:root {
    --navy: #062B50;
    --navy-deep: #041E38;
    --navy-soft: #0B3A66;
    --crystal: #8FD9E4;
    --crystal-deep: #5EC4D4;
    --crystal-soft: #D7F3F7;
    --green: #59A83F;
    --green-deep: #3F7D2E;
    --bg: #F7FBFC;
    --bg-elevated: rgba(255, 255, 255, 0.72);
    --text: #111111;
    --text-muted: #111111;
    --text-soft: #111111;
    --line: rgba(6, 43, 80, 0.08);
    --glass-stroke: rgba(255, 255, 255, 0.72);
    --glass-fill: rgba(255, 255, 255, 0.58);
    --radius: 24px;
    --radius-sm: 16px;
    --radius-pill: 999px;
    --blur: 22px;
    --shadow-1: 0 1px 2px rgba(6, 43, 80, 0.04), 0 10px 28px rgba(6, 43, 80, 0.05);
    --shadow-2: 0 2px 6px rgba(6, 43, 80, 0.04), 0 18px 48px rgba(6, 43, 80, 0.08);
    --shadow-nav: 0 8px 32px rgba(6, 43, 80, 0.08);
    --max: 1180px;
    --font-serif: "Montserrat", sans-serif;
    --font-sans: "Montserrat", sans-serif;
}

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

html {
    scroll-behavior: smooth;
    background: var(--bg);
    scrollbar-width: thin;
    scrollbar-color: rgba(89, 168, 63, 0.42) rgba(247, 251, 252, 0.28);
}

/* Slim crystal-glass scrollbar: icy track + translucent green thumb */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(89, 168, 63, 0.42) rgba(247, 251, 252, 0.28);
}

::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.28) 0%,
        rgba(247, 251, 252, 0.12) 100%
    );
    border-left: 1px solid rgba(255, 255, 255, 0.32);
}

::-webkit-scrollbar-thumb {
    background:
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.55) 0%,
            rgba(143, 217, 228, 0.28) 28%,
            rgba(89, 168, 63, 0.48) 62%,
            rgba(63, 125, 46, 0.32) 100%
        ),
        linear-gradient(
            180deg,
            rgba(143, 217, 228, 0.42) 0%,
            rgba(89, 168, 63, 0.4) 45%,
            rgba(89, 168, 63, 0.34) 100%
        );
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.42);
    background-clip: padding-box;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.55),
        inset 0 0 6px rgba(143, 217, 228, 0.28),
        0 0 8px rgba(89, 168, 63, 0.16);
}

::-webkit-scrollbar-thumb:hover {
    background:
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.72) 0%,
            rgba(215, 243, 247, 0.42) 26%,
            rgba(89, 168, 63, 0.62) 60%,
            rgba(63, 125, 46, 0.4) 100%
        ),
        linear-gradient(
            180deg,
            rgba(143, 217, 228, 0.55) 0%,
            rgba(89, 168, 63, 0.55) 50%,
            rgba(94, 196, 212, 0.38) 100%
        );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        inset 0 0 8px rgba(215, 243, 247, 0.4),
        0 0 12px rgba(89, 168, 63, 0.32);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}

body.cets-body {
    position: relative;
    font-family: var(--font-sans);
    background: transparent;
    color: var(--text);
    line-height: 1.62;
    letter-spacing: -0.011em;
    font-weight: 400;
    overflow-x: hidden;
    min-height: 100vh;
}

body.cets-body a:not(.btn):not(.cets-nav-cta) {
    color: inherit;
}

body.cets-body a.btn-navy,
body.cets-body a.cets-nav-cta {
    color: #fff;
}

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

button,
input {
    font: inherit;
}

.cets-atmosphere {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(980px 560px at 88% 6%, rgba(143, 217, 228, 0.38), transparent 58%),
        radial-gradient(820px 520px at 8% 0%, rgba(255, 255, 255, 0.55), transparent 52%),
        radial-gradient(720px 480px at 70% 80%, rgba(143, 217, 228, 0.16), transparent 60%),
        linear-gradient(180deg, #EAF7FA 0%, #F4FBFD 42%, #E8F4F8 100%);
}

.cets-hero-sky {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: min(1180px, 128vh);
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
    mask-image: linear-gradient(180deg, #000 0 58%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 0 58%, transparent 100%);
}

