/* =========================================
    SIA About Page Styles
    Palette: Black #000000, Gold #D4AF37
    Typography: Inter
========================================= */

:root {
    --sia-black: #000000;
    --sia-charcoal: #050505;
    --sia-gold: #d4af37;
    --sia-gold-soft: rgba(212, 175, 55, 0.2);
    --sia-white: #f8f6f0;
    --body-font:
        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --transition: 0.3s ease;
    --card-bg: rgba(5, 5, 5, 0.8);
    --border: rgba(212, 175, 55, 0.35);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--body-font);
    background-color: var(--sia-black);
    color: var(--sia-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

#particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.eye-parallax {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
}

.eye-parallax__image {
    width: min(40vw, 420px);
    filter: drop-shadow(0 0 30px rgba(212, 175, 55, 0.5));
    transition: transform 0.4s ease;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.site-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 1rem clamp(1.5rem, 5vw, 4rem);
    position: relative;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    text-decoration: none;
    padding-left: 1rem;
}

.brand__mark {
    display: flex;
    justify-content: center;
    align-items: center;
}

.brand__mark img {
    width: 50px;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    text-decoration: none;
    font-size: 0.95rem;
    color: var(--sia-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--sia-gold);
    border-color: var(--sia-gold);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-right: 1rem;
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 4px;
    transition: var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-nav--signin {
    color: var(--sia-white);
    border-color: var(--border);
}

.btn-nav--signin:hover {
    color: var(--sia-gold);
    border-color: var(--sia-gold);
}

.btn-nav--signup {
    background-color: var(--sia-gold);
    color: var(--sia-black);
    border-color: var(--sia-gold);
}

.btn-nav--signup:hover {
    background-color: transparent;
    color: var(--sia-gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.btn-nav--logout {
    color: var(--sia-white);
    border-color: var(--border);
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-nav--logout:hover {
    color: var(--sia-gold);
    border-color: var(--sia-gold);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    position: absolute;
    right: 1rem;
    z-index: 10;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--sia-gold);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 968px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .site-nav {
        grid-template-columns: 1fr auto;
        padding: 1rem;
    }

    .brand {
        padding-left: 0.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: static;
        transform: none;
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        padding: 1.5rem 0;
        border-top: 1px solid var(--border);
        margin-top: 1rem;
        display: none;
    }

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

    .nav-auth {
        flex-direction: column;
        width: 100%;
        padding: 1rem 0;
        border-top: 1px solid var(--border);
        margin-top: 0;
        display: none;
        padding-right: 0;
    }

    .nav-auth.active {
        display: flex;
    }

    .btn-nav {
        width: 100%;
        text-align: center;
    }
}

main {
    position: relative;
    z-index: 1;
    padding-bottom: 4rem;
}

section {
    padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 6vw, 5rem);
}

.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(
        160deg,
        rgba(0, 0, 0, 0.85),
        rgba(8, 8, 8, 0.7)
    );
}

.hero__content {
    max-width: 850px;
    animation: fade-slide 1.4s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero__content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    color: var(--sia-gold);
}

.hero__lead {
    font-size: 1.1rem;
    color: rgba(248, 246, 240, 0.85);
    margin-bottom: 2rem;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--sia-gold);
    opacity: 0.8;
    margin-bottom: 0.8rem;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    border: 1px solid transparent;
    padding: 0.85rem 1.4rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: var(--transition);
    border-radius: 999px;
}

.btn--gold {
    background-color: var(--sia-gold);
    color: #000;
    border-color: var(--sia-gold);
}

.btn--gold:hover,
.btn--gold:focus-visible {
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
}

.btn--outline {
    background: transparent;
    border-color: var(--sia-gold);
    color: var(--sia-gold);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    background-color: rgba(212, 175, 55, 0.1);
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    color: var(--sia-gold);
    margin-bottom: 0.75rem;
}

.section-heading__lead {
    color: rgba(248, 246, 240, 0.8);
}

.overview {
    background: rgba(5, 5, 5, 0.85);
}

.overview__text {
    max-width: 880px;
    margin: 0 auto 2rem;
    text-align: center;
    font-size: 1.05rem;
}

.overview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.info-card h3 {
    color: var(--sia-gold);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-card ul,
.info-card ol {
    padding-left: 1.1rem;
    color: rgba(248, 246, 240, 0.85);
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.roadmap {
    background: linear-gradient(
        120deg,
        rgba(5, 5, 5, 0.9),
        rgba(10, 10, 10, 0.7)
    );
}

.roadmap__content > p {
    margin-bottom: 3rem;
}

.roadmap__cta {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.link-pill {
    border: 1px solid var(--border);
    padding: 0.75rem 1.2rem;
    border-radius: 999px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--sia-white);
    transition: var(--transition);
}

.link-pill:hover,
.link-pill:focus-visible {
    background-color: rgba(212, 175, 55, 0.15);
    border-color: var(--sia-gold);
}

