/* ========================================
   TECHVISION - COMPLETE TEMPLATE STYLES
   ======================================== */

/* === CSS Variables === */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7c3aed;
    --accent: #06b6d4;
    --white: #ffffff;
    --black: #000000;
    --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;
    --font: 'Poppins', sans-serif;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

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

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

.btn-dark {
    background: var(--gray-800);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--gray-900);
}

.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-header { margin-left: 20px; }

/* ========================================
   HEADER
   ======================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 9999;
    display: flex;
    align-items: center;
}

.header-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo span {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.nav-menu > li > a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--primary);
}

.nav-menu > li > a i {
    font-size: 10px;
    margin-left: 5px;
}

/* Submenu */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    margin-top: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.submenu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--gray-600);
    transition: all var(--transition);
}

.submenu li a:hover {
    background: var(--gray-50);
    color: var(--primary);
    padding-left: 25px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    margin: 5px 0;
    transition: all var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .mobile-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 20px 30px;
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        transition: right var(--transition);
        overflow-y: auto;
        z-index: 9999;
    }
    
    .main-nav.open {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-menu > li {
        width: 100%;
    }
    
    .nav-menu > li > a {
        width: 100%;
        padding: 15px;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: var(--gray-50);
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }
    
    .has-submenu.open .submenu {
        max-height: 300px;
    }
    
    .btn-header {
        margin: 20px 0 0;
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   HERO SLIDER
   ======================================== */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    margin-top: 80px;
    overflow: hidden;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(124, 58, 237, 0.9));
}

.slide-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 20px;
}

.slide-content h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 20px;
}

.slide-content h1 span {
    background: linear-gradient(135deg, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.slide-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin-bottom: 30px;
}

.slide-buttons {
    display: flex;
    gap: 15px;
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.slider-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition);
}

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

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.4);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
}

.dot.active,
.dot:hover {
    background: var(--white);
    transform: scale(1.2);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-header h2 {
    margin-bottom: 15px;
}

.section-header p {
    color: var(--gray-600);
}

/* Services */
.services-section {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--primary);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 10px;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
}

.service-link {
    font-weight: 500;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 130px;
    height: 130px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 700;
}

.experience-badge .text {
    font-size: 11px;
    text-align: center;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 25px 0;
}

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

.about-features i {
    color: var(--primary);
}

/* Counter */
.counter-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 60px 0;
}

.counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.counter-item {
    text-align: center;
    color: var(--white);
}

.counter-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.counter-label {
    font-size: 15px;
    opacity: 0.9;
}

/* Pricing */
.pricing-section {
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 20px;
    border-radius: 50px;
}

.pricing-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.pricing-price {
    margin-bottom: 25px;
}

.pricing-price .currency {
    font-size: 1.25rem;
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 700;
}

.pricing-price .period {
    color: var(--gray-500);
}

.pricing-features {
    margin-bottom: 25px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--primary);
}

.pricing-features li.disabled {
    color: var(--gray-400);
}

.pricing-features li.disabled i {
    color: var(--gray-300);
}

/* CTA */
.cta-section {
    background: var(--gray-900);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 15px;
}

.cta-content p {
    color: var(--gray-400);
    margin-bottom: 25px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ========================================
   FOOTER
   ======================================== */
.main-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.5fr;
    gap: 30px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-brand p {
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius);
    transition: all var(--transition);
}

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

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

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

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

.footer-contact i {
    color: var(--primary);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

/* Back to Top */
.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
}

.back-top:hover {
    transform: translateY(-5px);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1199px) {
    .slide-content h1 { font-size: 3rem; }
    
    .services-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .counter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .slide-content h1 { font-size: 2.5rem; }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        margin-bottom: 30px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 767px) {
    section { padding: 50px 0; }
    
    .slide-content h1 { font-size: 2rem; }
    
    .slide-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .slide-buttons .btn {
        width: 100%;
    }
    
    .services-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .counter-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        width: 100px;
        height: 100px;
        bottom: -10px;
        right: 10px;
    }
    
    .experience-badge .number {
        font-size: 2rem;
    }
}

/* ========================================
   ADDITIONAL PAGES
   ======================================== */

/* Page Header */
.page-header {
    position: relative;
    height: 400px;
    margin-top: 80px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(124, 58, 237, 0.9));
}

.page-content {
    position: relative;
    text-align: center;
    color: var(--white);
}

.page-content h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 10px;
}

.page-content p {
    font-size: 18px;
    opacity: 0.9;
}

/* Team Section */
.team-section {
    background: var(--gray-50);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
}

.team-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
}

.team-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.team-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.team-card p {
    color: var(--gray-500);
    font-size: 14px;
}

@media (max-width: 991px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        height: 300px;
    }
    
    .page-content h1 {
        font-size: 2rem;
    }
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--white);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.contact-info p {
    opacity: 0.9;
    margin-bottom: 30px;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    font-size: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

textarea.form-control {
    resize: vertical;
}

@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Styles */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.form-checkbox input {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox span {
    font-size: 14px;
    color: var(--gray-600);
}

.form-checkbox a {
    color: var(--primary);
    text-decoration: underline;
}

.form-message {
    margin-top: 15px;
    padding: 12px 15px;
    border-radius: var(--radius);
    font-size: 14px;
    display: none;
}

.form-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Honeypot (spam protection) */
.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    z-index: -1;
}

/* Newsletter Form */
.footer-newsletter h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-newsletter p {
    margin-bottom: 15px;
    font-size: 14px;
}

.newsletter-input-group {
    display: flex;
    gap: 10px;
}

.newsletter-input-group input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
}

.newsletter-input-group button {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--radius);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition);
}

.newsletter-input-group button:hover {
    transform: translateY(-2px);
}

.newsletter-message {
    margin-top: 10px;
    font-size: 13px;
    display: none;
}

.newsletter-message.success {
    display: block;
    color: #6ee7b7;
}

.newsletter-message.error {
    display: block;
    color: #fca5a5;
}

@media (max-width: 1199px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand {
        grid-column: span 3;
        margin-bottom: 20px;
    }
}

@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
}