/* ═══════════════════════════════════════════════════════
   style_about.css  —  styles specific to about.html
   Requires: style_common.css
   ═══════════════════════════════════════════════════════ */

html { scroll-padding-top: 5rem; }

/* ── HERO overrides ── */
.hero {
    min-height: 50vh;
    justify-content: flex-end;
    padding: 10rem 3rem 5rem;
}

.hero::before {
    background:
        radial-gradient(ellipse 50% 65% at 70% 30%, rgba(139,175,196,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 50% at 20% 70%, rgba(59,158,255,0.07) 0%, transparent 55%);
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
    max-width: 20ch;
}

.hero-sub { max-width: 52ch; }

/* ── SECTION BASE ── */
section { padding: 6rem 3rem; }

/* ── ORIGIN SECTION (2-col) ── */
.origin-section { padding-bottom: 0; }

.origin-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 5rem;
    align-items: start;
}

.origin-content p {
    color: var(--accent2);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.8;
    max-width: 58ch;
    margin-bottom: 1.25rem;
}

.origin-content p:last-child { margin-bottom: 0; }
.origin-content p strong { color: var(--white); font-weight: 600; }

/* ── PRINCIPLE PANEL ── */
.principle-panel {
    background: var(--mid);
    border: 1px solid var(--border);
    padding: 2.5rem;
    position: sticky;
    top: 5.5rem;
    overflow: hidden;
}

.principle-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 100% 0%, rgba(59,158,255,0.07) 0%, transparent 65%);
    pointer-events: none;
}

.principle-panel-label {
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.principle-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.principle-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border2);
}

.principle-item:last-child { border-bottom: none; padding-bottom: 0; }
.principle-item:first-child { padding-top: 0; }

.principle-item h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.35rem;
}

.principle-item p {
    font-size: 0.83rem;
    color: var(--accent2);
    font-weight: 300;
    line-height: 1.6;
    margin: 0;
}

/* ── PARTNERSHIP SECTION ── */
.partnership-section {
    background: var(--mid2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.partnership-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-top: 3.5rem;
}

.partnership-content p {
    color: var(--accent2);
    font-size: 0.97rem;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1.1rem;
}

.partnership-content p:last-child { margin-bottom: 0; }
.partnership-content p strong { color: var(--white); font-weight: 600; }

.partnership-callout {
    background: var(--mid);
    border: 1px solid var(--border);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.partnership-callout::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 70% at 0% 100%, rgba(0,200,212,0.06) 0%, transparent 60%);
    pointer-events: none;
}

.partnership-callout-label {
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent3);
    margin-bottom: 1.25rem;
}

.partnership-callout h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.partnership-callout p {
    color: var(--accent2);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.partnership-callout p:last-child { margin-bottom: 0; }

.partnership-callout ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
}

.partnership-callout li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.87rem;
    color: var(--accent2);
    font-weight: 300;
    line-height: 1.5;
}

.partnership-callout li .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent3);
    flex-shrink: 0;
    margin-top: 0.5rem;
}

/* ── VALUES SECTION ── */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.value-card {
    background: var(--mid);
    border: 1px solid var(--border2);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.value-card:hover {
    border-color: rgba(59,158,255,0.3);
    box-shadow: 0 0 28px rgba(59,158,255,0.05);
}

.value-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 70% at 0% 0%, rgba(59,158,255,0.04) 0%, transparent 60%);
    pointer-events: none;
}

.value-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(59,158,255,0.1);
    line-height: 1;
    margin-bottom: 1.25rem;
}

.value-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.value-card p {
    color: var(--accent2);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.75;
}

/* ── TEAM SECTION ── */
.team-section { background: var(--mid2); border-top: 1px solid var(--border); }

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-top: 3.5rem;
}

.team-card {
    background: var(--mid);
    border: 1px solid var(--border2);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: border-color 0.2s;
}

.team-card:hover { border-color: rgba(59,158,255,0.25); }

.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--mid2);
    border: 1px solid var(--border);
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
}

.team-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.team-bio {
    font-size: 0.82rem;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.6;
}

/* ── MILESTONE TIMELINE ── */
.timeline {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.milestone {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-left: 2px solid var(--border);
    padding-left: 1.75rem;
    margin-left: 1.25rem;
    position: relative;
}

.milestone-dot {
    position: absolute;
    left: -6px;
    top: 1.85rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--black);
    flex-shrink: 0;
}

.milestone-year {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.06em;
    padding-top: 0.15rem;
    white-space: nowrap;
}

.milestone-text {
    color: var(--accent2);
    font-size: 0.92rem;
    font-weight: 300;
    line-height: 1.7;
}

.milestone-text strong { color: var(--white); font-weight: 600; }

/* ── CTA STRIP ── */
.cta-strip {
    background: var(--black);
    border-top: 1px solid var(--border);
    padding: 6rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 75% at 50% 50%, rgba(59,158,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.cta-strip h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.cta-strip p {
    color: var(--accent2);
    font-size: 1rem;
    font-weight: 300;
    max-width: 44ch;
    margin: 0 auto 2rem;
    line-height: 1.75;
}

.btn-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ── TABLET ── */
@media (max-width: 1024px) {
    section { padding: 5rem 2rem; }
    .hero { padding: 9rem 2rem 4rem; }
    .origin-grid { grid-template-columns: 1fr; gap: 3rem; }
    .principle-panel { position: static; }
    .partnership-grid { grid-template-columns: 1fr; gap: 3rem; }
    .values-grid { grid-template-columns: 1fr 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-strip { padding: 5rem 2rem; }
}

/* ── MOBILE ── */
@media (max-width: 767px) {
    .hero { min-height: auto; padding: 7rem 1.25rem 3.5rem; }
    .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); max-width: 100%; }
    .hero-sub { font-size: 0.97rem; max-width: 100%; }

    section { padding: 4rem 1.25rem; }
    .section-title { font-size: clamp(1.6rem, 6vw, 2.2rem); max-width: 100%; }
    .section-body  { max-width: 100%; }

    .origin-grid { grid-template-columns: 1fr; gap: 2rem; }
    .origin-content p { max-width: 100%; }

    .partnership-grid { grid-template-columns: 1fr; gap: 2rem; }

    .values-grid { grid-template-columns: 1fr; gap: 1rem; margin-top: 2rem; }
    .value-card  { padding: 2rem 1.5rem; }
    .value-number { font-size: 2.75rem; }

    .team-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; }
    .team-card { padding: 1.5rem 1rem; }

    .milestone { grid-template-columns: 60px 1fr; }

    .cta-strip { padding: 4rem 1.25rem; }
    .btn-row { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .team-grid { grid-template-columns: 1fr; }
}