/* ==========================================
   NIB PT Mitra Sarana Tritunggal
   Professional Meta Ads Website Styles
   ========================================== */

/* CSS Variables */
:root {
    /* Navy Blue Color Palette */
    --navy-900: #0a1628;
    --navy-800: #132238;
    --navy-700: #1e3a52;
    --navy-600: #2a4a6c;
    --navy-500: #365a86;
    --navy-400: #4a6b91;
    --navy-300: #5e7c9c;

    /* Accent Colors */
    --accent: #64b5f6;
    --accent-hover: #42a5f5;
    --accent-light: #e3f2fd;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;

    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms;
    --transition-base: 250ms;
    --transition-slow: 350ms;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   Header & Navigation
   ========================================== */

.header {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo .company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--gray-200);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('https://ik.imagekit.io/xcl991/BG-Creative-1');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(10, 22, 40, 0.95) 0%,
        rgba(30, 58, 82, 0.9) 50%,
        rgba(42, 74, 108, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 0 var(--spacing-lg);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-xl);
    color: var(--gray-100);
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================
   Sections
   ========================================== */

.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--navy-900);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.company-name-highlight {
    color: var(--navy-700);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================
   About Section
   ========================================== */

.about {
    background-color: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-description {
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h4 {
    font-size: 1.25rem;
    color: var(--navy-900);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ==========================================
   Services Section
   ========================================== */

.services {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-top: 4px solid var(--navy-600);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--navy-900);
    margin-bottom: var(--spacing-sm);
}

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

.service-features {
    list-style: none;
    padding-left: 0;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ==========================================
   Why Us Section
   ========================================== */

.why-us {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
    color: var(--white);
}

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

.why-us-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.why-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.why-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    min-width: 80px;
}

.why-text h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.why-text p {
    color: var(--gray-200);
    line-height: 1.7;
}

/* ==========================================
   CTA Section
   ========================================== */

.cta {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--navy-900);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--navy-900);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--navy-700);
    line-height: 1.7;
}

.cta-description strong {
    font-weight: 700;
    color: var(--navy-900);
}

/* ==========================================
   Contact Section
   ========================================== */

.contact {
    background-color: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-intro {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1rem;
    color: var(--gray-700);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--navy-900);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

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

/* ==========================================
   Footer
   ========================================== */

.footer {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    color: var(--white);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.footer-brand h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.footer-tagline {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-copyright {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer-link-group h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-link {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--accent);
}

/* ==========================================
   Animations
   ========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==========================================
   Responsive Design
   ========================================== */

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

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

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--navy-800);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

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

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

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

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

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

    .section {
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* ==========================================
   Scrollbar Styling
   ========================================== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--navy-500);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--navy-600);
}

/* ==========================================
   Page Header (for Legal Pages)
   ========================================== */

.page-header {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.page-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--accent);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.page-intro {
    font-size: 1.125rem;
    color: var(--gray-200);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   Legal Document Styles
   ========================================== */

.legal-document {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.document-intro {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
}

.last-updated {
    background: var(--accent-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    color: var(--navy-700);
}

.intro-text,
.agreement-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.agreement-text {
    font-weight: 500;
    color: var(--navy-700);
}

.legal-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.legal-section:last-child {
    border-bottom: none;
}

.legal-section h2 {
    font-size: 1.75rem;
    color: var(--navy-900);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--accent);
}

.legal-section h3 {
    font-size: 1.25rem;
    color: var(--navy-800);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-section h4 {
    font-size: 1.125rem;
    color: var(--navy-700);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.legal-section > p,
.section-intro {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.legal-section ul {
    margin-bottom: var(--spacing-md);
    padding-left: 1.5rem;
}

.legal-section ul li {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

.legal-section ul li::marker {
    color: var(--accent);
}

.legal-section ul li strong,
.legal-section > p strong {
    color: var(--navy-900);
    font-weight: 700;
}

/* ==========================================
   Contact Info Box (Legal Pages)
   ========================================== */

.contact-info-box {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--navy-600);
}

.contact-item-info {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    align-items: center;
}

.info-label {
    font-weight: 600;
    color: var(--navy-900);
    min-width: 150px;
    font-size: 1rem;
}

.info-value {
    color: var(--gray-700);
    font-size: 1rem;
}

.note {
    font-style: italic;
    color: var(--gray-600);
    font-size: 1rem;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-left: 3px solid var(--accent);
}

/* ==========================================
   Privacy & Terms Page Specific Styles
   ========================================== */

.privacy-content,
.terms-content {
    background: var(--gray-100);
}

/* Active state for footer links */
.footer-link.active {
    color: var(--accent);
    font-weight: 600;
}

/* ==========================================
   Responsive Design for Legal Pages
   ========================================== */

@media (max-width: 768px) {
    .legal-document {
        padding: var(--spacing-lg);
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.5rem;
    }

    .legal-section h2 {
        font-size: 1.5rem;
    }

    .legal-section h3 {
        font-size: 1.125rem;
    }

    .contact-item-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .info-label {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .legal-document {
        padding: var(--spacing-md);
    }

    .last-updated {
        display: block;
        text-align: center;
    }

    .legal-section ul {
        padding-left: 1rem;
    }

    .legal-section ul li {
        font-size: 1rem;
    }
}