/* Global CSS for kawanweb.id */
/* Modern, minimal, premium, clean, professional */

:root {
    /* Colors */
    --color-primary: #2563eb; /* Vibrant Blue */
    --color-primary-hover: #1d4ed8;
    --color-text-main: #1f2937; /* Gray 800 */
    --color-text-muted: #6b7280; /* Gray 500 */
    --color-text-light: #f9fafb; /* Gray 50 */
    --color-bg-body: #ffffff;
    --color-bg-footer: #020617; /* Slate 950 */
    --color-border: #e5e7eb; /* Gray 200 */

    /* Typography */
    --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    --nav-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
}

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

body {
    font-family: var(--font-family-base);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

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

ul, ol {
    list-style: none;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #111827;
}

p {
    margin-bottom: 1.5rem;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

main {
    flex: 1; /* Push footer to bottom */
    padding-top: calc(var(--nav-height) + 2rem); /* Account for fixed navbar */
}

/* --- General Section Styles (moved from home) --- */
.section {
    padding: 6rem 0;
}

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

.section-gray {
    background-color: #f8fafc; /* Slate 50 */
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: inherit;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}
.section-dark .section-header p {
    color: #9ca3af;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1), 0 2px 4px -1px rgba(37, 99, 235, 0.06);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.1), 0 4px 6px -2px rgba(37, 99, 235, 0.05);
}

/* --- Header & Navbar --- */
/* Navbar Entrance Animation */
@keyframes navFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1001; /* Keep above mobile drawer */
}

.nav-brand img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-menu {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: var(--container-max-width);
    padding: 0 var(--container-padding);
    height: var(--nav-height);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2rem;
    z-index: 1001;
    pointer-events: none;
}

.nav-links, .nav-cta {
    pointer-events: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: #475569;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.2s ease;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Premium CTA */
.nav-cta .btn-primary {
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 0.5rem;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1), 0 2px 4px -1px rgba(37, 99, 235, 0.06);
    transition: all 0.3s ease;
}

.nav-cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.15), 0 4px 6px -2px rgba(37, 99, 235, 0.05);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1001; /* Above mobile menu */
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    position: relative;
    transition: background-color 0.3s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: inherit;
    left: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    bottom: -8px;
}

/* Mobile Menu Active State */
body.nav-open {
    /* overflow hidden moved to nav-open-locked for better mobile support */
}

/* Robust Body Scroll Lock */
body.nav-open-locked {
    position: fixed;
    left: 0;
    width: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}

body.nav-open .nav-toggle-icon {
    background-color: transparent;
}

body.nav-open .nav-toggle-icon::before {
    transform: translateY(8px) rotate(45deg);
    background-color: var(--color-text-main);
}

body.nav-open .nav-toggle-icon::after {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--color-text-main);
}


/* --- Footer --- */
.site-footer {
    background-color: var(--color-bg-footer);
    color: #94a3b8; /* Slate 400 */
    padding: 6rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.footer-col-brand h4 {
    font-size: 1.5rem;
    text-transform: none;
    letter-spacing: normal;
    margin-bottom: 1rem;
}

.footer-col-brand p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.social-links a {
    color: #94a3b8;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: color 0.3s ease, background-color 0.3s ease, transform 0.3s ease;
}

.social-links a svg {
    width: 22px;
    height: 22px;
    display: block;
}

.social-links a:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #94a3b8;
    padding: 0;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-info li {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-contact-info span {
    display: block;
    color: #ffffff;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.footer-wa-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-wa-link:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.95rem;
    margin: 0;
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 1.5rem;
    }
}

/* --- Responsive Breakpoints --- */
@media (max-width: 1199px) {
    .nav-toggle {
        display: block;
    }

