:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a87;
    --primary-soft: rgba(52, 105, 156, 0.8);
    --primary-softer: rgba(76, 126, 175, 0.6);
    --primary-softest: rgba(100, 145, 189, 0.4);
    --accent:  #3d6b9a;
    --accent-light:  #2d5a87;
    --accent-soft: rgba(224, 203, 163, 0.8);
    --accent-softer: rgba(232, 216, 185, 0.6);
    --accent-softest: rgba(240, 229, 208, 0.4);
    --primary-dark: #152a46;
    --background: #fafbfc;
    --surface: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #fafbfc 0%, #f7fafc 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.font-display {
    font-family: 'Cormorant Garamond', serif;
}

/* Glass Morphism Effects */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* Modern Gradients */
.gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.gradient-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
}

.gradient-hero {
    background: linear-gradient(135deg, 
        rgba(30, 58, 95, 0.95) 0%,
        rgba(30, 58, 95, 0.85) 100%
    );
}

/* Footer Specific Gradients */
.footer-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, rgba(45, 90, 135, 0.95) 100%);
}

.footer-accent-gradient {
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
}

.footer-overlay-gradient {
    background: radial-gradient(circle at top left, rgba(201, 169, 110, 0.1) 0%, transparent 50%),
                radial-gradient(circle at bottom right, rgba(30, 58, 95, 0.1) 0%, transparent 50%);
}

/* Hover Gradients */
.hover-gradient:hover {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
}

/* Floating Elements */
.floating {
    animation: float 6s ease-in-out infinite;
}

.floating-delayed {
    animation: floating 6s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-20px) rotate(45deg); }
}

/* Advanced Hover Effects */
.hover-lift {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hover-lift:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.15);
}

/* Modern Cards */
.modern-card {
    background: var(--surface);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Animated Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 400;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.6s ease;
    position: relative;
    overflow: hidden;
    background-size: 300% auto;
    background-image: linear-gradient(
        45deg,
        var(--primary) 0%,
        var(--primary-soft) 20%,
        var(--primary-softer) 30%,
        var(--primary-softest) 45%,
        var(--primary-softer) 55%,
        var(--primary-soft) 70%,
        var(--primary-softer) 85%,
        var(--primary) 100%
    );
    opacity: 0.97;
    border: none !important;
}

/* Style khusus untuk tombol transparan */
.btn-primary.bg-white\/20 {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: none !important;
    transition: all 0.3s ease;
}

.btn-primary.bg-white\/20:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 58, 95, 0.15);
    background-position: right center;
    opacity: 1;
}

.btn-primary:active {
    /* background-image: linear-gradient(
        135deg,
        var(--accent-soft) 0%,
        var(--accent-softer) 20%,
        var(--accent-softest) 35%,
        var(--primary-softest) 50%,
        var(--accent-softest) 65%,
        var(--accent-softer) 80%,
        var(--accent-soft) 100%
    ); */
    background-image: linear-gradient(
        135deg,
        var(--primary-soft) 0%,
        var(--primary-softer) 20%,
        var(--primary-softest) 35%,
        var(--primary-softest) 50%,
        var(--primary-softest) 65%,
        var(--primary-softer) 80%,
        var(--primary-soft) 100%
    );
    transform: scale(0.98);
    transition: all 0.3s ease;
    background-size: 100% 100%;
    background-position: center;
    box-shadow: 0 5px 15px rgba(201, 169, 110, 0.15);
    opacity: 0.95;
}

/* Remove the old pseudo-element animation */
.btn-primary::before {
    display: none;
}

.btn-outline {
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 400;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-outline:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(201, 169, 110, 0.3);
}

/* Typography Enhancements */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-softest) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer Section Headers */
.footer-header {
    position: relative;
    display: inline-block;
}

.footer-header::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 6px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    border-radius: 9999px;
}

/* Adjust gradient line for logo */
.footer-header img + ::after {
    bottom: -16px;
    height: 8px;
    opacity: 0.9;
}

/* Section Backgrounds */
.bg-pattern {
    position: relative;
}

.bg-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 25% 25%, rgba(201, 169, 110, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 75% 75%, rgba(30, 58, 95, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Service Icons */
.service-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-icon:hover {
    transform: translateY(-2px);
}

.service-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: transform 0.6s;
}

.modern-card:hover .service-icon::before {
    transform: translateX(100%) translateY(100%) rotate(45deg);
}

