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

:root {
    --ink: #161a1d;
    --muted: #5c6770;
    --line: #e1e6ea;
    --paper: #ffffff;
    --soft: #f5f7f8;
    --deep: #102b2e;
    --teal: #0b7a75;
    --teal-dark: #075e5a;
    --amber: #c98a24;
    --coral: #b84f42;
    --shadow: 0 18px 45px rgba(16, 43, 46, 0.14);
    --radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Be Vietnam Pro", Inter, Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.72;
    overflow-x: hidden;
}

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

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

h1,
h2,
h3,
.page-title,
.main-title {
    margin: 0;
    font-family: "Be Vietnam Pro", Inter, Arial, sans-serif;
    line-height: 1.16;
    letter-spacing: 0;
}

p {
    margin: 0;
}

.container {
    width: min(1140px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(225, 230, 234, 0.9);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-weight: 900;
    color: var(--deep);
}

.brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a {
    padding: 9px 12px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
}

.nav-menu a:hover {
    color: var(--teal);
}

.nav-menu .nav-cta {
    margin-left: 6px;
    background: var(--deep);
    color: #fff;
    border-radius: var(--radius);
    padding: 10px 15px;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: var(--paper);
    border-radius: var(--radius);
    padding: 9px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--deep);
}

section {
    padding: 82px 0;
}

.hero {
    padding: 72px 0 78px;
    background:
        linear-gradient(135deg, rgba(16, 43, 46, 0.96), rgba(9, 94, 90, 0.9)),
        url("../images/ALT_tech.jpg") center/cover no-repeat;
    color: #fff;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
    gap: 54px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 18px;
    padding: 7px 12px;
    border: 1px solid rgba(11, 122, 117, 0.18);
    border-radius: 999px;
    background: rgba(11, 122, 117, 0.1);
    color: var(--teal-dark);
    font-size: 13px;
    font-weight: 900;
}

.hero .eyebrow {
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.92);
}

.hero h1 {
    max-width: 760px;
    font-size: clamp(40px, 6vw, 68px);
}

.lead {
    max-width: 720px;
    margin-top: 22px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.btn,
.submit-btn,
.advisor-form button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: var(--radius);
    padding: 13px 20px;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover,
.submit-btn:hover,
.advisor-form button:hover {
    transform: translateY(-1px);
}

.btn-primary,
.submit-btn,
.advisor-form button {
    background: var(--teal);
    color: #fff;
    box-shadow: 0 12px 26px rgba(11, 122, 117, 0.24);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.26);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 34px;
}

.hero-metrics div {
    min-height: 92px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.08);
}

.hero-metrics strong {
    display: block;
    font-size: 30px;
    line-height: 1;
}

.hero-metrics span {
    display: block;
    margin-top: 7px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
    font-weight: 700;
}

.hero-panel {
    display: grid;
    gap: 16px;
}

.hero-media {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.hero-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.offer-card {
    display: grid;
    gap: 8px;
    padding: 22px;
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    box-shadow: var(--shadow);
}

.offer-card .offer-label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.offer-card strong {
    color: var(--deep);
    font-size: 44px;
    line-height: 1;
}

.offer-card span {
    color: var(--muted);
    font-weight: 700;
}

.offer-card .btn {
    margin-top: 10px;
}

.statement {
    background: var(--paper);
}

.statement-grid,
.system-grid,
.split,
.advisor-card,
.pricing-wrap {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
    gap: 54px;
    align-items: start;
}

.statement h2,
.section-head h2,
.system-copy h2,
.split h2,
.advisor-copy h2,
.pricing-copy h2 {
    font-size: clamp(30px, 4vw, 46px);
}

.statement-copy {
    display: grid;
    gap: 18px;
    color: var(--muted);
    font-size: 17px;
}

.outcomes,
.roadmap {
    background: var(--soft);
}

.section-head {
    max-width: 760px;
    margin-bottom: 34px;
}

.outcome-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.outcome-grid article,
.step {
    min-height: 230px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    box-shadow: 0 8px 24px rgba(16, 43, 46, 0.06);
}

