:root {
  --ink: #17110d;
  --paper: #f3eee7;
  --cream: #fbf7f1;
  --dark: #0c0907;
  --brown: #24150e;
  --copper: #c9783b;
  --orange: #e68a43;
  --muted: #756a62;
  --line: rgba(32, 21, 14, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif; word-break: keep-all; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
em { color: var(--copper); font-family: Georgia, "Times New Roman", serif; font-style: italic; font-weight: 400; }

.noise { position: fixed; inset: 0; pointer-events: none; z-index: 99; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
.site-header { height: 86px; padding: 0 clamp(24px, 5vw, 82px); position: absolute; inset: 0 0 auto; z-index: 20; color: #fff; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid rgba(255,255,255,.14); }
.brand { display: inline-flex; align-items: center; width: max-content; }
.brand-logo { display: block; width: 174px; height: auto; filter: invert(1); mix-blend-mode: screen; }
.brand-mark { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; gap: 3px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }
.brand-mark i { display: block; width: 2px; height: 7px; border-radius: 2px; background: var(--orange); }
.brand-mark i:nth-child(2) { height: 15px; }
.desktop-nav { display: flex; gap: clamp(28px, 3vw, 48px); font-size: 14px; color: rgba(255,255,255,.72); }
.desktop-nav a { transition: color .25s; }
.desktop-nav a:hover { color: #fff; }
.nav-cta { justify-self: end; padding: 12px 19px; border: 1px solid rgba(255,255,255,.3); border-radius: 99px; font-size: 13px; transition: .25s; }
.nav-cta:hover { background: #fff; color: var(--dark); }
.nav-cta span { margin-left: 12px; }
.menu-button, .mobile-menu { display: none; }

.hero { min-height: 760px; height: 100svh; position: relative; color: #fff; overflow: hidden; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(7,5,4,.98) 0%, rgba(7,5,4,.77) 34%, rgba(7,5,4,.05) 65%), linear-gradient(0deg, rgba(7,5,4,.7), transparent 28%), url("assets/sonic-coldbrew-hero.png"); background-size: cover; background-position: center; transform: scale(1.01); }
.hero-content { position: relative; z-index: 2; padding: 80px clamp(24px, 8vw, 140px) 0; max-width: 850px; }
.eyebrow, .kicker { font-size: 12px; letter-spacing: .2em; font-weight: 700; }
.eyebrow { color: rgba(255,255,255,.7); display: flex; align-items: center; gap: 12px; }
.eyebrow > span { width: 42px; height: 1px; background: var(--orange); }
.hero h1 { font-size: clamp(54px, 6.2vw, 96px); line-height: 1.08; letter-spacing: -.065em; margin: 28px 0 26px; font-weight: 600; }
.hero h1 em { letter-spacing: -.04em; }
.hero-copy { color: rgba(255,255,255,.68); font-size: clamp(15px, 1.25vw, 18px); line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 42px; }
.button { min-height: 54px; padding: 0 24px; border-radius: 2px; display: inline-flex; align-items: center; justify-content: center; gap: 38px; border: 0; cursor: pointer; font-weight: 700; font-size: 14px; transition: transform .25s, background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--orange); color: #17100c; }
.button.primary:hover { background: #f19a55; }
.text-link { display: inline-flex; gap: 11px; align-items: center; font-size: 14px; }
.play { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; font-style: normal; }
.hero-badge { position: absolute; z-index: 2; right: clamp(24px, 5vw, 80px); bottom: 58px; width: 132px; height: 132px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(13,9,7,.35); backdrop-filter: blur(8px); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.hero-badge span, .hero-badge small { letter-spacing: .18em; font-size: 8px; color: rgba(255,255,255,.62); }
.hero-badge strong { font: 48px/.95 Georgia, serif; font-weight: 400; color: var(--orange); margin: 4px 0; }
.scroll-cue { position: absolute; left: clamp(24px, 3vw, 56px); bottom: 44px; z-index: 2; display: flex; flex-direction: column; gap: 13px; align-items: center; }
.scroll-cue span { font-size: 8px; letter-spacing: .25em; writing-mode: vertical-lr; }
.scroll-cue i { height: 38px; width: 1px; background: linear-gradient(#fff, transparent); }