.cets-hero-sky::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../images/hero-cambridge.jpg") 70% 45% / cover no-repeat;
}

.cets-hero-sky::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(234, 247, 250, 0.08) 0%, rgba(234, 247, 250, 0.2) 55%, rgba(232, 244, 248, 0.72) 82%, #E8F4F8 100%),
        linear-gradient(90deg, rgba(247, 251, 252, 0.42) 0%, rgba(247, 251, 252, 0.1) 28%, transparent 48%);
}

body.cets-tree-page .cets-atmosphere {
    background:
        radial-gradient(720px 480px at 50% 42%, rgba(143, 217, 228, 0.16), transparent 62%),
        radial-gradient(560px 360px at 50% 58%, rgba(127, 207, 136, 0.08), transparent 58%),
        linear-gradient(180deg, #F3F8F6 0%, #F4F9F7 52%, #F3F8F6 100%);
}

body.cets-tree-page .cets-hero-sky {
    display: none;
}

.cets-photo-wash {
    position: absolute;
    left: 0;
    width: 100%;
    height: min(1120px, 118vh);
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    mask-image: linear-gradient(180deg, transparent 0%, #000 10%, #000 82%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 10%, #000 82%, transparent 100%);
}

.cets-photo-wash::before {
    content: "";
    position: absolute;
    inset: -8%;
    background-size: cover;
    background-repeat: no-repeat;
    transform: scale(1.28);
    transform-origin: center;
    opacity: 0.34;
    filter: blur(2.4px) saturate(0.7) contrast(0.98) brightness(1.06);
}

.cets-photo-wash::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(89, 168, 63, 0.055), rgba(89, 168, 63, 0.02) 42%, transparent 78%),
        radial-gradient(ellipse at 50% 48%, rgba(143, 217, 228, 0.08), transparent 70%),
        linear-gradient(180deg, rgba(247, 251, 252, 0.18) 0%, rgba(234, 247, 250, 0.06) 28%, rgba(234, 247, 250, 0.05) 68%, rgba(247, 251, 252, 0.22) 100%),
        linear-gradient(90deg, rgba(247, 251, 252, 0.12) 0%, transparent 42%, rgba(232, 244, 248, 0.1) 100%);
}

.cets-photo-wash-home-1::before {
    background-image: url("../images/bg-talk-1.jpg");
    background-position: 48% 36%;
    opacity: 0.34;
}

.cets-photo-wash-home-2::before {
    background-image: url("../images/bg-talk-2.jpg");
    background-position: 58% 28%;
    opacity: 0.32;
    filter: blur(2.4px) saturate(0.66) contrast(0.98) brightness(1.06);
}

.cets-photo-wash-home-3::before {
    background-image: url("../images/bg-talk-3.jpg");
    background-position: 50% 58%;
    opacity: 0.33;
}

.cets-photo-wash-events {
    position: fixed;
    top: 8vh;
    height: 86vh;
    mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 84%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 84%, transparent 100%);
}

.cets-photo-wash-events::before {
    background-image: url("../images/bg-talk-2.jpg");
    background-position: 50% 26%;
    opacity: 0.3;
    filter: blur(2.4px) saturate(0.66) contrast(0.98) brightness(1.06);
}

.cets-photo-wash-tree {
    position: fixed;
    top: 28vh;
    height: 72vh;
    z-index: 1;
    mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 82%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 82%, transparent 100%);
}

.cets-photo-wash-tree::before {
    background-image: url("../images/bg-talk-3.jpg");
    background-position: 50% 48%;
    opacity: 0.3;
    filter: blur(2.4px) saturate(0.66) contrast(0.98) brightness(1.06);
}

.wrap {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.section {
    position: relative;
    z-index: 1;
    padding: 72px 0;
    scroll-margin-top: 96px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-soft);
    margin-bottom: 14px;
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 1px;
    background: var(--crystal-deep);
}

.display {
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 1.12;
    color: #111111;
}

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

.lede {
    color: var(--navy);
    font-size: 1.02rem;
    max-width: 40rem;
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: 1.6;
}

.frost-copy {
    position: relative;
    z-index: 1;
}

.frost-copy::before {
    content: "";
    position: absolute;
    inset: -14px -22px -14px -18px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.72) 58%, rgba(255, 255, 255, 0.28) 100%);
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 22px;
    z-index: -1;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 36px;
}

