/* ==========================================================================
   About Page — Documentary-style enterprise experience
   ========================================================================== */

.about-experience {
    --abt-navy: var(--ds-navy);
    --abt-accent: var(--ds-accent);
    --abt-light: #F8FAFC;
    --abt-body: clamp(1.0625rem, 0.5vw + 1rem, 1.375rem);
    --abt-title: clamp(2.75rem, 4vw + 1.5rem, 4.5rem);
    --abt-hero: clamp(3.5rem, 5.5vw + 1.5rem, 6rem);
    --abt-shell: min(1440px, 100% - clamp(2rem, 6vw, 5rem));
    --abt-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.page-about--experience .site-header:not(.is-scrolled) {
    --header-glass: rgba(8, 27, 57, 0.35);
}

/* Shared typography */
.abt-label {
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--abt-accent);
    margin: 0 0 1.25rem;
}

.abt-label--light { color: #FF6A00; }

.abt-section-title {
    font-family: var(--font-heading);
    font-size: var(--abt-title);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--abt-navy);
    margin: 0;
}

.abt-section-title--light { color: var(--white); }

[data-abt-animate] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--abt-ease), transform 0.85s var(--abt-ease);
}

[data-abt-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

.abt-btn .btn-premium__inner {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ---- S1 Hero ---- */
.abt-hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--abt-navy);
    color: var(--white);
    overflow: hidden;
    padding: calc(var(--header-h) + 4rem) 0 5rem;
}

.abt-hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.abt-hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 20% 30%, rgba(255, 106, 0, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 45% at 80% 70%, rgba(80, 140, 255, 0.08) 0%, transparent 55%);
}

.abt-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 72px 72px;
    animation: abt-grid-drift 100s linear infinite;
    mask-image: radial-gradient(ellipse 90% 75% at 50% 45%, black 10%, transparent 72%);
}

@keyframes abt-grid-drift {
    to { background-position: 72px 72px; }
}

.abt-hero__blueprint {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.abt-hero__particles span {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    animation: abt-particle 20s ease-in-out infinite;
}

.abt-hero__particles span:nth-child(1)  { top: 15%; left: 10%; animation-delay: 0s; }
.abt-hero__particles span:nth-child(2)  { top: 25%; left: 75%; animation-delay: -4s; opacity: 0.5; }
.abt-hero__particles span:nth-child(3)  { top: 60%; left: 20%; animation-delay: -8s; }
.abt-hero__particles span:nth-child(4)  { top: 70%; left: 85%; animation-delay: -2s; opacity: 0.35; }
.abt-hero__particles span:nth-child(5)  { top: 40%; left: 50%; animation-delay: -6s; }
.abt-hero__particles span:nth-child(6)  { top: 80%; left: 40%; animation-delay: -10s; opacity: 0.45; }
.abt-hero__particles span:nth-child(7)  { top: 10%; left: 55%; animation-delay: -12s; }
.abt-hero__particles span:nth-child(8)  { top: 50%; left: 8%;  animation-delay: -14s; opacity: 0.3; }
.abt-hero__particles span:nth-child(9)  { top: 35%; left: 92%; animation-delay: -16s; }
.abt-hero__particles span:nth-child(10) { top: 88%; left: 65%; animation-delay: -18s; opacity: 0.4; }

@keyframes abt-particle {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(14px, -24px); opacity: 0.7; }
}

.abt-hero__shell {
    position: relative;
    z-index: 1;
    width: var(--abt-shell);
    max-width: 920px;
    text-align: center;
}

.abt-hero__title {
    font-family: var(--font-heading);
    font-size: var(--abt-hero);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin: 0 0 1.75rem;
}

.abt-hero__lede {
    font-size: var(--abt-body);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.62);
    margin: 0 0 2.5rem;
}

.abt-hero__action { margin-top: 0.5rem; }

/* ---- S2 Who We Are ---- */
.abt-who {
    padding: var(--ds-section-py) 0;
    background: var(--abt-light);
}

.abt-who__shell {
    width: var(--abt-shell);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: start;
}

@media (min-width: 960px) {
    .abt-who__shell {
        grid-template-columns: 1fr 1fr;
        gap: clamp(4rem, 8vw, 8rem);
    }
}

.abt-who__headline {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 3.5vw + 1rem, 3.75rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--abt-navy);
    display: flex;
    flex-direction: column;
    gap: 0.15em;
    margin: 0;
}

.abt-who__headline span {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.7s var(--abt-ease), transform 0.7s var(--abt-ease);
}

