/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors - EJONA Brand Colors */
    --primary-yellow: #F5B700;
    --primary-gold: #F5B700;
    --primary-black: #000000;
    --anthracite: #2C2C2C;
    --anthracite-light: #3A3A3A;
    --dark-text: #000000;
    --gray-text: #3A3A3A;
    --light-gray: #e2e8f0;
    --white: #ffffff;
    --background: #f7fafc;

    /* Typography - San Francisco (Apple) with system font fallbacks */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --section-padding-mobile: 60px 0;

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

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

ul {
    list-style: none;
}

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

/* ===================================
   Container & Utilities
   =================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-yellow);
    color: var(--primary-black);
    box-shadow: 0 4px 15px rgba(245, 183, 0, 0.3);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 183, 0, 0.4);
    background: #ffc107;
}

.btn-secondary {
    background: var(--white);
    color: var(--anthracite);
    border: 2px solid var(--anthracite);
}

.btn-secondary:hover {
    background: var(--anthracite);
    color: var(--white);
}

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

.btn-secondary-white:hover {
    background: var(--white);
    color: var(--primary-yellow);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--anthracite);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

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

.logo-img {
    height: 45px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover .logo-img {
    opacity: 0.85;
}

/* Responsive logo sizing */
@media (max-width: 640px) {
    .logo-img {
        height: 40px;
        max-width: 150px;
    }
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-yellow);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-text);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-yellow);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 12px 0;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 24px;
    color: var(--dark-text);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--background);
    color: var(--primary-yellow);
}

/* Language Toggle */
.nav-actions {
    display: flex;
    align-items: center;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--light-gray);
    font-weight: 600;
    font-size: 14px;
}

.lang-option {
    cursor: pointer;
    color: var(--gray-text);
    transition: var(--transition);
}

.lang-option.active {
    color: var(--primary-yellow);
}

.lang-option:hover {
    color: var(--primary-yellow);
}

.lang-divider {
    color: var(--light-gray);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--anthracite);
    color: var(--white);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.03) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.03) 75%);
    background-size: 50px 50px;
    background-position: 0 0, 0 25px, 25px -25px, -25px 0px;
}

/* Hero Slider */
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(44, 44, 44, 0.7), rgba(44, 44, 44, 0.85));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--white);
    opacity: 0.7;
    font-size: 14px;
    animation: bounce 2s infinite;
}

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

/* ===================================
   Stats Section
   =================================== */
.stats {
    background: var(--white);
    padding: 60px 0;
    margin-top: -60px;
    position: relative;
    z-index: 3;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-yellow);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-text);
    font-weight: 500;
}

/* ===================================
   Services Overview
   =================================== */
.services-overview {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(245, 183, 0, 0.15);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: var(--primary-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--anthracite);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark-text);
}

.service-description {
    color: var(--gray-text);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-link {
    color: var(--primary-yellow);
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    color: #ffc107;
}

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

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

.features-list {
    margin: 40px 0;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.feature-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-yellow);
    color: var(--anthracite);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-text);
}

.feature-content p {
    color: var(--gray-text);
    line-height: 1.6;
}

.why-choose-image {
    position: relative;
}

.image-placeholder {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    aspect-ratio: 4/5;
}

/* ===================================
   Clients Section
   =================================== */
.clients {
    padding: var(--section-padding);
    background: var(--background);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.client-logo {
    background: var(--white);
    padding: 32px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.client-logo:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.logo-placeholder {
    color: var(--gray-text);
    font-weight: 600;
    text-align: center;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: var(--anthracite);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(44, 44, 44, 0.85), rgba(44, 44, 44, 0.85)),
        linear-gradient(45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.03) 25%, transparent 25%);
    background-size: cover, 50px 50px, 50px 50px;
    z-index: 1;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    max-width: 150px;
    margin-bottom: 16px;
    object-fit: contain;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact span {
    font-weight: 600;
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-wrapper {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
    }

    .mobile-menu-toggle {
        display: flex;
        order: 1;
        justify-self: start;
    }

    .logo {
        order: 2;
        justify-self: center;
    }

    /* Empty spacer for right side to balance the grid */
    .nav-wrapper::after {
        content: '';
        order: 3;
        width: 41px; /* Same width as hamburger button */
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px;
        gap: 20px;
        transition: var(--transition);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        order: 4;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        margin-top: 10px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .why-choose-image {
        order: -1;
    }

    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

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

    .section-title {
        font-size: 1.75rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}