/* ============================================
   SOLOI LTD - DESIGN SYSTEM & STYLES
   Modern, Premium IT & Telecom Consultancy
   ============================================ */

/* ============================================
   GOOGLE FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* Color Palette - Soloi Ltd Brand Colors */
    --color-brand-yellow: #FCB711;
    --color-brand-orange: #F37021;
    --color-brand-magenta: #CC004C;
    --color-brand-purple: #6460AA;
    --color-brand-blue: #0089D0;
    --color-brand-green: #0DB14B;

    /* Primary Color (Blue) */
    --color-primary-900: #005a8d;
    --color-primary-800: #006ba3;
    --color-primary-700: #007ab8;
    --color-primary-600: #0089D0;
    --color-primary-500: #0089D0;
    --color-primary-400: #33a0da;
    --color-primary-300: #66b7e4;
    --color-primary-50: #e6f5fb;

    /* Secondary Color (Purple) */
    --color-secondary-600: #4d4985;
    --color-secondary-500: #6460AA;
    --color-secondary-400: #8380bb;

    /* Accent Colors */
    --color-accent-orange: #F37021;
    --color-accent-magenta: #CC004C;
    --color-accent-green: #0DB14B;
    --color-accent-yellow: #FCB711;

    --color-neutral-900: #0f172a;
    --color-neutral-800: #1e293b;
    --color-neutral-700: #334155;
    --color-neutral-600: #475569;
    --color-neutral-500: #64748b;
    --color-neutral-400: #94a3b8;
    --color-neutral-300: #cbd5e1;
    --color-neutral-200: #e2e8f0;
    --color-neutral-100: #f1f5f9;
    --color-neutral-50: #f8fafc;

    --color-white: #ffffff;
    --color-black: #000000;

    --color-success: #0DB14B;
    --color-warning: #FCB711;
    --color-error: #CC004C;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-brand-blue) 0%, var(--color-brand-purple) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-brand-orange) 0%, var(--color-brand-magenta) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-brand-blue) 0%, var(--color-brand-purple) 50%, var(--color-brand-magenta) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 137, 208, 0.95) 0%, rgba(100, 96, 170, 0.9) 100%);
    --gradient-vibrant: linear-gradient(135deg, var(--color-brand-orange) 0%, var(--color-brand-yellow) 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(0, 137, 208, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(100, 96, 170, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(204, 0, 76, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(243, 112, 33, 0.1) 0px, transparent 50%);

    /* Typography */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing System (8px base) */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 2.5rem;
    --space-6: 3rem;
    --space-8: 4rem;
    --space-10: 5rem;
    --space-12: 6rem;
    --space-16: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(0, 137, 208, 0.5);
    --shadow-glow-accent: 0 0 30px rgba(243, 112, 33, 0.6);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-modal: 2000;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-neutral-800);
    background-color: var(--color-neutral-50);
    background-image: var(--gradient-mesh);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--font-size-5xl);
    letter-spacing: -0.03em;
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-700);
}

ul,
ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-4);
}

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.section {
    padding: var(--space-12) 0;
    position: relative;
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

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

.mb-4 {
    margin-bottom: var(--space-4);
}

.p-6 {
    padding: var(--space-6);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.bg-white {
    background-color: var(--color-white);
}

/* Color Utilities */
.bg-brand-blue-light {
    background-color: rgba(0, 137, 208, 0.05);
}

.bg-brand-purple-light {
    background-color: rgba(100, 96, 170, 0.05);
}

.bg-brand-orange-light {
    background-color: rgba(243, 112, 33, 0.05);
}

.text-brand-blue {
    color: var(--color-brand-blue);
}

.text-brand-purple {
    color: var(--color-brand-purple);
}

.text-brand-orange {
    color: var(--color-brand-orange);
}

.text-brand-magenta {
    color: var(--color-brand-magenta);
}

.text-brand-green {
    color: var(--color-brand-green);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-3) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: var(--color-neutral-200);
    box-shadow: var(--shadow-sm);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
    letter-spacing: 0.02em;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 137, 208, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 137, 208, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--color-neutral-200);
    color: var(--color-neutral-700);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: var(--color-white);
    border-color: var(--color-primary-300);
    color: var(--color-primary-600);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(243, 112, 33, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(243, 112, 33, 0.4);
    filter: brightness(1.1);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: var(--space-16) 0 var(--space-12);
    background: transparent;
    color: var(--color-neutral-900);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   CARDS & COMPONENTS
   ============================================ */
.service-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-glass);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.15);
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.9);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::before {
    opacity: 1;
}

.stat-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-label {
    color: var(--color-neutral-600);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm);
}

/* Feature List */
.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.feature-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 137, 208, 0.2);
}

.feature-content h4 {
    margin-bottom: var(--space-1);
    font-size: var(--font-size-lg);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    border-radius: var(--radius-2xl);
    margin: var(--space-12) var(--space-4);
    padding: var(--space-12) var(--space-6);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-xl);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

/* Footer */
.footer {
    background: var(--color-neutral-900);
    color: var(--color-white);
    padding: var(--space-12) 0 var(--space-6);
    margin-top: var(--space-12);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-link {
    color: var(--color-neutral-400);
    transition: color var(--transition-fast);
}

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

/* Forms */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.8);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 4px var(--color-primary-50);
    background: var(--color-white);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (max-width: 768px) {

    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .nav-menu {
        display: none;
    }

    /* Mobile menu implementation needed */
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero {
        padding-top: 100px;
    }

    .cta-section {
        margin: var(--space-8) var(--space-2);
        padding: var(--space-8) var(--space-4);
        border-radius: var(--radius-xl);
    }
}

/* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-glass);
    padding: var(--space-4);
    z-index: var(--z-modal);
    transform: translateY(150%);
    animation: slideUp 0.5s ease-out forwards;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.cookie-text h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-1);
    color: var(--color-brand-blue);
}

.cookie-text p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
}

.cookie-buttons {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.cookie-banner.fade-out {
    animation: slideDown 0.5s ease-in forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(150%);
    }

    to {
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(150%);
    }
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }

    .cookie-banner {
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
}

/* ============================================
   SPAM PROTECTION
   ============================================ */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-neutral-200);
}

.checkbox-input {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-brand-blue);
}

.checkbox-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-700);
    cursor: pointer;
    user-select: none;
}