/* Doktori Landing Page Styles */
@import url('https://fonts.googleapis.com/css2?family=Jua&family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --color-bg: #FFF9E6; /* Warm Cream */
    --color-bg-secondary: #FFEFD5; /* Lighter Peach/Cream */
    --color-primary: #8D6E63; /* Warm Brown */
    --color-primary-dark: #5D4037; /* Dark Wood */
    --color-accent: #8FA87A; /* Leafy Green */
    --color-text: #4E342E; /* Deep Brown Text */
    --color-white: #FFFFFF;
    --shadow-soft: 0 4px 20px rgba(93, 64, 55, 0.1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --font-heading: 'Jua', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400; /* Jua is single weight */
}

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

/* Header */
header {
    padding: 24px 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 249, 230, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-primary-dark);
    font-size: 1.5rem;
}

.logo img {
    height: 48px;
    width: auto;
}

.cta-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.2s, background-color 0.2s;
    font-family: var(--font-heading);
}

.cta-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 60px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 20px;
}

.badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 24px;
    font-family: var(--font-body);
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.hero-image-wrapper {
    width: 100%;
    max-width: 1000px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    position: relative;
    border: 8px solid var(--color-white);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--color-bg-secondary);
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-bg);
}

.icon-wrapper {
    background-color: var(--color-bg);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem; /* Size for emoji fallback */
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-primary);
    font-size: 1rem;
}

/* Call to Action (Waitlist) */
.waitlist {
    padding: 100px 0;
    text-align: center;
}

.waitlist-container {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.waitlist h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--color-white);
}

.waitlist p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.email-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 12px;
}

.email-form input {
    flex: 1;
    padding: 16px 24px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-family: var(--font-body);
}

.email-form button {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 16px 32px;
    border-radius: 50px;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: background-color 0.2s;
}

.email-form button:hover {
    background-color: #7A9165;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--color-primary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(141, 110, 99, 0.2);
}

/* Mobile Tweaks */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .email-form {
        flex-direction: column;
    }
    .waitlist-container {
        padding: 40px 24px;
    }
}