/* ============================================
   ELmasry.DEV - Premium Global Styles
   Elegant | Smooth | Professional
   ============================================ */

:root {
    /* Dark theme — matches hero (#030304 + cyan glow) */
    --color-bg: #030304;
    --color-bg-dark: #050810;
    --color-surface: #0a1018;
    --color-surface-alt: #080c14;
    --color-surface-elevated: #0f1623;
    --color-heading: #f8fafc;
    --color-text: #e2e8f0;
    --color-text-light: rgba(226, 232, 240, 0.72);
    --color-text-muted: rgba(148, 163, 184, 0.85);
    --color-border: rgba(0, 210, 255, 0.14);
    --color-accent: #00D2FF;
    --color-accent-light: #66E8FF;
    --color-accent-dark: #0077B6;
    --color-accent-deep: #003366;
    --color-accent-glow: rgba(0, 210, 255, 0.35);
    --color-black: #030304;
    --color-white: #FFFFFF;
    --gradient-brand: linear-gradient(135deg, #0077B6 0%, #00D2FF 50%, #99EEFF 100%);
    --gradient-section: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-dark) 100%);
    --gradient-hero-glow: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0, 210, 255, 0.09) 0%, transparent 55%);
    
    /* Shadows */
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(0, 210, 255, 0.12);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Space Grotesk', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 7rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: cubic-bezier(0.34, 1.2, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    background-image: var(--gradient-hero-glow);
    background-attachment: fixed;
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-heading);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
}

p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-surface-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--color-heading);
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--color-text-light);
    max-width: 36rem;
    margin: 0 auto;
    line-height: 1.7;
}

.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
    padding: 0.4rem 1rem;
    border-radius: 40px;
    border: 1px solid var(--color-border);
    background: rgba(0, 210, 255, 0.06);
}

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

.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.7);
}

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

.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 10001;
    background: var(--gradient-brand);
    box-shadow: 0 0 12px var(--color-accent-glow);
    pointer-events: none;
}

/* ============================================
   Navigation Bar - Premium
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(3, 3, 4, 0.82);
    backdrop-filter: blur(14px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(3, 3, 4, 0.95);
    box-shadow: var(--shadow-md);
    border-bottom-color: rgba(0, 210, 255, 0.2);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.navbar-logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
}

.logo-text span {
    color: var(--color-accent);
    font-weight: 600;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.navbar-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast), background var(--transition-fast);
    position: relative;
    padding: 0.35rem 0.25rem;
    border-radius: 999px;
}

.navbar-menu a:hover {
    background: rgba(0, 210, 255, 0.08);
}

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

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--color-accent);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-cta {
    padding: 0.85rem 1.7rem;
    border-radius: 999px;
    font-size: 0.9rem;
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.16);
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.navbar-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-heading);
    border-radius: 999px;
    transition: all var(--transition-fast);
}


/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--color-black);
    border: 1px solid transparent;
    font-weight: 600;
}

.btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-heading);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-large {
    padding: 1rem 2.4rem;
    border-radius: 55px;
    font-size: 1rem;
}

.card {
    background: var(--color-surface);
    border-radius: 20px;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0, 210, 255, 0.35);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

[data-animate] {
    opacity: 0;
}

[data-animate].animated {
    animation: fadeInUp 0.8s var(--transition-bounce) forwards;
}

[data-animate="fadeIn"].animated {
    animation: fadeIn 0.6s ease forwards;
}

[data-animate="slideLeft"].animated {
    animation: slideInLeft 0.7s ease forwards;
}

[data-animate="slideRight"].animated {
    animation: slideInRight 0.7s ease forwards;
}

[data-animate="scaleIn"].animated {
    animation: scaleIn 0.5s ease forwards;
}

/* Delay classes */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-logo-img {
    height: 70px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-info {
    color: rgba(255, 255, 255, 0.85);
}

.footer-info h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.72);
    max-width: 22rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.75;
}

.footer-data {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-data li {
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.72);
}

.footer-data strong {
    color: var(--color-white);
    display: inline-block;
    min-width: 110px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    text-decoration: none;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-links a svg {
    width: 18px;
    height: 18px;
}

.social-links a:hover {
    transform: translateY(-3px);
}

.social-links a.facebook:hover {
    background: #1877F2;
    color: #FFFFFF;
}

.social-links a.twitter:hover {
    background: #1DA1F2;
    color: #FFFFFF;
}

.social-links a.linkedin:hover {
    background: #0A66C2;
    color: #FFFFFF;
}

.social-links a.github:hover {
    background: #181717;
    color: #FFFFFF;
}

.social-links a.instagram:hover {
    background: radial-gradient(circle at 30% 30%, #feda75, #d6249f 35%, #285AEB 70%);
    color: #FFFFFF;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.admin-link a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.8rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-actions {
        display: none;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-lg);
        transition: left var(--transition-base);
        z-index: 999;
    }
    
    .navbar-menu.active {
        left: 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ============================================
   Utilities
   ============================================ */
.glow-effect {
    transition: box-shadow var(--transition-base);
}

.glow-effect:hover {
    box-shadow: var(--shadow-glow);
}

.float-animation {
    animation: float 4s ease-in-out infinite;
}

/* scroll-progress — primary definition at top of file */