@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Light Mode Variables */
    --bg-color: #ffffff;
    --text-main: #000000;
    --text-muted: rgba(0, 0, 0, 0.55);
    
    --btn-primary-bg: #000000;
    --btn-primary-text: #ffffff;
    --btn-secondary-border: rgba(0,0,0,0.35);
    --btn-secondary-hover: rgba(0,0,0,0.05);
    
    --nav-pill-bg: #F4F4F6;
    --nav-pill-border: rgba(0,0,0,0.12);
    --icon-bg: #fff;
    --icon-color: #000;
    
    --footer-gradient: linear-gradient(to top, #ffffff 0%, rgba(255,255,255,0.9) 70%, transparent 100%);
    --overlay: radial-gradient(circle, rgba(0,0,0,0) 40%, rgba(0,0,0,0.25) 100%);
    --dot-color: #000;
}

body.dark-mode {
    /* Dark Mode Variables */
    --bg-color: #121212;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    
    --btn-primary-bg: #ffffff;
    --btn-primary-text: #000000;
    --btn-secondary-border: rgba(255,255,255,0.4);
    --btn-secondary-hover: rgba(255,255,255,0.1);
    
    --nav-pill-bg: rgba(255,255,255,0.1);
    --nav-pill-border: rgba(255,255,255,0.2);
    --icon-bg: #2a2a2a;
    --icon-color: #fff;
    
    --footer-gradient: linear-gradient(to top, #121212 0%, rgba(18,18,18,0.9) 70%, transparent 100%);
    --overlay: radial-gradient(circle, rgba(0,0,0,0.3) 40%, rgba(0,0,0,0.8) 100%);
    --dot-color: #fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--bg-color); 
    color: var(--text-main);
    overflow: hidden; 
    transition: background-color 0.4s ease, color 0.4s ease;
}

.hero-container { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: space-between; }

.bg-wrapper { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0; display: flex; align-items: center; justify-content: center; background-color: var(--bg-color); transition: background-color 0.4s ease; }
.bg-image-container { position: relative; width: 100%; height: 100%; overflow: hidden; z-index: 1; background-color: #1a1a1a; }
.cinematic-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: var(--overlay); z-index: 2; pointer-events: none; transition: background 0.4s ease; }
.fallback-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: -1; background: #e0e0e0; }

.slider-image {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1);
    transition: opacity 1.5s ease-in-out;
}
.slider-image.active {
    opacity: 1;
    transform: scale(1.15);
    transition: opacity 1.5s ease-in-out, transform 6s linear;
}

@keyframes slideDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; justify-content: space-between; align-items: center; padding: 16px; pointer-events: none; opacity: 0; animation: slideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.pointer-events-auto { pointer-events: auto; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 12px; }
.logo-container { display: flex; align-items: center; gap: 8px; }
.brand-text { font-weight: 600; font-size: 14px; letter-spacing: -0.02em; display: none; color: var(--text-main); transition: color 0.4s ease; }
.logo-shape1 { fill: var(--text-main); transition: fill 0.4s ease; }
.logo-shape2 { fill: var(--text-main); transition: fill 0.4s ease; }

.menu-btn, .theme-toggle-btn { 
    display: flex; align-items: center; gap: 8px; 
    background: var(--btn-primary-bg); border: none; border-radius: 100px; 
    padding: 4px 12px 4px 4px; cursor: pointer; 
    transition: all 0.4s ease;
}
.theme-toggle-btn { padding: 4px; }
.menu-icon-circle, .toggle-icon-circle { 
    width: 28px; height: 28px; 
    background: var(--icon-bg); border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    color: var(--icon-color);
    transition: all 0.4s ease;
}
.menu-btn span { color: var(--btn-primary-text); font-size: 11px; font-weight: 500; transition: color 0.4s ease; }

/* Theme Toggle Icons */
.sun-icon { display: none; }
.moon-icon { display: block; }
body.dark-mode .sun-icon { display: block; }
body.dark-mode .moon-icon { display: none; }

.tags-pill, .right-pill { 
    display: none; background: var(--nav-pill-bg); 
    backdrop-filter: blur(10px); border: 1px solid var(--nav-pill-border); 
    border-radius: 100px; align-items: center; font-size: 12px; 
    font-weight: 500; color: var(--text-main); transition: all 0.4s ease;
}
.tags-pill { padding: 8px 16px; gap: 12px; }
.tags-pill .divider { width: 4px; height: 4px; background: var(--text-muted); border-radius: 50%; transition: background 0.4s ease; }
.right-pill { padding: 4px 16px 4px 4px; gap: 8px; }
.grid-icon-circle { 
    width: 28px; height: 28px; 
    background: var(--btn-primary-bg); border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    color: var(--btn-primary-text); transition: all 0.4s ease;
}

/* Footer */
.footer { 
    position: absolute; bottom: 0; left: 0; right: 0; z-index: 30; 
    background: var(--footer-gradient); padding: 32px 16px 24px; 
    opacity: 0; animation: slideUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards; 
    transition: background 0.4s ease;
}
.footer-content { display: flex; flex-direction: column; gap: 32px; }
.footer-left { display: flex; flex-direction: column; gap: 16px; }
.subtitle { display: flex; align-items: center; gap: 8px; opacity: 0; animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards; }
.subtitle .dot { width: 8px; height: 8px; background: var(--dot-color); border-radius: 50%; transition: background 0.4s ease; }
.subtitle span { font-size: 13px; color: var(--text-muted); font-weight: 500; transition: color 0.4s ease; }
.heading { font-weight: 300; font-size: clamp(2rem, 8vw, 4.5rem); letter-spacing: -0.03em; line-height: 1; color: var(--text-main); opacity: 0; animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards; transition: color 0.4s ease; }
.buttons-group { display: flex; gap: 12px; margin-top: 8px; opacity: 0; animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.0s forwards; }

.btn-primary, .btn-secondary { border-radius: 100px; padding: 12px 24px; font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.3s ease; }
.btn-primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); border: 1px solid var(--btn-primary-bg); }
.btn-primary:hover { transform: scale(1.05); }
.btn-secondary { background: transparent; color: var(--text-main); border: 1px solid var(--btn-secondary-border); }
.btn-secondary:hover { background: var(--btn-secondary-hover); }

.footer-right { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { background: var(--nav-pill-bg); border: 1px solid var(--nav-pill-border); color: var(--text-main); border-radius: 100px; padding: 6px 16px; font-size: 11px; font-weight: 500; transition: all 0.4s ease; }

@media (min-width: 768px) {
  .bg-image-container { width: 100%; height: 100%; border-radius: 0; }
  .navbar { padding: 24px 32px; }
  .brand-text, .tags-pill, .right-pill { display: flex; }
  .menu-icon-circle, .grid-icon-circle, .toggle-icon-circle { width: 32px; height: 32px; }
  .footer { padding: 64px 32px 32px; }
  .footer-content { flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .heading { font-size: clamp(2.5rem, 5.5vw, 4.5rem); }
}