:root {
    --navy: #0A0F1F;
    --blue: #1E90FF;
    --red: #D62828;
    --grey: #C7C7C7;
    --white: #F5F5F5;
    --yellow: #F7E733;
    --light-bg: #111827;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
    background: var(--navy);
    color: var(--white);
}

.section {
    padding: 80px 10%;
    scroll-margin-top: 80px;
}

.dark {
    background: var(--navy);
}

.light {
    background: var(--light-bg);
}

.white {
    background: var(--white);
    color: #000;
}

h1, h2, h3 {
    margin-top: 0;
    font-family: "Montserrat", system-ui, sans-serif;
}

.content-narrow {
    max-width: 800px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 15, 31, 0.95);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 10%;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.logo {
    font-weight: 700;
    letter-spacing: 0.1em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

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

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
}

/* Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding-top: 120px;
}

.hero-content {
    max-width: 600px;
}

.hero-sub {
    font-size: 1rem;
    color: var(--grey);
    margin-bottom: 10px;
}

.hero-intro {
    max-width: 500px;
    line-height: 1.5;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.cta {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: var(--blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
}

.cta:hover {
    background: #3aa0ff;
}

.hero-image img {
    max-width: 350px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Timeline */
.timeline {
    max-width: 900px;
    margin: 40px auto 0;
    position: relative;
    padding-left: 20px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255,255,255,0.2);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-dot {
    position: absolute;
    left: 2px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--blue);
    border: 2px solid #fff;
}

.timeline-content {
    margin-left: 40px;
}

/* Grid cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: var(--blue);
    color: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
}

/* Links list */
.links {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.links li {
    margin-bottom: 8px;
}

.links a {
    color: var(--yellow);
    text-decoration: none;
}

.links a:hover {
    text-decoration: underline;
}

/* Photo grid placeholder */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.photo-grid img {
    width: 100%;
    border-radius: 6px;
    object-fit: cover;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    background: #000;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: left;
        gap: 30px;
    }

    .hero-image img {
        max-width: 260px;
    }
}

@media (max-width: 768px) {
    :root {
        scroll-padding-top: 66px;
    }

    .navbar {
        padding: 10px 6%;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 56px;
        right: 0;
        background: rgba(10, 15, 31, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 20px;
        gap: 10px;
        display: none;
    }

    .nav-links.show {
        display: flex;
    }

    .section {
        padding: 70px 6%;
        scroll-margin-top: 66px;
    }

    .hero {
        padding-top: 100px;
    }
}

.section-img,
.story-image,
.timeline-img {
    max-width: 900px;
    border-radius: 10px;
    margin: 20px 0;
    display: block;
}

.timeline-img {
    max-width: 500px;
}

.photo-grid img {
    border-radius: 8px;
    object-fit: cover;
}
.section-extra.hidden {
    display: none;
}

.readon-wrapper {
    margin-top: 2rem;
}

.readon-btn {
    padding: 0.7rem 1.4rem;
    background: #0b1b33;
    color: #e5f3ff;
    border: 1px solid rgba(0,255,255,0.3);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.readon-btn:hover {
    background: rgba(0,255,255,0.2);
}
.story-img {
    max-width: 700px;
    margin: 20px 0;
    border-radius: 6px;
}

.hidden {
    display: none;
}