/*
    WAYESE - MODERN LANDING PAGE DESIGN
    Thiết kế hiện đại, tối giản và chuyên nghiệp
*/

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

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

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

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    /* Colors - Based on Wayese Logo */
    --primary: #23418e;
    --primary-dark: #2d4d9e;
    --primary-light: #3f61b8;
    --primary-shadow: rgba(6, 68, 212, 0.3);
    --secondary: #EF4444;
    --accent-navy: #1F2937;
    --accent-purple: #A855F7;
    --accent-pink: #EC4899;
    --accent-orange: #F97316;
    --accent-cyan: #3f61b8;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --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);
}

[data-theme="dark"] {
    /* Colors - Based on Wayese Logo (Dark Mode) */
    --primary: #06B6D4;
    --primary-dark: #0891B2;
    --primary-light: #22D3EE;
    --primary-shadow: rgba(6, 182, 212, 0.3);
    --secondary: #EF4444;
    --accent-navy: #1F2937;
    --accent-purple: #A855F7;
    --accent-pink: #EC4899;
    --accent-orange: #F97316;
    --accent-cyan: #06B6D4;

    /* Dark Theme Neutrals */
    --white: #0A1929;
    --gray-50: #132F4C;
    --gray-100: #1A2F45;
    --gray-200: #1b324c;
    --gray-300: #3E5A78;
    --gray-400: #7B93AC;
    --gray-500: #B0BEC5;
    --gray-600: #C8D6E0;
    --gray-700: #E3F2FD;
    --gray-800: #EDF5FA;
    --gray-900: #F5FAFC;

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

    /* Dark Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

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

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2rem);
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.nav {
    padding: var(--space-4) 0;
}

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

@media (min-width: 768px) {
    .nav-container {
        padding: 0 var(--space-8);
    }
}

.logo {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

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

.nav-menu {
    position: fixed;
    top: 90px;
    left: 0;
    right: 0;
    bottom: 0;
    height: 0;
    max-height: calc(100vh - 65px);
    background: var(--white);
    transform: translateY(-200px);
    transition: transform 0.3s ease;
    overflow-y: auto;
    padding: var(--space-6);
    -webkit-overflow-scrolling: touch;
    z-index: -1000;
}

.nav-menu.active {
    transform: translateY(0);
    height: 300px;
    z-index: 100;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.nav-list > li {
    position: relative;
}

.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown > .nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.dropdown-icon {
    font-size: 0.75rem;
    transition: var(--transition);
    color: var(--gray-600);
}

.nav-item-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.dropdown-menu {
    list-style: none;
    display: none;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    margin-left: var(--space-4);
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown.active .dropdown-menu {
    display: flex;
}

.nav-item-dropdown.active .dropdown-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.dropdown-link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition);
    color: var(--gray-700);
}

.dropdown-link:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.dropdown-link i {
    font-size: 1.25rem;
    color: var(--primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.dropdown-link div {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.dropdown-link strong {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--gray-900);
}

.dropdown-link span {
    font-size: 0.813rem;
    color: var(--gray-500);
}

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

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-2) 0;
    transition: var(--transition);
    display: block;
}

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

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

.language-toggle {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-full);
}

.lang-btn {
    background: transparent;
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-600);
    transition: var(--transition);
    font-family: inherit;
}

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

.lang-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.5);
}

.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);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition);
    border-radius: 2px;
}

@media (min-width: 1024px) {
    .nav-menu {
        position: static;
        transform: none;
        background: transparent;
        padding: 0;
        overflow: visible;
        z-index: auto;
        height: auto;
    }

    .nav-list {
        flex-direction: row;
        gap: var(--space-8);
        align-items: center;
    }

    .nav-item-dropdown {
        position: relative;
    }

    .dropdown-menu {
        position: absolute;
        top: calc(100% + 4px);
        left: 0;
        min-width: 280px;
        background: var(--white);
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-xl);
        border: 1px solid var(--gray-200);
        padding: var(--space-4);
        margin: 0;
        z-index: 100;
    }