.abt-who.is-visible .abt-who__headline span {
    opacity: 1;
    transform: translateX(0);
}

.abt-who__headline span:nth-child(1) { transition-delay: 0.05s; }
.abt-who__headline span:nth-child(2) { transition-delay: 0.12s; }
.abt-who__headline span:nth-child(3) { transition-delay: 0.19s; }
.abt-who__headline span:nth-child(4) { transition-delay: 0.26s; }

.abt-who__story {
    font-size: var(--abt-body);
    line-height: 1.7;
    color: rgba(8, 27, 57, 0.72);
    margin: 0 0 1.75rem;
}

.abt-who__story--accent {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--abt-navy);
    margin: 2rem 0;
}

/* ---- S3 Why We Exist ---- */
.abt-exist {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    background: #081B3A;
    color: var(--white);
    overflow: visible;
    padding: calc(var(--header-h) + 2rem) 0 clamp(4rem, 7vh, 5.5rem);
    box-sizing: border-box;
}

.abt-exist__bg { position: absolute; inset: 0; pointer-events: none; }

.abt-exist__glow {
    position: absolute;
    top: 15%;
    right: 5%;
    width: 45%;
    height: 70%;
    background: radial-gradient(circle, rgba(255, 106, 0, 0.1) 0%, transparent 65%);
    filter: blur(60px);
}

.abt-exist__shell {
    position: relative;
    z-index: 1;
    width: var(--abt-shell);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: center;
    padding-bottom: clamp(0.5rem, 2vh, 1.5rem);
}

@media (min-width: 1080px) {
    .abt-exist__shell {
        grid-template-columns: 55fr 45fr;
        gap: clamp(3rem, 5vw, 5rem);
    }
}

.abt-exist__copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 580px;
}

.abt-exist__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 2.8vw + 0.75rem, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 1.25rem;
}

.abt-exist__lede {
    font-size: clamp(1rem, 0.35vw + 0.95rem, 1.125rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.58);
    max-width: 48ch;
    margin: 0 0 1.75rem;
}

.abt-exist__problem {
    width: 100%;
    max-width: 480px;
    padding: 1.375rem 1.5rem;
    border-radius: 18px;
    background: rgba(8, 27, 58, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.abt-exist__problem-label {
    display: inline-block;
    font-family: var(--font-nav);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #FF6A00;
    margin-bottom: 0.625rem;
}

.abt-exist__problem-title {
    font-family: var(--font-heading);
    font-size: clamp(1.0625rem, 1vw + 0.75rem, 1.25rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--white);
    margin: 0 0 0.5rem;
}

.abt-exist__problem-body {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.58);
    margin: 0;
}

.abt-exist__visual {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (min-width: 1080px) {
    .abt-exist__visual {
        justify-content: flex-end;
    }
}

.abt-exist__visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(480px, 90%);
    height: min(580px, 95%);
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(255, 106, 0, 0.22) 0%, transparent 68%);
    filter: blur(36px);
    pointer-events: none;
}

.abt-exist__frame {
    position: relative;
    width: min(660px, 100%);
    height: clamp(340px, 52vh, 580px);
    max-height: 580px;
    margin: 0;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 28px 80px rgba(0, 0, 0, 0.38),
        0 8px 24px rgba(0, 0, 0, 0.22);
}

.abt-exist__frame img,
.abt-exist__frame .photo-crop {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
}

.photo-crop--about-exist {
    object-position: center 25%;
}

.abt-exist__floats {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.abt-exist__float {
    position: absolute;
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    min-width: 148px;
    max-width: 190px;
    border-radius: 18px;
    background: rgba(8, 27, 58, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.28);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s var(--abt-ease), transform 0.6s var(--abt-ease);
}

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

.abt-exist__float--1 { top: 6%; left: 3%; animation: abt-exist-float-drift 5s ease-in-out infinite; }
.abt-exist__float--2 { top: 12%; right: 0; animation: abt-exist-float-drift 5.5s ease-in-out infinite -1.2s; }
.abt-exist__float--3 { bottom: 22%; left: 6%; animation: abt-exist-float-drift 6s ease-in-out infinite -2s; }
.abt-exist__float--4 { bottom: 12%; right: 4%; animation: abt-exist-float-drift 5.8s ease-in-out infinite -0.8s; }

