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

:root {
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Typography */
    --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: all 0.2s ease-in-out;
    --transition-colors: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

[data-theme="light"] {
    /* New Color Palette - Logistics Focus (80% Blue / 20% Red) */
    --primary: #06B6D4; /* Cyan - Primary brand color */
    --primary-dark: #0891B2;
    --primary-light: #22D3EE;
    --primary-ultralight: #A5F3FC;
    --secondary: #EF4444; /* Red - Accent color */
    --secondary-dark: #DC2626;
    --secondary-light: #F87171;
    --accent: #3B82F6; /* Blue for variation */
    --accent-dark: #2563EB;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    /* Neutrals - Slightly tweaked for a cooler tone */
    --gray-50: #F8FAFC; /* Slate 50 */
    --gray-100: #F1F5F9; /* Slate 100 */
    --gray-200: #E2E8F0; /* Slate 200 */
    --gray-300: #CBD5E1; /* Slate 300 */
    --gray-400: #94A3B8; /* Slate 400 */
    --gray-500: #64748B; /* Slate 500 */
    --gray-600: #475569; /* Slate 600 */
    --gray-700: #334155; /* Slate 700 */
    --gray-800: #1E293B; /* Slate 800 */
    --gray-900: #0F172A; /* Slate 900 */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
}

[data-theme="dark"] {
    /* Colors - Same primary colors */
    --primary: #06B6D4;
    --primary-dark: #0891B2;
    --primary-light: #22D3EE;
    --primary-ultralight: #A5F3FC;
    --secondary: #EF4444;
    --secondary-dark: #DC2626;
    --secondary-light: #F87171;
    --accent: #3B82F6;
    --accent-dark: #2563EB;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    /* Dark Theme Neutrals */
    --gray-50: #132F4C;
    --gray-100: #1A2F45;
    --gray-200: #2A4563;
    --gray-300: #3E5A78;
    --gray-400: #7B93AC;
    --gray-500: #B0BEC5;
    --gray-600: #C8D6E0;
    --gray-700: #E3F2FD;
    --gray-800: #EDF5FA;
    --gray-900: #F5FAFC;

    /* Dark Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.6);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.7), 0 8px 10px -6px rgb(0 0 0 / 0.7);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.3);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: transparent;
    color: transparent;
    padding: var(--spacing-2) var(--spacing-4);
    text-decoration: none;
    border-radius: var(--radius);
    z-index: 1000;
    transition: var(--transition);
}

.skip-link:focus {
    top: 6px;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

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

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

h1 {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.025em;
}

h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: -0.025em;
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-600);
}

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

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

/* Section Titles */
.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-6);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 9999px;
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-12);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    margin-top: var(--spacing-8);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 4px 12px -2px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px -4px rgba(79, 70, 229, 0.5), 0 4px 12px -2px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(99, 102, 241, 0.08) 100%);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

.btn:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 50;
    transition: transform 0.3s ease-in-out, background-color 0.3s ease, box-shadow 0.3s ease;
}

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

.nav {
    position: relative;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

.nav-brand img {
    height: 36px;
    width: auto;
}

.logo-mobile {
    display: none;
}

.nav-menu {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--gray-600);
    font-weight: 600;
    padding: var(--spacing-2) 0;
    position: relative;
    font-size: var(--font-size-sm);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.language-toggle {
    display: flex;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    background-color: white;
}

.lang-btn {
    padding: var(--spacing-2) var(--spacing-3);
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    transition: var(--transition-colors);
}

.lang-btn.active {
    background-color: var(--primary);
    color: white;
}

.lang-btn:not(.active):hover {
    background-color: var(--gray-100);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--gray-200);
    transform: scale(1.05);
}

.theme-toggle i {
    position: absolute;
    font-size: 1.125rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--gray-700);
}

.theme-toggle .light-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .dark-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .theme-toggle .light-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

[data-theme="dark"] .theme-toggle .dark-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--gray-800);
    margin: 3px 0;
    transition: 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

@media (min-width: 768px) {
    .nav-container {
        padding-left: var(--spacing-6);
        padding-right: var(--spacing-6);
    }

    .nav-menu {
        display: block;
    }

    .nav-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .nav-brand .logo-light,
    .nav-brand .logo-dark,
    [data-theme="dark"] .nav-brand .logo-light,
    [data-theme="dark"] .nav-brand .logo-dark {
        display: none;
    }

