/* SMS public landing — full-viewport sections */

:root {
    --ink: #0f1c2e;
    --ink-soft: rgba(15, 28, 46, 0.72);
    --ink-faint: rgba(15, 28, 46, 0.55);
    --sea: #1a6b5c;
    --sea-deep: #134e44;
    --foam: #e7f2ef;
    --sand: #f3efe8;
    --paper: #fbf8f3;
    --line: rgba(15, 28, 46, 0.12);
    --white: #ffffff;
    --font-display: "Fraunces", Georgia, "Times New Roman", serif;
    --font-body: "DM Sans", "Segoe UI", sans-serif;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --nav-h: 4.25rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 100;
    padding: 0.6rem 1rem;
    background: var(--ink);
    color: var(--white);
    border-radius: 0.4rem;
}

.skip-link:focus {
    top: 1rem;
}

/* ---------- Nav ---------- */

.site-nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 40;
    height: var(--nav-h);
    transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-nav.is-solid {
    background: rgba(251, 248, 243, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--line);
}

.site-nav.is-solid .nav-brand,
.site-nav.is-solid .nav-links a {
    color: var(--ink);
}

.site-nav.is-solid .nav-links a:hover {
    color: var(--sea);
}

.nav-inner {
    height: 100%;
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--white);
    transition: color 0.3s var(--ease);
}

.nav-links {
    display: none;
    gap: 1.5rem;
    margin-left: auto;
    font-size: 0.92rem;
    font-weight: 500;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.82);
    transition: color 0.25s var(--ease);
}

.nav-links a:hover {
    color: var(--white);
}

.nav-cta {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.05rem;
    border-radius: 0.5rem;
    background: var(--sea);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.site-nav.is-solid .nav-cta {
    margin-left: 0;
}

.nav-cta:hover {
    background: var(--sea-deep);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-cta {
        margin-left: 0;
    }
}

/* ---------- Shared section shell ---------- */

.lp-section {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.section-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 72rem;
    margin: 0 auto;
    padding: calc(var(--nav-h) + 1.5rem) 1.5rem 3rem;
}

.eyebrow {
    margin: 0 0 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sea);
}

.eyebrow.light {
    color: rgba(231, 242, 239, 0.85);
}

.brand-mark {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.9;
    color: var(--white);
}

h2 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2rem, 4.5vw, 3.35rem);
    line-height: 1.12;
    letter-spacing: -0.025em;
    max-width: 16ch;
}

.lede {
    margin: 1.1rem 0 0;
    font-size: clamp(1.02rem, 1.6vw, 1.2rem);
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 36rem;
}

.lede.light {
    color: rgba(255, 255, 255, 0.78);
}

.copy-block.centered {
    text-align: center;
    margin-inline: auto;
}

.copy-block.centered h2,
.copy-block.centered .lede {
    margin-inline: auto;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    padding: 0.7rem 1.25rem;
    border-radius: 0.55rem;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.btn-primary {
    background: var(--sea);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--sea-deep);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: var(--white);
    background: transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

/* ---------- Reveal motion ---------- */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
    transition-delay: calc(var(--d, 0) * 0.12s);
}

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

/* ---------- Hero ---------- */

.hero {
    justify-content: flex-end;
    color: var(--white);
}

.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    transform: scale(1.04);
    animation: hero-drift 22s ease-in-out infinite alternate;
}

.hero-veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(15, 28, 46, 0.35) 0%, rgba(15, 28, 46, 0.55) 42%, rgba(15, 28, 46, 0.88) 100%),
        linear-gradient(90deg, rgba(15, 28, 46, 0.45) 0%, transparent 55%);
}

.hero-content {
    padding-bottom: 5.5rem;
}

.hero .brand-mark {
    font-size: clamp(4.5rem, 16vw, 9.5rem);
    text-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    animation: brand-rise 1.1s var(--ease) both;
}

.hero-headline {
    margin: 1rem 0 0;
    font-family: var(--font-display);
    font-weight: 550;
    font-size: clamp(1.55rem, 3.4vw, 2.35rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 18ch;
    color: rgba(255, 255, 255, 0.96);
}

.hero-support {
    margin: 0.9rem 0 0;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.78);
    max-width: 32rem;
}

.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 1.4rem;
    z-index: 3;
    width: 1.6rem;
    height: 2.4rem;
    margin-left: -0.8rem;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    display: grid;
    place-items: start center;
    padding-top: 0.35rem;
}

.scroll-hint span {
    width: 0.28rem;
    height: 0.28rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    animation: scroll-dot 1.6s var(--ease) infinite;
}

@keyframes hero-drift {
    from { transform: scale(1.04) translate3d(0, 0, 0); }
    to { transform: scale(1.1) translate3d(0, -1.5%, 0); }
}