.section-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.85rem, 3.1vw, 2.7rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    color: #111111;
    white-space: nowrap;
}

.link-more:hover {
    color: var(--green-deep);
}

.glass {
    background: var(--glass-fill);
    border: 1px solid var(--glass-stroke);
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
}

/* Navigation */
main {
    position: relative;
    z-index: 2;
}

.cets-nav-wrap {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px 0 4px;
}

.cets-nav {
    width: min(1240px, calc(100% - 28px));
    margin: 0 auto;
    min-height: 68px;
    padding: 10px 12px 10px 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.62);
    box-shadow: 0 8px 28px rgba(6, 43, 80, 0.04);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: box-shadow 0.28s ease, background 0.28s ease, border-color 0.28s ease;
}

.cets-nav:hover {
    background: rgba(255, 255, 255, 0.62);
    border-color: rgba(255, 255, 255, 0.88);
    box-shadow:
        0 0 0 1px rgba(143, 217, 228, 0.28),
        0 0 28px rgba(143, 217, 228, 0.32),
        0 10px 36px rgba(6, 43, 80, 0.06);
}

.cets-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.cets-brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 0 3px rgba(143, 217, 228, 0.35);
}

.cets-brand-name {
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: #111111;
}

.cets-brand-name em {
    font-style: normal;
    color: var(--green);
    display: block;
}

.cets-nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
}

.cets-nav-links a {
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 8px 11px;
    border-radius: var(--radius-pill);
    position: relative;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.cets-nav-links a:hover,
.cets-nav-links a.is-active {
    color: var(--navy);
    background: rgba(255, 255, 255, 0.42);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.55),
        0 0 18px rgba(143, 217, 228, 0.45),
        0 0 32px rgba(255, 255, 255, 0.28);
}

.cets-nav-links a.is-active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 2px;
    border-radius: 99px;
    background: var(--green);
}

.cets-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #3B88B0;
    color: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 11px 18px;
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 20px rgba(43, 120, 160, 0.18);
    flex-shrink: 0;
}

.cets-nav-cta:hover {
    background: #4A97BE;
    box-shadow:
        0 0 0 1px rgba(143, 217, 228, 0.35),
        0 0 22px rgba(143, 217, 228, 0.4),
        0 8px 20px rgba(43, 120, 160, 0.18);
}

.cets-nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(6, 43, 80, 0.1);
    background: #fff;
    border-radius: 50%;
    margin-left: auto;
    cursor: pointer;
    position: relative;
}

.cets-nav-toggle span,
.cets-nav-toggle span::before,
.cets-nav-toggle span::after {
    display: block;
    width: 16px;
    height: 1.5px;
    background: var(--navy);
    border-radius: 99px;
    position: absolute;
    left: 13px;
}

.cets-nav-toggle span {
    top: 20px;
}

.cets-nav-toggle span::before,
.cets-nav-toggle span::after {
    content: "";
}

.cets-nav-toggle span::before {
    top: -5px;
}

.cets-nav-toggle span::after {
    top: 5px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 20px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-navy {
    background: #3B88B0;
    color: #fff;
    box-shadow: 0 10px 24px rgba(43, 120, 160, 0.18);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.9);
    color: var(--navy);
    box-shadow: var(--shadow-1);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Hero */
.hero {
    position: relative;
    padding: 18px 0 8px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.hero-copy::before {
    content: "";
    position: absolute;
    inset: -16px -28px -10px -20px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.24) 0%, rgba(255, 255, 255, 0.1) 55%, rgba(255, 255, 255, 0) 100%);
    border: 0;
    border-radius: 28px;
    z-index: -1;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.hero-copy h1 {
    font-size: clamp(2.15rem, 4vw, 3.45rem);
    max-width: 12ch;
    color: #111111;
}

.hero-copy .eyebrow {
    color: #111111;
}

.hero-copy .lede {
    margin: 14px 0 18px;
    font-size: 1.02rem;
    color: #111111;
    font-weight: 500;
}

.hero-aside {
    position: relative;
    min-height: 340px;
    display: grid;
    place-items: center;
}

