/**
 * PAPLONTECH - Main Stylesheet
 * Professional Dark Blue Theme
 * 
 * Color Palette:
 * - Primary: #1a2a3a (Dark Navy)
 * - Secondary: #2c3e50 (Dark Blue-Gray)
 * - Accent: #3498db (Bright Blue)
 * - Light: #ecf0f1 (Light Gray)
 * - Dark: #0d1b2a (Very Dark Blue)
 * - White: #ffffff
 * - Text: #2c3e50
 * 
 * Font: Inter (primary), Poppins (headings)
 */

/* ============================================================
   CSS VARIABLES & RESET
   ============================================================ */
:root {
    --primary: #1a2a3a;
    --primary-dark: #0d1b2a;
    --primary-light: #2c3e50;
    --secondary: #34495e;
    --accent: #3498db;
    --accent-hover: #2980b9;
    --accent-light: #5dade2;
    --light: #ecf0f1;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --white: #ffffff;
    --black: #000000;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;
    --navbar-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    margin-bottom: 0.5rem;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.8;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-title h2 {
    color: var(--primary-dark);
}

.section-title .subtitle {
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
    height: var(--navbar-height);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
    padding: 8px 0;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

/* ============================================================
   MOBILE TOGGLE BUTTON - FIXED
   ============================================================ */
.mobile-toggle {
    display: none;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--gray-700);
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.mobile-toggle:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
}

.mobile-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================================
   MOBILE NAVIGATION OVERLAY & MENU - FIXED
   ============================================================ */

/* Overlay Backdrop */
.mobile-nav-overlay {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

/* Mobile Menu (Slide-in from left) */
.mobile-nav-menu {
    position: fixed;
    top: var(--navbar-height);
    left: -320px;
    width: 300px;
    max-width: 85%;
    height: calc(100vh - var(--navbar-height));
    background: var(--white);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    overflow-y: auto;
    overflow-x: hidden;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px 0;
}

.mobile-nav-menu.open {
    left: 0;
}

/* Mobile Navigation List */
.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-item {
    margin-bottom: 2px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 24px;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    border-radius: 0;
    border-left: 3px solid transparent;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-primary);
}

.mobile-nav-link i {
    width: 24px;
    font-size: 1.1rem;
    color: var(--gray-500);
    transition: var(--transition);
    text-align: center;
}

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

.mobile-nav-link:hover i {
    color: var(--accent);
}

.mobile-nav-link.active {
    background: var(--gray-100);
    color: var(--primary);
    border-left-color: var(--accent);
}

.mobile-nav-link.active i {
    color: var(--accent);
}

/* Mobile Divider */
.mobile-nav-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 12px 24px;
}

/* Mobile Language Toggle */
.mobile-lang-toggle {
    color: var(--gray-600);
    font-weight: 600;
}

.mobile-lang-toggle i {
    color: var(--gray-500);
}

.mobile-lang-toggle:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* Mobile CTA Button */
.mobile-cta {
    background: var(--primary);
    color: var(--white) !important;
    border-radius: var(--radius-sm);
    margin: 0 16px;
    width: calc(100% - 32px);
    justify-content: center;
    padding: 14px;
    font-weight: 600;
}

.mobile-cta i {
    color: var(--white) !important;
}

.mobile-cta:hover {
    background: var(--primary-dark);
    color: var(--white) !important;
    transform: translateY(-2px);
}

/* ============================================================
   DESKTOP NAVIGATION
   ============================================================ */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.nav-link.active {
    color: var(--white);
    background: var(--primary);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-700);
    transition: var(--transition);
}

.lang-toggle:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
}

.lang-toggle i {
    font-size: 0.9rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
    transform: translateY(-2px);
}

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

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

.btn-accent {
    background: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(52, 152, 219, 0.05);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    color: var(--white);
    margin-bottom: 16px;
}

.hero-text h1 .highlight {
    color: var(--accent-light);
}

.hero-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    max-width: 520px;
    margin-bottom: 32px;
}

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

.hero-buttons .btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.hero-buttons .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
}

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

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.stat-item span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background: var(--gray-100);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 48px;
}

.service-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-icon {
    width: 72px;
    height: 72px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
}

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

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

.service-card .service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent);
}

.service-card .service-link:hover {
    gap: 10px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-content h2 {
    margin-bottom: 16px;
}

.about-content p {
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature i {
    color: var(--accent);
    font-size: 1.2rem;
}

/* ============================================================
   TECHNOLOGY SECTION
   ============================================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.tech-item {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.tech-item span {
    display: block;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--gray-700);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 48px;
}

.contact-info h3 {
    margin-bottom: 16px;
}

.contact-details {
    margin-top: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-detail i {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.contact-detail p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

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

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 48px;
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.portfolio-card-image {
    height: 220px;
    background: var(--gray-200);
    overflow: hidden;
}

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

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

.portfolio-card-content {
    padding: 24px;
}

.portfolio-card-content .category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 6px;
}

.portfolio-card-content h3 {
    margin-bottom: 8px;
}

.portfolio-card-content p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 48px;
}

.testimonial-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.testimonial-card .stars {
    color: #f39c12;
    margin-bottom: 12px;
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-card .author-image {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-200);
    overflow: hidden;
}

.testimonial-card .author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-card .author-info h4 {
    font-size: 0.95rem;
}

.testimonial-card .author-info span {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-section .btn {
    background: var(--accent);
    color: var(--white);
}

.cta-section .btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.4);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 35px;
    width: auto;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
}

.footer-about {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    width: 20px;
    color: var(--accent);
    font-size: 1rem;
    margin-top: 3px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-separator {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.2);
}

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

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

/* ============================================================
   RESPONSIVE DESIGN - FIXED
   ============================================================ */

/* Tablets and below - Show mobile menu */
@media (max-width: 1024px) {
    /* Hide desktop navigation */
    .nav-menu {
        display: none;
    }
    
    /* Show mobile toggle button */
    .mobile-toggle {
        display: flex;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto 32px;
    }

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

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

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

    .about-features {
        justify-items: center;
    }

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

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    :root {
        --navbar-height: 60px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-item h3 {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

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

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Mobile menu adjustments */
    .mobile-nav-menu {
        width: 280px;
        max-width: 85%;
    }
    
    .mobile-nav-link {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .container {
        padding: 0 12px;
    }

    section {
        padding: 60px 0;
    }
    
    .mobile-nav-menu {
        width: 260px;
        max-width: 90%;
    }
    
    .mobile-nav-link {
        padding: 10px 16px;
        font-size: 0.9rem;
        gap: 10px;
    }
    
    .mobile-nav-link i {
        width: 20px;
        font-size: 1rem;
    }
}