    .nav-brand .logo-mobile {
        display: block;
    }

    .nav-menu {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        padding: var(--spacing-2) 0;
        max-height: calc(100vh - 100%);
        overflow-y: auto;
        z-index: 1000;
    }

    .nav-menu.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-4);
        gap: var(--spacing-2);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-3);
        border-bottom: none;
        border-radius: var(--radius);
    }

    .nav-link:hover {
        background-color: var(--gray-100);
    }

    .nav-link:last-child {
        border-bottom: none;
    }
}

/* Main Content */
main {
    margin-top: 73px; /* Adjusted for header height */
}

/* Hero Section */
.hero {
    padding: var(--spacing-8) 0;
    background: radial-gradient(ellipse at top, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
                linear-gradient(135deg, rgba(6, 182, 212, 0.03) 0%, rgba(59, 130, 246, 0.03) 50%, white 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: stretch;
    min-height: 700px;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
    max-width: 550px;
}

.hero-benefits {
    list-style: none;
    margin-bottom: var(--spacing-8);
}

.hero-benefits li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-3);
    color: var(--gray-700);
    font-weight: 500;
}

.hero-benefits li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: bold;
    margin-right: var(--spacing-3);
    font-size: 1.2em;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    align-items: center;
    margin-top: var(--spacing-8);
}

.badge {
    background-color: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1px solid var(--gray-200);
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-visual {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    height: 100%;
    overflow: hidden;
}

.device-mockup {
    position: relative;
    text-align: center;
    width: 100%;
    height: calc(100% + var(--spacing-8) + 4rem);
    margin-top: calc(var(--spacing-8) * -1);
    margin-left: calc(var(--spacing-4) * -1);
    margin-left: calc(var(--spacing-4) * -1);
    display: flex;
    align-items: center;
    justify-content: center;
}

#devices-canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
    min-height: 600px;
}

.mockup-image {
    max-width: 100%;
    height: auto;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-cta {
        flex-direction: row;
        gap: var(--spacing-6);
    }

    .hero-content {
        min-height: 650px;
    }

    .device-mockup {
        width: calc(100% + var(--spacing-6) * 2);
        margin-left: calc(var(--spacing-6) * -1);
        height: calc(100% + var(--spacing-24) * 2);
        margin-top: calc(var(--spacing-24) * -2);
    }
}

@media (min-width: 1024px) {
    .hero {
        padding: 0rem 0;
    }
    .hero-content {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: var(--spacing-16);
        min-height: 700px;
    }

    .hero-title {
        font-size: 3.5rem; /* Slightly smaller than 6xl for better balance */
    }

    .device-mockup {
        width: calc(100% + var(--spacing-8) * 2);
        margin-left: calc(var(--spacing-8) * -1);
        height: calc(100% + 20rem);
        margin-top: -10rem;
    }

    #devices-canvas {
        min-height: 600px;
    }
}

/* Value Proposition */
.value-prop {
    padding: var(--spacing-20) 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.03) 0%, rgba(59, 130, 246, 0.05) 50%, rgba(6, 182, 212, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.value-prop::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(239, 68, 68, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

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

.value-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    position: relative;
    z-index: 1;
}

.value-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    border: 2px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.value-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.03) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.value-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.value-card:hover::after {
    transform: scaleX(1);
}

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

.value-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.25);
    border-color: var(--primary-light);
}


.value-problem {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-6);
    border-bottom: 2px dashed var(--gray-200);
    position: relative;
}

.value-problem h3 {
    color: #dc2626;
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 1.25rem;
}

.value-problem h3 .emoji {
    font-size: 1.5rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.value-arrow {
    display: flex;
    justify-content: center;
    margin: var(--spacing-4) 0;
    color: var(--primary);
    font-size: 2rem;
    animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.value-solution {
    position: relative;
    padding: var(--spacing-6);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(79, 70, 229, 0.03) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.value-solution h3 {
    color: #059669;
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 1.25rem;
}

.value-solution h3 .emoji {
    font-size: 1.5rem;
    display: inline-block;
    animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.2) rotate(-10deg); }
    75% { transform: scale(1.2) rotate(10deg); }
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.value-card:hover .feature-tag::before {
    left: 100%;
}

.feature-tag:hover {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.25) 0%, rgba(59, 130, 246, 0.25) 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 8px rgba(6, 182, 212, 0.3);
}

@media (min-width: 768px) {
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .value-card {
        padding: var(--spacing-8);
    }
}

