:root {
    --navy: #003B7A;
    --teal: #2CA79B;
    --gold: #F2B52B;
    --light: #F7FAFC;
    --gray: #6B7280;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:"Segoe UI", Arial, sans-serif;
    background:white;
    color:#333;
    line-height:1.6;
}

/* =========================
   NAVIGATION
========================= */

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:15px 50px;

    background:white;

    position:fixed;

    top:0;
    left:0;
    right:0;

    z-index:9999;

    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

body{
    font-family:"Segoe UI", Arial, sans-serif;
    background:white;
    color:#333;
    line-height:1.6;

    padding-top:90px;
}

.logo img{
    height:55px;
}

.nav-links{
    display:flex;
    list-style:none;
    gap:30px;
}

.nav-links a{
    text-decoration:none;
    color:var(--navy);
    font-weight:600;
    transition:.2s ease;
}

.nav-links a:hover{
    color:var(--teal);
}

/* =========================
   HERO
========================= */

.hero{
    padding:70px 20px 80px 20px;
    text-align:center;
    background:white;
}

.hero-brand{
    max-width:1000px;
    margin:auto;
}

.hero-icon{
    width:500px;
    max-width:90%;
    margin-bottom:15px;
}

.hero h1{
    font-size:2.8rem;
    color:var(--navy);
    margin-bottom:12px;
    line-height:1.15;
}

.hero-subtitle{
    color:var(--teal);
    font-weight:600;
    letter-spacing:.5px;
    margin-bottom:20px;
    font-size:1rem;
}

.tagline{
    font-size:1.2rem;
    color:var(--gray);
    max-width:800px;
    margin:auto;
}

/* =========================
   SMALL HERO
========================= */

.hero-small{
    padding:40px 20px 20px 20px;
    text-align:center;
}

.hero-small h1{
    color:var(--navy);
    font-size:3rem;
    margin:0 auto;
    text-align:center;
}


/* =========================
   BUTTON
========================= */

.button{
    display:inline-block;
    margin-top:35px;

    background:var(--gold);
    color:black;

    text-decoration:none;

    padding:16px 40px;

    border-radius:50px;

    font-weight:700;
    font-size:1.05rem;

    transition:.25s ease;
}

.button:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 25px rgba(0,0,0,.15);
}

/* =========================
   SECTIONS
========================= */

.section{
    padding:80px 10%;
}

.section h2{
    text-align:center;
    color:var(--navy);
    margin-bottom:20px;
    font-size:2rem;
}

.section-intro{
    text-align:center;
    max-width:850px;
    margin:0 auto 50px auto;
    color:var(--gray);
    font-size:1.1rem;
}

/* =========================
   CARDS
========================= */

.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.card{
    background:white;
    padding:35px;
    border-radius:18px;

    box-shadow:
        0 8px 25px rgba(0,0,0,.06);

    transition:.3s ease;

    height:100%;
}

.card:hover{
    transform:translateY(-8px);

    box-shadow:
        0 15px 35px rgba(0,0,0,.12);
}

.card h3{
    color:var(--navy);
    margin-bottom:15px;
}

/* Colored accents */

.card-grid .card:nth-child(1){
    border-top:5px solid var(--teal);
}

.card-grid .card:nth-child(2){
    border-top:5px solid var(--navy);
}

.card-grid .card:nth-child(3){
    border-top:5px solid var(--gold);
}

/* =========================
   LIGHT SECTION
========================= */

.pathway{
    background:#f6f8fb;
}

.pathway p{
    text-align:center;
    max-width:900px;
    margin:auto;
}

/* =========================
   VIDEO
========================= */

.video-container{
    max-width:900px;
    margin:auto;
}

.video-container iframe{
    width:100%;
    aspect-ratio:16/9;
    height:auto;

    border:none;
    border-radius:18px;

    box-shadow:
        0 10px 30px rgba(0,0,0,.10);
}

/* =========================
   JOURNEY
========================= */

.journey-arc{
    position:relative;

    max-width:1000px;

    margin:60px auto;

    min-height:360px;
}

.journey-arc::before{
    content:"";

    position:absolute;

    left:12%;
    right:12%;

    top:145px;

    height:140px;

    border-top:6px solid var(--teal);

    border-radius:50%;

    opacity:.6;
}

.journey-step{
    position:absolute;

    width:240px;

    background:white;

    padding:25px;

    border-radius:18px;

    text-align:center;

    box-shadow:
        0 8px 25px rgba(0,0,0,.08);
}

.journey-step h3{
    margin-bottom:10px;
    color:var(--navy);
}

.journey-left{
    left:0;
    top:140px;
    border-top:6px solid var(--teal);
}

.journey-center{
    left:50%;
    transform:translateX(-50%);
    top:20px;
    border-top:6px solid var(--gold);
}

.journey-right{
    right:0;
    top:140px;
    border-top:6px solid var(--navy);
}

/* =========================
   NSF NOTE
========================= */

.nsf-note{
    text-align:center;
    padding:20px;
    color:#777;
    font-size:.9rem;
}

/* =========================
   FOOTER
========================= */

footer{
    background:var(--navy);
    color:white;
    text-align:center;
    padding:40px;
}

footer p{
    margin-bottom:8px;
}

/* =========================
   MOBILE
========================= */

@media (max-width:900px){

    .navbar{
        flex-direction:column;
        gap:15px;
        padding:20px;
    }

    .nav-links{
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero{
        padding:40px 20px 60px 20px;
    }

    .hero-icon{
        width:320px;
    }

    .hero h1{
        font-size:2rem;
    }

    .tagline{
        font-size:1rem;
    }

    .section{
        padding:60px 8%;
    }

    .journey-arc{
        min-height:auto;
        display:flex;
        flex-direction:column;
        gap:25px;
    }

