@font-face {
    font-display: swap;
}

.teks-tebal {
    font-weight: bold;
}

:root[data-theme="dark"] {
    --bg-primary: #030712;
    --bg-secondary: #0b1329;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-contrast: #fff;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.07);
    --nav-bg: rgba(3, 7, 18, 0.75);
    --shadow: rgba(0, 0, 0, 0.3);
    --globe-opacity: 0.15;

    --accent: #00d4ff;
    --purple: #6366f1;
    --gradient-primary: linear-gradient(135deg, #00d4ff, #6366f1);
}

:root[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-contrast: #000;
    --card-bg: rgba(15, 23, 42, 0.02);
    --card-border: rgba(15, 23, 42, 0.08);
    --card-hover: rgba(15, 23, 42, 0.05);
    --nav-bg: rgba(248, 250, 252, 0.8);
    --shadow: rgba(15, 23, 42, 0.08);
    --globe-opacity: 0.05;

    --accent: #0284c7;
    --purple: #4f46e5;
    --gradient-primary: linear-gradient(135deg, #0284c7, #4f46e5);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background 0.4s ease, color 0.4s ease;
}

.container {
    width: min(1200px, 90%);
    margin: auto;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--card-border);
    transition: background 0.4s, border 0.4s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: rgb(75 74 228);
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    color: rgb(245 134 52);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

nav ul {
    display: flex;
    gap: 35px;
    list-style: none;
    align-items: center;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent);
}

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    background: var(--card-hover);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
    opacity: 0.95;
}

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 100px;
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=1964&auto=format&fit=crop") center/cover no-repeat;
    opacity: var(--globe-opacity);
    z-index: -1;
    transition: opacity 0.4s;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--purple);
    right: -100px;
    top: -50px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    left: -100px;
    bottom: -100px;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 850px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(38px, 5.5vw, 64px);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 25px;
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-muted);
    font-size: clamp(16px, 1.8vw, 19px);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 720px;
}

section {
    padding: 100px 0;
    position: relative;
}

.title {
    text-align: center;
    margin-bottom: 60px;
}

.title p {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 10px;
}

.title h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    letter-spacing: -1px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.stat {
    text-align: center;
    padding: 40px 30px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    background: var(--card-hover);
}

.stat h3 {
    font-size: 52px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat p {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 15px;
}

.stat {
    text-align: center;
}

.stat-icon {
    margin-bottom: 15px;
}

.stat-icon span i {
    font-size: 28px;
    color: var(--accent);
    /* Menggunakan warna aksen biru-ungu neon Anda */
    opacity: 0.9;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 40px;
    border-radius: 28px;
    box-shadow: 0 10px 30px var(--shadow);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--purple);
    background: var(--card-hover);
    transform: translateY(-5px);
}

.feature h3 {
    font-size: 22px;
    margin-bottom: 25px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature h3::after {
    content: '';
    display: block;
    width: 30px;
    height: 4px;
    background: var(--accent);
    border-radius: 10px;
    margin-left: auto;
}

.feature ul {
    list-style: none;
}

.feature li {
    padding: 12px 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid rgba(156, 163, 175, 0.08);
}

.feature li::before {
    content: "✓";
    color: var(--accent);
    font-weight: 900;
    margin-right: 14px;
    background: rgba(0, 212, 255, 0.1);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 12px;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.product {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 24px;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 4px 20px var(--shadow);
}

.product:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    transform: scale(1.03);
}

.product span {
    font-size: 28px;
    background: var(--card-hover);
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    border: 1px solid var(--card-border);
}

.product span i {
    color: var(--accent);
    /* Memberikan warna biru neon khas tema Anda pada ikon */
    font-size: 22px;
    /* Ukuran ikon yang proporsional */
}


/* Styling Trust & Security Section */
.trust-section {
    padding: 80px 0;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.security-card {
    background: var(--card-bg);
    /* Berubah otomatis sesuai tema */
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    /* Berubah otomatis sesuai tema */
    text-align: center;
    transition: transform 0.3s ease, background 0.4s, border 0.4s;
}

.security-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
}

.sec-icon i {
    font-size: 36px;
    color: var(--accent);
    /* Menggunakan biru neon di dark / biru langit di light */
    margin-bottom: 20px;
}

.security-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--text-main);
    /* Berubah otomatis sesuai tema */
}

.security-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    /* Berubah otomatis sesuai tema */
    line-height: 1.6;
}

/* Tech Stack Logos styling */
.tech-stack-container {
    text-align: center;
    border-top: 1px solid var(--card-border);
    padding-top: 40px;
}

.tech-stack-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.tech-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.tech-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-contrast);
    opacity: 0.7;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.tech-logo-item:hover {
    opacity: 1;
    color: var(--accent);
}

.tech-logo-item i {
    font-size: 40px;
    margin-bottom: 10px;
}

.tech-logo-item span {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Testimonials Styling */
.testimonials-section {
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 45px;
}

.testimonial-card {
    background: var(--card-bg);
    /* Berubah otomatis sesuai tema */
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    /* Berubah otomatis sesuai tema */
    position: relative;
    transition: transform 0.3s ease, background 0.4s, border 0.4s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
}

.quote-icon i {
    font-size: 32px;
    color: var(--accent);
    opacity: 0.4;
    margin-bottom: 15px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 25px;
}

.testimonial-author {
    border-top: 1px solid var(--card-border);
    padding-top: 15px;
}

.author-info strong {
    display: block;
    color: var(--text-main);
    font-size: 0.95rem;
}

.author-info span {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 2px;
}

/* Education Styling */
.education-section {
    padding: 80px 0;
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.edu-card {
    background: var(--card-bg);
    /* Menggunakan variabel card standar Anda */
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, background 0.4s, border 0.4s;
}

.edu-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
}

.edu-icon i {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 20px;
}

.edu-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.edu-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.edu-solution {
    /* Menggunakan rgba dari var(--purple) atau var(--accent) agar fleksibel */
    background: rgba(99, 102, 241, 0.08);
    padding: 15px;
    border-left: 4px solid var(--purple);
    border-radius: 4px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-main);
}

.cta-box {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(99, 102, 241, 0.15) 100%);
    border: 1px solid var(--card-border);
    padding: 70px 40px;
    border-radius: 36px;
    text-align: center;
    box-shadow: 0 20px 50px var(--shadow);
    position: relative;
    overflow: hidden;
}

.cta h2 {
    font-size: clamp(26px, 3.8vw, 44px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 15px;
}

.cta p {
    font-size: 17px;
    font-weight: 500;
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    border-top: 1px solid var(--card-border);
    background: var(--bg-secondary);
}

.airplane {
    position: absolute;
    top: 40%;
    left: -100px;
    font-size: 32px;
    opacity: 0.25;
    filter: drop-shadow(0 0 10px var(--accent));
    animation: fly 25s linear infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes fly {
    0% {
        left: -50px;
        top: 60%;
        transform: rotate(-20deg);
    }

    50% {
        top: 25%;
        transform: rotate(10deg);
    }

    100% {
        left: 110%;
        top: 45%;
        transform: rotate(15deg);
    }
}

@media(max-width: 992px) {
    nav ul {
        display: none;
    }

    section {
        padding: 70px 0;
    }

    .cta-box {
        padding: 50px 24px;
    }
}