:root {
    /* derived from the logo: navy ink + royal blue + teal, on white */
    --navy-900: #0c1730;
    --navy-800: #152549;
    --navy-700: #1d3164;
    --blue: #2b5fc4;
    --teal: #159a8f;
    --teal-deep: #0f7d74;
    --teal-bright: #33d3c4;
    --ink: #14213f;
    --slate: #54637a;
    --slate-light: #8a98ad;
    --line: #e6ecf4;
    --bg: #ffffff;
    --bg-soft: #f4f7fc;
    --maxw: 1140px;
}

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

html {
    scroll-behavior: smooth
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
.display {
    font-family: 'Sora', system-ui, sans-serif;
    letter-spacing: -0.02em;
    line-height: 1.08
}

a {
    color: inherit;
    text-decoration: none
}

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px
}

.eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal-deep)
}

.eyebrow.on-dark {
    color: var(--teal-bright)
}

/* ---------- Nav (light header, so the logo stays visible) ---------- */
nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px
}

.brand .mark {
    width: 28px;
    height: 28px;
    flex: none
}

.brand .name {
    font-family: 'Sora';
    font-weight: 700;
    font-size: 21px;
    color: var(--navy-800);
    letter-spacing: -0.01em
}

.brand .sub {
    font-size: 11px;
    color: var(--slate);
    font-weight: 500;
    border-left: 1px solid var(--line);
    padding-left: 11px;
    margin-left: 1px
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px
}

.nav-links a {
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    transition: color .2s
}

.nav-links a:hover {
    color: var(--teal-deep)
}

.logo {
    height: 46px;
    width: auto;
    display: block
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    border-radius: 8px;
    padding: 11px 18px;
    transition: transform .15s, background .2s, box-shadow .2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--teal);
    color: #06231f
}

.btn-primary:hover {
    background: var(--teal-bright);
    transform: translateY(-1px)
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.28)
}

.btn-ghost:hover {
    border-color: #fff;
    transform: translateY(-1px)
}

.nav-cta {
    display: inline-flex
}

.nav-toggle {
    display: none
}

/* ---------- Hero ---------- */
.hero {
    background:
        radial-gradient(1100px 520px at 78% -8%, rgba(43, 95, 196, 0.32), transparent 60%),
        radial-gradient(900px 600px at 12% 110%, rgba(21, 154, 143, 0.20), transparent 55%),
        linear-gradient(160deg, #10204a 0%, #0c1730 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
    padding: 96px 24px 104px
}

.hero h1 {
    font-size: 54px;
    font-weight: 700;
    margin: 18px 0 22px
}

.hero h1 .accent {
    color: var(--teal-bright)
}

.hero p.lead {
    font-size: 18px;
    color: #c4cfde;
    max-width: 540px;
    margin-bottom: 32px
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap
}

.hero-tag {
    margin-top: 34px;
    font-family: 'Sora';
    font-weight: 600;
    font-size: 15px;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px
}

.hero-tag .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal-bright)
}

/* ascending signature graphic */
.ascend {
    position: relative;
    height: 340px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 14px
}

.ascend .bar {
    width: 70px;
    border-radius: 10px 10px 4px 4px;
    background: linear-gradient(180deg, rgba(47, 100, 212, 0.95), rgba(19, 41, 79, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.08)
}

.ascend .bar:nth-child(1) {
    height: 42%
}

.ascend .bar:nth-child(2) {
    height: 60%
}

.ascend .bar:nth-child(3) {
    height: 80%
}

.ascend .bar:nth-child(4) {
    height: 100%;
    background: linear-gradient(180deg, var(--teal-bright), var(--teal-deep))
}

.ascend .arrow {
    position: absolute;
    top: 8%;
    right: 3%;
    width: 80px;
    height: 80px;
    opacity: .9
}

/* ---------- Section scaffolding ---------- */
section {
    padding: 92px 0
}

.section-soft {
    background: var(--bg-soft)
}

.section-head {
    max-width: 680px;
    margin-bottom: 52px
}

.section-head h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 14px 0 16px;
    color: var(--ink)
}

.section-head p {
    font-size: 17px;
    color: var(--slate)
}

/* ---------- Ladder ---------- */
.ladder {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    align-items: end
}

.rung {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 24px 22px;
    box-shadow: 0 1px 2px rgba(11, 23, 38, 0.04);
    position: relative;
    transition: transform .2s, box-shadow .2s;
}

.rung:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(11, 23, 38, 0.10)
}

.rung:nth-child(1) {
    margin-bottom: 0
}

.rung:nth-child(2) {
    margin-bottom: 26px
}

.rung:nth-child(3) {
    margin-bottom: 52px
}

.rung:nth-child(4) {
    margin-bottom: 78px;
    border-color: rgba(22, 179, 166, 0.4);
    box-shadow: 0 14px 40px rgba(22, 179, 166, 0.14)
}