@keyframes abt-exist-float-drift {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.abt-exist__float.is-visible.abt-exist__float--1,
.abt-exist__float.is-visible.abt-exist__float--2,
.abt-exist__float.is-visible.abt-exist__float--3,
.abt-exist__float.is-visible.abt-exist__float--4 {
    animation: abt-exist-float-drift 5s ease-in-out infinite;
}

.abt-exist__float-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(255, 106, 0, 0.14);
    color: #FF6A00;
}

.abt-exist__float-body {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.abt-exist__float-value {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    letter-spacing: -0.02em;
}

.abt-exist__float-text {
    font-size: 0.6875rem;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: 0.01em;
}

@media (max-width: 1079px) {
    .abt-exist {
        min-height: auto;
        padding: clamp(4rem, 8vh, 5rem) 0 clamp(3.5rem, 6vh, 4.5rem);
    }

    .abt-exist__frame {
        height: clamp(360px, 55vh, 520px);
    }

    .abt-exist__float {
        min-width: 130px;
        max-width: 160px;
        padding: 0.625rem 0.75rem;
    }

    .abt-exist__float--1 { top: 5%; left: 2%; }
    .abt-exist__float--2 { top: auto; bottom: 44%; right: 2%; }
    .abt-exist__float--3 { bottom: 14%; left: 4%; }
    .abt-exist__float--4 { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .abt-exist__float--1,
    .abt-exist__float--2,
    .abt-exist__float--3,
    .abt-exist__float--4 {
        animation: none;
    }
}

/* ---- S4 Mission ---- */
.abt-mission {
    padding: var(--ds-section-py) 0;
    background: var(--white);
    text-align: center;
}

.abt-mission__shell {
    width: var(--abt-shell);
    margin: 0 auto;
    max-width: 900px;
}

.abt-mission__statement {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4.5vw + 1rem, 4.25rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--abt-navy);
    margin: 0 0 3rem;
}

.abt-mission__statement .abt-mission__word {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s var(--abt-ease), transform 0.5s var(--abt-ease);
}

.abt-mission__statement.is-revealed .abt-mission__word {
    opacity: 1;
    transform: translateY(0);
}

.abt-mission__keywords {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1rem;
    min-height: 3rem;
}

.abt-mission__keyword {
    padding: 0.625rem 1.25rem;
    font-family: var(--font-nav);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(8, 27, 57, 0.45);
    border: 1px solid rgba(8, 27, 57, 0.1);
    border-radius: 999px;
    transition: all 0.45s var(--abt-ease);
}

.abt-mission__keyword.is-active {
    color: var(--white);
    background: linear-gradient(145deg, #ff9548, var(--abt-accent));
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(255, 106, 0, 0.3);
    transform: scale(1.05);
}

/* ---- S5 Vision ---- */
.abt-vision {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--abt-navy);
    overflow: hidden;
    padding: 5rem 0;
}

.abt-vision__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.abt-vision__network {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.abt-vision__node {
    animation: abt-network-pulse 3s ease-in-out infinite;
}

.abt-vision__node:nth-child(odd) { animation-delay: -1.5s; }

@keyframes abt-network-pulse {
    0%, 100% { opacity: 0.6; r: 4; }
    50% { opacity: 1; }
}

.abt-vision__overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 70% at 50% 50%, transparent 20%, rgba(8, 27, 57, 0.85) 75%);
}

.abt-vision__shell {
    position: relative;
    z-index: 1;
    width: var(--abt-shell);
    text-align: center;
    transform: scale(0.92);
    opacity: 0;
    transition: transform 1.2s var(--abt-ease), opacity 1.2s var(--abt-ease);
}

.abt-vision__shell.is-zoomed {
    transform: scale(1);
    opacity: 1;
}

.abt-vision__title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw + 1rem, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--white);
    margin: 0;
}

/* ---- S6 Values Wheel ---- */
.abt-values {
    padding: var(--ds-section-py) 0;
    background: var(--abt-light);
}

.abt-values__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-values__header {
    text-align: center;
    margin-bottom: clamp(3rem, 6vh, 5rem);
}

.abt-values__wheel {
    position: relative;
    width: min(560px, 92vw);
    aspect-ratio: 1;
    margin: 0 auto;
}

.abt-values__orbit {
    position: absolute;
    inset: 8%;
    border: 1px dashed rgba(8, 27, 57, 0.12);
    border-radius: 50%;
    animation: abt-orbit-spin 120s linear infinite;
}

