/* Global Styles - Enhanced for ATIR website consistency and responsiveness */
:root {
    --primary-color: #4e46dc;
    --primary-light: #7873e3;
    --primary-dark: #3a32b8;
    --secondary-color: #ff6b6b;
    --accent-color: #4ecdc4;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-bg-hover: rgba(30, 41, 59, 0.8);
    --muted: #6b7280;
    --shadow-soft: 0 4px 15px rgba(2, 6, 23, 0.1);
    --shadow-medium: 0 8px 30px rgba(106, 90, 205, 0.15);
    --shadow-strong: 0 12px 50px rgba(106, 90, 205, 0.2);
    --gap-xs: 0.5rem;
    --gap-sm: clamp(0.5rem, 1.5vw, 1rem);
    --gap-md: clamp(1rem, 2vw, 2rem);
    --gap-lg: clamp(2rem, 3vw, 3rem);
    --gap-xl: clamp(3rem, 4vw, 4rem);
    --border-radius: clamp(8px, 1.5vw, 12px);
    --border-radius-lg: clamp(12px, 2vw, 20px);
    --z-index-header: 1000;
    --z-index-banner: 900;
    --z-index-modal: 1100;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: clamp(60px, 10vh, 80px);
}

body {
    font-family: 'Geist', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
    color: var(--text-primary);
    line-height: 1.6;
    font-size: relative-size ;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;

}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Page Indicator */
body.page-home::before,
body.page-about::before,
body.page-solutions::before,
body.page-success-stories::before,
body.page-blog::before,
body.page-media::before,
body.page-careers::before,
body.page-investors::before,
body.page-contact::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--transition);
    z-index: var(--z-index-header);
}

body.page-loaded::before {
    transform: scaleX(1);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Geist', sans-serif;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp 0.6s var(--transition) forwards;
}

h1 { font-size: clamp(2rem, 6vw, 4rem); font-weight: 800; animation-delay: 0.2s; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 5vw, 2.5rem); font-weight: 700; animation-delay: 0.3s; }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 600; animation-delay: 0.4s; }
h4 { font-size: clamp(1rem, 2.5vw, 1.2rem); font-weight: 600; animation-delay: 0.5s; }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

a:hover {
    color: var(--accent-color);
}

a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
    border-radius: var(--border-radius);
}

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

/* Container */
.container {
    width: clamp(80%, 90vw, 95%);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--gap-lg) 0;
}

/* Gradient Text */
.gradient-text, .dynamic-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    animation: gradientFlow 6s ease infinite;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(1rem, 2vw, 1.5rem);
    border-radius: var(--border-radius);
    font-family: 'Geist', sans-serif;
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    min-width: clamp(100px, 20vw, 140px);
    touch-action: manipulation;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.4s var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    border: none;
    box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

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

.btn.secondary:hover {
    background: rgba(78, 70, 220, 0.1);
    transform: translateY(-3px);
}

.btn-magnetic {
    position: relative;
    overflow: hidden;
}

.btn-magnetic:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 2vw, 1rem) 5%;
    background: var(--card-bg);
    position: sticky;
    top: 0;
    z-index: var(--z-index-header);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideDownReveal 0.6s var(--transition);
    min-height: clamp(60px, 10vh, 80px);
}

@keyframes slideDownReveal {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 1vw, 0.5rem);
}

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

.logo img {
    width: clamp(40px, 6vw, 60px);
    height: auto;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

.logo .gradient-text {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 700;
}

nav ul {
    display: flex;
    list-style: none;
    gap: clamp(0.75rem, 2vw, 1.5rem);
    align-items: center;
    margin-left: auto;
}

nav ul li a {
    color: var(--text-secondary);
    padding: clamp(0.25rem, 1vw, 0.5rem) clamp(0.5rem, 1.5vw, 1rem);
    font-size: clamp(0.875rem, 2vw, 1rem);
    transition: var(--transition);
    border-radius: var(--border-radius);
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 70%;
}

nav ul li a.active {
    color: var(--text-primary);
    background: rgba(78, 70, 220, 0.1);
}

/* Mobile Navigation */
.hamburger {
    display: none;
    flex-direction: column;
    gap: clamp(0.2rem, 0.5vw, 0.3rem);
    cursor: pointer;
    z-index: var(--z-index-header);
    background: transparent;
    border: none;
    width: clamp(24px, 5vw, 30px);
    height: clamp(24px, 5vw, 30px);
}

.hamburger span {
    width: 100%;
    height: clamp(2px, 0.5vw, 3px);
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(clamp(4px, 1vw, 5px), clamp(4px, 1vw, 5px));
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(clamp(5px, 1.2vw, 6px), clamp(-5px, -1.2vw, -6px));
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: clamp(60%, 80vw, 80%);
        height: 100vh;
        background: var(--card-bg);
        padding: clamp(1rem, 2vw, 1.5rem);
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        box-shadow: var(--shadow-medium);
        flex-direction: column;
        gap: clamp(0.5rem, 1.5vw, 1rem);
        backdrop-filter: blur(10px);
        overflow-y: auto;
        z-index: 1000;
        transition: right 0.3s ease-in-out;
    }

    nav ul.active {
        display: flex;
        right: 0;
        animation: menuExpand 0.4s var(--transition);
    }

    @keyframes menuExpand {
        from { transform: translateX(20px); opacity: 0; }
        to { transform: translateX(0); opacity: 1; }
    }

    nav ul li {
        text-align: right;
    }

    nav ul li a {
        display: block;
        padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(0.75rem, 2vw, 1rem);
        font-size: clamp(1rem, 2.5vw, 1.2rem);
        color: var(--text-primary);
    }