.orb {
    width: min(318px, 60vw);
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.55) 0 12%, rgba(255, 255, 255, 0.12) 28%, rgba(255, 255, 255, 0.04) 58%, rgba(143, 217, 228, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow:
        0 18px 48px rgba(6, 43, 80, 0.06),
        inset 0 0 0 1px rgba(255, 255, 255, 0.35),
        inset 10px 14px 28px rgba(255, 255, 255, 0.28),
        inset -16px -22px 36px rgba(94, 196, 212, 0.16),
        inset -8px -10px 22px rgba(180, 120, 255, 0.08);
    backdrop-filter: blur(10px) saturate(1.35);
    -webkit-backdrop-filter: blur(10px) saturate(1.35);
    display: grid;
    place-items: center;
    position: relative;
    z-index: 2;
    isolation: isolate;
}

.orb-plate {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background:
        conic-gradient(from 210deg, rgba(143, 217, 228, 0.55), rgba(255, 255, 255, 0.05) 18%, rgba(167, 139, 250, 0.35) 38%, rgba(255, 255, 255, 0.08) 55%, rgba(89, 168, 63, 0.28) 72%, rgba(94, 196, 212, 0.4) 88%, rgba(143, 217, 228, 0.55));
    -webkit-mask: radial-gradient(circle, transparent 62%, #000 68%, #000 76%, transparent 80%);
    mask: radial-gradient(circle, transparent 62%, #000 68%, #000 76%, transparent 80%);
    opacity: 0.85;
    pointer-events: none;
}

.orb-logo {
    width: 84%;
    height: 84%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    background: #e8f1f6;
    filter: none;
    position: relative;
    z-index: 1;
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, 0.55),
        0 10px 28px rgba(6, 43, 80, 0.14);
}

.orb-spec {
    position: absolute;
    width: 38%;
    height: 18%;
    top: 10%;
    left: 16%;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.35) 42%, transparent 72%);
    filter: blur(3px);
    pointer-events: none;
    z-index: 3;
}

.orb::before,
.orb::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.orb::before {
    inset: -28px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.12);
}

.orb::after {
    width: 14%;
    height: 9%;
    top: 22%;
    right: 18%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.7), transparent 70%);
    filter: blur(2px);
}

.bubble {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background:
        radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.18) 36%, rgba(143, 217, 228, 0.16) 100%);
    box-shadow:
        inset 0 1px 8px rgba(255, 255, 255, 0.85),
        inset -4px -6px 10px rgba(143, 217, 228, 0.18),
        0 8px 18px rgba(6, 43, 80, 0.06);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.bubble-a { width: 54px; height: 54px; top: 8%; right: 8%; }
.bubble-b { width: 28px; height: 28px; top: 22%; left: 8%; }
.bubble-c { width: 18px; height: 18px; bottom: 22%; right: 14%; }
.bubble-d { width: 36px; height: 36px; bottom: 12%; left: 16%; opacity: 0.8; }

.hero-note {
    display: none;
}

.hero-globe {
    position: absolute;
    inset: 4% 0 auto auto;
    width: 280px;
    opacity: 0.22;
    pointer-events: none;
}

/* Impact */
.impact {
    margin: 22px 0 8px;
}

.impact-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr) minmax(180px, 0.9fr);
    align-items: center;
    padding: 10px 8px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow: 0 8px 24px rgba(6, 43, 80, 0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.impact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 6px 10px;
}

.impact-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(143, 217, 228, 0.18);
    color: var(--navy);
    flex-shrink: 0;
}

.impact-item strong {
    display: block;
    font-size: 1.55rem;
    letter-spacing: -0.03em;
    line-height: 1;
}

.impact-item span {
    font-size: 0.86rem;
    color: var(--text-muted);
}

.impact-aside {
    padding: 0 28px;
    border-left: 1px solid var(--line);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-soft);
    line-height: 1.5;
}

/* Featured */
.featured-card {
    display: grid;
    grid-template-columns: 1.15fr 1fr 0.9fr;
    overflow: hidden;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-2);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    text-decoration: none;
    min-height: 340px;
}

.featured-visual,
.featured-photo {
    min-height: 340px;
    background: #061018 center/cover no-repeat;
}

.featured-visual {
    background-position: center top;
}

.featured-visual {
    display: grid;
    align-content: end;
    padding: 28px;
    color: #f4f7ea;
}

