/* 
  KITA DINGIN CSS
  Theme: Ice Blue / Cold, Glassmorphism, Modern
*/

:root {
    /* Color Palette */
    --primary-color: #0077b6;
    --primary-light: #00b4d8;
    --primary-dark: #023e8a;
    --secondary-color: #90e0ef;
    --accent-color: #00f5d4;

    /* Backgrounds */
    --bg-main: #ffffff;
    --bg-light: #f8fbff;
    --bg-gradient: linear-gradient(135deg, #023e8a 0%, #0077b6 100%);
    --bg-gradient-light: linear-gradient(135deg, #caf0f8 0%, #90e0ef 100%);

    /* Text Colors */
    --text-main: #2b2d42;
    --text-muted: #6c757d;
    --text-light: #edf2f4;

    /* Effects */
    --shadow-sm: 0 4px 6px rgba(0, 119, 182, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 119, 182, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 119, 182, 0.15);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 50px;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

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

.section-padding {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}

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

.bg-gradient {
    background: var(--bg-gradient);
    color: white;
}

/* Typography Utilities */
.subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.subtitle.text-white {
    color: var(--accent-color);
}

.text-white {
    color: #fff;
}

.text-white-light {
    color: rgba(255, 255, 255, 0.85);
}

.highlight-text {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 119, 182, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-light {
    background: white;
    color: var(--primary-dark);
}

.btn-light:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
    padding: 15px 0;
}

.header.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.98);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: 40px;
    object-fit: cover;
    border-radius: 8px;
}

.logo span {
    font-family: 'Fredoka', var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #F49B36;
    letter-spacing: -0.5px;
    text-shadow: 1px 1px 0px #C77212, 2px 2px 0px #C77212, 3px 3px 4px rgba(0, 0, 0, 0.15);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-dark);
    cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding: 180px 0 100px;
    background: var(--bg-gradient-light);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 40px;
    font-weight: 400;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.visual-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass);
    text-align: center;
    position: relative;
    z-index: 10;
    width: 80%;
    max-width: 350px;
}

.visual-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.visual-info h3 {
    margin-bottom: 5px;
}

.floating-bubble {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
    backdrop-filter: blur(5px);
    box-shadow: 0 8px 32px rgba(0, 119, 182, 0.1);
    z-index: 5;
    animation: float 6s ease-in-out infinite;
}

.bubble-1 {
    width: 100px;
    height: 100px;
    top: -30px;
    right: -30px;
}

.bubble-2 {
    width: 60px;
    height: 60px;
    bottom: -20px;
    left: -20px;
    animation-delay: 2s;
}

.wave-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-bottom svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.wave-bottom .shape-fill {
    fill: #ffffff;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    position: relative;
}

.about-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: var(--primary-light);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    z-index: -1;
}

.glass-box {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.9);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition-normal);
}

.glass-box:hover {
    transform: translateX(10px);
}

.box-1 {
    margin-right: 40px;
}

.box-2 {
    margin-left: 40px;
}

.glass-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    background: var(--bg-light);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.stats-row {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-weight: 600;
    color: var(--text-main);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--primary-color);
    transition: height var(--transition-normal);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 25px;
    transition: color var(--transition-normal);
}

.service-card:hover .service-icon,
.service-card:hover h3,
.service-card:hover p {
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    transition: color var(--transition-normal);
}

.service-card p {
    color: var(--text-muted);
    transition: color var(--transition-normal);
}

/* ==========================================================================
   ADVANTAGES SECTION
   ========================================================================== */
.advantages-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.adv-item {
    display: flex;
    gap: 25px;
    background: white;
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all var(--transition-normal);
}

.adv-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.adv-icon {
    background: var(--bg-gradient-light);
    color: var(--primary-dark);
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.adv-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.adv-content p {
    color: var(--text-muted);
}

/* ==========================================================================
   TRAINING SECTION
   ========================================================================== */
.training {
    position: relative;
    overflow: hidden;
}

.training::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.2)"/></svg>') repeat;
    opacity: 0.5;
}

.training-container {
    max-width: 900px;
}

.training-content {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 60px;
    border-radius: var(--radius-lg);
}

.training-lists {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.list-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: var(--radius-md);
    color: var(--text-main);
}

.list-card h4 {
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.list-card ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.list-card ul li i {
    color: var(--primary-color);
    margin-top: 4px;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.quote-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    opacity: 0.5;
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
    border-top: 1px solid #f0f0f0;
    padding-top: 20px;
}

.avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-gradient-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 1.2rem;
}

.author h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #0b192c;
    color: #e2e8f0;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-light);
    border-radius: 2px;
}

.logo-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.logo-footer img {
    height: 40px;
    width: 40px;
    border-radius: 8px;
    background: white;
    padding: 2px;
}

.logo-footer span {
    font-family: 'Fredoka', var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #F49B36;
    letter-spacing: -0.5px;
    text-shadow: 1px 1px 0px #C77212, 2px 2px 0px #C77212, 3px 3px 4px rgba(0, 0, 0, 0.3);
}

.company-desc {
    margin-bottom: 10px;
    color: var(--accent-color);
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: #cbd5e1;
}

.contact-info i {
    color: var(--primary-light);
    font-size: 1.2rem;
    margin-top: 4px;
}

.contact-info a {
    color: #cbd5e1;
}

.contact-info a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1;
    transition: all var(--transition-fast);
}

.social-btn i {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    color: white;
}

.social-btn:hover i {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 0.9rem;
}

/* ==========================================================================
   ANIMATIONS & UTILITIES
   ========================================================================== */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 119, 182, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(0, 119, 182, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 119, 182, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Scroll Animations */
.fade-in-up,
.fade-in-left,
.fade-in-right,
.slide-in-right,
.slide-in-left {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(40px);
}

.fade-in-left {
    transform: translateX(-40px);
}

.fade-in-right {
    transform: translateX(40px);
}

.slide-in-left {
    transform: translateX(-100px);
}

.slide-in-right {
    transform: translateX(100px);
}

.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-content {
        gap: 30px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .about-container {
        gap: 40px;
    }

    .training-content {
        padding: 40px;
    }
}

@media (max-width: 860px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 0;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: left 0.4s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-btn {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 50px;
    }

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

    .about-visual {
        order: 2;
        margin-top: 40px;
    }

    .about-text {
        order: 1;
    }

    .training-lists {
        grid-template-columns: 1fr;
    }

    .advantages-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .btn-large {
        width: 100%;
    }

    .stats-row {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .glass-box {
        flex-direction: column;
        text-align: center;
    }

    .box-1 {
        margin-right: 0;
    }

    .box-2 {
        margin-left: 0;
    }
}