/*
 * EAvision Tarım Dronları - Ana Stil Dosyası
 * Modern, Premium & SEO Optimized
 */

/* ========================================
   CSS Variables - Renk Paleti
   ======================================== */
:root {
    /* Ana Renkler */
    --color-primary: #0066CC;
    --color-primary-dark: #004C99;
    --color-primary-light: #3399FF;

    --color-secondary: #28A745;
    --color-secondary-dark: #1E7E34;
    --color-secondary-light: #48C764;

    --color-accent: #00D4FF;
    --color-accent-glow: rgba(0, 212, 255, 0.3);

    /* Nötr Renkler */
    --color-dark: #1A1A2E;
    --color-dark-soft: #2D2D44;
    --color-gray-900: #212529;
    --color-gray-800: #343A40;
    --color-gray-700: #495057;
    --color-gray-600: #6C757D;
    --color-gray-500: #ADB5BD;
    --color-gray-400: #CED4DA;
    --color-gray-300: #DEE2E6;
    --color-gray-200: #E9ECEF;
    --color-gray-100: #F8F9FA;
    --color-white: #FFFFFF;

    /* Gradyanlar */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 212, 255, 0.9) 100%);

    /* Tipografi */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', 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;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(0, 102, 204, 0.3);
    --shadow-glow-green: 0 0 40px rgba(40, 167, 69, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

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

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 {
    font-size: var(--font-size-5xl);
}

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

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

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-accent {
    color: var(--color-accent);
}

.text-muted {
    color: var(--color-gray-600);
}

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: var(--spacing-4xl) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-xl);
    width: 100%;
}

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

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

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

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

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

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-end {
    justify-content: flex-end;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.gap-xl {
    gap: var(--spacing-xl);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-dark);
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text .brand {
    font-size: var(--font-size-lg);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .tagline {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

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

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

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

.header-cta {
    display: flex;
    gap: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

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

.btn-outline-white {
    border: 2px solid var(--color-white);
    color: var(--color-white);
    background: transparent;
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-description {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s ease 0.4s both;
}

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

.hero-stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-accent);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Floating Elements */
.hero-floating {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
}

.hero-floating img {
    width: 100%;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.3));
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover .card-image-overlay {
    opacity: 1;
}

.card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.card-text {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-100);
}

/* Product Card */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.product-card-image {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-card-image img {
    max-height: 90%;
    max-width: 90%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.1);
}

.product-card-body {
    padding: var(--spacing-xl);
}

.product-card-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.product-card-desc {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.product-card-spec {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.product-card-spec svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.product-card-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--color-gray-100);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    transition: transform var(--transition-spring);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.feature-text {
    color: var(--color-gray-600);
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 102, 204, 0.1);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-white);
}

.cta-title {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
}

/* ========================================
   Contact Form & Forms
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-dark);
}

.form-label.required::after {
    content: ' *';
    color: #DC3545;
}

.form-control {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control::placeholder {
    color: var(--color-gray-500);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236C757D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: var(--spacing-3xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 50px;
}

.footer-logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-desc {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: var(--spacing-sm);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-400);
}

.footer-contact li svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

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

.footer-bottom-links a {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

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

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero-floating {
        display: none;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    h1 {
        font-size: var(--font-size-4xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    h3 {
        font-size: var(--font-size-2xl);
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .btn {
        width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
    }
}

/* ========================================
   Product Card Responsive
   ======================================== */

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

/* Mobile */
@media (max-width: 768px) {
    .product-card-image {
        height: 200px;
    }

    .product-card-body {
        padding: var(--spacing-lg);
    }

    .product-card-title {
        font-size: var(--font-size-xl);
    }

    .product-card-actions {
        flex-direction: column;
    }

    .product-card-actions .btn {
        width: 100%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .product-card-specs {
        justify-content: center;
    }
}