/* Add new styles for service card images */
.modern-card .h-48 {
    margin: -2.5rem -2.5rem 2rem -2.5rem;
    border-radius: 24px 24px 0 0;
}

.modern-card img {
    filter: brightness(0.9);
    transition: all 0.5s ease;
}

.modern-card:hover img {
    filter: brightness(1);
    transform: scale(1.05);
}

/* Navigation Enhancements */
.nav-link {
    position: relative;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: all 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

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

/* Hero Particles */
.hero-particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) scale(0);
    }
    10% {
        transform: translateY(90vh) scale(1);
    }
    90% {
        transform: translateY(-10vh) scale(1);
    }
    100% {
        transform: translateY(-10vh) scale(0);
    }
}

/* Testimonial Cards */
.testimonial-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    /* content: '"'; */
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 6rem;
    color: var(--accent);
    opacity: 0.2;
    font-family: 'Cormorant Garamond', serif;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-in-out forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease-in-out 0.3s forwards;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .modern-card {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
}

/* Enhanced animations and effects */
.typewriter-text {
    display: inline-block;
    overflow: hidden;
    border-right: 2px solid var(--accent);
    white-space: nowrap;
    animation: typewriter 2s steps(20) 1s forwards, blink 1s infinite;
    width: 0;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

.counter {
    animation: countUp 2s ease-out forwards;
}

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

/* Improved responsive design */
@media (max-width: 768px) {
    .typewriter-text {
        animation: none;
        width: auto;
        border: none;
    }
}

/* Navigation Styles */
nav {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid transparent;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transform: translateY(0);
}

nav.nav-hidden {
    transform: translateY(-100%);
    pointer-events: none;
}

.nav-transparent {
    background: transparent;
    transition: all 0.3s ease;
}

.nav-solid {
    background: var(--surface);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.nav-solid .nav-link {
    color: var(--text-primary);
}

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

/* Default: hide all */
#logo-white,
#logo-black {
    opacity: 0;
    visibility: hidden;
}

/* before scroll */
.nav-transparent #logo-white {
    opacity: 1;
    visibility: visible;
}

/* after scroll */
.nav-scrolled #logo-black {
    opacity: 1;
    visibility: visible;
}

/* hide logo */
.home #logo-white,
.about #logo-white,
.qualification #logo-white {
    display: none;
}

.nav-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.nav-transparent .nav-link,
.nav-transparent #mobile-menu-button {
    color: white;
    transition: color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-transparent .btn-primary {
    background: white;
    color: var(--primary);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-transparent .btn-primary:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.nav-link, #mobile-menu-button, .btn-primary {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu {
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.3s, opacity 0.3s;
}

#mobile-menu.mobile-menu-visible {
    visibility: visible;
    opacity: 1;
}

#mobile-menu .menu-content {
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
}

#mobile-menu.mobile-menu-visible .menu-content {
    transform: translateX(0);
}

#mobile-menu .backdrop {
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

#mobile-menu.mobile-menu-visible .backdrop {
    opacity: 1;
}

/* Mobile Services Dropdown */
#mobile-services-button i {
    transition: transform 0.3s ease;
}

#mobile-services-button.active i {
    transform: rotate(180deg);
}

#mobile-services-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-services-dropdown.show {
    max-height: 500px;
}

/* Mobile About Dropdown */
#mobile-about-button i {
    transition: transform 0.3s ease;
}

#mobile-about-button.active i {
    transform: rotate(180deg);
}

#mobile-about-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-about-dropdown.show {
    max-height: 500px;
}

/* Smooth transition for services dropdown */
.group:hover .absolute {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Section Enhancements */
.drop-shadow-lg {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.drop-shadow {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

#hero h1 {
    position: relative;
    z-index: 1;
}

#hero h1::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -0.5rem;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.5), transparent);
}

#hero .btn-primary,
#hero .btn-outline {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* Scroll Animations */
.scroll-fade {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

.scroll-fade.animate {
    opacity: 0;
    transform: translateY(20px);
}

.scroll-fade.animate.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animations */
.scroll-fade-children > * {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

.scroll-fade-children.animate > * {
    opacity: 0;
    transform: translateY(20px);
}

.scroll-fade-children.animate.active > * {
    opacity: 1;
    transform: translateY(0);
}