.rung .step {
    font-family: 'Sora';
    font-size: 13px;
    font-weight: 600;
    color: var(--teal-deep);
    margin-bottom: 14px
}

.rung h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px
}

.rung p {
    font-size: 14px;
    color: var(--slate)
}

.rung.apex .step {
    color: var(--teal-deep)
}

.ladder-caption {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
    font-size: 14px;
    color: var(--slate)
}

/* ---------- Model ---------- */
.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px
}

.phase {
    padding: 28px 26px;
    border-radius: 14px;
    background: var(--bg);
    border: 1px solid var(--line)
}

.phase .num {
    font-family: 'Sora';
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    background: var(--navy-800);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px
}

.phase h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 8px
}

.phase p {
    font-size: 15px;
    color: var(--slate)
}

.model-note {
    margin-top: 34px;
    font-family: 'Sora';
    font-size: 20px;
    font-weight: 600;
    color: var(--ink)
}

.model-note .hl {
    color: var(--teal-deep)
}

/* ---------- Why ---------- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 44px
}

.why-item {
    display: flex;
    gap: 16px
}

.why-item .ico {
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(22, 179, 166, 0.12);
    display: flex;
    align-items: center;
    justify-content: center
}

.why-item .ico svg {
    width: 21px;
    height: 21px;
    stroke: var(--teal-deep)
}

.why-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px
}

.why-item p {
    font-size: 15px;
    color: var(--slate)
}

/* ---------- Industries ---------- */
.ind-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px
}

.chip {
    border: 1px solid var(--line);
    background: var(--bg);
    border-radius: 999px;
    padding: 11px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    transition: border-color .2s, color .2s
}

.chip:hover {
    border-color: var(--teal);
    color: var(--teal-deep)
}

/* ---------- Credibility ---------- */
.cred {
    background: linear-gradient(160deg, #0a1a33, #081427);
    color: #fff;
    border-radius: 20px;
    padding: 54px 52px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center
}

.cred .lockup {
    display: flex;
    align-items: center;
    gap: 14px
}

.cred .lockup .mark {
    width: 38px;
    height: 38px
}

.cred .lockup .t1 {
    font-family: 'Sora';
    font-weight: 700;
    font-size: 26px
}

.cred .lockup .t2 {
    font-size: 13px;
    color: var(--slate-light)
}

.cred p {
    color: #c4cfde;
    font-size: 17px
}

.cred p b {
    color: #fff;
    font-weight: 600
}

.cred .lockup .lockup-icon {
    width: 48px;
    height: 48px;
    border-radius: 11px;
    flex: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4)
}

/* ---------- Team ---------- */
.team-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    justify-content: center
}

.person {
    flex: 1 1 300px;
    max-width: 362px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 24px 22px;
    display: flex;
    align-items: center;
    gap: 17px;
    transition: transform .2s, box-shadow .2s
}

.person:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 34px rgba(11, 23, 38, 0.09)
}

.person .avatar {
    flex: none;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Sora';
    font-weight: 600;
    font-size: 17px;
    color: #fff;
    background: linear-gradient(150deg, var(--navy-700), var(--blue))
}

.person:nth-child(even) .avatar {
    background: linear-gradient(150deg, var(--teal-deep), var(--teal))
}

.person .who .nm {
    font-family: 'Sora';
    font-weight: 600;
    font-size: 17px;
    color: var(--ink)
}

.person .who .role {
    font-size: 13.5px;
    color: var(--slate);
    margin-top: 3px
}

/* ---------- CTA ---------- */
.cta {
    background: var(--bg-soft);
    text-align: center
}

.cta h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 14px
}

.cta p {
    font-size: 18px;
    color: var(--slate);
    margin-bottom: 30px
}

.cta .btn-primary {
    padding: 15px 28px;
    font-size: 16px
}

.cta .mail {
    display: block;
    margin-top: 20px;
    font-size: 15px;
    color: var(--slate)
}

.cta .mail a {
    color: var(--teal-deep);
    font-weight: 600
}

/* ---------- Footer ---------- */
footer {
    background: var(--navy-900);
    color: #9fb0c6;
    padding: 48px 0 38px
}

.foot-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08)
}

.foot-brand .name {
    font-family: 'Sora';
    font-weight: 700;
    color: #fff;
    font-size: 22px
}

.foot-brand .tag {
    font-size: 13px;
    color: var(--slate-light);
    margin-top: 4px
}

