/* 
   Web Solutions - Modern Agency Website 
   Design System & Main Styles
*/

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;700;800&display=swap');

:root {
    /* Colors */
    --primary-color: #0ea5e9;
    /* Cyan-500 */
    --primary-dark: #0284c7;
    --secondary-color: #0f172a;
    /* Deep Navy */
    --accent-color: #ef4444;
    /* Red-500 */
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #0ea5e9 100%);

    /* Spacing */
    --section-padding: 5rem 1rem;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--secondary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: var(--section-padding);
}

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

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

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

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
}

.btn-accent {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(249, 115, 22, 0.39);
}

.btn-accent:hover {
    background-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.23);
}

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

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

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- Header & Nav --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    letter-spacing: -0.5px;
}

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

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

.nav-links li a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.nav-links li a:hover {
    color: var(--primary-color);
}

.nav-btn .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* --- Hero Section --- */
.hero {
    padding: 8rem 0 5rem;
    display: flex;
    align-items: center;
    min-height: 90vh;
    background: var(--bg-light);
    background-image: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(249, 115, 22, 0.05) 0%, transparent 20%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: -webkit-linear-gradient(135deg, #0f172a 0%, #0ea5e9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero-image-container {
    flex: 1;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

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

.delay-300 {
    animation-delay: 0.3s;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform var(--transition-fast);
        z-index: -1;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .mobile-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
    }

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

    .button-group {
        justify-content: center;
    }
}

/* --- About Section --- */
.about-grid {
    display: grid;
    gap: 3rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
}

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

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--bg-light);
    transition: 0.5s ease;
    z-index: -1;
    border-radius: 20px;
    /* match parent */
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* --- Why Us Section --- */
.why-us {
    background: var(--gradient-hero);
    color: white;
    position: relative;
}

.why-us h2 {
    color: white;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.why-item h3 {
    color: white;
    margin-bottom: 0.5rem;
}

/* --- Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.client-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.client-role {
    font-size: 0.85rem;
    color: var(--text-light);
    display: block;
    margin-top: 0.2rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.stars {
    color: #fbbf24;
    /* Amber-400 */
}

/* --- Contact Page Styles --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: start;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.info-item h4 {
    margin-bottom: 0.2rem;
    color: var(--secondary-color);
}

.info-item p {
    color: var(--text-light);
}

.contact-form-container {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

/* --- Contact & Footer --- */
.footer {
    background-color: #0b1120;
    /* Deep Navy Background */
    color: #f8fafc;
    padding-top: 4rem;
    padding-bottom: 2rem;
    font-size: 0.95rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer a {
    color: #e2e8f0;
    display: block;
    margin-bottom: 0.5rem;
}

.footer a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    transition: 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    padding-left: 0;
    /* Override default interaction */
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

/* --- Floating Buttons --- */
.floating-btn {
    position: fixed;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.floating-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    color: white;
}

.whatsapp-btn {
    bottom: 90px;
    background-color: #25d366;
}

.back-to-top {
    bottom: 20px;
    background-color: var(--primary-color);
    opacity: 0;
    visibility: hidden;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}