/* ===================================
   DIGITALX - MODERN DESIGN SYSTEM
   =================================== */

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

/* CSS Custom Properties - Design Tokens */
:root {
    /* Color Palette */
    --color-primary-900: #0F172A;
    --color-primary-800: #1E293B;
    --color-primary-700: #334155;
    --color-primary-600: #475569;

    --color-accent-600: #3B82F6;
    --color-accent-500: #60A5FA;
    --color-accent-400: #93C5FD;

    --color-purple-600: #8B5CF6;
    --color-purple-500: #A78BFA;

    --color-neutral-50: #F8FAFC;
    --color-neutral-100: #F1F5F9;
    --color-neutral-200: #E2E8F0;
    --color-neutral-300: #CBD5E1;
    --color-neutral-400: #94A3B8;
    --color-neutral-500: #64748B;
    --color-neutral-600: #475569;

    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0F172A 0%, #3B82F6 100%);
    --gradient-purple: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-mesh:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(139, 92, 246, 0.2) 0px, transparent 50%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.25rem);
    --text-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 3rem);
    --text-5xl: clamp(3rem, 2.4rem + 3vw, 3.75rem);
    --text-6xl: clamp(3.75rem, 3rem + 3.75vw, 4.5rem);

    /* Spacing System - 8px base */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.5rem;   /* 24px */
    --space-6: 2rem;     /* 32px */
    --space-8: 3rem;     /* 48px */
    --space-10: 4rem;    /* 64px */
    --space-12: 6rem;    /* 96px */
    --space-16: 8rem;    /* 128px */

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-primary-700);
    background-color: var(--color-neutral-50);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary-900);
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* Glass Morphism Utility */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-neutral-200);
    transition: all var(--transition-base);
}

.navbar.scrolled::before {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--space-8);
}

.nav-menu li a {
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-primary-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-base);
}

.nav-menu li a:hover {
    color: var(--color-accent-600);
}

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

.nav-menu li a.active {
    color: var(--color-accent-600);
}

.cta-button {
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-accent);
    color: white !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.cta-button::after {
    display: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-2);
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary-900);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 72px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-8) var(--space-4);
        gap: var(--space-5);
        align-items: flex-start;
        transition: right var(--transition-slow);
        box-shadow: var(--shadow-2xl);
    }

    .nav-menu.active {
        right: 0;
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-900);
    overflow: hidden;
    padding-top: var(--space-12);
}

/* Animated Gradient Mesh Background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    animation: meshMove 20s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes meshMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

/* Floating Particles */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(20px); }
}

.hero-content {
    position: relative;
    z-index: var(--z-base);
    text-align: center;
    max-width: 900px;
    padding: 0 var(--space-4);
}

.hero-title {
    font-size: var(--text-6xl);
    color: white;
    margin-bottom: var(--space-6);
    font-weight: 800;
    animation: fadeInUp 0.8s var(--transition-base);
    line-height: 1.1;
}

.hero-title span {
    background: linear-gradient(135deg, #60A5FA 0%, #A78BFA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-neutral-300);
    margin-bottom: var(--space-8);
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--transition-base) 0.2s both;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
    font-weight: 600;
    background: white;
    color: var(--color-accent-600);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    animation: fadeInUp 0.8s var(--transition-base) 0.4s both;
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

.hero-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.3);
}

.hero-visual {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    pointer-events: none;
}

.waveform {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.waveform svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: auto;
}

/* ===================================
   VALUE PROPOSITIONS
   =================================== */
.value-props {
    position: relative;
    padding: var(--space-12) 0;
    background: var(--color-neutral-50);
}

.prop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.prop-card {
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--transition-base);
    text-align: center;
}

.prop-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-accent-400);
}

.prop-icon {
    width: 64px;
    height: 64px;
    stroke: var(--color-accent-600);
    stroke-width: 1.5;
    margin: 0 auto var(--space-5);
    transition: all var(--transition-base);
}

.prop-card:hover .prop-icon {
    stroke: var(--color-purple-600);
    transform: scale(1.1);
}

.prop-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.prop-card p {
    color: var(--color-neutral-500);
    line-height: 1.7;
    margin-bottom: var(--space-2);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    padding: var(--space-16) 0;
    background: white;
}

.section-title {
    font-size: var(--text-5xl);
    text-align: center;
    margin-bottom: var(--space-12);
    font-weight: 800;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-16);
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item.reverse {
    direction: rtl;
}

.feature-item.reverse > * {
    direction: ltr;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    stroke: var(--color-accent-600);
    stroke-width: 2;
    margin-bottom: var(--space-5);
}

