:root {
    --ink: #142028;
    --ink-soft: #3a4a55;
    --paper: #eef3f6;
    --mist: #d7e1e8;
    --white: #f8fbfd;
    --accent: #0a9fd4;
    --accent-deep: #0678a3;
    --warm: #f0a35a;
    --line: rgba(20, 32, 40, 0.12);
    --font-display: Syne, sans-serif;
    --font-body: Syne, sans-serif;
    --max: 1120px;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background:
        radial-gradient(ellipse 80% 50% at 10% -10%, rgba(10, 159, 212, 0.14), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 20%, rgba(240, 163, 90, 0.12), transparent 50%),
        linear-gradient(180deg, #f4f8fb 0%, var(--paper) 40%, #e8eef3 100%);
    line-height: 1.55;
    letter-spacing: -0.02em;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

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

.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem var(--gutter);
    max-width: calc(var(--max) + 2 * var(--gutter));
    margin: 0 auto;
}

.brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    letter-spacing: -0.05em;
    color: var(--white);
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.brand span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 600;
}

.nav-links a {
    color: rgba(248, 251, 253, 0.88);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.4rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
    background: var(--accent);
    color: #041018;
}

.btn-primary:hover {
    background: #2bb4e0;
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(248, 251, 253, 0.45);
}

.btn-ghost:hover {
    background: rgba(248, 251, 253, 0.1);
    border-color: var(--white);
}

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

.btn-ink:hover {
    background: #243542;
}

/* —— Hero —— */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    color: var(--white);
}

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

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 58% 40%;
    transform: scale(1.04);
    transition: transform 8s ease-out;
}

.hero.is-ready .hero-media img {
    transform: scale(1);
}

.hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(100deg, rgba(10, 18, 24, 0.82) 0%, rgba(10, 18, 24, 0.45) 48%, rgba(10, 18, 24, 0.2) 100%),
        linear-gradient(0deg, rgba(10, 18, 24, 0.75) 0%, transparent 45%);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(var(--max), 100%);
    margin: 0 auto;
    padding: 0 var(--gutter) clamp(3rem, 8vh, 5rem);
    max-width: 34rem;
    margin-left: max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter)));
    margin-right: auto;
}

.hero-brand {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.8rem, 8vw, 4.75rem);
    letter-spacing: -0.07em;
    line-height: 0.95;
    margin-bottom: 1.1rem;
    opacity: 0;
    transform: translateY(1.25rem) scaleX(0.92);
    transform-origin: left center;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-brand span {
    color: var(--accent);
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    letter-spacing: -0.04em;
    line-height: 1.2;
    margin-bottom: 0.85rem;
    max-width: 18ch;
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 0.7s ease 0.12s, transform 0.7s ease 0.12s;
}

.hero-lead {
    font-size: 1.05rem;
    color: rgba(248, 251, 253, 0.86);
    margin-bottom: 1.6rem;
    max-width: 34ch;
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 0.7s ease 0.22s, transform 0.7s ease 0.22s;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 0.7s ease 0.32s, transform 0.7s ease 0.32s;
}

.hero.is-ready .hero-brand {
    opacity: 1;
    transform: translateY(0) scaleX(0.92);
}

.hero.is-ready h1,
.hero.is-ready .hero-lead,
.hero.is-ready .hero-cta {
    opacity: 1;
    transform: translateY(0);
}

/* —— Sections —— */
.section {
    padding: clamp(4rem, 9vw, 6.5rem) var(--gutter);
}

.section-inner {
    width: min(var(--max), 100%);
    margin: 0 auto;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-deep);
    margin-bottom: 0.75rem;
}

.section h2 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    letter-spacing: -0.055em;
    line-height: 1.1;
    margin-bottom: 1rem;
    max-width: 18ch;
}

.section-lead {
    color: var(--ink-soft);
    font-size: 1.08rem;
    max-width: 52ch;
}

.reveal {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Intro */
.intro {
    background: var(--white);
}

.intro .section-inner {
    display: grid;
    gap: 2rem;
}

@media (min-width: 820px) {
    .intro .section-inner {
        grid-template-columns: 1.1fr 0.9fr;
        align-items: end;
        gap: 4rem;
    }
}

.intro-copy p + p {
    margin-top: 1rem;
    color: var(--ink-soft);
}

.intro-aside {
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
}

.intro-aside strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: -0.04em;
    margin-bottom: 0.4rem;
}

.intro-aside p {
    color: var(--ink-soft);
    font-size: 0.98rem;
}

/* Styles strip */
.styles {
    background:
        linear-gradient(135deg, #16303c 0%, #0d1c24 100%);
    color: var(--white);
}

.styles h2 {
    color: var(--white);
    max-width: 16ch;
}

.styles .section-lead {
    color: rgba(248, 251, 253, 0.72);
}

.style-list {
    list-style: none;
    display: grid;
    gap: 0;
    margin-top: 2.5rem;
    border-top: 1px solid rgba(248, 251, 253, 0.15);
}