    .journey-arc::before{
        display:none;
    }

    .journey-step{
        position:relative;
        width:100%;
        left:auto;
        right:auto;
        top:auto;
        transform:none;
    }
}

/* =========================
   TEAM
========================= */

.team-card{
    text-align:center;
}

.headshot{
    width:160px;
    height:160px;

    object-fit:cover;

    border-radius:50%;

    display:block;

    margin:0 auto 20px auto;

    border:5px solid white;

    box-shadow:
        0 6px 20px rgba(0,0,0,.15);
}

/* =========================
   TIMELINE
========================= */

.timeline-section{
    background:#f8fbff;
}

.timeline{
    max-width:900px;
    margin:60px auto;
    position:relative;
}

.timeline::before{
    content:"";
    position:absolute;
    left:25px;
    top:0;
    bottom:0;
    width:4px;

    background:linear-gradient(
        to bottom,
        var(--teal),
        var(--gold),
        var(--navy)
    );

    border-radius:10px;
}

.timeline-item{
    position:relative;
    padding-left:80px;
    margin-bottom:50px;
}

.timeline-dot{
    position:absolute;
    left:12px;
    top:5px;

    width:30px;
    height:30px;

    border-radius:50%;

    background:var(--navy);

    border:5px solid white;

    box-shadow:0 3px 12px rgba(0,0,0,.15);
}

.timeline-item:nth-child(even) .timeline-dot{
    background:var(--teal);
}

.timeline-item:nth-child(odd) .timeline-dot{
    background:var(--gold);
}

.timeline-content{
    background:white;

    padding:25px;

    border-radius:16px;

    box-shadow:0 6px 20px rgba(0,0,0,.08);
}

.timeline-content h3{
    color:var(--navy);
    margin-bottom:10px;
}

.future{
    background:var(--navy) !important;

    animation:pulse 2s infinite;
}

@keyframes pulse{

    0%{
        box-shadow:0 0 0 0 rgba(44,167,155,.5);
    }

    70%{
        box-shadow:0 0 0 12px rgba(44,167,155,0);
    }

    100%{
        box-shadow:0 0 0 0 rgba(44,167,155,0);
    }

}

@media (max-width:768px){

    .timeline-item{
        padding-left:65px;
    }

}

/* =========================
   University Logos
========================= */

.university-logo{
    max-width:100px;
    height:auto;
    margin:15px auto;
    display:block;
}

/* =========================
   PARTNERS
========================= */

.partners-section{
    text-align:center;
}

.partners-logos{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:60px;
    flex-wrap:wrap;
    margin-top:30px;
}

.partner-logo{
    max-height:90px;
    width:auto;
}

.nsf-logo{
    max-height:110px;
}

/* =========================
   VIDEO
========================= */

.video-container{
    max-width:900px;
    margin:40px auto;
}

.video-container iframe{
    width:100%;
    aspect-ratio:16/9;

    border:none;

    border-radius:18px;

    box-shadow:
        0 10px 30px rgba(0,0,0,.10);
}

/* =========================
   MODULE CONTENT
========================= */

.placeholder-box{
    margin:30px 0;
    padding:60px 20px;
    border:2px dashed #cbd5e1;
    border-radius:12px;
    text-align:center;
    color:#64748b;
    background:#f8fafc;
}

.video-placeholder{
    margin:30px 0;
    padding:80px 20px;
    border-radius:12px;
    background:#e2e8f0;
    text-align:center;
    font-weight:600;
}

.accordion-card{
    background:white;
    border-radius:12px;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
    padding:20px;
    margin-bottom:20px;
}

.accordion-card summary{
    cursor:pointer;
    font-weight:700;
    color:var(--navy);
    font-size:1.1rem;
}

.accordion-card p{
    margin-top:20px;
}

.content-image{
    display:block;
    width:100%;
    max-width:900px;
    margin:30px auto;
    border-radius:12px;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
}

/* =========================
   MODULE 1 PAGE
========================= */

.module-hero{
    padding:80px 10%;
    background:#f8fafc;
}

.module-hero-grid{
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:50px;
    align-items:start;
}

.module-label{
    color:var(--gold);
    font-weight:700;
    letter-spacing:2px;
    margin-bottom:15px;
}

.module-hero h1{
    color:var(--navy);
    font-size:2.5rem;
    margin-bottom:20px;
}

.accent-line{
    width:80px;
    height:4px;
    background:var(--gold);
    margin-bottom:40px;
}

.feature-item{
    margin-bottom:30px;
}

.feature-item h3{
    color:var(--navy);
    margin-bottom:10px;
}

.journey-card{
    background:white;
    padding:35px;
    border-radius:16px;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.journey-card h3{
    color:var(--navy);
    margin-bottom:20px;
}

.journey-card h4{
    color:var(--navy);
    margin-top:25px;
    margin-bottom:15px;
}

.journey-list{
    padding-left:20px;
}

.journey-list li{
    margin-bottom:12px;
}

@media (max-width:900px){

    .module-hero-grid{
        grid-template-columns:1fr;
    }

    .module-hero h1{
        font-size:2.5rem;
    }
}

.full-width-image{
    width:95%;
    max-width:1100px;
    height:auto;
    display:block;
    margin:30px auto;
    border-radius:8px;
    box-shadow:0 4px 15px rgba(0,0,0,.08);
}
    
.image-caption{
    text-align:center;
    font-size:0.9rem;
    color:var(--gray);
    margin-top:-15px;
    margin-bottom:30px;
    font-style:italic;
}