@media (min-width: 1024px) {
    .value-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-8);
    }
}

/* Features */
.features {
    padding: var(--spacing-20) 0;
    background: linear-gradient(to bottom, white 0%, rgba(6, 182, 212, 0.02) 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, rgba(59, 130, 246, 0.05) 50%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.features .container {
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

.feature-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(79, 70, 229, 0.2), 0 10px 20px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.feature-icon {
    margin-bottom: var(--spacing-6);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    color: var(--primary);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--primary-light) 100%);
    color: white;
}

.feature-icon i {
    font-size: var(--font-size-2xl);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    color: var(--gray-900);
    font-weight: 700;
    transition: color 0.3s ease;
}

.feature-card:hover h3 {
    color: var(--primary);
}

.feature-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Solutions */
.solutions {
    padding: var(--spacing-20) 0;
    background-color: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

.solution-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gray-300);
}

.solution-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-6);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: var(--primary);
    width: 72px;
    height: 72px;
    background-color: var(--gray-100);
    border-radius: var(--radius-full);
}

.solution-icon i {
    font-size: var(--font-size-3xl);
}

.solution-card h3 {
    margin-bottom: var(--spacing-6);
    color: var(--gray-900);
}

.solution-card ul {
    list-style: none;
    text-align: left;
    padding: 0;
}

.solution-card li {
    padding: var(--spacing-2) 0;
    color: var(--gray-600);
    position: relative;
    padding-left: var(--spacing-6);
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

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

/* Integrations */
.integrations {
    padding: var(--spacing-20) 0;
    background: linear-gradient(to bottom, rgba(6, 182, 212, 0.02) 0%, white 50%, rgba(59, 130, 246, 0.02) 100%);
}

.integrations-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
    align-items: center;
}

.logo-item {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-4);
    background: white;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.logo-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(59, 130, 246, 0.10) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.logo-item:hover::before {
    opacity: 1;
}

.logo-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 30px -5px rgba(79, 70, 229, 0.15), 0 8px 16px -4px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.logo-item img {
    max-width: 100%;
    height: auto;
    opacity: 0.6;
    transition: all 0.4s ease;
    filter: grayscale(100%);
    position: relative;
    z-index: 1;
}

.logo-item:hover img {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.1);
}

.integration-types {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

.integration-type {
    text-align: center;
    padding: var(--spacing-6);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.integration-type h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-3);
}

@media (min-width: 768px) {
    .integrations-logos {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (min-width: 1024px) {
    .integrations-logos {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-20) 0;
    background-color: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: var(--spacing-6);
}

.testimonial-content p {
    font-style: italic;
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    line-height: 1.7;
    position: relative;
    padding-left: 2rem;
}

.testimonial-content p::before {
    content: '“';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--primary-light);
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.author-info h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.author-info p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.testimonial-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.metric {
    background-color: var(--secondary-light);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-align: center;
}

.customers-logos {
    text-align: center;
    margin-top: var(--spacing-16);
}

.customers-title {
    color: var(--gray-500);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-6);
    font-weight: 500;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
    align-items: center;
    justify-items: center;
}

.customers-grid img {
    opacity: 0.6;
    transition: var(--transition);
    filter: grayscale(100%);
}

.customers-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .customers-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-12);
    }
}

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

/* Pricing */
.pricing {
    padding: var(--spacing-20) 0;
    background: linear-gradient(to bottom, white 0%, rgba(6, 182, 212, 0.03) 50%, rgba(59, 130, 246, 0.02) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    align-items: stretch;
}

.pricing-card {
    background: white;
    padding: var(--spacing-10) var(--spacing-6) var(--spacing-8);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    position: relative;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    overflow: visible;
    margin-top: var(--spacing-6);
}

.pricing-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(59, 130, 246, 0.03) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.2), 0 10px 20px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.pricing-card-featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, white 0%, rgba(6, 182, 212, 0.05) 50%, rgba(59, 130, 246, 0.03) 100%);
    transform: scale(1.05);
    box-shadow: 0 20px 40px -10px rgba(6, 182, 212, 0.3);
}

.pricing-card-featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
}

.pricing-card-featured:hover {
    transform: scale(1.05) translateY(-12px);
    box-shadow: 0 30px 60px -15px rgba(79, 70, 229, 0.3), 0 12px 24px -6px rgba(0, 0, 0, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: 0 4px 12px -2px rgba(79, 70, 229, 0.4);
    z-index: 10;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
    position: relative;
    z-index: 1;
}