@keyframes abt-orbit-spin {
    to { transform: rotate(360deg); }
}

.abt-values__center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 42%;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(8, 27, 57, 0.08);
    box-shadow: 0 12px 48px rgba(8, 27, 57, 0.08);
    backdrop-filter: blur(12px);
    transition: box-shadow 0.4s ease;
}

.abt-values__wheel:has(.abt-values__node:hover) .abt-values__center,
.abt-values__wheel:has(.abt-values__node:focus-visible) .abt-values__center {
    box-shadow: 0 16px 56px rgba(255, 106, 0, 0.15);
}

.abt-values__center-label {
    font-family: var(--font-heading);
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 700;
    color: var(--abt-navy);
    transition: color 0.3s ease;
}

.abt-values__center-desc {
    font-size: 0.875rem;
    line-height: 1.5;
    color: rgba(8, 27, 57, 0.55);
    margin: 0.5rem 0 0;
    transition: opacity 0.3s ease;
}

.abt-values__node {
    position: absolute;
    left: var(--abt-x);
    top: var(--abt-y);
    transform: translate(-50%, -50%);
    padding: 0.625rem 1rem;
    font-family: var(--font-nav);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--abt-navy);
    background: var(--white);
    border: 1px solid rgba(8, 27, 57, 0.1);
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.4s var(--abt-ease), box-shadow 0.4s ease, border-color 0.4s ease, color 0.4s ease;
    white-space: nowrap;
}

.abt-values__node:hover,
.abt-values__node:focus-visible {
    transform: translate(-50%, -50%) scale(1.08);
    border-color: rgba(255, 106, 0, 0.4);
    box-shadow: 0 6px 24px rgba(255, 106, 0, 0.2);
    color: var(--abt-accent);
    outline: none;
}

/* ---- S7 Different ---- */
.abt-diff {
    padding: var(--ds-section-py) 0;
    background: linear-gradient(165deg, #061327 0%, var(--abt-navy) 100%);
    color: var(--white);
}

.abt-diff__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-diff__header {
    text-align: center;
    margin-bottom: clamp(3rem, 6vh, 5rem);
}

.abt-diff__lane-header {
    display: none;
}

.abt-diff__lanes {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 880px;
    margin: 0 auto;
}

.abt-diff__lane {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.65s var(--abt-ease), transform 0.65s var(--abt-ease);
}

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

.abt-diff__from,
.abt-diff__to {
    padding: 1.25rem 1.5rem;
    border-radius: 14px;
    transition: all 0.6s var(--abt-ease);
}

.abt-diff__from {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: right;
}

.abt-diff__to {
    background: rgba(255, 106, 0, 0.08);
    border: 1px solid rgba(255, 106, 0, 0.25);
    text-align: left;
}

.abt-diff__lane.is-transformed .abt-diff__from {
    opacity: 0.35;
    transform: translateX(-8px) scale(0.96);
}

.abt-diff__lane.is-transformed .abt-diff__to {
    box-shadow: 0 8px 32px rgba(255, 106, 0, 0.2);
    transform: translateX(4px);
}

.abt-diff__from-text,
.abt-diff__to-text {
    font-family: var(--font-heading);
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

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

.abt-diff__transform {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.abt-diff__transform-line {
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, transparent, var(--abt-accent));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s var(--abt-ease);
}

.abt-diff__lane.is-visible .abt-diff__transform-line { transform: scaleY(1); }

.abt-diff__transform-arrow {
    font-size: 1.25rem;
    color: var(--abt-accent);
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.4s ease 0.3s, transform 0.4s ease 0.3s;
}

.abt-diff__lane.is-visible .abt-diff__transform-arrow {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 640px) {
    .abt-diff__lane {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .abt-diff__from { text-align: center; }
    .abt-diff__to { text-align: center; }
    .abt-diff__transform { flex-direction: row; gap: 0.5rem; }
    .abt-diff__transform-line { width: 24px; height: 1px; transform: scaleX(0); transform-origin: left; }
    .abt-diff__lane.is-visible .abt-diff__transform-line { transform: scaleX(1); }
}

/* ---- S8 Engineering Principles ---- */
.abt-principles {
    padding: var(--ds-section-py) 0;
    background: var(--white);
    overflow: hidden;
}

.abt-principles__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-principles__header {
    margin-bottom: clamp(3rem, 6vh, 4.5rem);
}

.abt-principles__track {
    position: relative;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.abt-principles__track::-webkit-scrollbar { display: none; }