.scroll-fade-children.animate.active > *:nth-child(1) { transition-delay: 0.1s; }
.scroll-fade-children.animate.active > *:nth-child(2) { transition-delay: 0.2s; }
.scroll-fade-children.animate.active > *:nth-child(3) { transition-delay: 0.3s; }
.scroll-fade-children.animate.active > *:nth-child(4) { transition-delay: 0.4s; }
.scroll-fade-children.animate.active > *:nth-child(5) { transition-delay: 0.5s; }

/* Scroll reveal from sides */
.scroll-reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s ease-out;
}

.scroll-reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.6s ease-out;
}

.scroll-reveal-left.animate {
    opacity: 0;
    transform: translateX(-50px);
}

.scroll-reveal-right.animate {
    opacity: 0;
    transform: translateX(50px);
}

.scroll-reveal-left.animate.active,
.scroll-reveal-right.animate.active {
    opacity: 1;
    transform: translateX(0);
}

/* Enhanced Scroll Animations */
.scroll-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-show {
    opacity: 1;
    transform: translateY(0);
}

/* Grid Stagger Animations */
.grid-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.grid-stagger > *.scroll-show {
    opacity: 1;
    transform: translateY(0);
}

/* Directional Scroll Animations */
.scroll-hidden-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-hidden-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-show-left, 
.scroll-show-right {
    opacity: 1;
    transform: translateX(0);
}

/* Scale Animations */
.scroll-hidden-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-show-scale {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Delays */
.grid-stagger > *:nth-child(1) { transition-delay: 0.1s; }
.grid-stagger > *:nth-child(2) { transition-delay: 0.2s; }
.grid-stagger > *:nth-child(3) { transition-delay: 0.3s; }
.grid-stagger > *:nth-child(4) { transition-delay: 0.4s; }
.grid-stagger > *:nth-child(5) { transition-delay: 0.5s; }
.grid-stagger > *:nth-child(6) { transition-delay: 0.6s; }

/* Mobile Menu Styles */
.mobile-menu-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
}

.mobile-menu-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

#mobile-menu {
    transition: all 0.3s ease-in-out;
}

#mobile-menu .backdrop {
    transition: opacity 0.3s ease-in-out;
}

#mobile-menu .menu-content {
    transition: transform 0.3s ease-in-out;
}

/* Simple Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    background: white;
    z-index: 1000;
    transition: right 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

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

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

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

.mobile-menu-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-content {
    padding: 20px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.mobile-menu-item {
    display: block;
    padding: 12px 0;
    color: #333;
    border-bottom: 1px solid #eee;
    transition: color 0.2s ease;
}

.mobile-menu-item:hover {
    color: var(--primary-color);
}

.mobile-submenu {
    display: none;
    padding-left: 20px;
}

.mobile-submenu.show {
    display: block;
}

.mobile-menu-trigger {
    display: none;
}


@media (max-width: 1024px) {
    .mobile-menu-trigger {
        display: block;
    }
    
    .desktop-menu {
        display: none;
    }
}

body.menu-open {
    overflow: hidden;
}

/* Mobile Navigation */
.mobile-nav {
    visibility: hidden;
    opacity: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    transition: visibility 0s linear 0.3s, opacity 0.3s ease;
}

.mobile-nav.open {
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
}

.mobile-nav-content {
    position: fixed;
    top: 0;
    right: -80%;
    width: 80%;
    height: 100vh;
    background: white;
    transition: right 0.3s ease;
    z-index: 1000;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav.open .mobile-nav-content {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    background: #f8f9fa;
}

.mobile-nav-body {
    padding: 1.5rem;
    height: calc(100vh - 74px);
    overflow-y: auto;
}

.mobile-nav-item {
    display: block;
    padding: 1rem 0;
    color: #333;
    border-bottom: 1px solid #eee;
    text-decoration: none;
    transition: color 0.2s ease;
    font-size: 1.1rem;
}

.mobile-nav-item:hover {
    color: var(--primary-color);
}

.mobile-nav-dropdown {
    margin-left: 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav-dropdown.open {
    max-height: 500px;
    margin-top: 0.5rem;
}

.mobile-nav-dropdown .mobile-nav-item {
    padding: 0.75rem 0;
    font-size: 1rem;
}

.mobile-menu-btn {
    display: none;
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: block;
    }
    .desktop-menu {
        display: none;
    }
}