@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css");

:root {
  --primary: #0A0F1C; /* Ultra Dark Navy / Black */
  --secondary: #F8F9FA; /* Off White */
  --accent: #00E5FF; /* Cyber Neon Blue */
  --text-dark: #1A1F2C;
  --text-light: #A0AABF;
  --font-main: 'Pretendard Variable', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); background-color: var(--secondary); color: var(--text-dark); line-height: 1.6; font-size: 16px; overflow-x: hidden; scroll-behavior: smooth; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; border-radius: 12px; }

/* Massive Typography */
h1 { font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 900; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px; color: var(--secondary); word-break: keep-all; }
h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.02em; color: var(--primary); word-break: keep-all;}
p { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--text-light); }

/* Header */
header { background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); padding: 20px 5%; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(0,0,0,0.05); }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 900; font-size: 1.6rem; color: var(--primary); letter-spacing: -1px; }
.logo img { width: 44px; height: 44px; border-radius: 10px; }
nav ul { display: flex; gap: 35px; list-style: none; }
nav ul li a { font-weight: 700; transition: 0.3s; font-size: 1.1rem; }
nav ul li a:hover { color: var(--accent); }
.btn-cta { background: var(--primary); color: var(--accent); padding: 14px 28px; border-radius: 50px; font-weight: 800; transition: 0.3s; border: 2px solid var(--primary); }
.btn-cta:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); transform: translateY(-2px); }

/* Hero */
.hero { padding: 120px 5%; background: linear-gradient(135deg, var(--primary) 0%, #151b2b 100%); color: var(--secondary); display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; width: 600px; height: 600px; background: var(--accent); opacity: 0.1; filter: blur(150px); top: -200px; right: -200px; border-radius: 50%; }
.hero p { color: #8C99B3; max-width: 850px; margin: 0 auto 50px; font-weight: 500; }
.hero-btn { background: var(--accent); color: var(--primary); font-size: 1.3rem; padding: 18px 40px; border-radius: 50px; font-weight: 800; display: inline-flex; align-items: center; gap: 10px; box-shadow: 0 10px 30px rgba(0, 229, 255, 0.3); transition: 0.3s; }
.hero-btn:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0, 229, 255, 0.5); }

/* Process / Random Section */
section { padding: 100px 5%; }
.container { max-width: 1300px; margin: 0 auto; }
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 50px; }
.process-card { background: #fff; padding: 40px 30px; border-radius: 20px; box-shadow: 0 15px 35px rgba(0,0,0,0.03); text-align: center; border: 1px solid #eee; transition: 0.3s; }
.process-card:hover { transform: translateY(-10px); border-color: var(--accent); }
.process-card i { font-size: 3rem; color: var(--accent); margin-bottom: 20px; background: var(--primary); padding: 20px; border-radius: 50%; }
.process-card h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 15px; color: var(--primary); }

/* About & Features (Asymmetrical) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse { grid-template-columns: 1fr 1fr; }
.split.reverse .img-box { order: 2; }
.img-box img { box-shadow: -20px 20px 0px var(--accent); }
.split.reverse .img-box img { box-shadow: 20px 20px 0px var(--accent); }
.text-box p { margin-bottom: 20px; }
.bullets { list-style: none; margin-top: 30px; }
.bullets li { font-size: 1.25rem; font-weight: 700; margin-bottom: 15px; display: flex; align-items: center; gap: 15px; color: var(--primary); }
.bullets li i { color: var(--accent); font-size: 1.5rem; background: var(--primary); padding: 8px; border-radius: 50%; }

/* FAQ */
.faq-wrap { max-width: 900px; margin: 0 auto; }
details { background: #fff; margin-bottom: 20px; border-radius: 15px; padding: 25px; box-shadow: 0 5px 20px rgba(0,0,0,0.03); cursor: pointer; border: 1px solid #eee; transition: 0.3s; }
details:hover { border-color: var(--accent); }
summary { font-size: 1.3rem; font-weight: 800; list-style: none; display: flex; justify-content: space-between; align-items: center; color: var(--primary); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '\f067'; font-family: 'FontAwesome'; color: var(--accent); font-size: 1.2rem; transition: 0.3s;}
details[open] summary::after { content: '\f068'; transform: rotate(180deg); }
details p { margin-top: 20px; padding-top: 20px; border-top: 1px dashed #ddd; font-weight: 500; }

/* Complex Form Section */
.form-section { background: var(--primary); border-radius: 30px; padding: 80px 5%; margin: 50px 5%; color: #fff; box-shadow: 0 30px 60px rgba(0,0,0,0.2); text-align: center; }
.form-section h2 { color: #fff; }
.form-section > p { color: var(--text-light); margin-bottom: 40px; }
.form-container { background: #fff; max-width: 800px; margin: 0 auto; border-radius: 20px; padding: 50px; color: var(--primary); text-align: left; position: relative; min-height: 450px; }

.step { display: none; animation: slideIn 0.4s ease forwards; }
.step.active { display: block; }
.step-counter { font-size: 1rem; font-weight: 800; color: var(--accent); margin-bottom: 15px; text-transform: uppercase; letter-spacing: 2px; }
.step-title { font-size: 1.8rem; font-weight: 900; margin-bottom: 30px; line-height: 1.3; }

