/* ===================================================================
   UUW · Integrated Marketing — Stylesheet
   =================================================================== */

/* ---------- Design tokens ---------- */
:root {
    --ink: #0b0b12;
    --ink-2: #14141f;
    --paper: #ffffff;
    --paper-2: #f6f5f8;
    --paper-3: #efedf2;
    --muted: #6b6b78;
    --muted-2: #9a9aa6;
    --line: #e7e5ec;

    --brand: #ff4d6d;
    --brand-2: #ff8a5b;
    --brand-3: #b14dff;
    --grad: linear-gradient(120deg, #ff4d6d 0%, #ff8a5b 55%, #b14dff 110%);
    --grad-soft: linear-gradient(120deg, #ff4d6d22, #b14dff22);

    --radius: 18px;
    --radius-lg: 28px;
    --shadow-sm: 0 4px 16px rgba(11, 11, 18, .06);
    --shadow: 0 18px 48px rgba(11, 11, 18, .10);
    --shadow-lg: 0 40px 90px rgba(11, 11, 18, .18);

    --container: 1200px;
    --ease: cubic-bezier(.22, 1, .36, 1);

    --font: "Inter", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

::selection {
    background: var(--brand);
    color: #fff;
}

.container {
    width: min(100% - 48px, var(--container));
    margin-inline: auto;
}

/* ---------- Shared typography ---------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--brand);
}

.eyebrow::before {
    content: "";
    width: 26px;
    height: 2px;
    background: var(--grad);
    border-radius: 2px;
}

.eyebrow--light {
    color: #fff;
}

.eyebrow--light::before {
    background: #fff;
}

.section-title {
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-top: 16px;
}

.section-desc {
    color: var(--muted);
    font-size: 1.06rem;
    max-width: 60ch;
    margin-top: 18px;
}

.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section {
    padding: clamp(72px, 11vw, 140px) 0;
}

.section-head {
    margin-bottom: 56px;
}

.section-head.center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ---------- Buttons ---------- */
.btn {
    --pad-y: 13px;
    --pad-x: 24px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: var(--pad-y) var(--pad-x);
    border-radius: 999px;
    font-weight: 700;
    font-size: .95rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
    will-change: transform;
    white-space: nowrap;
}

.btn-lg {
    --pad-y: 17px;
    --pad-x: 34px;
    font-size: 1rem;
}

.btn-sm {
    --pad-y: 9px;
    --pad-x: 18px;
    font-size: .88rem;
}

.btn .arrow {
    transition: transform .3s var(--ease);
}

.btn:hover .arrow {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 12px 28px rgba(255, 77, 109, .35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(255, 77, 109, .45);
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .35);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .7);
    transform: translateY(-3px);
}

.btn-light {
    background: #fff;
    color: var(--ink);
}

.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* ===================================================================
   Header
   =================================================================== */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    padding: 18px 0;
    transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s var(--ease);
}

.site-header.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(180%) blur(16px);
    box-shadow: 0 1px 0 var(--line), var(--shadow-sm);
}

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

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-mark {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -.02em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.brand-sub {
    font-size: .56rem;
    letter-spacing: .26em;
    font-weight: 700;
    color: #fff;
    margin-top: 4px;
    transition: color .35s var(--ease);
}

.scrolled .brand-sub {
    color: var(--muted);
}

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

.nav-links>a:not(.btn) {
    font-size: .95rem;
    font-weight: 600;
    color: #fff;
    position: relative;
    padding: 4px 0;
    transition: color .25s var(--ease);
}

.scrolled .nav-links>a:not(.btn) {
    color: var(--ink);
}

.nav-links>a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--grad);
    border-radius: 2px;
    transition: width .3s var(--ease);
}

.nav-links>a:not(.btn):hover::after {
    width: 100%;
}

.nav-links>a:not(.btn):hover {
    color: var(--brand);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .3s var(--ease), opacity .3s var(--ease), background .3s var(--ease);
}

.scrolled .nav-toggle span {
    background: var(--ink);
}

/* ===================================================================
   Hero
   =================================================================== */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    background: radial-gradient(120% 120% at 80% 0%, #1b1430 0%, var(--ink) 45%, #07070d 100%);
    color: #fff;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(80% 70% at 50% 35%, #000 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(80% 70% at 50% 35%, #000 0%, transparent 80%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
    pointer-events: none;
}

