/* 
   Ads2U - Global Styles 
   Premium Agency Design System (Apple/Samsung Inspired)
*/

:root {
    /* Color Palette - Deep Premium Navy */
    --color-bg: #02040a;
    /* Almost black navy */
    --color-bg-alt: #0a0e17;
    /* Slightly lighter for cards */
    --color-text-main: #ffffff;
    --color-text-muted: #a1a1aa;
    --color-accent-blue: #2997ff;
    /* Apple-style blue */
    --color-accent-glow: rgba(41, 151, 255, 0.6);
    --color-border: rgba(255, 255, 255, 0.1);

    /* Typography - Clean & Big */
    --font-heading: 'SF Pro Display', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'SF Pro Text', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 5rem;
    --spacing-xl: 10rem;

    /* UI Elements */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(41, 151, 255, 0.3);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    /* Apple-style ease */
    --transition: 0.4s var(--ease-out);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-main);
}

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

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons - Premium Pills */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    letter-spacing: -0.01em;
}

.btn-primary {
    background-color: var(--color-text-main);
    color: #000;
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.02);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(2, 4, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 1.2rem 0;
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-main);
}

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

/* Hero Section - Split Layout */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #0f172a 0%, #02040a 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
    line-height: 1.6;
}

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

/* Abstract Background Glows */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(41, 151, 255, 0.15) 0%, transparent 70%);
    filter: blur(80px);
    z-index: 0;
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.trust-bar {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.02);
}

.trust-grid {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    color: var(--color-text-muted);
    font-weight: 500;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* Footer */
footer {
    background: #000;
    padding: var(--spacing-lg) 0 2rem;
    border-top: 1px solid var(--color-border);
}

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

.footer-col h4 {
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #fff;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* Components - Cards */
.card {
    background: var(--color-bg-alt);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-soft);
}

.service-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
}

/* Floating Elements */
.floating-card {
    position: absolute;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
    z-index: 3;
}

.card-2 {
    bottom: 10%;
    right: 5%;
    width: 220px;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Responsive */
@media (max-width: 968px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-content {
        margin: 0 auto;
        order: 1;
        /* Text first */
    }

    .hero-visual {
        order: 2;
        /* Image second */
        height: auto;
    }

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

    .abstract-shape {
        width: 300px;
        height: 450px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Mobile menu logic same as before */
    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: 120px;
        min-height: auto;
        padding-bottom: 4rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}



}