.feature-content h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-5);
}

.feature-content p {
    font-size: var(--text-lg);
    color: var(--color-neutral-500);
    line-height: 1.8;
}

.feature-visual {
    position: relative;
    background: linear-gradient(135deg, var(--color-neutral-100) 0%, white 100%);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--color-neutral-200);
    padding: var(--space-8);
}

.feature-visual img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.feature-visual::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.feature-item:hover .feature-visual::before {
    opacity: 0.1;
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    padding: var(--space-16) 0;
    background: var(--color-neutral-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.benefit-card {
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    text-align: center;
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-500);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    stroke: var(--color-accent-600);
    stroke-width: 1.5;
    margin: 0 auto var(--space-5);
}

.benefit-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.benefit-card p {
    color: var(--color-neutral-500);
    line-height: 1.6;
}

/* ===================================
   TECHNOLOGY SECTION
   =================================== */
.technology {
    padding: var(--space-16) 0;
    background: white;
}

.tech-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    flex-wrap: wrap;
    margin-top: var(--space-12);
}

.tech-component {
    padding: var(--space-8);
    background: var(--color-neutral-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-neutral-200);
    text-align: center;
    transition: all var(--transition-base);
    min-width: 160px;
}

.tech-component:hover {
    transform: scale(1.05);
    border-color: var(--color-accent-600);
    background: white;
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    width: 64px;
    height: 64px;
    stroke: var(--color-accent-600);
    stroke-width: 1.5;
    margin: 0 auto var(--space-4);
}

.tech-component h4 {
    font-size: var(--text-base);
    font-weight: 600;
}

.tech-flow {
    font-size: var(--text-4xl);
    color: var(--color-accent-500);
    font-weight: 300;
}

/* ===================================
   GLOBAL REACH
   =================================== */
.global-reach {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-neutral-100) 0%, white 100%);
}

.global-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin: var(--space-12) 0;
}

.stat {
    text-align: center;
}

.stat-icon {
    width: 56px;
    height: 56px;
    stroke: var(--color-accent-600);
    stroke-width: 1.5;
    margin: 0 auto var(--space-5);
}

.stat h3 {
    font-size: var(--text-5xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat p {
    font-size: var(--text-lg);
    color: var(--color-neutral-500);
}

.world-map {
    margin-top: var(--space-12);
    height: 500px;
    background: white;
    background-image: url('/images/geo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-neutral-200);
}

.map-placeholder {
    width: 90%;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-neutral-300);
    font-size: var(--text-3xl);
    font-weight: 600;
}

/* ===================================
   CONTACT FORM SECTION
   =================================== */
.contact-section {
    padding: var(--space-16) 0;
    background: white;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.contact-header h2 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.contact-header p {
    font-size: var(--text-xl);
    color: var(--color-neutral-500);
}

.contact-form {
    background: var(--color-neutral-50);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-neutral-200);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--color-primary-800);
    font-size: var(--text-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    font-family: inherit;
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-600);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--color-error);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--space-2);
}

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

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.submit-button {
    width: 100%;
    padding: var(--space-5);
    font-size: var(--text-lg);
    font-weight: 600;
    background: var(--gradient-accent);
    color: white;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    margin-top: var(--space-6);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 500;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    padding: var(--space-16) 0;
    background: var(--color-primary-900);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0.3;
}

.cta-section .container {
    position: relative;
    z-index: var(--z-base);
}

.cta-section h2 {
    font-size: var(--text-5xl);
    color: white;
    margin-bottom: var(--space-5);
}

.cta-section p {
    font-size: var(--text-xl);
    color: var(--color-neutral-300);
    margin-bottom: var(--space-8);
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-10);
    font-size: var(--text-xl);
    font-weight: 700;
    background: white;
    color: var(--color-accent-600);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

.cta-button-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.3);
}

.cta-arrow {
    width: 24px;
    height: 24px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-primary-900);
    color: white;
    padding: var(--space-12) 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-column h3,
.footer-column h4 {
    color: white;
    margin-bottom: var(--space-4);
    font-size: var(--text-lg);
}

.footer-column p {
    color: var(--color-neutral-400);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

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

.footer-column ul li {
    margin-bottom: var(--space-3);
}

.footer-column ul li a {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-logo {
    font-size: var(--text-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, #60A5FA 0%, #A78BFA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

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

.social-links a:hover {
    background: var(--color-accent-600);
    transform: translateY(-2px);
}

.social-links i {
    width: 20px;
    height: 20px;
    stroke: white;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid .footer-column:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   PAGE HEADER
   =================================== */
.page-header {
    padding: var(--space-16) 0 var(--space-12);
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    margin-top: 72px;
}