.featured-visual strong {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 5vw, 4.6rem);
    letter-spacing: -0.04em;
    line-height: 0.9;
    color: #e8f38a;
}

.featured-body {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-body .tag {
    margin-bottom: 14px;
}

.featured-body h3 {
    font-family: var(--font-serif);
    font-size: 2.1rem;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.featured-meta {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 14px;
}

.featured-body p {
    color: var(--text-muted);
    font-size: 0.98rem;
}

.featured-photo {
    display: block;
}

.featured-card a.featured-body,
.featured-card a.featured-visual {
    text-decoration: none;
    color: inherit;
}

.featured-card a.featured-3d {
    text-decoration: none;
    color: inherit;
}

.featured-3d {
    position: relative;
    min-height: 340px;
    background: #061018;
    overflow: hidden;
    display: block;
}

.featured-3d img {
    width: 100%;
    height: 100%;
    min-height: 340px;
    object-fit: cover;
    display: block;
}

.featured-3d-manifest {
    background: #000;
    display: grid;
    place-items: center;
}

.featured-3d-manifest img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: #000;
}

.featured-3d-bar {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 999px;
    background: #D7F3F7;
    color: #0B3A66;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(6, 43, 80, 0.12);
    transform: translateY(18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.featured-3d:hover .featured-3d-bar,
.featured-3d:focus-within .featured-3d-bar,
.featured-3d.show-bar .featured-3d-bar {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.library-link {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 16px;
    min-height: 52px;
    padding: 12px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: #0B3A66;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.015em;
}

.library-link:hover {
    background: #D7F3F7;
}

/* Project cards */
.tag {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 5px 10px;
    border-radius: var(--radius-pill);
    background: rgba(6, 43, 80, 0.05);
    border: 1px solid rgba(6, 43, 80, 0.08);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--navy);
}

.tag-green {
    background: rgba(89, 168, 63, 0.1);
    border-color: rgba(89, 168, 63, 0.16);
    color: var(--green-deep);
}

.tag-crystal {
    background: rgba(143, 217, 228, 0.22);
    border-color: rgba(94, 196, 212, 0.2);
}

.project-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.flagship-card,
.standard-card,
.compact-card {
    display: flex;
    background: rgba(255, 255, 255, 0.58);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.flagship-card:hover,
.standard-card:hover,
.compact-card:hover,
.featured-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2);
}

.flagship-card {
    flex-direction: column;
    min-height: 100%;
}

.flagship-media {
    position: relative;
    min-height: 280px;
    background: #041627 center/cover no-repeat;
    color: #fff;
}

.flagship-media.is-dim::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(4, 22, 39, 0.05), rgba(4, 22, 39, 0.45));
}

.flagship-media-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    min-height: 280px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.flagship-wordmark {
    font-family: var(--font-serif);
    font-size: clamp(2.6rem, 5vw, 4.4rem);
    letter-spacing: -0.04em;
    line-height: 0.9;
}

.flagship-wordmark span {
    color: var(--crystal);
}

.flagship-body {
    padding: 24px 26px 26px;
}

.flagship-body h3,
.standard-card h3,
.compact-card h3 {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    letter-spacing: -0.03em;
    margin: 8px 0 10px;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.flagship-body p,
.standard-card p,
.compact-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card-go {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    margin-left: auto;
    color: var(--navy);
}

.standard-card,
.compact-card {
    align-items: stretch;
}

.standard-card {
    flex-direction: column;
}

.standard-card .media,
.compact-card .media {
    min-height: 150px;
    background: #0b1f33 center/cover no-repeat;
}

.standard-card .body,
.compact-card .body {
    padding: 20px 22px 22px;
}

.stack {
    display: grid;
    gap: 16px;
}

.compact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.compact-card {
    flex-direction: column;
}

.compact-card h3 {
    font-size: 1.25rem;
}

/* Events page */
.page-hero {
    padding: 18px 0 8px;
}

.page-hero .eyebrow {
    margin-bottom: 8px;
}

.page-hero h1 {
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    white-space: nowrap;
    line-height: 1.15;
}

.page-hero-aside {
    display: none;
}

.page-events .cets-hero-sky {
    display: none;
}

.page-mark {
    position: absolute;
    top: 36px;
    right: -2%;
    width: min(560px, 46vw);
    height: 560px;
    z-index: 0;
    pointer-events: none;
}