/* 4 Options Grid */
.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.option-btn { background: #f4f5f7; border: 2px solid #e1e4e8; padding: 20px; border-radius: 12px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: 0.3s; text-align: center; color: var(--primary); }
.option-btn:hover, .option-btn.selected { background: var(--primary); color: var(--accent); border-color: var(--primary); }

/* Slider */
.slider-container { margin: 40px 0; }
.slider-val { font-size: 2.5rem; font-weight: 900; color: var(--accent); text-align: center; display: block; margin-bottom: 20px; background: var(--primary); padding: 20px; border-radius: 15px;}
input[type="range"] { width: 100%; height: 8px; background: #ddd; border-radius: 5px; outline: none; -webkit-appearance: none; accent-color: var(--accent); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 25px; height: 25px; border-radius: 50%; background: var(--primary); border: 4px solid var(--accent); cursor: pointer; }

/* Loading State */
.loader-box { text-align: center; padding: 50px 0; display: none; flex-direction: column; align-items: center; justify-content: center; height: 100%; }
.loader-box.active { display: flex; }
.spinner { width: 60px; height: 60px; border: 6px solid #f3f3f3; border-top: 6px solid var(--accent); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 30px; }
.loader-text { font-size: 1.5rem; font-weight: 800; color: var(--primary); }

/* Final Lead Capture */
.input-group { margin-bottom: 20px; }
.input-group label { display: block; font-weight: 800; margin-bottom: 8px; font-size: 1.1rem; }
.input-group input { width: 100%; padding: 18px; border: 2px solid #e1e4e8; border-radius: 10px; font-size: 1.1rem; font-family: var(--font-main); transition: 0.3s; }
.input-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(10, 15, 28, 0.1); }
.checkbox-group { display: flex; align-items: flex-start; gap: 12px; margin-top: 30px; background: #f9f9f9; padding: 20px; border-radius: 10px; }
.checkbox-group input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary); cursor: pointer; }
.checkbox-group label { font-size: 0.95rem; font-weight: 600; color: #555; }

.btn-main { width: 100%; background: var(--primary); color: var(--accent); padding: 20px; border: none; border-radius: 12px; font-size: 1.3rem; font-weight: 900; cursor: pointer; margin-top: 30px; transition: 0.3s; }
.btn-main:hover { background: var(--accent); color: var(--primary); }
.recaptcha { font-size: 0.8rem; color: #999; text-align: center; margin-top: 15px; }

/* Success */
.success-state { display: none; text-align: center; padding: 40px 0; }
.success-state i { font-size: 5rem; color: #00E5FF; margin-bottom: 20px; background: var(--primary); padding: 30px; border-radius: 50%; }
.success-state h3 { font-size: 2rem; font-weight: 900; color: var(--primary); margin-bottom: 10px; }

/* Footer */
footer { background: #05080f; color: #fff; padding: 80px 5% 40px; }
.ft-links { display: flex; justify-content: center; gap: 40px; margin-bottom: 50px; flex-wrap: wrap; }
.ft-links a { color: var(--text-light); font-weight: 700; font-size: 1.1rem; transition: 0.3s; }
.ft-links a:hover { color: var(--accent); }
.ft-info { text-align: center; color: #6b7280; max-width: 1000px; margin: 0 auto; line-height: 1.9; font-size: 0.95rem; }
.ft-info strong { color: #d1d5db; }
.badges { display: flex; justify-content: center; gap: 20px; margin-top: 40px; }
.badges span { background: #111827; padding: 10px 20px; border-radius: 8px; border: 1px solid #374151; font-weight: 800; color: var(--text-light); font-size: 0.9rem; }

/* Legal Pages */
.legal-page { max-width: 1000px; margin: 80px auto; background: #fff; padding: 60px; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.05); }
.legal-page h1 { color: var(--primary); font-size: 2.5rem; margin-bottom: 40px; border-bottom: 4px solid var(--accent); padding-bottom: 20px; display: inline-block; }
.legal-page h3 { margin: 30px 0 15px; color: var(--primary); font-size: 1.5rem; }
.legal-page p { margin-bottom: 15px; color: #444; }

/* Cookie Banner */
.cookie-box { position: fixed; bottom: -120px; left: 0; width: 100%; background: var(--primary); color: #fff; padding: 25px 5%; display: flex; justify-content: space-between; align-items: center; z-index: 9999; transition: bottom 0.6s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 -10px 40px rgba(0,0,0,0.2); }
.cookie-box.show { bottom: 0; }
.cookie-box p { color: #fff; font-weight: 700; margin-bottom: 5px; font-size: 1.1rem; }
.cookie-box span { color: #A0AABF; font-size: 0.9rem; }
.cookie-btns { display: flex; gap: 15px; }
.cookie-btns button { padding: 12px 25px; border: none; border-radius: 8px; font-weight: 800; cursor: pointer; transition: 0.3s; }
.btn-ess { background: #1f2937; color: #fff; }
.btn-acc { background: var(--accent); color: var(--primary); }
.btn-ess:hover, .btn-acc:hover { opacity: 0.8; }

@keyframes slideIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

@media(max-width: 992px) {
  nav { display: none; }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .split.reverse .img-box { order: -1; }
  .form-container { padding: 30px 20px; }
  .options-grid { grid-template-columns: 1fr; }
  .cookie-box { flex-direction: column; gap: 20px; text-align: center; }
}