/* -------------------------------------------------------
   GLOBAL BRANDING: RISE 2026
   ------------------------------------------------------- */

:root {
    --primary: #005f73;        /* Deep teal */
    --accent: #0a9396;         /* Turquoise */
    --highlight: #ee9b00;      /* Warm innovation yellow */
    --soft-bg: #e9d8a6;        /* Sustainable sand */
    --light-bg: #f9f9f9;
    --text-dark: #333;
    --text-light: #f5f5f5;
    --card-shadow: rgba(0, 0, 0, 0.08);
    --transition: 0.25s ease-in-out;
    --radius: 10px;
    --max-width: 1100px;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    line-height: 1.7;
}

/* -------------------------------------------------------
   HEADER
   ------------------------------------------------------- */

header {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 25px;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

header img {
    height: 95px;
    width: auto;
    border-radius: 6px;
}

header h1 {
    font-size: 1.3em;
    margin: 0 0 5px 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

header p {
    font-size: 1.15em;
    margin: 0 0 0 15px;
    opacity: 0.95;
}

/* -------------------------------------------------------
   LAYOUT
   ------------------------------------------------------- */

main {
    padding: 20px;
    max-width: var(--max-width);
    margin: auto;
}

section {
    margin-bottom: 40px;
    background-color: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: 0 3px 12px var(--card-shadow);
    transition: var(--transition);
}

section:hover {
    transform: translateY(-3px);
}

/* -------------------------------------------------------
   TYPOGRAPHY
   ------------------------------------------------------- */

h2 {
    color: var(--primary);
    font-size: 1.9em;
    margin-top: 0;
    border-left: 8px solid var(--highlight);
    padding-left: 12px;
    font-weight: 700;
}

h3 {
    color: var(--accent);
    font-size: 1.45em;
    margin-top: 25px;
}

/* -------------------------------------------------------
   LINKS
   ------------------------------------------------------- */

a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* -------------------------------------------------------
   LISTS
   ------------------------------------------------------- */

ul {
    list-style-type: disc;
    padding-left: 25px;
}

#announcements ul {
    padding-left: 0;
}

/* -------------------------------------------------------
   CALL TO ACTION BUTTONS
   ------------------------------------------------------- */

button.cta {
    background-color: var(--accent);
    color: white;
    padding: 12px 24px;
    font-size: 1.2em;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

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

/* -------------------------------------------------------
   FOOTER
   ------------------------------------------------------- */

footer {
    background-color: var(--primary);
    color: var(--text-light);
    text-align: center;
    padding: 25px;
    font-size: 1.05em;
    margin-top: 40px;
    border-top: 5px solid var(--highlight);
}

/* -------------------------------------------------------
   SESSION BLOCKS (Agenda)
   ------------------------------------------------------- */

.session {
    padding: 12px;
    border-radius: var(--radius);
    margin: 12px 0;
    box-shadow: 0 2px 6px var(--card-shadow);
    border-left: 6px solid var(--primary);
}

.blue   { background-color: #d0e7ff; border-left-color: #3b82f6; }
.green  { background-color: #d7f7d7; border-left-color: #22c55e; }
.yellow { background-color: #fffac8; border-left-color: #eab308; }
.orange { background-color: #ffe0b3; border-left-color: #f97316; }

.time-block {
    margin: 5px 0;
}

.bold {
    font-weight: 700;
}

/* -------------------------------------------------------
   RESPONSIVENESS
   ------------------------------------------------------- */

@media (max-width: 768px) {
    header {
        grid-template-columns: 1fr;
        text-align: center;
    }

    header img {
        margin: 0 auto 15px;
    }

    header h1, header p {
        margin-left: 0;
    }

    main {
        padding: 10px;
    }

    section {
        padding: 18px;
    }
}