.foot-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap
}

.foot-links a {
    font-size: 14px;
    color: #b9c6d8
}

.foot-links a:hover {
    color: #fff
}

.foot-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 24px;
    font-size: 13px;
    color: var(--slate-light)
}

.foot-lockup {
    display: flex;
    align-items: center;
    gap: 11px
}

.foot-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    flex: none
}

.foot-right {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap
}

.social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.07);
    color: #cdd9e8;
    transition: background .2s, color .2s, transform .2s
}

.social:hover {
    background: var(--teal);
    color: #fff;
    transform: translateY(-2px)
}

/* ---------- reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .7s ease, transform .7s ease
}

.reveal.in {
    opacity: 1;
    transform: none
}

/* ---------- responsive ---------- */
@media(max-width:900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 64px 24px 72px
    }

    .hero h1 {
        font-size: 40px
    }

    .ascend {
        height: 230px;
        order: -1;
        margin-bottom: 8px;
        max-width: 450px;
    }



    .ladder {
        grid-template-columns: repeat(2, 1fr)
    }

    .rung:nth-child(n) {
        margin-bottom: 0
    }

    .model-grid {
        grid-template-columns: 1fr
    }

    .why-grid {
        grid-template-columns: 1fr
    }

    .cred {
        grid-template-columns: 1fr;
        padding: 38px 30px
    }

    .nav-links {
        display: none
    }

    .nav-cta {
        display: inline-flex;
        padding: 9px 15px;
        font-size: 13px
    }
}

@media(max-width:520px) {
    .hero h1 {
        font-size: 33px
    }

    .section-head h2 {
        font-size: 28px
    }

    .ladder {
        grid-template-columns: 1fr
    }

    .cta h2 {
        font-size: 28px
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none
    }

    .modal-overlay.open .modal {
        animation: none
    }

    html {
        scroll-behavior: auto
    }

    .rung:hover,
    .btn:hover {
        transform: none
    }
}

/* ---------- Consult modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: rgba(8, 16, 32, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px)
}

.modal-overlay.open {
    display: flex
}

.modal {
    position: relative;
    background: #fff;
    border-radius: 20px;
    width: 100%;
    max-width: 460px;
    padding: 36px 32px 28px;
    box-shadow: 0 30px 80px rgba(8, 18, 38, 0.4)
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(.985)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.modal-overlay.open .modal {
    animation: modalIn .22s ease
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 34px;
    height: 34px;
    border: none;
    background: var(--bg-soft);
    border-radius: 9px;
    cursor: pointer;
    color: var(--slate);
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, color .15s
}

.modal-close:hover {
    background: #e9edf2;
    color: var(--ink)
}

.modal h3 {
    font-family: 'Sora';
    font-weight: 700;
    font-size: 24px;
    color: var(--ink);
    margin-bottom: 7px
}

.modal .sub {
    font-size: 14.5px;
    line-height: 1.5;
    color: var(--slate);
    margin-bottom: 22px
}

.field {
    margin-bottom: 15px
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px
}

.field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font-family: inherit;
    font-size: 15px;
    color: var(--ink);
    background: #fff;
    transition: border-color .15s, box-shadow .15s
}

.field input:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(21, 154, 143, 0.28)
}

.field input::placeholder {
    color: #5f6c81
}

.field .err {
    color: #c0392b;
    font-size: 12.5px;
    margin-top: 5px;
    display: none
}

.field.invalid input {
    border-color: #dd7b6e
}

.field.invalid input:focus {
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12)
}

.field.invalid .err {
    display: block
}

.modal button.btn {
    width: 100%;
    justify-content: center;
    padding: 13px;
    font-size: 15px;
    font-family: inherit;
    margin-top: 4px
}

.modal button.btn:disabled {
    opacity: .7;
    cursor: default
}

.modal-foot {
    text-align: center;
    font-size: 13px;
    color: var(--slate);
    margin-top: 14px
}

.modal-foot a {
    color: var(--teal-deep);
    font-weight: 600
}

.modal-success {
    text-align: center;
    padding: 6px 0 2px
}

.modal-success .tick {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: rgba(21, 154, 143, 0.12);
    color: var(--teal-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 30px;
    font-weight: 700
}

.hp {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0
}

/* ---------- accessibility: keyboard focus + skip link ---------- */
:root {
    --focus: var(--teal-deep)
}

.hero,
footer,
.cred {
    --focus: var(--teal-bright)
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
    border-radius: 5px
}

.field input:focus-visible {
    outline: none
}

.skip-link {
    position: absolute;
    left: 12px;
    top: -60px;
    z-index: 2000;
    background: var(--navy-900);
    color: #fff;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: top .18s ease
}

.skip-link:focus {
    top: 12px
}