    .hamburger {
        display: flex;
    }
}

/* AI Banner */
.ai-banner {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: clamp(0.4rem, 1vw, 0.5rem) clamp(0.8rem, 2vw, 1.2rem);
    color: var(--text-primary);
    font-weight: 500;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    gap: clamp(0.3rem, 1vw, 0.5rem);
    border-radius: 0 0 8px 8px;
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    z-index: var(--z-index-banner);
    transition: transform 0.3s var(--transition);
    backdrop-filter: blur(10px);
}

body:hover .ai-banner, .ai-banner:hover {
    transform: translateX(-50%) translateY(0);
}

.ai-banner::before {
    content: "⚡";
    font-size: clamp(0.8rem, 2vw, 1rem);
}

/* Footer */
.footer {
    padding: var(--gap-lg) 5%;
    background: var(--bg-darker);
    margin-top: var(--gap-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    min-height: fit-content;
    position: sticky;
    justify-content: space-between;
    display: flex;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
  footer {
    flex-direction: column;
    align-items: center;
  }
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-sm);
    margin-bottom: var(--gap-lg);
}

.footer-logo img {
    width: clamp(40px, 6vw, 60px);
    height: auto;
    transition: var(--transition);
}

.footer-logo img:hover {
    transform: scale(1.05);
}

.footer-description {
    font-family: 'Geist', sans-serif;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--text-secondary);
    max-width: clamp(400px, 50vw, 600px);
    margin: 0.5rem auto 1rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: clamp(0.5rem, 1.5vw, 1rem);
    margin-bottom: var(--gap-md);
}

.footer-social a i, .footer-social a img {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--text-primary);
    width: clamp(20px, 5vw, 24px);
    height: clamp(20px, 5vw, 24px);
    transition: var(--transition);
}

.footer-social a:hover i, .footer-social a:hover img {
    color: var(--accent-color);
    transform: scale(1.2);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--gap-xs);
    margin-top: var(--gap-sm);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--gap-xs);
    color: var(--text-secondary);
}

.footer-contact a {
    color: var(--accent-color);
    transition: var(--transition);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(120px, 20vw, 160px), 1fr));
    gap: var(--gap-md);
    margin: var(--gap-md) 0;
}

.footer-column h4 {
    font-family: 'Geist', sans-serif;
    color: var(--text-primary);
    margin-bottom: var(--gap-sm);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: var(--gap-xs);
}

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    font-family: 'Geist Mono', monospace;
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    color: var(--text-tertiary);
    padding-top: var(--gap-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s var(--transition), transform 0.5s var(--transition);
}

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

/* Loading Spinner */
.loading {
    display: inline-block;
    width: clamp(16px, 4vw, 20px);
    height: clamp(16px, 4vw, 20px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s var(--transition) infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    width: 100%;
    height: auto;
}

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

.feature-card-inner {
    padding: var(--gap-md);
    text-align: center;
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--gap-md);
    position: relative;
    transition: var(--transition);
    width: 100%;
}

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

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    border-radius: 50%;
    animation: float 12s infinite linear;
}

.shape:nth-child(1) {
    width: clamp(40px, 10vw, 60px);
    height: clamp(40px, 10vw, 60px);
    top: 15%;
    left: 10%;
    animation-duration: 14s;
}

.shape:nth-child(2) {
    width: clamp(60px, 15vw, 90px);
    height: clamp(60px, 15vw, 90px);
    top: 65%;
    left: 80%;
    animation-duration: 16s;
}

.shape:nth-child(3) {
    width: clamp(30px, 8vw, 50px);
    height: clamp(30px, 8vw, 50px);
    top: 40%;
    left: 60%;
    animation-duration: 10s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(clamp(10px, 2vw, 15px), clamp(20px, 4vw, 30px)) rotate(90deg); }
    50% { transform: translate(0, clamp(40px, 8vw, 60px)) rotate(180deg); }
    75% { transform: translate(clamp(-10px, -2vw, -15px), clamp(20px, 4vw, 30px)) rotate(270deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

/* Accessibility: Light Theme */
@media (prefers-color-scheme: light) {
    body { background: #f8fafc; color: #1e293b; }
    .card, .feature-card, .testimonial-card { background: rgba(255, 255, 255, 0.9); }
    header { background: rgba(255, 255, 255, 0.9); }
    .footer { background: #f1f5f9; }
}

/* Print Styles */
@media print {
    header, .footer, .ai-banner, .floating-shapes { display: none; }
    body { background: white; color: black; }
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .container { max-width: 1000px; }
}

@media (max-width: 900px) {
    .container { width: 95%; }
    .footer-links { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    :root {
        --gap-md: clamp(0.75rem, 2vw, 1.5rem);
        --gap-lg: clamp(1.5rem, 3vw, 2.5rem);
        --gap-xl: clamp(2rem, 4vw, 3rem);
    }
    h1 { font-size: clamp(1.5rem, 5vw, 2.5rem); }
    h2 { font-size: clamp(1.2rem, 4vw, 2rem); }
    .logo img { width: clamp(40px, 6vw, 60px); }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: clamp(10px, 2vw, 20px);
    right: clamp(10px, 2vw, 20px);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    padding: clamp(8px, 1.5vw, 10px) clamp(16px, 3vw, 20px);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    border-radius: var(--border-radius);
    background: var(--primary-color);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    transition: opacity 0.3s ease, visibility 0s linear 0s;
}

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