.pricing-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    padding: 0 var(--spacing-2);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-2);
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    font-weight: 600;
    margin-right: var(--spacing-1);
}

.amount {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.025em;
    line-height: 1;
}

.period {
    font-size: var(--font-size-base);
    color: var(--gray-500);
    font-weight: 500;
    margin-left: var(--spacing-1);
}

.price-description {
    color: var(--gray-600);
    margin-bottom: 0;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-8);
    flex-grow: 1;
}

.pricing-features li {
    padding: var(--spacing-3) 0;
    color: var(--gray-600);
    position: relative;
    padding-left: var(--spacing-8);
    transition: transform 0.2s ease;
}

.pricing-features li:hover {
    transform: translateX(4px);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-weight: bold;
    font-size: 0.75rem;
    border-radius: 50%;
}

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

.pricing-footer p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    position: relative;
}

.link:hover {
    color: var(--primary-dark);
}

.link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

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

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* FAQ */
.faq {
    padding: var(--spacing-20) 0;
    background: linear-gradient(to bottom, rgba(6, 182, 212, 0.04) 0%, white 50%, rgba(59, 130, 246, 0.03) 100%);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item:hover {
    border-color: var(--primary-light);
    box-shadow: 0 8px 20px -4px rgba(79, 70, 229, 0.15);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 12px 24px -6px rgba(79, 70, 229, 0.2);
}

.faq-question {
    padding: var(--spacing-5) var(--spacing-6);
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    transition: color 0.3s ease;
    position: relative;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.faq-item:hover .faq-question {
    color: var(--primary);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: var(--spacing-6);
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--spacing-6) var(--spacing-5);
    margin: 0;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Final CTA */
.final-cta {
    padding: var(--spacing-24) 0;
    background: var(--gray-900);
    color: white;
}

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

.cta-content h2 {
    color: white;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-6);
}

.cta-content p {
    color: var(--gray-300);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.cta-note {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .cta-buttons {
        flex-direction: row;
        gap: var(--spacing-6);
    }
}

/* Demo Form */
.demo-form {
    padding: var(--spacing-20) 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.04) 0%, white 50%, rgba(59, 130, 246, 0.03) 100%);
}

.form-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.form-content h2 {
    margin-bottom: var(--spacing-4);
    font-weight: 800;
}

.form-content p {
    margin-bottom: var(--spacing-8);
    font-size: var(--font-size-lg);
}

.demo-form-element {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: left;
    border: 1px solid var(--gray-200);
}

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

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background-color: white;
}

.form-group textarea {
    resize: vertical;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25em;
    height: 1.25em;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    margin-top: 0.15em;
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: var(--primary);
    border-color: var(--primary);
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
}

.checkbox-label .checkmark {
    display: none;
}

.error-message {
    color: var(--danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
    display: block;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

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

.footer-section h3 {
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.footer-brand p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-4);
    max-width: 280px;
}

.footer-logo {
    height: 36px;
    margin-bottom: var(--spacing-4);
}

.contact-info p {
    margin-bottom: var(--spacing-2);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-colors);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

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

.social-links i {
    font-size: var(--font-size-lg);
    color: white;
}

.contact-info i {
    margin-right: var(--spacing-3);
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-links a {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-colors);
}

.footer-links a:hover {
    color: var(--gray-300);
    text-decoration: underline;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

/* Responsive Improvements */
@media (max-width: 767px) {
    :root {
        --font-size-4xl: 2.25rem;
        --font-size-5xl: 2.75rem;
        --font-size-6xl: 3.25rem;
    }

    .hero {
        padding: var(--spacing-8) 0;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .value-prop,
    .features,
    .solutions,
    .integrations,
    .testimonials,
    .pricing,
    .faq {
        padding: var(--spacing-16) 0;
    }

    .final-cta {
        padding: var(--spacing-16) 0;
    }

    .demo-form {
        padding: var(--spacing-16) 0;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .feature-card {
        padding: var(--spacing-6);
    }
    
    .pricing-card {
        padding: var(--spacing-8) var(--spacing-5) var(--spacing-6);
        margin-top: var(--spacing-6);
    }
    
    .pricing-card-featured {
        transform: scale(1);
    }
    
    .pricing-card-featured:hover {
        transform: translateY(-8px);
    }
    
    .amount {
        font-size: 2rem;
    }
    
    .pricing-header h3 {
        font-size: var(--font-size-xl);
    }
}

/* Animation Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Management */
*:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
}