.hero-glow--1 {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, #ff4d6d, transparent 65%);
    top: -120px;
    right: -80px;
    animation: float1 14s ease-in-out infinite;
}

.hero-glow--2 {
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, #b14dff, transparent 65%);
    bottom: -140px;
    left: -100px;
    animation: float2 16s ease-in-out infinite;
}

@keyframes float1 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-40px, 40px);
    }
}

@keyframes float2 {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(40px, -30px);
    }
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 920px;
}

.hero-title {
    font-size: clamp(2.6rem, 7vw, 5.2rem);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -.03em;
    margin: 22px 0 24px;
}

.hero-sub {
    font-size: clamp(1.02rem, 1.6vw, 1.2rem);
    color: rgba(255, 255, 255, .76);
    max-width: 60ch;
    margin-bottom: 38px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-trust {
    margin-top: 56px;
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}

.hero-trust-label {
    font-size: .8rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .45);
}

.hero-trust-items {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, .9);
}

.hero-trust-items .dot {
    color: var(--brand);
}

.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: .68rem;
    letter-spacing: .22em;
    color: rgba(255, 255, 255, .5);
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 46px;
    background: linear-gradient(rgba(255, 255, 255, .6), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: "";
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 50%;
    background: #fff;
    animation: scrollDown 1.8s var(--ease) infinite;
}

@keyframes scrollDown {
    0% {
        top: -50%;
    }

    100% {
        top: 100%;
    }
}

/* ===================================================================
   Marquee
   =================================================================== */
.marquee {
    background: var(--ink);
    color: #fff;
    padding: 20px 0;
    overflow: hidden;
    white-space: nowrap;
    border-block: 1px solid rgba(255, 255, 255, .08);
}

.marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 28px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: .02em;
    animation: marquee 26s linear infinite;
}

.marquee .sep {
    color: var(--brand);
}

@keyframes marquee {
    to {
        transform: translateX(-50%);
    }
}

/* ===================================================================
   About
   =================================================================== */
.about-inner {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 64px;
    align-items: center;
}

.lead {
    font-size: 1.22rem;
    font-weight: 600;
    margin-top: 22px;
    color: var(--ink);
}

.body {
    color: var(--muted);
    margin-top: 16px;
    font-size: 1.05rem;
}

.about-points {
    margin-top: 34px;
    display: grid;
    gap: 18px;
}

.about-points li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.about-points .check {
    flex: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--grad);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: .8rem;
    font-weight: 900;
    margin-top: 2px;
}

.about-points strong {
    font-size: 1.05rem;
}

.about-points p {
    color: var(--muted);
    font-size: .96rem;
}

/* About visual card */
.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 120% at 0% 0%, #1b1430, var(--ink) 70%);
    color: #fff;
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.visual-card::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -90px;
    bottom: -90px;
    background: var(--grad);
    filter: blur(50px);
    opacity: .5;
    border-radius: 50%;
}

.visual-badge {
    align-self: flex-start;
    position: relative;
    z-index: 1;
    font-size: .72rem;
    letter-spacing: .18em;
    font-weight: 700;
    padding: 7px 14px;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 999px;
    backdrop-filter: blur(4px);
}

.visual-title {
    position: relative;
    z-index: 1;
    font-size: clamp(1.4rem, 2.6vw, 2.1rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -.01em;
}

.visual-pulse {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 0 rgba(255, 77, 109, .6);
    animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 77, 109, .55);
    }

    100% {
        box-shadow: 0 0 0 46px rgba(255, 77, 109, 0);
    }
}

/* ===================================================================
   Stats
   =================================================================== */
.stats-section {
    padding-block: clamp(48px, 7vw, 90px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px 40px;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.stat {
    text-align: center;
    position: relative;
}

.stat:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 56px;
    background: var(--line);
}

.stat-num {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 900;
    letter-spacing: -.03em;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-num .plus {
    font-size: .55em;
}

.stat-label {
    margin-top: 10px;
    color: var(--muted);
    font-weight: 600;
    font-size: .98rem;
}

/* ===================================================================
   Strengths
   =================================================================== */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.strength-card {
    padding: 34px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}