.abt-principles__line {
    position: absolute;
    top: 2.75rem;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--abt-accent), rgba(255, 106, 0, 0.3));
    transition: width 0.8s var(--abt-ease);
    pointer-events: none;
}

.abt-principles__step {
    flex: 0 0 clamp(200px, 22vw, 280px);
    scroll-snap-align: start;
    padding-right: 1.5rem;
    transition: flex-basis 0.6s var(--abt-ease);
}

.abt-principles__step.is-active {
    flex-basis: clamp(280px, 32vw, 380px);
}

.abt-principles__trigger {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
    padding: 0;
    text-align: left;
    cursor: pointer;
    color: inherit;
}

.abt-principles__num {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: rgba(8, 27, 57, 0.35);
    transition: color 0.3s ease;
}

.abt-principles__step.is-active .abt-principles__num { color: var(--abt-accent); }

.abt-principles__name {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--abt-navy);
}

.abt-principles__panel {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.6s var(--abt-ease), opacity 0.5s ease, margin 0.5s ease;
}

.abt-principles__step.is-active .abt-principles__panel {
    max-height: 120px;
    opacity: 1;
    margin-top: 1rem;
}

.abt-principles__desc {
    font-size: 1rem;
    line-height: 1.65;
    color: rgba(8, 27, 57, 0.62);
    margin: 0;
}

/* ---- S9 Quote ---- */
.abt-quote {
    padding: var(--ds-section-py) 0;
    background: var(--abt-light);
}

.abt-quote__shell {
    width: var(--abt-shell);
    margin: 0 auto;
    max-width: 900px;
}

.abt-quote__block {
    margin: 0;
    text-align: center;
}

.abt-quote__text {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw + 1rem, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--abt-navy);
    margin: 0 0 2.5rem;
    position: relative;
}

.abt-quote__mark {
    display: block;
    font-size: 4rem;
    line-height: 0.5;
    color: var(--abt-accent);
    opacity: 0.4;
    margin-bottom: 0.5rem;
}

.abt-quote__cite {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.abt-quote__role {
    font-family: var(--font-nav);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--abt-accent);
}

.abt-quote__name {
    font-size: 1rem;
    color: rgba(8, 27, 57, 0.55);
}

/* ---- S10 Global ---- */
.abt-global {
    padding: var(--ds-section-py) 0;
    background: #081B3A;
    color: var(--white);
}

.abt-global__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-global__header {
    text-align: center;
    margin-bottom: clamp(2rem, 4vh, 3rem);
}

.abt-global__stage {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 3vh, 2rem);
}

.abt-global__map {
    width: 100%;
    height: auto;
    max-height: 320px;
    opacity: 1;
}

.abt-global__dot-label {
    fill: rgba(255, 255, 255, 0.72);
    font-family: var(--font-nav);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.abt-global__dot {
    animation: abt-map-pulse 2.5s ease-in-out infinite;
}

.abt-global__dot-group:nth-child(even) .abt-global__dot { animation-delay: -1.2s; }

@keyframes abt-map-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.abt-global__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    width: 100%;
}

@media (min-width: 768px) {
    .abt-global__stats { grid-template-columns: repeat(4, 1fr); }
}

.abt-global__stat {
    text-align: center;
    padding: 1.25rem 1rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.abt-global__stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 0.35rem;
}

.abt-global__stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.02em;
}

/* ---- S12 Capabilities ---- */
.abt-capabilities {
    padding: var(--ds-section-py) 0;
    background: var(--abt-light);
}

.abt-capabilities__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-capabilities__header {
    text-align: center;
    margin-bottom: clamp(3rem, 6vh, 4rem);
}

.abt-capabilities__viz {
    position: relative;
    width: min(520px, 92vw);
    aspect-ratio: 1;
    margin: 0 auto;
}

.abt-capabilities__ring {
    position: absolute;
    inset: 5%;
    border: 1px solid rgba(8, 27, 57, 0.08);
    border-radius: 50%;
    animation: abt-cap-orbit 80s linear infinite;
}

@keyframes abt-cap-orbit {
    to { transform: rotate(360deg); }
}

.abt-capabilities__hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 38%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--abt-navy), #0a2248);
    color: var(--white);
    box-shadow: 0 12px 40px rgba(8, 27, 57, 0.2);
    z-index: 2;
}

.abt-capabilities__hub-label {
    font-family: var(--font-heading);
    font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.01em;
}