    .dropdown-menu::before {
        content: '';
        position: absolute;
        top: -12px;
        left: 0;
        right: 0;
        height: 12px;
        background: transparent;
    }

    .dropdown-link {
        border-radius: var(--radius-lg);
    }

    .dropdown-link:hover {
        background: var(--gray-50);
        transform: translateX(4px);
    }

    .nav-toggle {
        display: none;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    white-space: nowrap;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px var(--primary-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--primary-shadow);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-12)) var(--space-4) var(--space-12);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(6, 182, 212, 0.1) 0%, 
        rgba(31, 41, 55, 0.08) 50%, 
        rgba(239, 68, 68, 0.1) 100%
    );
}

.hero-mesh {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(239, 68, 68, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(31, 41, 55, 0.1) 0%, transparent 50%);
    animation: meshFloat 20s ease-in-out infinite;
}

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

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    overflow: hidden;
}

.wave-layer {
    position: absolute;
    bottom: 0;
    left: -5%;
    width: 110%;
    height: 100%;
    opacity: 0.08;
}

.wave-layer path {
    fill: currentColor;
}

.wave-1 {
    color: var(--primary);
    animation: waveMove1 8s ease-in-out infinite;
}

.wave-2 {
    color: var(--accent-purple);
    animation: waveMove2 6s ease-in-out infinite;
    animation-delay: -2s;
}

@keyframes waveMove1 {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-5%);
    }
}

@keyframes waveMove2 {
    0%, 100% {
        transform: translateX(0) scaleY(1);
    }
    50% {
        transform: translateX(6%) scaleY(1.08);
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(31, 41, 55, 0.1) 50%, rgba(239, 68, 68, 0.1) 100%);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    box-shadow: 0 8px 32px rgba(6, 182, 212, 0.2), 
                0 0 0 1px rgba(255, 255, 255, 0.3) inset,
                0 4px 16px rgba(239, 68, 68, 0.15);
    margin-bottom: var(--space-8);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: visible;
    isolation: isolate;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateZ(0);
    will-change: transform;
}

.hero-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    padding: 2px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-navy) 50%, var(--secondary) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.hero-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px rgba(6, 182, 212, 0.3), 
                0 0 0 1px rgba(255, 255, 255, 0.4) inset,
                0 8px 24px rgba(239, 68, 68, 0.25);
}

.hero-badge:hover::before {
    opacity: 1;
}

.hero-badge img {
    filter: drop-shadow(0 2px 8px rgba(6, 182, 212, 0.3));
    transition: filter 0.3s ease;
    position: relative;
    z-index: 10;
}

.hero-badge:hover img {
    filter: drop-shadow(0 4px 12px rgba(6, 182, 212, 0.4)) 
            drop-shadow(0 2px 8px rgba(239, 68, 68, 0.3));
}

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

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

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

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

.badge-particle {
    position: absolute;
    pointer-events: none;
    border-radius: 50%;
    opacity: 0;
    z-index: 1000;
    animation: particleFloat 2s linear forwards;
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
}

@keyframes particleFloat {
    0% {
        transform: translateX(0) translateY(0) scale(0);
        opacity: 0;
    }
    5% {
        transform: translateX(-20px) translateY(calc(var(--ty) * 0.05)) scale(1);
        opacity: 1;
    }
    85% {
        transform: translateX(-280px) translateY(calc(var(--ty) * 0.85)) scale(0.6);
        opacity: 0.3;
    }
    100% {
        transform: translateX(-320px) translateY(var(--ty)) scale(0.3);
        opacity: 0;
    }
}

.badge-particle::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), transparent 70%);
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .hero-cta {
        flex-direction: row;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-dark);
    transition: var(--transition);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-500);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--primary));
}

/* Ẩn hero scroll indicator trên mobile */
@media (max-width: 767px) {
    .hero-scroll-indicator {
        display: none;
    }
}

/* ===== SECTIONS ===== */
section {
    padding: var(--space-20) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(239, 68, 68, 0.1));
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== SOLUTIONS ===== */
.solutions {
    position: relative;
    padding: var(--space-24) 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--gray-900);
}

