/* 
 * OBDes Agency - Ultra Minimalist Theme
 * Clean, Elegant, Whitespace Heavy
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root, [data-theme="light"] {
    --bg-main: #ffffff;
    --bg-alt: #f9f9f9;
    --text-heading: #111111;
    --text-muted: #555555;
    --accent: #581c87; /* Deep Purple */
    --border-color: #eeeeee;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --btn-text: #ffffff;
    --btn-bg: #111111;
}

[data-theme="dark"] {
    --bg-main: #121212;
    --bg-alt: #1a1a1a;
    --text-heading: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #a855f7; /* Brighter Purple */
    --border-color: #2a2a2a;
    --nav-bg: rgba(18, 18, 18, 0.95);
    --btn-text: #121212;
    --btn-bg: #ffffff;
}

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

h1, h2, h3, h4, .font-playfair {
    font-family: 'Playfair Display', serif;
    color: var(--text-heading);
    font-weight: 500;
}

.text-muted-custom { color: var(--text-muted); }
.bg-alt { background-color: var(--bg-alt); transition: background-color 0.4s ease; }
.border-custom-footer { border-color: var(--border-color) !important; transition: border-color 0.4s ease; }
.tracking-wide { letter-spacing: 1.5px; }
.leading-relaxed { line-height: 1.8; }

/* Nav */
.obdes-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.8rem;
    color: var(--text-heading) !important;
    letter-spacing: -0.5px;
}

.nav-link {
    color: var(--text-muted) !important;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.3s;
}
.nav-link:hover { color: var(--text-heading) !important; }
.toggle-icon-custom { color: var(--text-heading); font-size: 1.5rem; }

.theme-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: color 0.3s;
}
.theme-btn:hover { color: var(--text-heading); }

/* Hero */
.hero {
    min-height: 100vh;
    padding-top: 100px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 650px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* Buttons */
.btn-primary-custom {
    display: inline-block;
    background-color: var(--btn-bg);
    color: var(--btn-text) !important;
    padding: 16px 40px;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}
.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Sections */
.section-padding { padding: 140px 0; }

.sect-subtitle {
    display: block;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 15px;
}

.sect-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

/* Services Output */
.service-icon {
    font-size: 2rem;
    color: var(--text-heading);
    margin-bottom: 20px;
}
.service-card h4 {
    font-size: 1.5rem;
}

/* Contact CTA */
.email-link {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--accent);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}
.email-link:hover {
    border-color: var(--accent);
}

/* Footer */
.social-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-left: 25px;
    transition: color 0.3s;
}
.social-links a:hover {
    color: var(--text-heading);
}

@media (max-width: 768px) {
    .section-padding { padding: 80px 0; }
    .hero { min-height: 80vh; }
    .social-links a { margin: 0 12px; }
}