/* ===== DARK MODE SPECIFIC STYLES ===== */
.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}

[data-theme="dark"] .logo-light {
    display: none;
}

[data-theme="dark"] .logo-dark {
    display: block;
}

.footer-logo-light {
    display: block;
}

.footer-logo-dark {
    display: none;
}

[data-theme="dark"] .footer-logo-light {
    display: none;
}

[data-theme="dark"] .footer-logo-dark {
    display: block;
}

[data-theme="dark"] body {
    background-color: #0A1929;
    color: var(--gray-700);
}

[data-theme="dark"] .nav-menu {
    background: var(--gray-100);
    border-top-color: var(--gray-200);
    z-index: 1000;
}

[data-theme="dark"] .language-toggle {
    background-color: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, 
        rgba(6, 182, 212, 0.15) 0%, 
        rgba(19, 47, 76, 0.3) 50%, 
        rgba(239, 68, 68, 0.282) 100%
    );
}

[data-theme="dark"] .faq,
[data-theme="dark"] .demo-form {
    background: linear-gradient(180deg, var(--gray-50) 0%, #0F2235 100%);
}

[data-theme="dark"] .final-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-navy) 50%, var(--secondary) 100%);
}

[data-theme="dark"] .final-cta h2,
[data-theme="dark"] .final-cta p,
[data-theme="dark"] .cta-note {
    color: #FFFFFF;
}

[data-theme="dark"] .footer {
    background: #1F2937;
}

[data-theme="dark"] .footer-brand p,
[data-theme="dark"] .footer-section a,
[data-theme="dark"] .footer-bottom {
    color: #9CA3AF;
}

[data-theme="dark"] .footer-section h3 {
    color: #FFFFFF;
}

[data-theme="dark"] .footer-section a:hover {
    color: #FFFFFF;
}

[data-theme="dark"] .social-links a {
    background: #374151;
    color: #9CA3AF;
}

[data-theme="dark"] .social-links a:hover {
    background: var(--primary);
    color: #FFFFFF;
}

/* Cards trong dark mode */
[data-theme="dark"] .value-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .solution-card,
[data-theme="dark"] .testimonial-card,
[data-theme="dark"] .pricing-card {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .pricing-card-featured {
    background: linear-gradient(135deg, var(--gray-100) 0%, rgba(6, 182, 212, 0.1) 50%, rgba(59, 130, 246, 0.08) 100%);
    border-color: var(--primary);
}

[data-theme="dark"] .value-card h3,
[data-theme="dark"] .feature-card h3,
[data-theme="dark"] .solution-card h3,
[data-theme="dark"] .testimonial-card h4,
[data-theme="dark"] .pricing-card h3 {
    color: var(--gray-900);
}

[data-theme="dark"] .value-card p,
[data-theme="dark"] .feature-card p,
[data-theme="dark"] .solution-card li,
[data-theme="dark"] .testimonial-content p,
[data-theme="dark"] .pricing-features li {
    color: var(--gray-700);
}

[data-theme="dark"] .section-title,
[data-theme="dark"] .section-subtitle {
    color: var(--gray-900);
}

[data-theme="dark"] .hero-title {
    color: var(--gray-900);
}

[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .hero-benefits li {
    color: var(--gray-700);
}

/* Integrations logos */
[data-theme="dark"] .logo-item,
[data-theme="dark"] .integrations-logos {
    background: transparent;
}

[data-theme="dark"] .integration-type {
    background: var(--gray-100);
}

[data-theme="dark"] .integration-type h3 {
    color: var(--gray-900);
}

[data-theme="dark"] .integration-type p {
    color: var(--gray-700);
}

/* Demo form */
[data-theme="dark"] .demo-form-element {
    background: var(--gray-100);
}

[data-theme="dark"] .demo-form-element input,
[data-theme="dark"] .demo-form-element select,
[data-theme="dark"] .demo-form-element textarea {
    background: var(--gray-50);
    color: var(--gray-900);
    border-color: var(--gray-200);
}

[data-theme="dark"] .demo-form-element label {
    color: var(--gray-800);
}

/* FAQ */
[data-theme="dark"] .faq-item {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

[data-theme="dark"] .faq-question {
    color: var(--gray-900);
}

[data-theme="dark"] .faq-answer p {
    color: var(--gray-700);
}

/* Pricing specific */
[data-theme="dark"] .price-description {
    color: var(--gray-600);
}

