:root {
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --accent-color: #f59e0b;
    --accent-hover: #d97706;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --navbar-bg: rgba(15, 23, 42, 0.85);
    --card-border: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
    --primary-bg: #f8fafc;
    --secondary-bg: #e2e8f0;
    --accent-color: #d97706;
    --accent-hover: #b45309;
    --text-main: #0f172a;
    --text-muted: #475569;
    --navbar-bg: rgba(248, 250, 252, 0.9);
    --card-border: rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg);
    color: var(--text-main);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

/* Typography Utilities */
p {
    color: var(--text-muted);
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(245, 158, 11, 0.1);
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--secondary-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.theme-toggle:hover {
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.hammer-icon {
    font-size: 1.8rem;
    animation: hammerStrike 2s infinite alternate;
    transform-origin: bottom right;
}

@keyframes hammerStrike {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(-20deg); }
    20% { transform: rotate(10deg); }
    30% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:not(.btn-primary) {
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition-smooth);
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: radial-gradient(circle at center, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    animation: rotateBg 20s linear infinite;
    z-index: 0;
}

@keyframes rotateBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--accent-color);
    display: block;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services */
.services {
    padding: 6rem 5%;
    background-color: var(--primary-bg);
}

.services h2, .about h2, .contact h2, .reviews h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.services h2::after, .about h2::after, .contact h2::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 25%;
    border-radius: 2px;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background-color: var(--secondary-bg);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

/* About Section */
.about {
    padding: 6rem 5%;
    background-color: var(--secondary-bg);
}

.about-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.about-text {
    max-width: 800px;
    text-align: center;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    text-align: left;
}

.feature-list li {
    font-weight: 500;
    color: var(--text-main);
}

/* Contact Section */
.contact {
    padding: 6rem 5%;
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: var(--secondary-bg);
    color: var(--text-main);
    font-family: var(--font-body);
    transition: var(--transition-smooth);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

/* Reviews Section */
.reviews {
    padding: 6rem 5%;
    background-color: var(--primary-bg);
    text-align: center;
}

.reviews-subtitle {
    margin-top: 0.5rem;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.review-card {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border-radius: 16px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.review-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.stars {
    color: var(--accent-color);
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.review-text {
    font-style: italic;
    line-height: 1.7;
    flex: 1;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.reviewer-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
    font-family: var(--font-heading);
}

.reviewer strong {
    display: block;
    color: var(--text-main);
    font-size: 0.95rem;
}

.reviewer span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 2rem 5%;
    text-align: center;
    background-color: var(--secondary-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    z-index: 9999;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #1ebe57;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 28px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; } /* Simplified for mobile */
    .feature-list { grid-template-columns: 1fr; }
}