.team {
    background: rgba(2, 2, 2, 0.85);
}

.team .section-heading {
    text-align: center;
}

.mosaic-toolbar {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.mosaic-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--sia-white);
    border-radius: 999px;
    padding: 0.6rem 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mosaic-toggle[aria-pressed="true"],
.mosaic-toggle:hover,
.mosaic-toggle:focus-visible {
    border-color: var(--sia-gold);
    color: var(--sia-gold);
}

.mosaic {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: center;
    padding: 3rem 0;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.team-card {
    background: radial-gradient(
        circle at top,
        rgba(15, 12, 8, 0.95),
        rgba(5, 5, 5, 0.9)
    );
    border: 3px double var(--sia-gold);
    border-radius: 60px;
    padding: 2.5rem 2rem;
    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(212, 175, 55, 0.2);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 240px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cardAppear 0.6s ease-out backwards;
    animation-delay: calc(var(--card-index, 0) * 0.1s);
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Decorative cartouche caps */
.team-card::before,
.team-card::after {
    content: "";
    position: absolute;
    width: 35px;
    height: 35px;
    border: 3px solid var(--sia-gold);
    transition: all 0.4s ease;
}

.team-card::before {
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50% 50% 0 0;
    border-bottom: none;
    background: radial-gradient(
        circle at center,
        rgba(212, 175, 55, 0.2),
        transparent
    );
}

.team-card::after {
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 50% 50%;
    border-top: none;
    background: radial-gradient(
        circle at center,
        rgba(212, 175, 55, 0.2),
        transparent
    );
}

.team-card:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.8),
        0 0 50px rgba(212, 175, 55, 0.5);
    border-color: rgba(212, 175, 55, 1);
    border-width: 4px;
}

.team-card:hover::before,
.team-card:hover::after {
    width: 40px;
    height: 40px;
    border-width: 4px;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
}

.team-card--leader {
    width: 240px;
    padding: 2.5rem 2rem;
}

.team-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--sia-gold);
    margin: 0 auto 1.5rem;
    position: relative;
    box-shadow:
        0 0 30px rgba(212, 175, 55, 0.5),
        inset 0 0 30px rgba(0, 0, 0, 0.4);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: photoGlow 3s ease-in-out infinite;
}

@keyframes photoGlow {
    0%,
    100% {
        box-shadow:
            0 0 30px rgba(212, 175, 55, 0.5),
            inset 0 0 30px rgba(0, 0, 0, 0.4);
    }
    50% {
        box-shadow:
            0 0 40px rgba(212, 175, 55, 0.7),
            inset 0 0 30px rgba(0, 0, 0, 0.4);
    }
}

.team-card:hover .team-photo {
    transform: scale(1.1) rotate(5deg);
    border-width: 6px;
    box-shadow:
        0 0 50px rgba(212, 175, 55, 0.8),
        inset 0 0 30px rgba(0, 0, 0, 0.3);
}

.team-photo img,
.team-photo .avatar-fallback {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.team-card:hover .team-photo img {
    transform: scale(1.1);
}

.avatar-fallback {
    background: rgba(212, 175, 55, 0.15);
    color: var(--sia-gold);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.team-role {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: rgba(212, 175, 55, 0.85);
    margin: 0;
    text-align: center;
    padding: 0.6rem 1.2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.4);
    border-bottom: 1px solid rgba(212, 175, 55, 0.4);
    position: relative;
    transition: all 0.3s ease;
}

.team-role::before,
.team-role::after {
    content: "◆";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sia-gold);
    font-size: 0.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.team-role::before {
    left: 0.5rem;
}

.team-role::after {
    right: 0.5rem;
}

.team-card:hover .team-role {
    color: var(--sia-gold);
    border-color: var(--sia-gold);
    padding: 0.6rem 1.5rem;
}

.team-card:hover .team-role::before,
.team-card:hover .team-role::after {
    opacity: 1;
}

.team-info h3 {
    margin: 0 0 0.8rem;
    color: var(--sia-gold);
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.team-card:hover .team-info h3 {
    transform: scale(1.05);
    text-shadow: 0 4px 20px rgba(212, 175, 55, 0.6);
}

/* Stagger animation for cards */
.team-card:nth-child(1) {
    --card-index: 0;
}
.team-card:nth-child(2) {
    --card-index: 1;
}
.team-card:nth-child(3) {
    --card-index: 2;
}
.team-card:nth-child(4) {
    --card-index: 3;
}
.team-card:nth-child(5) {
    --card-index: 4;
}
.team-card:nth-child(6) {
    --card-index: 5;
}
.team-card:nth-child(7) {
    --card-index: 6;
}
.team-card:nth-child(8) {
    --card-index: 7;
}
.team-card:nth-child(9) {
    --card-index: 8;
}
.team-card:nth-child(10) {
    --card-index: 9;
}
.team-card:nth-child(11) {
    --card-index: 10;
}
.team-card:nth-child(12) {
    --card-index: 11;
}

