/*
Theme Name: Mystefo Digital
Theme URI: https://mystefo.com/
Author: Mystefo Team
Description: A premium digital marketing agency theme with modern design.
Version: 2.0.0
Text Domain: mystefo-digital
*/

/* ============================================
   DESIGN SYSTEM & VARIABLES
   ============================================ */
:root {
    /* Color Palette */
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --secondary: #7c3aed;
    --accent: #e11d48;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic */
    --background: var(--gray-50);
    --surface: var(--white);
    --text: var(--gray-900);
    --text-muted: var(--gray-600);
    --border: var(--gray-200);

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 6rem;
    --card-padding: 2rem;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    /* Shadows */
    --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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
}

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

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding) 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.logo,
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 800;
}

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

/* Navigation */
.main-navigation .nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation .nav-menu>li>a {
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.5rem 0;
    position: relative;
}

.main-navigation .nav-menu>li>a:hover {
    color: var(--primary);
}

.main-navigation .nav-menu>li>a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.main-navigation .nav-menu>li>a:hover::after {
    width: 100%;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 200px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    list-style: none;
    padding: 0.5rem 0;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.dropdown-menu li a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(79, 70, 229, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

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

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header p {
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--card-padding);
    transition: all var(--transition-base);
    display: block;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card h3 {
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.learn-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--gray-900);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--gray-400);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-main {
    padding: 5rem 0 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-tagline {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-nav h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-nav ul {
    list-style: none;
}

.footer-nav ul li {
    margin-bottom: 0.75rem;
}

.footer-nav ul li a:hover {
    color: var(--white);
}

.footer-contact p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer-contact a {
    color: var(--gray-400);
}

.footer-contact a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--white);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }

    .main-navigation,
    .header-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-brand {
        max-width: 100%;
    }

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

/* ============================================
   GLASS UTILITY (Backward Compat)
   ============================================ */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}