.page-mark-home {
    top: auto;
    right: -4%;
    margin-top: 8px;
    opacity: 0.9;
}

.page-mark-globe {
    position: absolute;
    inset: 0;
    opacity: 0.55;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 22px 0 28px;
}

.filter-btn {
    border: 0;
    background: rgba(255, 255, 255, 0.32);
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: var(--text-muted);
    padding: 9px 16px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(6, 43, 80, 0.04);
    backdrop-filter: blur(12px);
}

.filter-btn.is-active,
.filter-btn:hover {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}

.bento {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    align-items: stretch;
    gap: 16px;
    margin-top: 28px;
}

.bento-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
}

.bento-side .standard-card,
.bento-side .compact-row {
    flex: 1 1 auto;
}

.bento-side .standard-card .media,
.bento-side .compact-card .media {
    flex: 1 1 auto;
}

.bento-side .standard-card .body,
.bento-side .compact-card .body {
    flex: 0 0 auto;
}

.bento-side .compact-card {
    height: 100%;
}

.hackathon-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
}

.hackathon-stack .flagship-card {
    flex: 1 1 auto;
    min-height: min-content;
    display: flex;
    flex-direction: column;
}

.hackathon-stack .flagship-media,
.hackathon-stack .flagship-media-inner {
    flex: 1 1 auto;
    min-height: 132px;
}

.hackathon-stack .flagship-body {
    flex: 0 0 auto;
    padding: 16px 20px 18px;
}

.events-more {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
}

[data-category].is-hidden {
    display: none;
}

/* Innovation module */
.idea-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: center;
}

.idea-copy h2 {
    font-size: clamp(2.4rem, 4.6vw, 4rem);
    margin-bottom: 18px;
}

.idea-kicker {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 22px;
    color: var(--text-soft);
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 600;
}

.idea-panel {
    position: relative;
    padding: 34px 28px 28px 32px;
    border-radius: 28px;
    min-height: 380px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 12px;
    align-items: center;
}

.idea-copy-card {
    position: relative;
    z-index: 1;
}

.idea-panel h3 {
    font-family: var(--font-serif);
    font-size: 1.7rem;
    letter-spacing: -0.03em;
    max-width: 14ch;
}

.idea-panel p {
    margin: 12px 0 22px;
    color: var(--text-muted);
    max-width: 28ch;
}

.tree-art {
    width: 100%;
    max-width: 380px;
    margin-left: auto;
    display: block;
}

.tree-art .branch {
    fill: none;
    stroke: url(#treeStroke);
    stroke-width: 3;
    stroke-linecap: round;
}

.tree-art .node {
    fill: #fff;
    stroke: #5EC4D4;
    stroke-width: 2.4;
    filter: drop-shadow(0 6px 12px rgba(94, 196, 212, 0.28));
}

.tree-art .leaf {
    font-size: 12px;
    fill: #111111;
    font-family: var(--font-sans);
}

/* Community */
.community-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.community-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.85rem, 3.1vw, 2.55rem);
    font-weight: 700;
    letter-spacing: -0.04em;
}

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

.channel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.channel-card {
    padding: 20px 18px 18px;
    border-radius: 22px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    min-height: 220px;
}

.channel-card img {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 14px;
    margin: 14px 0 16px;
    background: #fff;
}

.channel-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
}

.channel-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin: 4px 0 16px;
}

.channel-card span {
    margin-top: auto;
    font-size: 0.88rem;
    font-weight: 600;
}

/* Partners */
.partners-section {
    position: relative;
    overflow: hidden;
    padding: 88px 0 96px;
}

.partners-section .wrap {
    position: relative;
    z-index: 1;
}

.cets-photo-wash-collab {
    position: absolute;
    inset: 0;
    height: 100%;
    z-index: 0;
    mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}

.cets-photo-wash-collab::before {
    background-image: url("../images/bg-collab.jpg");
    background-position: 50% 62%;
    background-size: cover;
    transform: scale(1.12);
    opacity: 0.22;
    filter: blur(2.6px) saturate(0.64) contrast(0.96) brightness(1.1);
}

.partners-layout {
    display: grid;
    grid-template-columns: minmax(240px, 0.78fr) minmax(420px, 1.22fr);
    gap: 56px;
    align-items: center;
    scroll-margin-top: 96px;
}