.outcome-grid article span,
.step span {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--amber);
    font-size: 13px;
    font-weight: 900;
}

.outcome-grid h3,
.step h3 {
    margin-bottom: 10px;
    font-size: 19px;
}

.outcome-grid p,
.step p,
.system-copy p,
.advisor-copy p,
.pricing-copy p,
.form-note {
    color: var(--muted);
}

.system {
    background: var(--deep);
    color: #fff;
}

.system .eyebrow {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

.system-copy p {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 17px;
}

.system-map {
    display: grid;
    gap: 16px;
}

.map-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.map-node {
    min-height: 132px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.08);
}

.map-node.source {
    min-height: 150px;
    background: #fff;
    color: var(--deep);
}

.map-node small {
    display: block;
    margin-bottom: 8px;
    color: currentColor;
    opacity: 0.66;
    font-weight: 900;
}

.map-node strong {
    display: block;
    font-size: 22px;
    line-height: 1.2;
}

.fit,
.advisor-section {
    background: #fff;
}

.check-list {
    display: grid;
    gap: 13px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    min-height: 32px;
    padding-left: 38px;
    color: var(--ink);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--teal);
}

.check-list li::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 10px;
    width: 5px;
    height: 9px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(40deg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.advisor-card,
.pricing-wrap {
    align-items: center;
}

.advisor-box,
.registration-form {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    box-shadow: var(--shadow);
}

.advisor-messages {
    height: 320px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 6px;
}

.message {
    max-width: 86%;
    padding: 13px 15px;
    border-radius: var(--radius);
    font-size: 14px;
}

.message.bot {
    align-self: flex-start;
    background: var(--soft);
    color: var(--ink);
}

.message.user {
    align-self: flex-end;
    background: var(--teal);
    color: #fff;
}

.advisor-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-top: 16px;
}

.advisor-form input,
.registration-form input {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 14px;
    color: var(--ink);
    font: inherit;
    outline: none;
}

.advisor-form input:focus,
.registration-form input:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(11, 122, 117, 0.12);
}

.pricing {
    background: linear-gradient(180deg, var(--soft), #fff);
}

.compact {
    margin-top: 22px;
}

.registration-form {
    display: grid;
    gap: 12px;
}

.registration-form label {
    color: var(--deep);
    font-size: 14px;
    font-weight: 900;
}

.form-messages p {
    margin-bottom: 8px;
    font-weight: 800;
}

.form-messages .error {
    color: var(--coral);
}

.form-note {
    font-size: 13px;
}

.footer {
    padding: 36px 0;
    background: var(--deep);
    color: #fff;
}

.footer .container {
    display: flex;
    align-items: center;
    gap: 18px;
}

.footer img {
    width: 62px;
    height: 62px;
    object-fit: contain;
}

.footer p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
}

.floating-cta {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 35;
    padding: 13px 17px;
    border-radius: var(--radius);
    background: var(--amber);
    color: #111;
    font-weight: 900;
    box-shadow: var(--shadow);
}

.reveal {
    opacity: 1;
}

@media (max-width: 960px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 72px;
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--paper);
        box-shadow: var(--shadow);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu .nav-cta {
        margin-left: 0;
        text-align: center;
    }

    .hero-grid,
    .statement-grid,
    .system-grid,
    .split,
    .advisor-card,
    .pricing-wrap {
        grid-template-columns: 1fr;
    }

    .outcome-grid,
    .steps {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 700px) {
    .container {
        width: min(100% - 28px, 1140px);
    }

    section,
    .hero {
        padding: 56px 0;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-metrics,
    .map-row,
    .outcome-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .advisor-form {
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .btn,
    .submit-btn,
    .advisor-form button {
        width: 100%;
        text-align: center;
    }

    .outcome-grid article,
    .step {
        min-height: auto;
    }

    .footer .container {
        align-items: flex-start;
    }

    .floating-cta {
        left: 14px;
        right: 14px;
        text-align: center;
    }
}