.abt-capabilities__node {
    position: absolute;
    left: var(--abt-cap-x);
    top: var(--abt-cap-y);
    transform: translate(-50%, -50%);
    padding: 0.5rem 0.875rem;
    font-family: var(--font-nav);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--abt-navy);
    background: var(--white);
    border: 1px solid rgba(8, 27, 57, 0.1);
    border-radius: 999px;
    white-space: nowrap;
    opacity: 0;
    animation: abt-cap-float 4s ease-in-out infinite;
    animation-delay: calc(var(--abt-cap-i, 0) * -0.4s);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.abt-capabilities__node:nth-child(3) { --abt-cap-i: 1; }
.abt-capabilities__node:nth-child(4) { --abt-cap-i: 2; }
.abt-capabilities__node:nth-child(5) { --abt-cap-i: 3; }
.abt-capabilities__node:nth-child(6) { --abt-cap-i: 4; }
.abt-capabilities__node:nth-child(7) { --abt-cap-i: 5; }
.abt-capabilities__node:nth-child(8) { --abt-cap-i: 6; }
.abt-capabilities__node:nth-child(9) { --abt-cap-i: 7; }
.abt-capabilities__node:nth-child(10) { --abt-cap-i: 8; }
.abt-capabilities__node:nth-child(11) { --abt-cap-i: 9; }

.abt-capabilities__node:hover {
    transform: translate(-50%, -50%) scale(1.08);
    box-shadow: 0 6px 20px rgba(255, 106, 0, 0.2);
    z-index: 3;
}

@keyframes abt-cap-float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-4px); }
}

/* ---- S13 Metrics ---- */
.abt-metrics {
    padding: var(--ds-section-py) 0;
    background: linear-gradient(180deg, var(--abt-navy) 0%, #061327 100%);
    color: var(--white);
}

.abt-metrics__shell {
    width: var(--abt-shell);
    margin: 0 auto;
}

.abt-metrics__header {
    text-align: center;
    margin-bottom: clamp(3rem, 6vh, 4.5rem);
}

.abt-metrics__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .abt-metrics__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1100px) {
    .abt-metrics__grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.abt-metrics__card {
    padding: clamp(1.75rem, 3vw, 2.25rem) 1.25rem;
    text-align: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    opacity: 0;
    transform: translateY(24px) scale(0.96);
    transition: opacity 0.65s var(--abt-ease), transform 0.65s var(--abt-ease), border-color 0.4s ease;
}

.abt-metrics__card.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.abt-metrics__card:hover {
    border-color: rgba(255, 106, 0, 0.3);
}

.abt-metrics__value {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.abt-metrics__label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.02em;
}

/* Section cinematic handoff */
[data-about-section] {
    position: relative;
}

[data-about-section]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(200px, 40%);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 106, 0, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.8s ease;
}

[data-about-section].is-inview::before {
    opacity: 1;
}

.abt-hero::before { display: none; }

/* Photo layouts */
.abt-hero__shell--split,
.abt-mission__shell--split,
.abt-vision__shell--split {
    max-width: var(--abt-shell);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
    text-align: left;
}

.abt-hero__visual,
.abt-mission__visual,
.abt-vision__visual,
.abt-values__visual {
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.abt-mission__visual { aspect-ratio: 4 / 3; }

.abt-hero__visual img, .abt-mission__visual img, .abt-vision__visual img,
.abt-values__visual img,
.abt-hero__visual picture, .abt-mission__visual picture, .abt-vision__visual picture,
.abt-values__visual picture,
.abt-hero__visual .photo-crop, .abt-mission__visual .photo-crop,
.abt-vision__visual .photo-crop, .abt-values__visual .photo-crop {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.abt-values__layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(2rem, 4vw, 3rem);
    align-items: center;
}

@media (max-width: 960px) {
    .abt-hero__shell--split,
    .abt-mission__shell--split,
    .abt-vision__shell--split,
    .abt-values__layout {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .abt-hero__visual, .abt-mission__visual, .abt-vision__visual { order: -1; }
}

@media (prefers-reduced-motion: reduce) {
    .abt-hero__grid,
    .abt-hero__particles span,
    .abt-values__orbit,
    .abt-capabilities__ring,
    .abt-capabilities__node,
    .abt-vision__node,
    .abt-global__dot {
        animation: none;
    }

    [data-abt-animate],
    .abt-exist__float,
    .abt-diff__lane,
    .abt-metrics__card,
    .abt-vision__shell,
    .abt-who__headline span,
    .abt-capabilities__node {
        opacity: 1;
        transform: none;
        transition: none;
    }
}