.contact {
    background: rgba(5, 5, 5, 0.9);
}

.contact__card {
    max-width: 540px;
    margin: 0 auto;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
}

.contact__email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--sia-gold);
    font-weight: 600;
    margin-top: 1rem;
}

/* Reveal animation base */
.reveal {
    opacity: 0;
    transform: translateY(30px);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}

/* Responsive layout tweaks */
@media (min-width: 900px) {
    /* Horizontal scroll works on all screen sizes */
}

@media (max-width: 768px) {
    /* Hero section mobile */
    .hero {
        min-height: 80vh;
        padding: 2rem 0;
    }

    .hero__content {
        padding: 1.5rem 1rem;
    }

    .hero__content h1 {
        font-size: 32px;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero__lead {
        font-size: 16px;
        line-height: 1.5;
        margin-bottom: 2rem;
    }

    .hero__cta {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }

    .btn {
        width: 100%;
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    /* Sections spacing */
    section {
        padding: 3rem 0;
    }

    .section-heading {
        margin-bottom: 2rem;
        padding: 0 1rem;
    }

    .section-heading h2 {
        font-size: 28px;
    }

    /* Overview grid mobile */
    .overview__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .info-card {
        padding: 1.5rem;
        margin: 0 auto;
        max-width: 400px;
    }

    .info-card h3 {
        font-size: 18px;
        margin-bottom: 0.75rem;
    }

    /* Team cards mobile */
    .mosaic {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
        max-width: none;
        padding: 0 1rem;
    }

    .team-card,
    .team-card--leader {
        min-width: auto;
        max-width: 100%;
        width: 100%;
        margin: 0;
    }

    .team-card {
        padding: 2rem 1.5rem;
    }

    .team-photo {
        width: 100px;
        height: 100px;
        margin-bottom: 1rem;
    }

    .team-name {
        font-size: 18px;
        margin-bottom: 0.5rem;
    }

    .team-role {
        font-size: 14px;
    }

    /* Contact section mobile */
    .contact__card {
        padding: 1.5rem;
        margin: 0 1rem;
    }

    .contact__email {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    /* Hero section smaller */
    .hero {
        min-height: 70vh;
        padding: 1.5rem 0;
    }

    .hero__content {
        padding: 1rem 0.75rem;
    }

    .hero__content h1 {
        font-size: 24px;
        margin-bottom: 0.75rem;
    }

    .hero__lead {
        font-size: 14px;
        margin-bottom: 1.5rem;
    }

    .hero__cta {
        padding: 0 0.75rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    /* Sections spacing smaller */
    section {
        padding: 2.5rem 0;
    }

    .section-heading h2 {
        font-size: 24px;
    }

    /* Team cards smaller */
    .mosaic {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.75rem;
    }

    .team-card {
        padding: 1.5rem 1rem;
    }

    .team-photo {
        width: 80px;
        height: 80px;
    }

    .team-name {
        font-size: 16px;
    }

    .team-role {
        font-size: 13px;
    }

    /* Info cards smaller */
    .info-card {
        padding: 1.25rem;
    }

    .info-card h3 {
        font-size: 16px;
    }

    /* Contact section smaller */
    .contact__card {
        padding: 1.25rem 1rem;
        margin: 0 0.75rem;
    }

    .contact__email {
        font-size: 14px;
    }
}

@media (max-width: 320px) {
    /* Hero section very small */
    .hero {
        min-height: 60vh;
        padding: 1rem 0;
    }

    .hero__content {
        padding: 0.75rem 0.5rem;
    }

    .hero__content h1 {
        font-size: 20px;
        margin-bottom: 0.5rem;
    }

    .hero__lead {
        font-size: 13px;
        margin-bottom: 1.25rem;
        line-height: 1.4;
    }

    .hero__cta {
        padding: 0 0.5rem;
    }

    .btn {
        padding: 9px 18px;
        font-size: 0.8rem;
    }

    /* Sections very small */
    section {
        padding: 2rem 0;
    }

    .section-heading {
        padding: 0 0.5rem;
    }

    .section-heading h2 {
        font-size: 20px;
    }

    /* Team cards very small */
    .mosaic {
        padding: 0 0.5rem;
    }

    .team-card {
        padding: 1rem 0.75rem;
    }

    .team-photo {
        width: 70px;
        height: 70px;
    }

    .team-name {
        font-size: 14px;
    }

    .team-role {
        font-size: 12px;
    }

    /* Info cards very small */
    .info-card {
        padding: 1rem 0.75rem;
    }

    .info-card h3 {
        font-size: 14px;
    }

    /* Contact very small */
    .contact__card {
        padding: 1rem 0.75rem;
        margin: 0 0.5rem;
    }

    .contact__email {
        font-size: 13px;
    }
}

.mosaic--stacked {
    display: flex;
    flex-direction: column;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero__content,
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Utility animation */
@keyframes fade-slide {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}