/* ============================================================
   VECTOR SCIENCE & THERAPEUTICS — Main Stylesheet
   ============================================================ */

@import url('./reset.css');
@import url('./tokens.css');

/* ── Base ──────────────────────────────────────────────────── */

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* ── Layout Utilities ────────────────────────────────────── */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.container--wide {
    max-width: var(--max-width-wide);
}

.section {
    padding-block: var(--space-24);
}

.section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section--navy {
    background-color: var(--navy-950);
    color: var(--color-text-light);
}

.section--cream {
    background-color: var(--cream-dark);
}

/* ── Typography ──────────────────────────────────────────── */

.display-text {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
}

.eyebrow {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text-muted);
    max-width: 60ch;
}

.text-gold {
    color: var(--color-accent);
}

.text-light {
    color: var(--color-text-light);
}

.text-muted {
    color: var(--color-text-muted);
}

/* ── Navigation ──────────────────────────────────────────── */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--duration-slow) var(--ease-smooth),
        box-shadow var(--duration-slow) var(--ease-smooth);
}

.nav.nav--scrolled {
    background: rgba(13, 32, 53, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.07);
}

.nav.nav--light {
    background: rgba(237, 245, 251, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(13, 32, 53, 0.08);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.nav__logo-mark {
    /* Legacy — kept for any stray reference; primary logo now uses nav__logo-img */
    width: 38px;
    height: 33px;
    flex-shrink: 0;
    display: block;
}

/* Full-lockup PNG logo (icon + wordmark in one image) */
.nav__logo-img {
    height: 36px;
    width: auto;
    flex-shrink: 0;
    display: block;
    object-fit: contain;
}

.nav__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav__logo-primary {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.nav__logo-secondary {
    font-size: var(--text-xs);
    font-weight: 300;
    color: var(--blue-200);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav--light .nav__logo-primary {
    color: var(--brand-blue);
}

.nav--light .nav__logo-secondary {
    color: var(--blue-600);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.03em;
    position: relative;
    transition: color var(--duration-base) var(--ease-smooth);
    padding-block: var(--space-2);
}

.nav--light .nav__link {
    color: var(--slate-700);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent);
    transition: width var(--duration-base) var(--ease-smooth);
}

.nav__link:hover,
.nav__link.nav__link--active {
    color: var(--white);
}

.nav--light .nav__link:hover,
.nav--light .nav__link.nav__link--active {
    color: var(--navy-900);
}

.nav__link:hover::after,
.nav__link.nav__link--active::after {
    width: 100%;
}

.nav__cta {
    padding: var(--space-2) var(--space-5);
    background: var(--brand-orange);
    color: var(--white) !important;
    border-radius: var(--radius-full);
    font-weight: 700;
    letter-spacing: 0.03em;
    transition: background var(--duration-base) var(--ease-smooth),
        transform var(--duration-fast) var(--ease-smooth);
}

.nav__cta:hover {
    background: var(--orange-600);
    transform: translateY(-1px);
}

.nav__cta::after {
    display: none;
}

/* Mobile hamburger */
.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--duration-base) var(--ease-smooth);
}

.nav--light .nav__hamburger span {
    background: var(--navy-900);
}

.nav__hamburger.is-open span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
}

.nav__hamburger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__hamburger.is-open span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
}

/* Mobile nav menu */
.nav__mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--navy-950);
    padding: var(--space-6);
    flex-direction: column;
    gap: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-smooth),
        transform var(--duration-base) var(--ease-smooth);
}

.nav__mobile-menu.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav__mobile-link {
    font-size: var(--text-lg);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    padding-block: var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    transition: color var(--duration-fast);
}

.nav__mobile-link:hover {
    color: var(--gold-400);
}

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-smooth);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn--primary {
    background: var(--brand-orange);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(69, 128, 117, 0.35);
}

.btn--primary:hover {
    background: var(--green-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(69, 128, 117, 0.45);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn--outline:hover {
    border-color: var(--green-400);
    color: var(--green-400);
    transform: translateY(-2px);
}

.btn--outline-dark {
    background: transparent;
    color: var(--navy-900);
    border: 1.5px solid var(--navy-300, #8A9BB0);
}

.btn--outline-dark:hover {
    border-color: var(--navy-900);
    background: var(--navy-900);
    color: var(--white);
    transform: translateY(-2px);
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform var(--duration-base) var(--ease-smooth);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ── Hero Section ────────────────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