.solutions-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.solution-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1.1);
    will-change: transform;
}

.solution-bg-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.5) 0%, rgba(17, 24, 39, 0.0) 100%, transparent 100%);
}


.solution-bg-image.active {
    opacity: 0.3;
    transform: scale(1);
}

@media (max-width: 767px) {
    .solution-bg-image {
        background-position: right center;
    }
}

.solutions .container {
    position: relative;
    z-index: 2;
}

.solutions-content-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: calc(90vh - var(--space-24) * 2);
}

.solutions .section-header {
    text-align: left;
    max-width: 600px;
    margin-bottom: 0;
}

.solutions .section-header .section-title {
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.solution-description-container {
    position: relative;
    height: 80px; /* Adjust height as needed */
    margin-top: var(--space-4);
}

.solution-description {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    color: var(--gray-300);
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.solution-description.active {
    opacity: 1;
    transform: translateY(0);
}

.solutions-selector {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-top: var(--space-16);
}

@media (min-width: 768px) {
    .solutions-selector {
        grid-template-columns: repeat(3, 1fr);
        max-width: 100%;
    }
}

.solution-thumbnail {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-5);
    position: relative;
    overflow: hidden;
}

.solution-thumbnail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0, rgba(255, 255, 255, 0.15), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.solution-thumbnail:hover::before {
    opacity: 1;
}

.solution-thumbnail:hover,
.solution-thumbnail.active {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.thumbnail-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--primary);
    color: var(--white);
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.solution-thumbnail[data-platform="food"] .thumbnail-icon {
    background: var(--secondary);
}

.solution-thumbnail[data-platform="spa"] .thumbnail-icon {
    background: #1d2c51;
    color: #FFFFFF !important;
}

.solution-thumbnail.active .thumbnail-icon,
.solution-thumbnail:hover .thumbnail-icon {
    transform: scale(1.1);
}

.thumbnail-text {
    flex-grow: 1;
}

.thumbnail-text h4 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--space-1);
}

.thumbnail-text p {
    color: var(--gray-300);
    font-size: 0.938rem;
}

.thumbnail-link {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    transform: translateX(-10px);
    opacity: 0;
}

.solution-thumbnail:hover .thumbnail-link,
.solution-thumbnail.active .thumbnail-link {
    background: var(--white);
    color: var(--primary);
    transform: translateX(0);
    opacity: 1;
}

.solution-thumbnail[data-platform="food"]:hover .thumbnail-link,
.solution-thumbnail[data-platform="food"].active .thumbnail-link {
    color: var(--secondary);
}

.solution-thumbnail[data-platform="spa"]:hover .thumbnail-link,
.solution-thumbnail[data-platform="spa"].active .thumbnail-link {
    color: var(--primary);
}


/* Stats Grid */
.stats-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.stat-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-4);
    color: var(--white);
    transition: var(--transition);
}

.stat-icon-primary,
.stat-icon-success,
.stat-icon-orange,
.stat-icon-pink {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.stat-box:hover .stat-icon-wrapper {
    transform: scale(1.1) rotate(-5deg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
    line-height: 1;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.938rem;
}

/* ===== FEATURES ===== */
.features {
    background: var(--white);
}

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

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

@media (min-width: 1280px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-6);
    color: var(--white);
}

.feature-icon-purple,
.feature-icon-green,
.feature-icon-blue,
.feature-icon-orange,
.feature-icon-pink,
.feature-icon-cyan {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== APPS SHOWCASE ===== */
.apps-showcase {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--space-16) 0;
}

.apps-grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
    margin-top: calc(var(--space-12) + 80px);
    padding-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .apps-grid {
        gap: var(--space-8);
    }
}

.app-showcase-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    overflow: visible;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 2px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    padding-top: 260px;
    position: relative;
}

.app-showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.app-showcase-card:hover .app-screenshot {
    transform: translateY(-10px) scale(1.05);
}