@keyframes brand-rise {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: none; }
}

@keyframes scroll-dot {
    0% { opacity: 0; transform: translateY(0); }
    30% { opacity: 1; }
    100% { opacity: 0; transform: translateY(14px); }
}

/* ---------- Platform ---------- */

.platform {
    background: var(--foam);
}

.platform-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 45% at 85% 20%, rgba(26, 107, 92, 0.14), transparent 60%),
        radial-gradient(ellipse 40% 50% at 10% 80%, rgba(15, 28, 46, 0.06), transparent 55%),
        linear-gradient(165deg, #eef6f3 0%, #e3eee9 50%, #d7e8e2 100%);
}

.split {
    display: grid;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .split {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 3.5rem;
    }
}

.panel-frame {
    background: rgba(251, 248, 243, 0.9);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 0.85rem;
    box-shadow: 0 24px 60px rgba(15, 28, 46, 0.08);
    transform: translateY(12px);
    opacity: 0;
    transition: opacity 0.9s var(--ease) 0.15s, transform 0.9s var(--ease) 0.15s;
}

.reveal.is-in .panel-frame {
    opacity: 1;
    transform: none;
}

.panel-bar {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.85rem;
    padding: 0 0.2rem;
}

.panel-bar span {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: rgba(15, 28, 46, 0.18);
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: auto auto;
    gap: 0.65rem;
    min-height: 14rem;
}

.panel-cell {
    display: flex;
    align-items: flex-end;
    padding: 1rem;
    border-radius: 0.7rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    background: linear-gradient(160deg, #ffffff, #e8f3ef);
    border: 1px solid rgba(26, 107, 92, 0.12);
}

.panel-cell.wide {
    grid-column: 1 / -1;
    min-height: 5.5rem;
    background: linear-gradient(135deg, #1a6b5c, #134e44);
    color: var(--white);
    border: none;
    font-family: var(--font-display);
    font-size: 1.25rem;
}

.panel-cell.tall {
    grid-row: span 1;
    background: linear-gradient(160deg, #0f1c2e, #1a3348);
    color: rgba(255, 255, 255, 0.92);
    border: none;
}

/* ---------- Control ---------- */

.control {
    background:
        linear-gradient(180deg, var(--sand) 0%, #ebe4d8 100%);
}

.feature-rail {
    list-style: none;
    margin: 3rem 0 0;
    padding: 0;
    display: grid;
    gap: 0;
    border-top: 1px solid var(--line);
}

.feature-item {
    display: grid;
    gap: 0.35rem;
    padding: 1.45rem 0;
    border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
    .feature-item {
        grid-template-columns: 12rem 1fr;
        gap: 2rem;
        align-items: baseline;
        padding: 1.7rem 0;
    }
}

.feature-item strong {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.feature-item span {
    color: var(--ink-soft);
    line-height: 1.55;
    max-width: 36rem;
}

/* ---------- Access ---------- */

.access {
    color: var(--white);
}

.access-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.access-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.access-veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, rgba(15, 28, 46, 0.92) 0%, rgba(15, 28, 46, 0.72) 48%, rgba(26, 107, 92, 0.55) 100%);
}

.access .section-inner {
    max-width: 48rem;
}

.access h2 {
    color: var(--white);
    max-width: 14ch;
}

.access-pair {
    display: grid;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

@media (min-width: 700px) {
    .access-pair {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

.access-lane h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 600;
}

.access-lane p {
    margin: 0.55rem 0 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.55;
    max-width: 22rem;
}

.access-lane + .access-lane {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 1.5rem;
}

@media (min-width: 700px) {
    .access-lane + .access-lane {
        border-top: 0;
        border-left: 1px solid rgba(255, 255, 255, 0.18);
        padding-top: 0;
        padding-left: 2.5rem;
    }
}

/* ---------- Close ---------- */

.close {
    background: var(--ink);
    color: var(--white);
    justify-content: space-between;
}

.close-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(26, 107, 92, 0.35), transparent 65%),
        radial-gradient(ellipse 40% 40% at 100% 100%, rgba(231, 242, 239, 0.08), transparent 50%),
        linear-gradient(180deg, #0f1c2e 0%, #132536 100%);
}

.close-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    align-items: center;
}

.close-brand {
    font-size: clamp(3.5rem, 12vw, 7rem);
    margin-bottom: 0.75rem;
}

.close h2 {
    max-width: 14ch;
    color: var(--white);
}

.close .lede {
    color: rgba(255, 255, 255, 0.7);
}

.lp-footer {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 1.25rem 1.5rem;
    max-width: 72rem;
    width: 100%;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
}

.lp-footer a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.lp-footer a:hover {
    color: var(--white);
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal,
    .hero .brand-mark,
    .panel-frame,
    .hero-media img,
    .scroll-hint span {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}