/* Bottom-deep and left-heavy dark veil — keeps text readable */
.hero__bg::before {
    content: '';
    position: absolute;
    inset: 0;
    /* Dark band covering ~55% from left, fading right */
    background: linear-gradient(100deg,
            rgba(13, 32, 53, 0.96) 0%,
            rgba(13, 32, 53, 0.85) 38%,
            rgba(13, 32, 53, 0.50) 60%,
            rgba(13, 32, 53, 0.20) 100%);
    z-index: 1;
}

/* Subtle dark vignette around all edges */
.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 65% 50%,
            transparent 30%,
            rgba(13, 32, 53, 0.55) 100%);
    z-index: 1;
}




.hero__content {
    position: relative;
    z-index: 1;
    padding-block: calc(var(--nav-height) + var(--space-20)) var(--space-24);
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero__eyebrow::before {
    content: '';
    display: block;
    width: 32px;
    height: 1.5px;
    background: var(--gold-400);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--white);
    max-width: 20ch;
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero__title em {
    font-style: normal;
    color: var(--green-400);
}

.hero__description {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.72);
    max-width: 56ch;
    margin-bottom: var(--space-10);
    opacity: 0;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
}

.hero__scroll-indicator svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

/* ── Stats Bar ───────────────────────────────────────────── */

.stats-bar {
    background: var(--navy-950);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-bar__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0;
}

.stat-item {
    padding: var(--space-8) var(--space-6);
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item:last-child {
    border-right: none;
}

.stat-item__number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-item__label {
    font-size: var(--text-sm);
    color: var(--slate-300);
    letter-spacing: 0.03em;
}

/* ── Section Headers ─────────────────────────────────────── */

.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.section-header--center {
    align-items: center;
    text-align: center;
}

.section-header--center .section-subtitle {
    margin-inline: auto;
}

.section-divider {
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-500), transparent);
}

.section-header--center .section-divider {
    margin-inline: auto;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
    width: 80px;
}

/* ── Cards ───────────────────────────────────────────────── */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--duration-slow) var(--ease-smooth),
        box-shadow var(--duration-slow) var(--ease-smooth);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card--dark {
    background: var(--navy-800);
    border-color: rgba(255, 255, 255, 0.08);
}

/* ── Team Cards ──────────────────────────────────────────── */

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    padding-top: 60px; /* clear avatar overhang on first row */
}

/* ── Team Cards — Circular Avatar Style ─────────────────────────────── */

.team-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-slow) var(--ease-smooth),
        box-shadow var(--duration-slow) var(--ease-smooth);
    overflow: visible;
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Banner strip at top of card */
.team-card__image-wrap {
    position: relative;
    height: 90px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background: linear-gradient(135deg, #0d2035 0%, #163350 60%, #1a3d5e 100%);
    flex-shrink: 0;
    overflow: visible;
}

/* Circular avatar centered on the banner */
.team-card__image-wrap .team-card__photo,
.team-card__image-wrap .team-card__avatar-circle {
    position: absolute;
    left: 50%;
    bottom: -52px;
    transform: translateX(-50%);
    width: 108px;
    height: 108px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center center;
    border: 4px solid var(--white);
    box-shadow: 0 0 0 3px rgba(69,128,117,0.35), 0 8px 24px rgba(0,0,0,0.18);
    background: linear-gradient(135deg, #163350, #0f2236);
    display: block;
}

.team-card__avatar-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: rgba(255,255,255,0.25);
    letter-spacing: -0.05em;
}

/* Body: extra top padding to clear the avatar overhang */
.team-card__body {
    padding: 68px var(--space-6) var(--space-6);
    text-align: center;
    flex: 1;
}

.team-card__name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--navy-900);
    margin-bottom: var(--space-1);
}

.team-card__title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gold-600);
    margin-bottom: var(--space-4);
    letter-spacing: 0.02em;
}

.team-card__bio {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--slate-500);
    text-align: left;
}

.team-card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.team-card__linkedin {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--navy-700);
    transition: color var(--duration-fast);
}

.team-card__linkedin:hover {
    color: var(--gold-500);
}

.team-card__linkedin svg {
    width: 16px;
    height: 16px;
}

/* ── News Cards ──────────────────────────────────────────── */

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-slow) var(--ease-smooth),
        box-shadow var(--duration-slow) var(--ease-smooth);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card__flag {
    padding: var(--space-5) var(--space-6) 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.news-card__date {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--slate-400, #8A9BB0);
    text-transform: uppercase;
}

.news-card__tag {
    display: inline-block;
    padding: 2px var(--space-3);
    background: var(--gold-100);
    color: var(--gold-600);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
}

