/* ===================================
   PinHigh Technologies - Styles
   Brand Colors: Blue/Teal + Green
   =================================== */

:root {
    /* Primary Colors - from logo */
    --primary-blue: #0891b2;
    --primary-blue-dark: #0e7490;
    --primary-blue-light: #22d3ee;
    --primary-green: #22c55e;
    --primary-green-dark: #16a34a;
    --primary-green-light: #4ade80;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    --gradient-hero: linear-gradient(135deg, #0c4a6e 0%, #134e5e 50%, #0f4c3a 100%);
    --gradient-card: linear-gradient(135deg, rgba(8, 145, 178, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
    
    /* Neutrals - Light Mode */
    --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;
    
    /* Semantic Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --card-border: #f3f4f6;
    --input-bg: #ffffff;
    --navbar-scrolled-bg: rgba(255, 255, 255, 0.95);
    --navbar-scrolled-text: #374151;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows - Light Mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --card-bg: #1e293b;
    --card-border: #334155;
    --input-bg: #1e293b;
    --navbar-scrolled-bg: rgba(15, 23, 42, 0.95);
    --navbar-scrolled-text: #e2e8f0;
    
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
    --white: #0f172a;
    
    --gradient-card: linear-gradient(135deg, rgba(8, 145, 178, 0.15) 0%, rgba(34, 197, 94, 0.15) 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Reset & Base
   =================================== */

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

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

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

ul, ol {
    list-style: none;
}

/* ===================================
   Container
   =================================== */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(8, 145, 178, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 145, 178, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-block {
    width: 100%;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: flex;
}

.spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--navbar-scrolled-bg);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

.navbar.scrolled .nav-link {
    color: var(--navbar-scrolled-text);
}

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

.navbar.scrolled .nav-cta {
    background: var(--gradient-primary);
    color: #ffffff !important;
}

/* Dark Mode Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: 8px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.9);
    transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

.navbar.scrolled .theme-toggle {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.navbar.scrolled .theme-toggle svg {
    color: var(--navbar-scrolled-text);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.nav-logo img {
    height: 50px;
    width: auto;
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base);
    mix-blend-mode: screen;
}

.nav-logo img:hover {
    transform: scale(1.02);
}

.navbar.scrolled .nav-logo img {
    mix-blend-mode: normal;
    background: var(--bg-primary);
    padding: 4px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.nav-cta:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

.navbar.scrolled .nav-toggle span {
    background: var(--gray-700);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(8, 145, 178, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 197, 94, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 100%, rgba(8, 145, 178, 0.2) 0%, transparent 50%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-logo {
    width: 180px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease;
    border-radius: var(--radius-2xl);
    mix-blend-mode: screen;
}

.hero-title {
    color: var(--white);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-badges {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.badge svg {
    width: 20px;
    height: 20px;
    color: var(--primary-green-light);
}

.badge span {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    transition: color var(--transition-fast);
}

.hero-scroll a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

/* ===================================
   Section Common
   =================================== */

.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
}

/* ===================================
   Services Section
   =================================== */

.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--card-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(8, 145, 178, 0.2);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-blue);
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-500);
    font-size: 15px;
}

/* ===================================
   AI Solutions Section
   =================================== */

.solutions {
    background: var(--bg-primary);
}

.solutions-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.solution-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

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

.solution-number {
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.solution-content h3 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.solution-content > p {
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.solution-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-600);
}

.solution-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary-green);
    border-radius: 50%;
    flex-shrink: 0;
}

.solution-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 280px;
    height: 280px;
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(8, 145, 178, 0.15);
    position: relative;
    overflow: hidden;
}

.visual-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(8, 145, 178, 0.15) 0%, transparent 60%);
}

.visual-card svg {
    width: 100px;
    height: 100px;
    color: var(--primary-blue);
    opacity: 0.8;
}

/* ===================================
   Industries Section
   =================================== */

.industries {
    background: var(--gradient-hero);
    position: relative;
}

.industries::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.industries .section-tag {
    color: var(--primary-green-light);
}

.industries .section-title {
    color: var(--white);
}

.industries .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    position: relative;
    z-index: 1;
}

.industry-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all var(--transition-base);
}

.industry-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.industry-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.industry-icon svg {
    width: 26px;
    height: 26px;
    color: var(--primary-green-light);
}

.industry-card h3 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.industry-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

/* ===================================
   About Section
   =================================== */

.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-tag {
    text-align: left;
}

.about-text .section-title {
    text-align: left;
}

.about-text > p {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-values {
    display: grid;
    gap: 24px;
    margin-top: 40px;
}

.value {
    padding-left: 20px;
    border-left: 3px solid var(--primary-blue);
}

.value h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--gray-800);
}

.value p {
    color: var(--gray-500);
    font-size: 15px;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.stats-card {
    background: var(--card-bg);
    padding: 48px 40px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-md);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.stat-label {
    font-weight: 600;
    color: var(--gray-800);
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-info > p {
    color: var(--gray-600);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-method:hover {
    background: var(--bg-tertiary);
    transform: translateX(8px);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-md);
}

.method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.method-details {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 13px;
    color: var(--gray-500);
}

.method-value {
    font-weight: 600;
    color: var(--gray-800);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius-2xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    font-family: var(--font-family);
    font-size: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 8px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    width: 64px;
    height: 64px;
    color: var(--primary-green);
    margin: 0 auto 20px;
}

.form-success h3 {
    margin-bottom: 12px;
}

.form-success p {
    color: var(--gray-600);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: #0f172a;
    padding: 60px 0 30px;
}

[data-theme="dark"] .footer {
    background: #020617;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-800);
    margin-bottom: 30px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    mix-blend-mode: screen;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 14px;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    color: var(--gray-500);
    font-size: 13px;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .solution-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .solution-item.reverse {
        direction: ltr;
    }
    
    .solution-visual {
        order: -1;
    }
    
    .visual-card {
        width: 200px;
        height: 200px;
    }
    
    .visual-card svg {
        width: 70px;
        height: 70px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--gray-900);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: right var(--transition-base);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--white);
        font-size: 18px;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .theme-toggle {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-logo {
        width: 140px;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .services-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 40px;
    }
    
    .service-card,
    .industry-card {
        padding: 28px 24px;
    }
    
    .hero-scroll {
        display: none;
    }
}