    .nav-overlay {
        display: none; /* No overlay needed for full screen drawer */
    }

    body.nav-open .site-header {
        background-color: #ffffff;
        border-bottom-color: transparent;
        box-shadow: none;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        width: 100%;
        height: 100dvh;
        max-width: none;
        background-color: #ffffff;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: calc(var(--nav-height) + 2rem) var(--container-padding) 3rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
        opacity: 1;
        visibility: hidden;
        z-index: 999; /* Below site-header to keep logo/hamburger visible */
        overflow-y: auto;
        overscroll-behavior: none;
        pointer-events: auto;
    }

    body.nav-open .nav-menu {
        transform: translateX(0);
        visibility: visible;
        box-shadow: none;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.25rem; /* highly compact gap */
        text-align: left;
        width: 100%;
        margin-bottom: 2rem; /* Clear space before CTA */
        list-style: none;
    }

    .nav-links a {
        font-size: 1.125rem;
        line-height: 1.2;
        font-weight: 500;
        padding: 0.625rem 0; /* Ensures touch target around 42-44px */
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        display: block;
        width: 100%;
    }

    body.nav-open .nav-links a {
        opacity: 1;
        transform: translateX(0);
    }
    
    /* Staggered entrance for links */
    body.nav-open .nav-links li:nth-child(1) a { transition-delay: 0.1s; }
    body.nav-open .nav-links li:nth-child(2) a { transition-delay: 0.15s; }
    body.nav-open .nav-links li:nth-child(3) a { transition-delay: 0.2s; }
    body.nav-open .nav-links li:nth-child(4) a { transition-delay: 0.25s; }
    body.nav-open .nav-links li:nth-child(5) a { transition-delay: 0.3s; }
    body.nav-open .nav-links li:nth-child(6) a { transition-delay: 0.35s; }
    
    .nav-cta {
        margin-top: 0;
        width: 100%;
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease 0.4s, transform 0.3s ease 0.4s;
    }
    
    .nav-cta .btn {
        width: 100%;
        padding: 1rem; /* Larger touch target for mobile CTA */
        font-size: 1.125rem;
    }

    body.nav-open .nav-cta {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition: none;
    }
}

/* ==========================================================================
   Global Floating WhatsApp
   ========================================================================== */
.floating-wa-global-wrapper {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
    z-index: 900; /* Below nav-menu which is 999 */
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

/* Hide entirely when mobile navigation is open */
body.nav-open .floating-wa-global-wrapper {
    opacity: 0;
    visibility: hidden;
    pointer-events: none !important;
}

.floating-wa-container-inner {
    position: relative;
    height: 100%;
}

.floating-wa-container {
    position: absolute;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    right: var(--container-padding);
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none; /* Ignore clicks while invisible */
}

.floating-wa-container.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.floating-wa-btn {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    text-decoration: none;
    position: relative;
}

.wa-icon-wrapper {
    width: 56px;
    height: 56px;
    background-color: #25D366; /* WhatsApp Green */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3), 0 2px 4px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    z-index: 2;
    position: relative;
}

.wa-icon {
    width: 32px;
    height: 32px;
}

.wa-label {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: white;
    color: #1e293b;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid rgba(15, 23, 42, 0.05);
    z-index: 1;
}

/* Hover State for Non-Touch Devices */
@media (hover: hover) and (pointer: fine) {
    .floating-wa-btn:hover .wa-icon-wrapper {
        transform: scale(1.05);
        box-shadow: 0 8px 16px rgba(37, 211, 102, 0.4), 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    
    .floating-wa-btn:hover .wa-label {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* Touch Device States */
.floating-wa-container.touch-device.wa-label-open .wa-label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.floating-wa-container.touch-device.wa-label-open .wa-icon-wrapper {
    box-shadow: 0 8px 16px rgba(37, 211, 102, 0.4), 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* --- Responsive Adjustments --- */
@media (max-width: 991px) {
    .floating-wa-container {
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        right: var(--container-padding);
    }
    
    .wa-icon-wrapper {
        width: 52px;
        height: 52px;
    }
    
    .wa-icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 767px) {
    .floating-wa-container {
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        right: var(--container-padding);
    }
    
    .wa-icon-wrapper {
        width: 48px;
        height: 48px;
    }
    
    .wa-icon {
        width: 26px;
        height: 26px;
    }
    
    .wa-label {
        right: calc(100% + 8px);
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}