.strength-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.strength-ico {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--grad-soft);
    display: grid;
    place-items: center;
    color: var(--brand);
    margin-bottom: 22px;
}

.strength-ico svg {
    width: 28px;
    height: 28px;
}

.strength-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.strength-card p {
    color: var(--muted);
    font-size: .96rem;
}

/* ===================================================================
   Services
   =================================================================== */
.services {
    background: var(--paper-2);
}

.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 40px 0;
}

.service-row+.service-row {
    border-top: 1px solid var(--line);
    margin-top: 16px;
}

.service-no {
    display: inline-block;
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.04em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: .85;
}

.service-copy h3 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -.02em;
    margin: 14px 0 16px;
}

.service-copy p {
    color: var(--muted);
    font-size: 1.06rem;
    max-width: 48ch;
}

.platform-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.platform-tags span {
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    font-size: .86rem;
    font-weight: 600;
    color: var(--ink);
}

/* Service art */
.service-art {
    position: relative;
    height: 340px;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 120% at 100% 0%, #1b1430, var(--ink) 75%);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-row--reverse .service-copy {
    order: 2;
}

.art-orb {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: var(--grad);
    filter: blur(40px);
    opacity: .55;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float1 12s ease-in-out infinite;
}

.art-orb--2 {
    background: linear-gradient(120deg, #b14dff, #ff4d6d);
}

.art-card {
    position: absolute;
    padding: 12px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    backdrop-filter: blur(10px);
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
    animation: bob 6s ease-in-out infinite;
}

.art-card--a {
    top: 20%;
    left: 12%;
}

.art-card--b {
    top: 46%;
    right: 12%;
    animation-delay: -2s;
}

.art-card--c {
    bottom: 16%;
    left: 22%;
    animation-delay: -4s;
}

.art-card--d {
    top: 18%;
    right: 14%;
}

.art-card--e {
    top: 48%;
    left: 12%;
    animation-delay: -2s;
}

.art-card--f {
    bottom: 16%;
    right: 20%;
    animation-delay: -4s;
}

@keyframes bob {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ===================================================================
   Product
   =================================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.product-card {
    position: relative;
    padding: 38px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--paper);
    overflow: hidden;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.product-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--grad);
    opacity: 0;
    transition: opacity .4s var(--ease);
    z-index: 0;
}

.product-card>* {
    position: relative;
    z-index: 1;
    transition: color .4s var(--ease);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover h3,
.product-card:hover p,
.product-card:hover .product-num {
    color: #fff;
}

.product-num {
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .1em;
    color: var(--brand);
}

.product-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 14px 0 10px;
}

.product-card p {
    color: var(--muted);
    font-size: .98rem;
}

/* ===================================================================
   Sectors
   =================================================================== */
.sectors {
    background: var(--paper-2);
}

.sector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sector-card {
    padding: 44px 34px;
    border-radius: var(--radius);
    background: var(--paper);
    border: 1px solid var(--line);
    text-align: center;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.sector-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
}

.sector-ico {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 18px;
    background: var(--grad-soft);
    color: var(--brand);
    display: grid;
    place-items: center;
}

.sector-ico svg {
    width: 30px;
    height: 30px;
}

.sector-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.sector-card p {
    color: var(--muted);
    font-size: .98rem;
}

/* ===================================================================
   CTA
   =================================================================== */
.cta-section {
    padding-bottom: clamp(80px, 11vw, 150px);
}

.cta-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: radial-gradient(130% 130% at 0% 0%, #211737, var(--ink) 60%);
    color: #fff;
    padding: clamp(48px, 7vw, 88px);
    overflow: hidden;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-glow {
    position: absolute;
    width: 560px;
    height: 560px;
    background: var(--grad);
    filter: blur(90px);
    opacity: .4;
    border-radius: 50%;
    top: -180px;
    right: -120px;
}

.cta-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 900;
    letter-spacing: -.02em;
    margin: 16px 0 18px;
}

.cta-sub {
    color: rgba(255, 255, 255, .75);
    max-width: 52ch;
    font-size: 1.08rem;
    margin-bottom: 34px;
}

.cta-socials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.social {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .22);
    font-size: .9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .85);
    transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}

.social:hover {
    background: var(--grad);
    border-color: transparent;
    transform: translateY(-3px);
    color: #fff;
}