.partners-copy .eyebrow {
    margin-bottom: 16px;
    white-space: nowrap;
}

.partners-copy h2 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 4.6vw, 3.9rem);
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 0.98;
    max-width: 8ch;
}

.partners-copy p {
    margin: 20px 0 28px;
    max-width: 32ch;
    color: var(--text-muted);
    font-size: 1.02rem;
    line-height: 1.65;
}

.partners-glass {
    padding: 10px;
    border-radius: 36px;
    background: rgba(255, 255, 255, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 16px 40px rgba(6, 43, 80, 0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.partners-shot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 28px;
}

.pdf-wrap {
    margin-top: 36px;
    scroll-margin-top: 96px;
}

.pdf-frame {
    padding: 22px 0 0;
    overflow: hidden;
    border-radius: 28px;
}

.pdf-frame-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 14px;
    padding: 0 22px;
}

.pdf-frame-head h3 {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    letter-spacing: -0.03em;
    margin: 6px 0 8px;
}

.pdf-frame-head p {
    color: var(--text-muted);
    max-width: none;
    font-size: 0.95rem;
}

.pdf-stage {
    position: relative;
    display: block;
    outline: none;
}

.pdf-stage:focus-visible .pdf-page {
    box-shadow: 0 0 0 3px rgba(143, 217, 228, 0.55);
}

.pdf-page {
    position: relative;
    width: 100%;
    min-height: 0;
    display: block;
    overflow: hidden;
    border-radius: 0;
    background: #fff;
    border: 0;
    box-shadow: none;
}

.pdf-canvas,
.pdf-slide {
    width: 100%;
    height: auto;
    display: block;
    background: #fff;
}

.pdf-slide {
    object-fit: contain;
}

.pdf-nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    width: 84px;
    height: 84px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.86);
    color: var(--navy);
    box-shadow: 0 14px 32px rgba(6, 43, 80, 0.16);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: grid;
    place-items: center;
    cursor: pointer;
    transform: translateY(-50%);
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.pdf-nav svg {
    width: 42px;
    height: 42px;
    stroke-width: 2.6;
}

.pdf-nav:hover:not(:disabled) {
    transform: translateY(-50%) scale(1.06);
    background: #fff;
}

.pdf-nav:disabled {
    opacity: 0.28;
    cursor: default;
}

.pdf-nav-prev {
    left: 14px;
}

.pdf-nav-next {
    right: 14px;
}

.pdf-indicator {
    position: absolute;
    left: 50%;
    bottom: 18px;
    z-index: 2;
    transform: translateX(-50%);
    pointer-events: none;
    min-width: 72px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 20px rgba(6, 43, 80, 0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: var(--navy);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: center;
}

.pdf-status,
.pdf-fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    margin: 0;
    padding: 28px 64px;
    color: var(--text-muted);
    text-align: center;
}

.pdf-canvas[hidden],
.pdf-slide[hidden],
.pdf-status[hidden],
.pdf-fallback[hidden] {
    display: none !important;
}

.pdf-status.is-error,
.pdf-fallback {
    background: rgba(247, 251, 252, 0.55);
}

@media (max-width: 820px) {
    .pdf-nav {
        top: auto;
        bottom: 10px;
        transform: none;
        width: 40px;
        height: 40px;
    }

    .pdf-nav svg {
        width: 22px;
        height: 22px;
    }

    .pdf-nav:hover:not(:disabled) {
        transform: scale(1.06);
    }

    .pdf-nav-prev {
        left: 8px;
    }

    .pdf-nav-next {
        right: 8px;
    }

    .pdf-indicator {
        bottom: 14px;
    }

    .pdf-status,
    .pdf-fallback {
        padding: 24px 56px;
    }
}

.logo-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
}

.logo-chip {
    height: 84px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    padding: 12px;
}

.logo-chip img {
    max-width: 78%;
    max-height: 42px;
    object-fit: contain;
    filter: grayscale(1) contrast(0.85);
    opacity: 0.72;
    transition: filter 0.25s ease, opacity 0.25s ease;
}

.logo-chip:hover img {
    filter: none;
    opacity: 1;
}

.logo-row + .logo-row {
    margin-top: 12px;
}

/* Footer */
.cets-footer {
    position: relative;
    z-index: 1;
    margin: 28px 0 20px;
    background: transparent;
    color: #111111;
    border: 0;
    scroll-margin-top: 96px;
}

