);
}

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

.header-contacts {
    display: flex;
    align-items: center;
    gap: 24px;
}

.phone-link {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.phone-link i {
    color: var(--clr-primary);
    font-size: 1.25rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--clr-text-dark);
}

/* =========================================
   HERO SECTION
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px; /* Offset header */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FFFDF5 0%, #F5F5F5 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255,204,0,0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(255, 204, 0, 0.2);
    color: #B28F00;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--clr-primary);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--clr-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Floating Shapes Animation */
.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-primary), #FFEB85);
    opacity: 0.6;
    filter: blur(40px);
    z-index: -1;
    animation: float 8s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 10%;
    left: 40%;
    animation-delay: 2s;
    background: linear-gradient(135deg, #FFEB85, var(--clr-primary-dark));
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

/* =========================================
   FEATURES (ABOUT)
========================================= */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--clr-bg-light);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft);
    border-color: var(--clr-primary);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--clr-primary);
    transition: var(--transition-fast);
}

.feature-card:hover::before {
    height: 100%;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(255, 204, 0, 0.1);
    color: var(--clr-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 32px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    font-size: 0.95rem;
    color: var(--clr-text-muted);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '•';
    color: var(--clr-primary);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1;
}

/* =========================================
   SERVICES
========================================= */
.services-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-item {
    display: flex;
    align-items: center;
    padding: 30px 40px;
    background-color: var(--clr-bg-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--clr-border);
}

.service-item:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-soft);
    transform: translateX(10px);
}

.service-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #E5E7EB;
    min-width: 60px;
    transition: var(--transition-fast);
}

.service-item:hover .service-number {
    color: var(--clr-primary);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    flex: 1;
}

.service-text {
    flex: 2;
    color: var(--clr-text-muted);
    font-size: 1rem;
    padding: 0 40px;
}

.service-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--clr-bg-offlight);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-dark);
    transition: var(--transition-fast);
}

.service-item:hover .service-arrow {
    background-color: var(--clr-primary);
    color: #000;
}

/* =========================================
   PARTNERS
========================================= */
.partners-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background-color: var(--clr-primary);
    border-radius: var(--radius-lg);
    padding: 60px;
    color: #000;
}

.partners-content .section-title span {
    color: #fff;
}

.partners-desc {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.partner-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-weight: 500;
}

.partner-benefits i {
    font-size: 1.5rem;
    color: #fff;
}

.partners-logos {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.partner-logo {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-text-dark);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition-fast);
}

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

/* =========================================
   PORTFOLIO
========================================= */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--clr-bg-light);
    box-shadow: var(--shadow-soft);
    position: relative;
    group: hover;
}

.portfolio-img-stub {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #e5e7eb, #d1d5db);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #9ca3af;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-img-stub {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 24px;
    position: relative;
    z-index: 1;
    background: var(--clr-bg-light);
}

.portfolio-info h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.portfolio-info p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* =========================================
   FOOTER
========================================= */
.footer {
    background-color: var(--clr-text-dark);
    color: #fff;
    padding: 80px 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    filter: brightness(0) invert(1);
    margin-bottom: 24px;
    display: inline-block;
}

.footer-desc {
    color: #9CA3AF;
    margin-bottom: 24px;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.social-link:hover {
    background: var(--clr-primary);
    color: #000;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.contact-list li {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    color: #9CA3AF;
    align-items: flex-start;
}

.contact-list i {
    color: var(--clr-primary);
    font-size: 1.25rem;
    margin-top: 4px;
}

.contact-phones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-phones a {
    color: #fff;
    font-weight: 500;
}

.contact-phones a:hover {
    color: var(--clr-primary);
}

.contact-list a {
    color: #fff;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    color: #9CA3AF;
}

.footer-nav a:hover {
    color: var(--clr-primary);
    padding-left: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    color: #9CA3AF;
    font-size: 0.9rem;
}

/* =========================================
   ANIMATIONS / REVEAL
========================================= */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-slow);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: var(--transition-slow);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

/* =========================================
   CONTACTS SECTION
========================================= */
.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: stretch;
}

.contacts-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background-color: rgba(255, 204, 0, 0.1);
    color: var(--clr-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}

.contact-details h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--clr-text-dark);
}

.contact-details p, .contact-details a {
    color: var(--clr-text-muted);
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--clr-primary-dark);
}

.contacts-map iframe {
    display: block;
    width: 100%;
}

/* =========================================
   RESPONSIVE DESIGN
========================================= */
@media (max-width: 1024px) {
    .service-text {
        padding: 0 20px;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .partners-container,
    .contacts-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .partners-container {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .header-contacts {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--clr-bg-light);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        padding: 80px 40px;
        transition: var(--transition-fast);
        z-index: 999;
    }

    .nav.is-open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 24px;
        font-size: 1.25rem;
    }

    /* Menu open background overflow hidden */
    body.menu-open {
        overflow: hidden;
    }

    .service-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .service-text {
        padding: 0;
    }
    
    .service-arrow {
        align-self: flex-end;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .partners-container {
        padding: 30px 20px;
    }
}