/* CSS Variables for Premium Design */
:root {
    --primary: #1E293B; /* Slate 800 */
    --primary-light: #334155;
    --accent: #D97706; /* Amber 600 */
    --accent-hover: #B45309;
    --text-main: #334155;
    --text-muted: #64748B;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-dark: #0F172A;
    --whatsapp: #25D366;
    --whatsapp-hover: #128C7E;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.text-white { color: #fff; }
.text-center { text-align: center; }
.text-primary { color: var(--accent) !important; }

.subtitle {
    display: inline-block;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

h1, h2, h3, h4 {
    color: var(--primary);
    line-height: 1.2;
    font-weight: 700;
}

.bg-dark h2, .bg-dark h3, .bg-dark h4 {
    color: #fff;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.bg-dark p { color: #cbd5e1; }

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    box-shadow: var(--shadow-md);
}

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

.btn-whatsapp {
    background-color: var(--whatsapp);
    color: #fff;
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--primary);
}

.btn-block {
    width: 100%;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--whatsapp);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: var(--whatsapp-hover);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition);
}

.logo a span {
    color: var(--accent);
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

header.scrolled .nav-links a {
    color: var(--text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
}

header.scrolled .mobile-menu-btn {
    color: var(--primary);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #fff;
    z-index: 90;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: var(--transition);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-menu a {
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('images/hero_bg.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-text {
    max-width: 700px;
}

.hero h1 {
    color: #fff;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    color: #e2e8f0;
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Trust Bar */
.trust-bar {
    background-color: #fff;
    padding: 3rem 0;
    margin-top: -3rem;
    position: relative;
    z-index: 20;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.trust-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    border-right: 1px solid #e2e8f0;
}

.trust-item:last-child {
    border-right: none;
}

.trust-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
    color: var(--primary);
}

.trust-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease, border-color 0.35s ease;
    border: 1px solid #f1f5f9;
    cursor: pointer;
}

.service-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 36px -8px rgb(0 0 0 / 0.15), 0 6px 12px -4px rgb(0 0 0 / 0.08);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.portfolio-item {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img {
    height: 250px;
    overflow: hidden;
}

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

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

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.portfolio-content p {
    margin: 0;
    font-size: 0.95rem;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
    background-color: #e2e8f0;
}

.placeholder-photo {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
}

.placeholder-photo i {
    font-size: 5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-methods {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.method-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
}

.method-text h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.method-text a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

.method-text a:hover {
    color: var(--accent);
}

.method-text p {
    margin: 0;
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background-color: #fff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    color: var(--text-main);
}

.contact-form h3 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f8fafc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-note {
    margin-top: 1rem;
    font-size: 0.75rem;
    text-align: center;
}

/* Footer */
footer {
    background-color: #020617;
    color: #94a3b8;
    padding: 3rem 0;
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
}

.footer-logo a span {
    color: var(--accent);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.75rem; }
    .trust-container { grid-template-columns: 1fr; gap: 1.5rem; }
    .trust-item { border-right: none; border-bottom: 1px solid #e2e8f0; padding-bottom: 1.5rem; }
    .trust-item:last-child { border-bottom: none; padding-bottom: 0; }
    .trust-bar { padding: 2rem; margin-top: -2rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-image { order: -1; }
}

@media (max-width: 768px) {
    .nav-links, .header-cta { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-buttons { flex-direction: column; }
    .contact-form-wrapper { padding: 2rem; }
    .hero h1 { font-size: 2.25rem; }
}