/* 
    PT. Dutalaras Indah - Global Styles
    Apple-Style Aesthetics
*/

:root {
    --color-bg: #FFFFFF;
    --color-bg-off: #F5F5F7;
    --color-text: #1D1D1F;
    --color-text-light: #86868B;
    --color-border: rgba(0, 0, 0, 0.05);
    
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 18px;
    --radius-lg: 22px;
    
    --shadow-subtle: 0 4px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.08);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    display: block;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

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

.brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
}

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

/* Home Page Specific Navbar */
.navbar-home:not(.scrolled) .nav-links a {
    color: rgba(255, 255, 255, 0.9);
}

.navbar-home:not(.scrolled) .nav-links a:hover,
.navbar-home:not(.scrolled) .nav-links a.active {
    color: #ffffff;
}

.navbar-home:not(.scrolled) .brand img {
    filter: brightness(0) invert(1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-off);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    animation: fadeUp 1s ease forwards;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--color-text-light);
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1s ease 0.2s forwards;
}

/* Bento Grid Services */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 300px;
    gap: 24px;
    margin-top: 40px;
}

.bento-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

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

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1;
}

.bento-card:hover::before {
    opacity: 1;
}

.bento-content {
    position: relative;
    z-index: 2;
}

.bento-title {
    font-size: 24px;
    margin-bottom: 8px;
    transition: var(--transition-smooth);
}

.bento-desc {
    font-size: 14px;
    color: var(--color-text-light);
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.bento-card:hover .bento-desc {
    opacity: 1;
    transform: translateY(0);
}

.bento-card:hover .bento-title {
    color: white;
}

.bento-card-large { grid-column: span 8; }
.bento-card-medium { grid-column: span 4; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

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

.btn-primary:hover {
    background-color: #000;
    transform: scale(1.02);
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Footer */
.footer {
    background-color: var(--color-bg-off);
    padding: 80px 0 40px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links h4 {
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--color-text-light);
}

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

.footer-bottom {
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
    padding-top: 40px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Responsive */
@media (max-width: 991px) {
    .bento-card-large, .bento-card-medium {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .footer-content { grid-template-columns: 1fr; }
    .bento-card-large, .bento-card-medium {
        grid-column: span 12;
    }
}