.style-list li {
    display: grid;
    gap: 0.35rem 2rem;
    padding: 1.35rem 0;
    border-bottom: 1px solid rgba(248, 251, 253, 0.15);
}

@media (min-width: 700px) {
    .style-list li {
        grid-template-columns: 220px 1fr;
        align-items: baseline;
    }
}

.style-list h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.style-list p {
    color: rgba(248, 251, 253, 0.7);
    font-size: 0.98rem;
}

/* Materials */
.materials {
    background: var(--paper);
}

.material-row {
    display: grid;
    gap: 1.75rem;
    margin-top: 2.75rem;
    align-items: center;
}

.material-row + .material-row {
    margin-top: 3.5rem;
}

@media (min-width: 800px) {
    .material-row {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 3.5rem;
    }

    .material-row.reverse {
        direction: rtl;
    }

    .material-row.reverse > * {
        direction: ltr;
    }
}

.material-visual {
    overflow: hidden;
    border-radius: 2px;
    background: var(--mist);
    aspect-ratio: 4 / 3;
}

.material-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.material-row.is-visible .material-visual img {
    transform: scale(1.02);
}

.material-copy h3 {
    font-family: var(--font-display);
    font-size: 1.55rem;
    letter-spacing: -0.045em;
    margin-bottom: 0.65rem;
}

.material-copy p {
    color: var(--ink-soft);
    max-width: 40ch;
}

/* Tap */
.tap {
    position: relative;
    padding: 0;
    color: var(--white);
    overflow: hidden;
}

.tap-media {
    position: absolute;
    inset: 0;
}

.tap-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}

.tap-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(8, 16, 22, 0.88) 0%, rgba(8, 16, 22, 0.55) 55%, rgba(8, 16, 22, 0.25) 100%);
}

.tap .section-inner {
    position: relative;
    z-index: 1;
    padding: clamp(4.5rem, 10vw, 7rem) 0;
    max-width: 28rem;
}

.tap .section-label {
    color: var(--warm);
}

.tap h2 {
    color: var(--white);
}

.tap .section-lead {
    color: rgba(248, 251, 253, 0.8);
    margin-bottom: 1.5rem;
}

.tap-steps {
    list-style: none;
    display: grid;
    gap: 0.85rem;
    margin-top: 0.5rem;
}

.tap-steps li {
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: 0.75rem;
    align-items: start;
    color: rgba(248, 251, 253, 0.88);
    font-size: 0.98rem;
}

.tap-steps span {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent);
}

/* Audience */
.audience {
    background: var(--white);
}

.audience-grid {
    display: grid;
    gap: 0;
    margin-top: 2.5rem;
    border-top: 1px solid var(--line);
}

.audience-item {
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
    .audience-item {
        display: grid;
        grid-template-columns: 220px 1fr;
        gap: 2rem;
        align-items: baseline;
    }
}

.audience-item h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: -0.04em;
}

.audience-item p {
    color: var(--ink-soft);
}

/* Order */
.order {
    background:
        radial-gradient(ellipse 70% 60% at 80% 0%, rgba(10, 159, 212, 0.16), transparent 55%),
        linear-gradient(180deg, #e8eef3 0%, #dfe8ee 100%);
}

.order .section-inner {
    display: grid;
    gap: 2.5rem;
}

@media (min-width: 860px) {
    .order .section-inner {
        grid-template-columns: 0.95fr 1.05fr;
        gap: 3.5rem;
        align-items: start;
    }
}

.order-form {
    display: grid;
    gap: 1rem;
    background: var(--white);
    padding: clamp(1.5rem, 3vw, 2rem);
    border: 1px solid var(--line);
}

.form-row {
    display: grid;
    gap: 1rem;
}

@media (min-width: 560px) {
    .form-row.two {
        grid-template-columns: 1fr 1fr;
    }
}

.field {
    display: grid;
    gap: 0.35rem;
}

.field label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
    font: inherit;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid transparent;
    border-radius: 2px;
    padding: 0.85rem 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    background: var(--white);
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.form-note {
    font-size: 0.88rem;
    color: var(--ink-soft);
}

.form-status {
    font-size: 0.95rem;
    font-weight: 600;
    min-height: 1.4em;
}

.form-status.ok {
    color: var(--accent-deep);
}

.form-status.err {
    color: #b33a2b;
}

.site-footer {
    padding: 2rem var(--gutter) 2.5rem;
    border-top: 1px solid var(--line);
    background: #e4ebf0;
}

.footer-inner {
    width: min(var(--max), 100%);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    justify-content: space-between;
    align-items: center;
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.footer-brand {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.05em;
}

.footer-brand span {
    color: var(--accent-deep);
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

@media (max-width: 640px) {
    .nav-links a:not(.btn) {
        display: none;
    }

    .hero-content {
        margin-left: var(--gutter);
        max-width: none;
    }
}