.cets-footer-inner {
    width: min(1240px, calc(100% - 28px));
    margin: 0 auto;
    padding: 12px 18px;
    min-height: 68px;
    scroll-margin-top: 96px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.62);
    box-shadow: 0 8px 28px rgba(6, 43, 80, 0.04);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.cets-footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #111111;
    font-weight: 700;
    white-space: nowrap;
}

.cets-footer-brand img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
}

.cets-footer-links {
    display: flex;
    gap: 22px;
}

.cets-footer-links a {
    text-decoration: none;
    font-size: 0.92rem;
    color: #111111;
}

.cets-footer-links a:hover {
    color: #111111;
}

.cets-footer-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    min-width: 0;
    text-align: right;
}

.cets-footer small {
    color: #111111;
}

.cets-footer-email {
    display: inline-block;
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 500;
    color: #111111;
    letter-spacing: -0.012em;
    word-break: break-word;
}

.cets-footer-email:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Page extras */
.back-home {
    display: inline-flex;
    margin: 36px auto 0;
}

/* Responsive */
@media (max-width: 1080px) {
    .hero-grid,
    .idea-grid,
    .idea-panel,
    .bento,
    .project-grid,
    .featured-card,
    .impact-bar,
    .partners-layout {
        grid-template-columns: 1fr;
    }

    .pdf-frame-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .impact-aside {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding: 16px 12px 8px;
        text-align: center;
    }

    .featured-card .featured-photo,
    .hero-note,
    .hero-globe {
        display: none;
    }

    .featured-3d {
        min-height: 280px;
    }

    .featured-3d-bar {
        opacity: 1;
        transform: none;
        pointer-events: auto;
    }

    .bento .flagship-card {
        grid-row: auto;
    }

    .hackathon-stack .flagship-card,
    .bento-side .standard-card,
    .bento-side .compact-row {
        flex: none;
    }

    .cets-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cets-footer-brand {
        white-space: normal;
    }

    .cets-footer-links {
        flex-wrap: wrap;
        gap: 12px 18px;
    }

    .cets-footer-meta {
        align-items: flex-start;
        text-align: left;
    }

    .events-more,
    .channel-grid,
    .logo-row,
    .compact-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 820px) {
    .cets-nav {
        border-radius: 28px;
        flex-wrap: wrap;
        padding: 10px 12px;
    }

    .cets-nav-toggle {
        display: block;
    }

    .cets-nav-links,
    .cets-nav-cta {
        display: none;
    }

    .cets-nav.is-open .cets-nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        align-items: stretch;
        padding: 8px 6px 4px;
    }

    .cets-nav.is-open .cets-nav-cta {
        display: inline-flex;
        width: 100%;
        justify-content: center;
        margin: 0 6px 8px;
    }

    .section {
        padding-top: 36px;
        padding-bottom: 36px;
    }

    .page-hero h1 {
        white-space: normal;
    }

    .hero {
        padding: 12px 0 0;
    }

    .section-head,
    .community-head,
    .page-hero,
    .cets-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-hero-aside {
        text-align: left;
    }

    .partners-glass {
        padding: 28px 22px;
    }

    .cets-footer-links {
        flex-wrap: wrap;
        gap: 12px 18px;
    }

    .cets-footer-meta {
        align-items: flex-start;
        text-align: left;
    }

    .hero-aside {
        min-height: 280px;
    }

    .page-mark {
        display: none;
    }
}

@media (max-width: 640px) {
    .wrap {
        width: min(var(--max), calc(100% - 24px));
    }

    .events-more,
    .channel-grid,
    .logo-row,
    .compact-row,
    .impact-bar {
        grid-template-columns: 1fr;
    }

    .partners-glass {
        padding: 8px;
    }


    .impact-bar {
        border-radius: 28px;
        padding: 10px;
    }

    .flagship-body,
    .featured-body,
    .idea-panel {
        padding: 20px;
    }

    .orb {
        width: min(240px, 70vw);
    }

    .btn-row {
        width: 100%;
    }

    .btn {
        flex: 1 1 auto;
        min-width: 0;
        padding: 0 14px;
        font-size: 0.88rem;
    }
}