:root {
    --cf-orange: #FF6633;
    --cf-orange-hot: #FF4801;
    --cf-bg: #0A0A0A;
    --cf-surface: #141414;
    --cf-border: #2A2A2A;
    --cf-text: #FAFAFA;
    --cf-text-muted: #A0A0A0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--cf-bg);
    color: var(--cf-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* HEADER */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cf-border);
}

.header-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--cf-text);
}

.logo .accent {
    color: var(--cf-orange);
}

/* HERO */
.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 72, 1, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 102, 51, 0.1);
    border: 1px solid rgba(255, 102, 51, 0.3);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cf-orange);
    margin-bottom: 2rem;
    animation: fade-in 0.6s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    padding-bottom: 0.15em;
    background: linear-gradient(180deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fade-in-up 0.8s ease-out;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--cf-orange) 0%, var(--cf-orange-hot) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    padding-bottom: 0.15em;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--cf-text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fade-in-up 1s ease-out;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background-color: var(--cf-orange);
    color: #0A0A0A;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fade-in-up 1.2s ease-out;
    position: relative;
    overflow: hidden;
}

.cta-button::after {
    content: '→';
    transition: transform 0.3s ease;
}

.cta-button:hover {
    background-color: var(--cf-orange-hot);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(255, 72, 1, 0.5);
}

.cta-button:hover::after {
    transform: translateX(4px);
}

.cta-button:active {
    transform: translateY(0);
}

/* MAIN CONTENT */
main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem 6rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
    color: var(--cf-text);
    text-align: center;
}

.section-title .accent {
    color: var(--cf-orange);
}

/* AGENDA - Grid Cards */
.agenda-section {
    margin-bottom: 6rem;
}

.agenda-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 1200px) {
    .agenda-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .agenda-grid {
        grid-template-columns: 1fr;
    }
}

.agenda-card {
    background-color: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.agenda-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cf-orange), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.agenda-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 102, 51, 0.4);
    background-color: #1a1a1a;
}

.agenda-card:hover::before {
    opacity: 1;
}

.agenda-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.agenda-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--cf-text);
    letter-spacing: -0.01em;
}

.agenda-card p {
    color: var(--cf-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* RESOURCES */
.resources-section {
    margin-bottom: 4rem;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0.75rem;
}

.resource-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background-color: var(--cf-surface);
    border: 1px solid var(--cf-border);
    border-radius: 0.75rem;
    color: var(--cf-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.25s ease;
}

.resource-link::after {
    content: '↗';
    color: var(--cf-text-muted);
    font-size: 1rem;
    transition: all 0.25s ease;
}

.resource-link:hover {
    border-color: var(--cf-orange);
    background-color: rgba(255, 102, 51, 0.05);
    transform: translateX(4px);
}

.resource-link:hover::after {
    color: var(--cf-orange);
    transform: translate(2px, -2px);
}

/* FOOTER */
footer {
    border-top: 1px solid var(--cf-border);
    padding: 2rem;
    text-align: center;
    color: var(--cf-text-muted);
    font-size: 0.875rem;
}

/* ANIMATIONS */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 102, 51, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(255, 102, 51, 0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    .header-nav {
        padding: 1rem 1.5rem;
    }
    main {
        padding: 0 1.5rem 4rem;
    }
    .agenda-card {
        padding: 1.5rem;
    }
}