/* ========================================
   Cosmic Enterprises - Professional CSS
   Elevator Business Website Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --color-gold: #D4A843;
    --color-gold-light: #F4D03F;
    --color-gold-dark: #B8860B;
    
    /* Navy/Dark Colors */
    --color-navy: #1a2744;
    --color-navy-light: #2c3e5a;
    --color-navy-dark: #0f1829;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Background & Text */
    --bg-primary: var(--color-white);
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-600);
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Section Padding */
.section-padding {
    padding: var(--section-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.text-gold {
    color: var(--color-gold);
}

.text-navy {
    color: var(--color-navy);
}

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

.text-left {
    text-align: left;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    text-transform: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-navy);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--color-gold-dark) 0%, var(--color-gold) 100%);
    box-shadow: 0 10px 30px rgba(212, 168, 67, 0.35);
}

.btn-outline-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-navy);
}

.btn-white:hover {
    background: var(--color-gray-100);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.w-full {
    width: 100%;
}

/* CTA Button Animation */
.cta-button {
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 39, 68, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(26, 39, 68, 0.98);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 22px;
    color: var(--color-white);
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
}

.logo-highlight {
    color: var(--color-gold);
}

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

.nav-link {
    color: var(--color-gray-300);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: 8px;
}

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

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 50%, var(--color-navy-light) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('images/hero-elevator.png') center/cover no-repeat;
    opacity: 0.08;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 168, 67, 0.15);
    border: 1px solid rgba(212, 168, 67, 0.3);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gold-light);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-gray-300);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 28px 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

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

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--color-gold);
    font-family: 'Poppins', sans-serif;
}

.stat-label {
    font-size: 13px;
    color: var(--color-gray-400);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    object-fit: cover;
}

.hero-image-border {
    position: absolute;
    inset: -10px;
    border: 2px solid rgba(212, 168, 67, 0.3);
    border-radius: 26px;
    z-index: -1;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
    fill: var(--color-white);
}

/* ========================================
   SECTION HEADERS
   ======================================== */

.section-header {
    margin-bottom: 56px;
}

.section-badge {
    display: inline-block;
    background: rgba(212, 168, 67, 0.1);
    color: var(--color-gold-dark);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--color-navy);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

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

.services-section {
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card {
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(212, 168, 67, 0.15);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    color: var(--color-white);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-gold);
    color: var(--color-navy);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.bg-gold {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
}

.bg-gold-10 {
    background: rgba(212, 168, 67, 0.1);
}

.service-icon {
    color: var(--color-gold);
}

.service-card.featured .service-icon {
    color: var(--color-navy);
}

.service-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-navy);
}

.service-card.featured .service-title {
    color: var(--color-white);
}

.service-description {
    font-size: 15px;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card.featured .service-description {
    color: rgba(255, 255, 255, 0.8);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-gray-600);
}

.service-features li svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.85);
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about-section {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.experience-badge {
    position: absolute;
    bottom: -25px;
    right: -25px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-navy);
    padding: 24px 28px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(212, 168, 67, 0.35);
}

.experience-number {
    display: block;
    font-size: 42px;
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
    line-height: 1;
}

.experience-text {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-content .section-badge {
    display: inline-block;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-text {
    font-size: 16px;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    background: rgba(212, 168, 67, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-gold);
}

.about-feature h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 14px;
    color: var(--color-gray-500);
}

.mt-8 {
    margin-top: 32px;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */

.projects-section {
    background: var(--color-gray-50);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.project-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/11;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 39, 68, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info {
    padding: 24px;
}

.project-category {
    display: inline-block;
    background: rgba(212, 168, 67, 0.1);
    color: var(--color-gold-dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--color-gray-500);
    margin-bottom: 10px;
}

.project-location svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

.project-desc {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ========================================
   PARTNERS SECTION
   ======================================== */

.partners-section {
    background: var(--color-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--color-gray-50);
    border-radius: 12px;
    transition: all 0.3s ease;
    filter: grayscale(100%) opacity(0.6);
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.partner-box {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    font-family: 'Poppins', sans-serif;
}

/* ========================================
   WHY CHOOSE US SECTION
   ======================================== */

.why-us-section {
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
    color: var(--color-white);
}

.why-us-section .section-badge {
    background: rgba(212, 168, 67, 0.15);
    color: var(--color-gold-light);
}

.why-us-section .section-title {
    color: var(--color-white);
}

.why-us-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.why-us-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.why-us-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: rgba(212, 168, 67, 0.3);
}

.why-us-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-navy);
}

.why-us-card h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--color-white);
}

.why-us-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

.contact-section {
    background: var(--color-gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-heading {
    font-size: 28px;
    color: var(--color-navy);
    margin-bottom: 16px;
}

.contact-text {
    font-size: 16px;
    color: var(--color-gray-500);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-navy);
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--color-gray-500);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--color-gray-200);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--color-white);
    color: var(--color-gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 44px;
}

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

.footer {
    background: var(--color-navy-dark);
    color: var(--color-white);
    position: relative;
    padding-top: 0;
}

.footer-wave {
    line-height: 0;
    margin-bottom: -2px;
}

.footer-wave svg {
    width: 100%;
    height: 80px;
    fill: var(--color-navy-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding: 64px 0 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.footer-description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--color-gold);
    color: var(--color-navy);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-white);
}

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

.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    transition: all 0.3s ease;
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 16px;
}

.footer-contact-item svg {
    color: var(--color-gold);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
    color: var(--color-gold);
}

/* ========================================
   SCROLL TO TOP BUTTON
   ======================================== */

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-navy);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(212, 168, 67, 0.35);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(212, 168, 67, 0.5);
}

/* ========================================
   ANIMATIONS
   ======================================== */

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

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

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

.animation-delay-200 {
    animation-delay: 0.2s;
    opacity: 0;
}

.animation-delay-400 {
    animation-delay: 0.4s;
    opacity: 0;
}

.animation-delay-600 {
    animation-delay: 0.6s;
    opacity: 0;
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-dark);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-navy);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 0;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-image {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .experience-badge {
        bottom: 20px;
        right: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-stats {
        padding: 20px;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 15px;
    }
    
    .card {
        padding: 24px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}