/* ==========================================
   MYDEVWEB - CSS DESIGN SYSTEM
   ========================================== */

/* CSS VARIABLES */
:root {
    /* Colors - Purple/Pink Gradient Theme */
    --color-primary: #8B5CF6;
    --color-primary-dark: #7C3AED;
    --color-primary-light: #A78BFA;
    --color-secondary: #EC4899;
    --color-secondary-dark: #DB2777;
    --color-secondary-light: #F472B6;
    
    /* Pastel Backgrounds */
    --color-bg-purple-light: #F3E8FF;
    --color-bg-pink-light: #FCE7F3;
    --color-bg-blue-light: #EEF2FF;
    --color-bg-violet-light: #F5F3FF;
    
    /* Service Card Colors */
    --color-service-blue: #6366F1;
    --color-service-pink: #EC4899;
    --color-service-purple: #A855F7;
    --color-service-violet: #8B5CF6;
    
    /* Neutral Colors */
    --color-black: #000000;
    --color-gray-900: #111827;
    --color-gray-800: #1F2937;
    --color-gray-700: #374151;
    --color-gray-600: #4B5563;
    --color-gray-500: #6B7280;
    --color-gray-400: #9CA3AF;
    --color-gray-300: #D1D5DB;
    --color-gray-200: #E5E7EB;
    --color-gray-100: #F3F4F6;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Layout */
    --container-max-width: 1280px;
    --header-height: 80px;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-sm {
    font-size: 0.875rem;
}

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

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

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

@media (min-width: 768px) {
    .logo img {
        height: 60px;
    }
}

.nav-links {
    display: none;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    position: relative;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav .btn-primary {
    display: none;
}

@media (min-width: 1024px) {
    .nav .btn-primary {
        display: inline-flex;
    }
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn svg {
    transition: var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding-top: calc(var(--header-height) + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    background: linear-gradient(180deg, var(--color-bg-purple-light) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.badge svg {
    color: var(--color-primary);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

/* ==========================================
   SERVICES SECTION
   ========================================== */

.services {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-card {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card-blue {
    background: var(--color-bg-blue-light);
}

.service-card-blue::before {
    background: var(--color-service-blue);
}

.service-card-pink {
    background: var(--color-bg-pink-light);
}

.service-card-pink::before {
    background: var(--color-service-pink);
}

.service-card-purple {
    background: var(--color-bg-purple-light);
}

.service-card-purple::before {
    background: var(--color-service-purple);
}

.service-card-violet {
    background: var(--color-bg-violet-light);
}

.service-card-violet::before {
    background: var(--color-service-violet);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-base);
}

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

.service-icon-blue {
    background: var(--color-service-blue);
    color: var(--color-white);
}

.service-icon-pink {
    background: var(--color-service-pink);
    color: var(--color-white);
}

.service-icon-purple {
    background: var(--color-service-purple);
    color: var(--color-white);
}

.service-icon-violet {
    background: var(--color-service-violet);
    color: var(--color-white);
}

.service-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-purple-light) 100%);
}

.about-content {
    display: grid;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.about-paragraph {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.values-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

@media (min-width: 640px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
}

.value-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    z-index: 1;
}

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

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.contact-wrapper {
    display: grid;
    gap: var(--spacing-3xl);
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-4xl);
    }
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.contact-info .section-description {
    text-align: left;
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-detail {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-purple-light);
    border-radius: var(--radius-xl);
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-icon-phone {
    background: linear-gradient(135deg, var(--color-service-blue), var(--color-primary));
    color: var(--color-white);
}

.contact-icon-hours {
    background: linear-gradient(135deg, var(--color-service-purple), var(--color-secondary));
    color: var(--color-white);
}

.contact-detail h4 {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.contact-detail p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-gray-800);
    transition: var(--transition-fast);
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-group label {
    flex: 1;
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
}

.privacy-link {
    color: var(--color-primary);
    text-decoration: underline;
}

.privacy-link:hover {
    color: var(--color-primary-dark);
}

.btn-submit {
    width: 100%;
    position: relative;
}

.btn-submit .btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: inline;
}

.btn-submit.loading {
    pointer-events: none;
    opacity: 0.7;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    text-align: center;
    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;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-purple-light) 100%);
    border-top: 1px solid var(--color-gray-200);
}

.footer-content {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-gray-200);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.footer-logo img {
    height: 36px;
    width: auto;
}

.footer-tagline {
    color: var(--color-gray-600);
    max-width: 400px;
}

.footer-links-section h4 {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-600);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copyright {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-copyright svg {
    color: var(--color-secondary);
}

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

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

/* ==========================================
   PRIVACY MODAL
   ========================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-gray-600);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

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

.modal-body h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.modal-body ul {
    list-style: disc;
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.modal-body ul li {
    color: var(--color-gray-600);
    line-height: 1.7;
}

.modal-body strong {
    color: var(--color-gray-800);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ==========================================
   RESPONSIVE UTILITIES
   ========================================== */

@media (max-width: 767px) {
    .hero {
        padding-top: calc(var(--header-height) + var(--spacing-2xl));
        padding-bottom: var(--spacing-2xl);
    }
    
    .services,
    .about,
    .contact {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
}