.news-card__body {
    padding: var(--space-5) var(--space-6);
    flex: 1;
}

.news-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--navy-900);
    line-height: var(--leading-snug);
    margin-bottom: var(--space-3);
}

.news-card__excerpt {
    font-size: var(--text-sm);
    color: var(--slate-500);
    line-height: var(--leading-relaxed);
}

.news-card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
}

.news-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--navy-700);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--duration-fast), gap var(--duration-fast);
}

.news-card__link:hover {
    color: var(--gold-600);
    gap: var(--space-3);
}

/* ── Pillars / Features ──────────────────────────────────── */

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
}

.pillar-card {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: background var(--duration-slow) var(--ease-smooth),
        border-color var(--duration-slow) var(--ease-smooth);
}

.pillar-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(224, 94, 87, 0.40);
}

.pillar-card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(79, 138, 190, 0.25), rgba(79, 138, 190, 0.07));
    border: 1px solid rgba(79, 138, 190, 0.35);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    color: var(--blue-300);
}

.pillar-card__icon svg {
    width: 24px;
    height: 24px;
}

.pillar-card__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-3);
}

.pillar-card__text {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--slate-200);
}

/* ── Forms ───────────────────────────────────────────────── */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--navy-900);
    letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: var(--white);
    border: 1.5px solid var(--slate-100);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--navy-900);
    transition: border-color var(--duration-base) var(--ease-smooth),
        box-shadow var(--duration-base) var(--ease-smooth);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(79, 138, 190, 0.18);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--slate-300);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* ── Footer ──────────────────────────────────────────────── */

.footer {
    background: var(--navy-950);
    color: var(--slate-300);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__top {
    padding-block: var(--space-16);
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-12);
}

.footer__brand-desc {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--slate-400, rgba(138, 155, 176, 0.8));
    max-width: 30ch;
    margin-top: var(--space-4);
}

.footer__heading {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: var(--space-5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--slate-300);
    transition: color var(--duration-fast);
}

.footer__link:hover {
    color: var(--gold-400);
}

.footer__contact-item {
    font-size: var(--text-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--slate-300);
    margin-bottom: var(--space-3);
}

.footer__contact-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--gold-500);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-block: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: var(--text-sm);
}

.footer__legal-links {
    display: flex;
    gap: var(--space-6);
}

.footer__legal-link {
    font-size: var(--text-xs);
    color: var(--slate-500);
    transition: color var(--duration-fast);
}

.footer__legal-link:hover {
    color: var(--slate-300);
}

/* ── Page Hero (inner pages) ─────────────────────────────── */

.page-hero {
    padding-top: calc(var(--nav-height) + var(--space-20));
    padding-bottom: var(--space-16);
    background: var(--navy-950);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(79, 138, 190, 0.10) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero__content {
    position: relative;
    z-index: 1;
}

.page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--white);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-5);
}

.page-hero__subtitle {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.6);
    max-width: 55ch;
}

/* ── Reveal Animations ───────────────────────────────────── */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slower) var(--ease-out),
        transform var(--duration-slower) var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 100ms;
}

.reveal-delay-2 {
    transition-delay: 200ms;
}

.reveal-delay-3 {
    transition-delay: 300ms;
}

.reveal-delay-4 {
    transition-delay: 400ms;
}

.reveal-delay-5 {
    transition-delay: 500ms;
}

/* ── Keyframes ───────────────────────────────────────────── */

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ── Toasts / Notifications ──────────────────────────────── */

.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 9999;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-xl);
    transform: translateY(100px);
    opacity: 0;
    transition: transform var(--duration-slow) var(--ease-spring),
        opacity var(--duration-slow) var(--ease-smooth);
}

.toast.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.toast--success {
    background: #1b3733;
    color: var(--green-400);
    border: 1px solid rgba(69, 128, 117, 0.3);
}

.toast--error {
    background: #3a1a1a;
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.toast svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ── Breadcrumbs ─────────────────────────────────────────── */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.breadcrumb__item {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.45);
}

.breadcrumb__separator {
    color: rgba(255, 255, 255, 0.25);
}

.breadcrumb__current {
    color: var(--gold-400);
}

/* ── Loading Spinner ─────────────────────────────────────── */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 1024px) {
    .footer__top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 68px;
    }

    .nav__links {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }

    .nav__mobile-menu {
        display: flex;
    }

    .section {
        padding-block: var(--space-16);
    }

    .hero__title {
        font-size: clamp(2.25rem, 10vw, 3.5rem);
        letter-spacing: -0.03em;
        max-width: 100%;
    }