.app-mockup {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.app-screenshot {
    width: 200px;
    height: 400px;
    background: transparent;
    position: relative;
    z-index: 1;
    overflow: hidden;
    border-radius: 28px;
    /* box-shadow: 0 30px 80px rgba(0,0,0,0.35), 
                0 10px 30px rgba(0,0,0,0.2); */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: grid;
    grid-template-columns: 1fr;
}

.app-screenshot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, transparent 50%); */
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.app-showcase-card:hover .app-screenshot::before {
    opacity: 1;
}

.app-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 28px;
    grid-column: 1;
    grid-row: 1;
}

/* Slideshow effect - chỉ áp dụng cho các slideshow */
.user-app-slideshow img,
.driver-app-slideshow img,
.merchant-app-slideshow img {
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.user-app-slideshow img.active,
.driver-app-slideshow img.active,
.merchant-app-slideshow img.active {
    opacity: 1;
}

.app-info {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-md);
}

.app-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.app-info p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-5);
    font-size: 0.938rem;
}

.app-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.app-features li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.app-features li i {
    color: var(--primary);
    font-size: 0.75rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: auto;
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: 0.938rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

.btn-download i {
    font-size: 0.875rem;
}

@media (max-width: 767px) {
    .apps-grid {
        margin-top: calc(var(--space-12) + 60px);
        gap: calc(var(--space-12) + 40px);
    }
    
    .app-showcase-card {
        padding-top: 200px;
    }
    
    .app-mockup {
        top: -60px;
    }
    
    .app-screenshot {
        width: 170px;
        height: 340px;
        border-radius: 24px;
    }
    
    .app-screenshot img {
        border-radius: 24px;
    }
    
    .app-info {
        padding: var(--space-5);
    }
    
    .app-info h3 {
        font-size: 1.125rem;
    }
    
    .app-info p {
        font-size: 0.875rem;
    }
}

/* Dashboard Showcase */
.dashboard-showcase {
    margin-top: var(--space-0);
    padding: var(--space-12) 0;
}

.dashboard-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-direction: column;
}

@media (min-width: 768px) {
    .dashboard-header {
        flex-direction: row;
        align-items: center;
        gap: var(--space-6);
    }
}

.dashboard-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.dashboard-title {
    flex: 1;
}

.dashboard-title h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.dashboard-title p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: clamp(0.938rem, 2vw, 1.125rem);
    margin: 0;
}

.dashboard-image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: visible;
    background: transparent;
    display: grid;
    grid-template-columns: 1fr;
}

/* Removed border animation */

.dashboard-image-wrapper::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: var(--radius-2xl);
    background: radial-gradient(circle at center, rgba(6, 182, 212, 0.4), rgba(16, 185, 129, 0.2), transparent 70%);
    filter: blur(20px);
    z-index: 0;
    opacity: 0.8;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.02);
    }
}

.dashboard-image {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 2;
    border-radius: var(--radius-2xl);
    grid-column: 1;
    grid-row: 1;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.dashboard-image.active {
    opacity: 1;
}

@media (min-width: 768px) {
    .dashboard-showcase {
        margin-top: var(--space-20);
        padding: var(--space-16) 0;
    }
}

/* ===== INTEGRATIONS ===== */
.integrations {
    background: var(--gray-50);
    padding: var(--space-16) 0;
}

.partners-marquee {
    overflow: hidden;
    padding: var(--space-8) 0;
}

.marquee-track {
    display: flex;
    gap: var(--space-12);
    animation: marquee 30s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-logo {
    flex-shrink: 0;
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.partner-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) opacity(60%);
    transition: var(--transition);
}

.partner-logo:hover img {
    filter: grayscale(0%) opacity(100%);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--white);
}

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

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

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

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

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 100px;
    color: rgba(6, 182, 212, 0.05);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.testimonial-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-author {
    flex-grow: 1;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
    color: var(--gray-900);
}

.testimonial-author p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    color: #F59E0B;
    font-size: 0.875rem;
}

.testimonial-quote {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.metric-tag {
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(239, 68, 68, 0.1));
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* ===== FAQ ===== */
.faq {
    background: var(--gray-50);
}