[data-theme="dark"] .pricing-badge {
    background: var(--primary);
    color: #FFFFFF;
}

/* Buttons maintain visibility */
[data-theme="dark"] .btn-primary {
    color: #FFFFFF;
}

[data-theme="dark"] .btn-outline {
    color: var(--primary);
    border-color: var(--primary);
    background: transparent;
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--primary);
    color: #FFFFFF;
}

[data-theme="dark"] .btn-secondary {
    background: var(--secondary);
    color: #FFFFFF;
}

/* Value problem/solution */
[data-theme="dark"] .value-problem h3,
[data-theme="dark"] .value-solution h3 {
    color: var(--gray-900);
}

[data-theme="dark"] .value-problem p,
[data-theme="dark"] .value-solution p {
    color: var(--gray-700);
}

/* Testimonial metrics */
[data-theme="dark"] .testimonial-metrics .metric {
    background: var(--gray-50);
    color: var(--primary);
}

[data-theme="dark"] .testimonial-author h4 {
    color: var(--gray-900);
}

[data-theme="dark"] .testimonial-author p {
    color: var(--gray-600);
}

/* Trust badges */
[data-theme="dark"] .badge,
[data-theme="dark"] .trust-badges .badge {
    background: var(--gray-100);
    color: var(--primary);
    border-color: var(--gray-200);
}

/* Form content */
[data-theme="dark"] .form-content h2,
[data-theme="dark"] .demo-form h2 {
    color: var(--gray-900);
}

[data-theme="dark"] .form-content p,
[data-theme="dark"] .demo-form p {
    color: var(--gray-700);
}

/* Contact info */
[data-theme="dark"] .contact-info p {
    color: var(--gray-700);
}

/* Section backgrounds với gradient đẹp hơn */
[data-theme="dark"] .value-prop {
    background: linear-gradient(180deg, var(--gray-50) 0%, #0F2235 100%);
}

[data-theme="dark"] .features {
    background: linear-gradient(180deg, #0F2235 0%, var(--gray-50) 100%);
}

[data-theme="dark"] .solutions {
    background: linear-gradient(180deg, var(--gray-50) 0%, #0F2235 100%);
}

[data-theme="dark"] .integrations {
    background: linear-gradient(180deg, #0F2235 0%, var(--gray-50) 100%);
}

[data-theme="dark"] .testimonials {
    background: linear-gradient(180deg, var(--gray-50) 0%, #0F2235 100%);
}

[data-theme="dark"] .pricing {
    background: linear-gradient(180deg, #0F2235 0%, var(--gray-50) 100%);
}

/* Pricing features text */
[data-theme="dark"] .price {
    color: var(--gray-900);
}

[data-theme="dark"] .currency,
[data-theme="dark"] .amount,
[data-theme="dark"] .period {
    color: var(--gray-900);
}

/* Customers section */
[data-theme="dark"] .customers-title {
    color: var(--gray-700);
}

/* Value arrow */
[data-theme="dark"] .value-arrow {
    color: var(--primary);
}

/* Solution features */
[data-theme="dark"] .solution-features .feature-tag {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(59, 130, 246, 0.15) 100%);
    color: var(--primary);
}

/* Emoji vẫn giữ màu */
[data-theme="dark"] .emoji {
    filter: brightness(1.2);
}

/* Demo content specific */
[data-theme="dark"] .demo-form .cta-note {
    color: var(--gray-700);
}

[data-theme="dark"] .form-content h2 {
    color: var(--gray-900);
}

/* Pricing header */
[data-theme="dark"] .pricing-header h3 {
    color: var(--gray-900);
}

/* Integration types */
[data-theme="dark"] .integration-types {
    display: flex;
    gap: var(--spacing-6);
}

/* Logo items (partner logos) */
[data-theme="dark"] .logo-item {
    opacity: 0.8;
    filter: brightness(1.1);
}

[data-theme="dark"] .logo-item:hover {
    opacity: 1;
}

/* Customers grid images */
[data-theme="dark"] .customers-grid img {
    filter: brightness(1.1) contrast(0.9);
}

/* Fix cho solution icon */
[data-theme="dark"] .solution-icon {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(59, 130, 246, 0.1));
}

[data-theme="dark"] .header {
    background: rgba(27, 47, 69, 0.92);
    border-bottom-color: var(--gray-200);
}