    .footer__top {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .stats-bar__inner {
        grid-template-columns: 1fr 1fr;
    }

    .stat-item:nth-child(2) {
        border-right: none;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding-inline: var(--space-4);
    }

    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── About — Why / How / Equipped Cards ──────────────────── */

.about-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: stretch;
}

.about-why-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-slow) var(--ease-smooth),
        box-shadow var(--duration-slow) var(--ease-smooth);
}

.about-why-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-why-card__accent {
    height: 4px;
    flex-shrink: 0;
}

.about-why-card__accent--blue  { background: #4f8abe; }
.about-why-card__accent--orange { background: var(--brand-orange); }
.about-why-card__accent--green  { background: #458075; }

.about-why-card__body {
    padding: 2.25rem 2rem;
    flex: 1;
}

.about-why-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-6);
    line-height: var(--leading-snug);
}

.about-why-card__title--orange { color: var(--brand-orange); }
.about-why-card__title--green  { color: #458075; }

.about-why-card__text {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--slate-300);
}

@media (max-width: 900px) {
    .about-why-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Platform Diagram Section ────────────────────────────── */

.platform-diagram-section {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-block: 4rem;
}

.platform-diagram-frame {
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid rgba(79, 138, 190, 0.22);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem 2.5rem;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(42, 56, 73, 0.6),
        0 24px 64px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* Phase header labels */
.platform-phase-labels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(79, 138, 190, 0.2);
    padding-bottom: 1.5rem;
}

.platform-phase-label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0 0.5rem;
}

.platform-phase-label--steered,
.platform-phase-label--sustained {
    border-left: 1px solid rgba(79, 138, 190, 0.18);
    padding-left: 1.5rem;
}

.platform-phase-num {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #D9D2C4;
    opacity: 0.6;
}

.platform-phase-name {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1;
}

.platform-phase-label--smart    .platform-phase-name { color: #9ECEC0; }
.platform-phase-label--steered  .platform-phase-name { color: #EEC090; }
.platform-phase-label--sustained .platform-phase-name { color: #B8CCDE; }

/* SVG */
.platform-svg {
    width: 100%;
    height: auto;
    min-height: 420px;
    display: block;
}

/* Caption grid */
.platform-caption-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(42, 56, 73, 0.8);
}

.platform-cap {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
}

.platform-cap__num {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: 1.75rem;
    line-height: 1;
    letter-spacing: -0.01em;
    flex-shrink: 0;
}

.platform-cap__num--smart    { color: #8DBDB0; }
.platform-cap__num--steered  { color: #E6B48A; }
.platform-cap__num--sustained { color: #A9BDD4; }

.platform-cap__name {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.25rem;
    letter-spacing: -0.015em;
    margin-bottom: 0.3rem;
    line-height: 1;
}

.platform-cap__name--smart    { color: #8DBDB0; }
.platform-cap__name--steered  { color: #E6B48A; }
.platform-cap__name--sustained { color: #A9BDD4; }

.platform-cap__tag {
    font-family: var(--font-body);
    font-size: 0.5625rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #D9D2C4;
    opacity: 0.5;
    margin-bottom: 0.6rem;
}

.platform-cap__body {
    font-size: 0.875rem;
    line-height: 1.55;
    color: #F5F1EA;
    font-weight: 300;
}

.platform-cap__body em {
    font-style: italic;
    color: #D9D2C4;
}

/* Legend tagline — hidden (removed from layout) */
.platform-legend-tagline {
    display: none;
}

@keyframes pdiag-holdline {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.70; }
}

@keyframes pdiag-pulsering {
    0%, 100% { opacity: 0.45; transform: scale(1);    }
    50%       { opacity: 0.10; transform: scale(1.12); }
}

@keyframes pdiag-pulsedot {
    0%, 100% { opacity: 1;   }
    50%       { opacity: 0.4; }
}

@keyframes pdiag-ionfall {
    0%   { transform: translateY(0);     opacity: 0; }
    8%   { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(150px); opacity: 0; }
}

@keyframes pdiag-nodepulse {
    0%, 100% { opacity: 0.4; }
    50%       { opacity: 1;   }
}

.pdiag-hold { animation: pdiag-holdline  3s   ease-in-out infinite; }
.pdiag-ring { animation: pdiag-pulsering 2.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.pdiag-pdot { animation: pdiag-pulsedot  2.2s ease-in-out infinite; }
.pdiag-ion  { animation: pdiag-ionfall   3.2s ease-in-out infinite; }
.pdiag-n1   { animation: pdiag-nodepulse 2.2s ease-in-out infinite; }
.pdiag-n2   { animation: pdiag-nodepulse 2.2s ease-in-out infinite; animation-delay: 0.4s; }
.pdiag-n3   { animation: pdiag-nodepulse 2.2s ease-in-out infinite; animation-delay: 0.8s; }

