/* Variables */
:root {
    --primary: #4F46E5;
    /* Indigo */
    --secondary: #06B6D4;
    /* Cyan */
    --accent: #F43F5E;
    /* Coral */
    --dark: #0F172A;
    --light: #F8FAFC;
    --gray: #64748B;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

/* Responsive Container */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 40px 0;
    }
}

.bg-dark {
    background: var(--dark);
    color: var(--light);
}

.text-white {
    color: var(--light);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
    height: 70px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
}

@media (max-width: 480px) {
    .logo span {
        font-size: 1rem;
    }

    .logo svg {
        width: 32px;
        height: 32px;
    }
}

.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
}

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

/* Burger */
.burger {
    display: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 5px 0;
    transition: var(--transition);
}

/* Mobile Nav */
@media (max-width: 1024px) {
    .burger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        font-size: 1.2rem;
    }

    .burger.toggle span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .burger.toggle span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}

/* Hero */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1)), url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
}

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
    }
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.1;
    background: -webkit-linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero Responsive */
@media (max-width: 1024px) {
    .hero {
        min-height: 500px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 450px;
    }

    .hero-content {
        padding: 0 10px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .hero-btns {
        flex-direction: column;
        gap: 10px;
    }

    .hero-btns .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 400px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .badge {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
}

/* Buttons */
.btn {
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
}

@media (max-width: 480px) {
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn-small {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

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

.btn-primary:hover {
    background: var(--secondary);
}

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

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

.btn.full-width {
    width: 100%;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Features Grid */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Section Titles Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

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

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

@media (max-width: 480px) {
    .feature-card {
        padding: 20px;
    }

    .feature-card .icon {
        font-size: 2rem;
    }
}

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

.feature-card .icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

/* Services Masonry style */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.service-item {
    background: var(--dark);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid #333;
}

.service-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.service-item:hover img {
    transform: scale(1.05);
}

.service-info {
    padding: 20px;
}

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

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-info {
        padding: 15px;
    }

    .service-item img {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .service-info {
        padding: 12px;
    }

    .service-item img {
        height: 180px;
    }
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

@media (max-width: 768px) {
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .review-card {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .review-card {
        padding: 20px;
    }

    .review-avatar {
        width: 60px;
        height: 60px;
    }
}

.review-card {
    background: var(--light);
    padding: 30px;
    border-radius: 12px;
    position: relative;
    text-align: center;
}

.review-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    display: block;
    border: 3px solid var(--primary);
}

.stars {
    margin-bottom: 15px;
}

.review-card cite {
    display: block;
    margin-top: 15px;
    font-weight: 600;
    color: var(--primary);
    font-style: normal;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .info-item {
        font-size: 1rem;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .info-item {
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 20px;
    }
}

.info-item i {
    color: var(--secondary);
}

.contact-form {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    transition: var(--transition);
    font-size: 1rem;
}

@media (max-width: 480px) {
    .form-group input {
        padding: 10px;
        font-size: 0.95rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.error-msg {
    color: var(--accent);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.form-group.error input {
    border-color: var(--accent);
}

.form-group.error .error-msg {
    display: block;
}

.form-note {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 15px;
    text-align: center;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .contact-wrapper {
        gap: 25px;
    }
}

/* Footer */
footer {
    background: #f1f5f9;
    padding: 60px 0 20px;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.logo-footer {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: block;
}

.footer-col h4 {
    margin-bottom: 20px;
    color: var(--primary);
}

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

.footer-col a {
    color: var(--gray);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--gray);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    footer {
        padding: 40px 0 20px;
    }
}

@media (max-width: 480px) {
    footer {
        padding: 30px 0 15px;
    }

    .footer-col h4 {
        font-size: 1rem;
        margin-bottom: 15px;
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: #fff;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    padding: 40px;
    border-radius: 12px;
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    overflow-y: auto;
}

@media (max-width: 768px) {
    .modal {
        width: 95%;
        padding: 30px 20px;
        max-height: 85vh;
    }

    .modal-content h3 {
        font-size: 1.5rem;
    }

    .modal-content h4 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .modal {
        width: 100%;
        padding: 25px 15px;
        border-radius: 0;
        max-height: 90vh;
    }

    .modal-content h3 {
        font-size: 1.3rem;
    }

    .modal-content h4 {
        font-size: 1rem;
    }

    .modal-close {
        top: 10px;
        right: 10px;
        font-size: 1.3rem;
    }
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
}

.modal-content h3 {
    margin-bottom: 20px;
    color: var(--primary);
    font-size: 1.8rem;
}

.modal-content h4 {
    margin-top: 20px;
    margin-bottom: 15px;
    color: var(--primary);
    font-size: 1.3rem;
}

.modal-content p,
.modal-content li {
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.6;
}

.modal-content ul,
.modal-content ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.modal-content ul {
    list-style: disc;
}

.modal-content ol {
    list-style: decimal;
}

.modal-content a {
    color: var(--primary);
    text-decoration: underline;
}

.modal-content a:hover {
    color: var(--secondary);
}