/* ==========================================
   EISTON PAKETLEME - MAIN STYLESHEET
   Modern, Professional Design
   ========================================== */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --primary: #1B5E8C;
    --primary-dark: #134161;
    --primary-light: #2980B9;
    --secondary: #E67E22;
    --secondary-light: #F39C12;
    --accent: #27AE60;

    --dark: #0F172A;
    --dark-light: #1E293B;
    --gray-900: #1A1A2E;
    --gray-800: #2D2D44;
    --gray-700: #404060;
    --gray-600: #64748B;
    --gray-500: #94A3B8;
    --gray-400: #CBD5E1;
    --gray-300: #E2E8F0;
    --gray-200: #F1F5F9;
    --gray-100: #F8FAFC;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1B5E8C 0%, #2980B9 50%, #3498DB 100%);
    --gradient-secondary: linear-gradient(135deg, #E67E22 0%, #F39C12 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1B2838 30%, #1B5E8C 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1280px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-glow: 0 0 40px rgba(27, 94, 140, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

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

/* ---------- Preloader ---------- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    position: relative;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--primary-light);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
}

.loader-inner::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 3px solid transparent;
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: loaderSpin 0.6s linear infinite reverse;
}

.loader-emblem {
    width: 46px;
    height: 46px;
    z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
    animation: pulseEmblem 1.6s ease-in-out infinite;
}

@keyframes pulseEmblem {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

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

/* ---------- Header / Navbar ---------- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
}

#header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
}

#header.scrolled .logo .logo-dark {
    display: block;
}

#header.scrolled .logo .logo-light {
    display: none;
}

#header.scrolled .nav-links a {
    color: var(--gray-700);
}

#header.scrolled .nav-links a:hover,
#header.scrolled .nav-links a.active {
    color: var(--primary);
}

#header.scrolled .nav-phone {
    color: var(--primary);
}

#header.scrolled .hamburger span {
    background: var(--dark);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    z-index: 101;
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
    transition: var(--transition-normal);
}

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

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

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(27, 94, 140, 0.4);
}

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

.logo-name {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 2px;
    line-height: 1.2;
    transition: var(--transition-normal);
}

.logo-tagline {
    font-size: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition-normal);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-full);
    position: relative;
    transition: var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

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

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.nav-phone:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(27, 94, 140, 0.4);
}

.nav-phone i {
    font-size: 13px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

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

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

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(27, 94, 140, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(230, 126, 34, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(41, 128, 185, 0.05) 0%, transparent 70%);
}

.floating-shapes .shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(27, 94, 140, 0.1) 0%, rgba(41, 128, 185, 0.05) 100%);
    animation: float 6s ease-in-out infinite;
}

.shape-1 { width: 300px; height: 300px; top: 10%; right: -5%; animation-delay: 0s; }
.shape-2 { width: 200px; height: 200px; bottom: 15%; left: -3%; animation-delay: 2s; }
.shape-3 { width: 150px; height: 150px; top: 40%; right: 20%; animation-delay: 4s; }
.shape-4 { width: 100px; height: 100px; bottom: 30%; right: 40%; animation-delay: 1s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(27, 94, 140, 0.2);
    border: 1px solid rgba(41, 128, 185, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    font-size: 14px;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #3498DB 0%, #2ECC71 50%, #F39C12 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(27, 94, 140, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(27, 94, 140, 0.5);
}

.btn-primary i {
    transition: transform var(--transition-normal);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 28px 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(27, 94, 140, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- About Section ---------- */
.about {
    background: var(--gray-100);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    font-size: 16px;
    color: var(--gray-700);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--dark);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
}

.feature-icon {
    color: var(--accent);
    font-size: 16px;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-left: 4px solid transparent;
    transition: var(--transition-normal);
}

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

.vision-card {
    border-left-color: var(--primary);
}

.mission-card {
    border-left-color: var(--secondary);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.vision-card .card-icon {
    background: rgba(27, 94, 140, 0.1);
    color: var(--primary);
}

.mission-card .card-icon {
    background: rgba(230, 126, 34, 0.1);
    color: var(--secondary);
}

.info-card h3 {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.info-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ---------- Product Categories Preview ---------- */
.products-preview {
    background: var(--white);
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.category-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.category-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
    opacity: 0.03;
}

.category-icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: var(--radius-md);
    background: rgba(27, 94, 140, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

.category-card:hover .category-icon {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(27, 94, 140, 0.3);
}

.category-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.category-content h3 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.category-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 8px;
}

.category-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(27, 94, 140, 0.08);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.category-arrow {
    position: relative;
    z-index: 1;
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: var(--transition-normal);
}

.category-card:hover .category-arrow {
    background: var(--primary);
    color: var(--white);
    transform: translateX(4px);
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ---------- Services Section ---------- */
.services {
    background: var(--gray-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 40px 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid transparent;
    position: relative;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(27, 94, 140, 0.1);
}

.service-icon-wrapper {
    margin-bottom: 24px;
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(27, 94, 140, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(27, 94, 140, 0.3);
    transform: scale(1.1);
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ---------- Why Us Section ---------- */
.why-us {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(27, 94, 140, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(230, 126, 34, 0.1) 0%, transparent 50%);
}

.why-us .section-tag {
    background: rgba(27, 94, 140, 0.2);
    color: var(--primary-light);
}

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

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.why-card {
    padding: 40px 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(27, 94, 140, 0.3);
    transform: translateY(-6px);
}

.why-number {
    font-family: var(--font-primary);
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(27, 94, 140, 0.4) 0%, rgba(41, 128, 185, 0.2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.why-card h3 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-primary);
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content .gradient-text {
    background: linear-gradient(135deg, #F39C12 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

/* ---------- Contact Section ---------- */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.contact-card:hover {
    background: var(--gray-100);
}

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: var(--radius-md);
    background: rgba(27, 94, 140, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.contact-detail h4 {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.contact-detail p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
}

.contact-detail a {
    color: var(--gray-600);
}

.contact-detail a:hover {
    color: var(--primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.contact-form h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition-normal);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 94, 140, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Map */
.map-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: inline-block;
    margin-bottom: 24px;
}

.footer-logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.footer-about p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-grid h4 {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.footer-links ul li,
.footer-products ul li,
.footer-contact ul li {
    margin-bottom: 12px;
}

.footer-links ul a,
.footer-products ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition-normal);
}

.footer-links ul a:hover,
.footer-products ul a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact ul li i {
    color: var(--primary-light);
    width: 16px;
    text-align: center;
}

.footer-contact ul a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ---------- WhatsApp Button ---------- */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99;
    animation: whatsappPulse 2s ease infinite;
    transition: var(--transition-normal);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 18px;
        color: var(--white) !important;
        padding: 12px 24px;
    }

    .hamburger {
        display: flex;
    }

    .nav-phone span {
        display: none;
    }

    .nav-phone {
        width: 40px;
        height: 40px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }

    .hero-content {
        padding: 100px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .hero-scroll {
        display: none;
    }

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

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo-img {
        height: 38px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-desc {
        font-size: 15px;
    }

    .category-card {
        padding: 20px;
        gap: 16px;
    }

    .category-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 20px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .whatsapp-btn {
        bottom: 20px;
        left: 20px;
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}