/* Therapeutic window band pulse */
@keyframes pdiag-windowpulse {
    0%, 100% { opacity: 0.18; }
    50%       { opacity: 0.32; }
}
.pdiag-window { animation: pdiag-windowpulse 5s ease-in-out infinite; }
.pdiag-window--sustained { animation-delay: 1.5s; }

/* Sensing network data-flow (travelling dashes) */
@keyframes pdiag-flowdash {
    from { stroke-dashoffset: 25; }
    to   { stroke-dashoffset: 0;  }
}
.pdiag-flowline    { animation: pdiag-flowdash 1.2s linear infinite; }
.pdiag-flowline--2 { animation-delay: 0.45s; }

/* Connector draw-and-hold loop */
@keyframes pdiag-connect {
    0%   { stroke-dashoffset: 60; opacity: 0;   }
    18%  {                         opacity: 0.7; }
    65%  { stroke-dashoffset: 0;  opacity: 0.7; }
    85%  { stroke-dashoffset: 0;  opacity: 0.7; }
    100% { stroke-dashoffset: 0;  opacity: 0;   }
}
.pdiag-connector    { animation: pdiag-connect 3.2s ease-in-out infinite; }
.pdiag-connector--2 { animation-delay: 1.0s; }

/* Source emitter pulse (in sync with ion drops) */
@keyframes pdiag-emitterpulse {
    0%, 100% { opacity: 1;    }
    50%       { opacity: 0.55; }
}
.pdiag-emitter { animation: pdiag-emitterpulse 3.2s ease-in-out infinite; }

/* Rejected systemic paths fade */
@keyframes pdiag-rejectfade {
    0%, 100% { opacity: 0.55; }
    50%       { opacity: 0.15; }
}
.pdiag-reject    { animation: pdiag-rejectfade 4.5s ease-in-out infinite; }
.pdiag-reject--2 { animation-delay: 0.8s; }

/* Marching dashes — conventional dosing curve */
@keyframes pdiag-march {
    from { stroke-dashoffset: 0;  }
    to   { stroke-dashoffset: -6; }
}
.pdiag-march { animation: pdiag-march 0.6s linear infinite; }


@media (prefers-reduced-motion: reduce) {
    .pdiag-hold,
    .pdiag-ring,
    .pdiag-pdot,
    .pdiag-ion,
    .pdiag-n1,
    .pdiag-n2,
    .pdiag-n3,
    .pdiag-window,
    .pdiag-flowline,
    .pdiag-connector,
    .pdiag-emitter,
    .pdiag-reject,
    .pdiag-march {
        animation: none !important;
    }
}

/* Responsive platform diagram */

/* Mobile phase card styles — hidden by default, shown on small screens */
.platform-mobile-cards {
    display: none;
}

.platform-mobile-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(42, 56, 73, 0.9);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.platform-mobile-card__header {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid rgba(42, 56, 73, 0.7);
}

.platform-mobile-svg {
    width: 100%;
    height: auto;
    display: block;
    padding: 0.75rem 0.5rem 0.5rem;
}

.platform-mobile-card__desc {
    font-size: 0.8125rem;
    line-height: 1.55;
    color: #D9D2C4;
    font-weight: 300;
    padding: 0.75rem 1rem 1rem;
    border-top: 1px solid rgba(42, 56, 73, 0.5);
}

.platform-mobile-card__desc em {
    font-style: italic;
    color: #F5F1EA;
}

/* ≤ 700px: switch to stacked mobile cards, hide wide SVG */
@media (max-width: 700px) {

    .platform-phase-labels,
    .platform-svg {
        display: none;
    }

    .platform-caption-grid {
        display: none;
    }

    .platform-mobile-cards {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .platform-diagram-frame {
        padding: 1.25rem 0.875rem 1rem;
    }
}

/* 701–900px tablet: show wide SVG, stack phase labels */
@media (min-width: 701px) and (max-width: 900px) {
    .platform-phase-labels {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .platform-phase-label--steered,
    .platform-phase-label--sustained {
        border-left: none;
        padding-left: 0.5rem;
        border-top: 1px solid rgba(42, 56, 73, 0.8);
        padding-top: 0.75rem;
    }

    .platform-caption-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}