.page-header h1 {
    font-size: var(--text-5xl);
    color: white;
    margin-bottom: var(--space-4);
    font-weight: 800;
}

.page-header p {
    font-size: var(--text-xl);
    color: var(--color-neutral-300);
    max-width: 800px;
    margin: 0 auto;
}

/* ===================================
   CONTENT SECTION
   =================================== */
.content-section {
    padding: var(--space-16) 0;
}

.content-section.gray {
    background: var(--color-neutral-50);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-5);
}

.content-text h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.content-text p {
    font-size: var(--text-lg);
    color: var(--color-neutral-500);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.content-text ul {
    list-style: none;
    margin: var(--space-6) 0;
}

.content-text ul li {
    font-size: var(--text-base);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-3);
    padding-left: var(--space-8);
    position: relative;
}

.content-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-600);
    font-weight: bold;
    font-size: var(--text-xl);
}

.content-image {
    background: linear-gradient(135deg, var(--color-neutral-100) 0%, white 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    border: 1px solid var(--color-neutral-200);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-image i {
    width: 120px;
    height: 120px;
    stroke: var(--color-accent-600);
    opacity: 0.2;
}

/* ===================================
   INTEGRATION CARDS
   =================================== */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.integration-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--transition-base);
}

.integration-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-500);
}

.integration-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.integration-icon {
    width: 56px;
    height: 56px;
    background: var(--color-neutral-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.integration-icon i {
    width: 32px;
    height: 32px;
    stroke: var(--color-accent-600);
    stroke-width: 2;
}

.integration-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.integration-card p {
    color: var(--color-neutral-500);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.integration-features {
    list-style: none;
    margin-top: var(--space-4);
}

.integration-features li {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-2);
    padding-left: var(--space-5);
    position: relative;
}

.integration-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent-600);
}

/* ===================================
   CODE BLOCK
   =================================== */
.code-block {
    background: var(--color-primary-900);
    color: var(--color-neutral-300);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: var(--text-sm);
    line-height: 1.6;
    margin: var(--space-6) 0;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    color: var(--color-neutral-200);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-4);
}

.code-lang {
    font-size: var(--text-xs);
    color: var(--color-accent-400);
    text-transform: uppercase;
    font-weight: 600;
}

.copy-button {
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    transition: all var(--transition-fast);
}

.copy-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ===================================
   PRICING CARDS
   =================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.pricing-card {
    background: white;
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--color-neutral-200);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-accent-600);
    box-shadow: var(--shadow-2xl);
    transform: scale(1.05);
}

.pricing-card:hover:not(.featured) {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent-400);
}

.pricing-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.pricing-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.pricing-card .price {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-primary-900);
    margin-bottom: var(--space-2);
}

.pricing-card .price span {
    font-size: var(--text-lg);
    font-weight: 400;
    color: var(--color-neutral-500);
}

.pricing-card .description {
    color: var(--color-neutral-500);
    margin-bottom: var(--space-6);
}

.pricing-features {
    list-style: none;
    margin: var(--space-6) 0;
}

.pricing-features li {
    padding: var(--space-3) 0;
    color: var(--color-neutral-600);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pricing-features li i {
    width: 20px;
    height: 20px;
    stroke: var(--color-success);
    flex-shrink: 0;
}

.pricing-cta {
    width: 100%;
    padding: var(--space-4);
    background: var(--gradient-accent);
    color: white;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
}

.pricing-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured .pricing-cta {
    background: var(--gradient-purple);
}

/* ===================================
   TEAM SECTION
   =================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

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

.team-avatar {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-full);
    background: var(--gradient-accent);
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-5xl);
    color: white;
    font-weight: 800;
}

.team-member h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.team-member .role {
    color: var(--color-accent-600);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.team-member p {
    color: var(--color-neutral-500);
    font-size: var(--text-sm);
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition-base);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    :root {
        --space-12: 4rem;
        --space-16: 6rem;
    }

    .feature-item {
        gap: var(--space-8);
    }
}

@media (max-width: 768px) {
    .feature-item {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .feature-item.reverse {
        direction: ltr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .tech-diagram {
        flex-direction: column;
    }

    .tech-flow {
        transform: rotate(90deg);
    }

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

@media (max-width: 640px) {
    .prop-grid {
        grid-template-columns: 1fr;
    }

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

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

    .content-grid.reverse {
        direction: ltr;
    }

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

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

    .pricing-card.featured {
        transform: scale(1);
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Visible for Keyboard Navigation */
*:focus-visible {
    outline: 3px solid var(--color-accent-600);
    outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}