/* ===================================================================
   Footer
   =================================================================== */
.footer {
    background: var(--ink);
    color: #fff;
    padding-top: 72px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.3fr 2fr;
    gap: 48px;
    padding-bottom: 56px;
}

.footer-brand .brand-mark {
    font-size: 1.7rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, .7);
    margin: 14px 0 22px;
    max-width: 30ch;
}

.footer-copy {
    color: rgba(255, 255, 255, .4);
    font-size: .85rem;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.footer-col h4 {
    font-size: .82rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .5);
    margin-bottom: 18px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, .82);
    font-size: .96rem;
    padding: 7px 0;
    transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.footer-col a:hover {
    color: var(--brand);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 22px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .82rem;
    letter-spacing: .06em;
    color: rgba(255, 255, 255, .5);
}

.back-top {
    transition: color .25s var(--ease);
}

.back-top:hover {
    color: var(--brand);
}

/* ===================================================================
   Reveal on scroll
   =================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

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

/* ===================================================================
   Mobile menu + responsive
   =================================================================== */
@media (max-width: 980px) {
    .about-inner {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .visual-card {
        max-width: 420px;
        margin-inline: auto;
        aspect-ratio: 16 / 11;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 24px;
        padding: 40px 28px;
    }

    .stat:nth-child(2)::after {
        display: none;
    }

    .service-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .service-row--reverse .service-copy {
        order: 0;
    }

    .service-art {
        height: 280px;
        order: -1;
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(80vw, 320px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 8px;
        padding: 40px;
        background: var(--ink);
        transform: translateX(100%);
        transition: transform .4s var(--ease);
        box-shadow: -20px 0 60px rgba(0, 0, 0, .4);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links>a:not(.btn) {
        color: #fff !important;
        font-size: 1.2rem;
        padding: 12px 0;
    }

    .nav-cta {
        margin-top: 16px;
    }

    /* keep hamburger white when menu open over dark header */
    .nav-toggle.active span {
        background: #fff !important;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .strength-grid,
    .product-grid,
    .sector-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-cols {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-trust {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 460px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat:not(:last-child)::after {
        display: none;
    }

    .footer-cols {
        grid-template-columns: 1fr;
    }

    .btn-lg {
        --pad-x: 26px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }

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

/* ===================================================================
   Language switcher
   =================================================================== */
.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .28);
    background: rgba(255, 255, 255, .06);
    transition: border-color .35s var(--ease), background .35s var(--ease);
}

.scrolled .lang-switch {
    border-color: var(--line);
    background: var(--paper-2);
}

.lang-switch button {
    appearance: none;
    border: none;
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: .82rem;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    padding: 7px 11px;
    border-radius: 999px;
    transition: color .25s var(--ease), background .25s var(--ease);
}

.scrolled .lang-switch button {
    color: var(--muted);
}

.lang-switch button:hover {
    color: var(--brand);
}

.lang-switch button.active {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255, 77, 109, .35);
}

/* ===================================================================
   CTA contact line + footer company / address
   =================================================================== */
.cta-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 22px;
    font-size: .92rem;
    color: rgba(255, 255, 255, .72);
}

.cta-contact a {
    color: #fff;
    font-weight: 600;
    transition: color .25s var(--ease);
}

.cta-contact a:hover {
    color: var(--brand);
}

.cta-contact .dot {
    color: var(--brand);
}

.footer-company {
    margin-top: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, .92);
    letter-spacing: .01em;
}

.footer-tagline {
    margin-top: 8px;
}

.footer-addr {
    display: block;
    color: rgba(255, 255, 255, .82);
    font-size: .96rem;
    padding: 7px 0;
    line-height: 1.5;
}

/* Korean typography preference */
html[data-lang="ko"] body {
    font-family: "Inter", "Noto Sans KR", system-ui, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

/* ===================================================================
   Language switcher — mobile placement
   =================================================================== */
@media (max-width: 720px) {
    .lang-switch {
        margin-top: 20px;
        align-self: flex-start;
        border-color: rgba(255, 255, 255, .28) !important;
        background: rgba(255, 255, 255, .06) !important;
    }

    .lang-switch button {
        color: #fff !important;
        font-size: .95rem;
        padding: 9px 16px;
    }

    .lang-switch button.active {
        color: #fff !important;
    }
}