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

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    border: 2px solid var(--gray-200);
    transition: var(--transition);
    overflow: hidden;
}

.faq-item:hover,
.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    font-family: inherit;
    transition: var(--transition);
}

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

.faq-question i {
    color: var(--primary);
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

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

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-navy) 50%, var(--secondary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.08)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

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

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--white);
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
}

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

.cta-buttons .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px var(--primary-shadow);
}

.cta-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--primary-shadow);
}

.cta-buttons .btn-outline-white {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.cta-buttons .btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.6);
}

.cta-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    font-size: 0.813rem;
    color: rgba(255, 255, 255, 0.85);
}

.cta-note i {
    color: rgba(255, 255, 255, 0.95);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--space-20) 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    gap: var(--space-12);
    align-items: start;
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1.5fr;
    }
}

.contact-info h2 {
    margin-bottom: var(--space-4);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(239, 68, 68, 0.1));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
    color: var(--gray-900);
}

.contact-item p {
    color: var(--gray-600);
}

.contact-form {
    display: grid;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--gray-200);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--gray-900);
    font-size: 0.938rem;
}

.form-group input,
.form-group textarea {
    padding: var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

.contact-form button[type="submit"] {
    grid-column: 1 / -1;
}

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

.footer-content {
    display: grid;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    margin: var(--space-4) 0;
    line-height: 1.7;
    max-width: 300px;
}

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

.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;
}

.social-links {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--gray-800);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

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

.footer-links {
    display: contents;
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-4);
    font-weight: 600;
}

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

.footer-column li {
    margin-bottom: var(--space-2);
}

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-column a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

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

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

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== DARK MODE SPECIFIC STYLES ===== */
[data-theme="dark"] .header {
    background: rgba(10, 25, 41, 0.8);
    border-bottom: 1px solid var(--gray-200);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(10, 25, 41, 0.95);
}

[data-theme="dark"] .nav-menu {
    background: var(--white);
}

[data-theme="dark"] .dropdown-menu {
    background: var(--gray-50);
    border-color: var(--gray-200);
}

[data-theme="dark"] .dropdown-link {
    color: var(--gray-700);
}

[data-theme="dark"] .dropdown-link:hover {
    background: var(--gray-100);
}

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

[data-theme="dark"] .hero-mesh {
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(239, 68, 68, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(19, 47, 76, 0.2) 0%, transparent 50%);
}

[data-theme="dark"] .solutions {
    background: linear-gradient(to top, rgba(27, 62, 96, 0.7) 0%, rgba(10, 25, 41, 0.3) 100%);
}

[data-theme="dark"] .solution-bg-image::before {
    background: linear-gradient(to top, rgba(10, 25, 41, 0.7) 0%, rgba(10, 25, 41, 0.3) 100%);
}

[data-theme="dark"] .solutions .section-title,
[data-theme="dark"] .solution-description,
[data-theme="dark"] .thumbnail-text h4,
[data-theme="dark"] .thumbnail-text p {
    color: #FFFFFF;
}

[data-theme="dark"] .solution-description {
    color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .thumbnail-text p {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .footer {
    background: var(--gray-800);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: #374151;
}

[data-theme="dark"] .footer-brand p,
[data-theme="dark"] .footer-column a,
[data-theme="dark"] .footer-bottom {
    border-top-color: var(--gray-200);
}

[data-theme="dark"] .footer-column h4 {
    color: #000000;
}

[data-theme="dark"] .footer-column a:hover {
    color: var(--primary);
}

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

[data-theme="dark"] .social-links a:hover {
    background: var(--primary);
    color: #000000;
}

[data-theme="dark"] .integrations {
    background: var(--gray-50);
}

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

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

[data-theme="dark"] .partner-logo:hover {
    background: var(--gray-200);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--gray-50);
}

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

[data-theme="dark"] .cta-content h2 {
    color: #FFFFFF;
}

[data-theme="dark"] .cta-content > p,
[data-theme="dark"] .cta-note {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .cta-note i {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    color: var(--gray-900);
    background: var(--white);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: var(--gray-500);
}

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