.section { padding: 120px clamp(24px, 7vw, 112px); }
.section-label { display: flex; align-items: center; gap: 16px; font-size: 10px; letter-spacing: .22em; font-weight: 700; color: var(--muted); margin-bottom: 80px; }
.section-label span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; color: var(--copper); letter-spacing: 0; }
.section-label.light { color: rgba(255,255,255,.5); }
.section-label.light span { border-color: rgba(255,255,255,.2); }
.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(70px, 10vw, 180px); }
.sticky-copy { align-self: start; position: sticky; top: 70px; }
.kicker { color: var(--copper); margin: 0 0 22px; }
.intro h2, .product h2, .benefits h2, .story h2, .catalog h2, .contact h2 { font-size: clamp(43px, 5vw, 72px); line-height: 1.16; letter-spacing: -.055em; margin: 0 0 30px; font-weight: 600; }
.sticky-copy > p:last-child, .product-copy > p, .benefit-heading > p, .story-content > p:last-child, .contact-copy > p:last-child { color: var(--muted); line-height: 1.9; max-width: 520px; font-size: 16px; }
.process-list { border-top: 1px solid var(--line); }
.process-card { min-height: 220px; display: grid; grid-template-columns: 48px 82px 1fr; grid-template-rows: 1fr 1fr; gap: 0 24px; align-items: center; border-bottom: 1px solid var(--line); padding: 30px 0; }
.process-card .step { grid-row: 1 / 3; align-self: start; padding-top: 10px; color: var(--copper); font-size: 11px; }
.process-card h3 { align-self: end; margin: 0 0 8px; font-size: 24px; letter-spacing: -.04em; }
.process-card h3 small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: 0; }
.process-card p { align-self: start; margin: 0; color: var(--muted); line-height: 1.65; font-size: 14px; }
.wave-icon, .drop-icon, .cup-icon { grid-row: 1 / 3; width: 75px; height: 75px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #e9e1d8; color: var(--copper); }
.wave-icon { gap: 5px; }
.wave-icon i { width: 2px; height: 17px; background: currentColor; border-radius: 2px; }
.wave-icon i:nth-child(2), .wave-icon i:nth-child(4) { height: 28px; }
.wave-icon i:nth-child(3) { height: 40px; }
.drop-icon:before { content: ""; width: 21px; height: 29px; border: 2px solid currentColor; border-radius: 60% 40% 62% 38% / 70% 40% 60% 30%; transform: rotate(45deg); }
.cup-icon:before { content: ""; width: 27px; height: 28px; border: 2px solid currentColor; border-top: 0; border-radius: 0 0 7px 7px; }
.cup-icon i { width: 9px; height: 14px; border: 2px solid currentColor; border-left: 0; border-radius: 0 8px 8px 0; margin-left: -1px; }

.product { position: relative; overflow: hidden; background: var(--dark); color: #fff; }
.product-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(50px, 7vw, 110px); }
.product-visual { position: relative; min-height: 570px; display: flex; align-items: center; }
.product-visual img { width: 100%; height: 570px; object-fit: cover; object-position: 70% center; filter: contrast(1.03); }
.concept-tag { position: absolute; left: 14px; bottom: 14px; font-size: 8px; letter-spacing: .18em; color: rgba(255,255,255,.48); background: rgba(0,0,0,.4); padding: 8px 10px; }
.product-copy { position: relative; z-index: 2; }
.product-copy > p { color: rgba(255,255,255,.55); }
.specs { margin: 38px 0; border-top: 1px solid rgba(255,255,255,.15); }
.specs div { display: flex; justify-content: space-between; align-items: center; min-height: 62px; border-bottom: 1px solid rgba(255,255,255,.15); }
.specs dt { color: rgba(255,255,255,.45); font-size: 13px; }
.specs dd { margin: 0; font-size: 14px; }
.specs strong { font: 30px Georgia, serif; color: var(--orange); font-weight: 400; margin-right: 5px; }
.button.outline { color: #fff; border: 1px solid rgba(255,255,255,.3); background: transparent; }
.button.outline:hover { background: #fff; color: var(--dark); }
.product-orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(202,120,59,.13); pointer-events: none; }
.orbit-one { width: 700px; height: 700px; left: -180px; bottom: -300px; }
.orbit-two { width: 520px; height: 520px; left: -90px; bottom: -210px; }

.benefits { background: var(--cream); }
.benefit-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; margin-bottom: 70px; }
.benefit-heading h2 { margin-bottom: 0; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-card { padding: 38px clamp(18px, 3vw, 45px) 48px; min-height: 300px; border-right: 1px solid var(--line); }
.benefit-card:first-child { padding-left: 0; }
.benefit-card:last-child { border-right: 0; padding-right: 0; }
.benefit-card > span { font: 26px Georgia, serif; color: var(--copper); }
.benefit-line { margin: 32px 0 58px; height: 36px; position: relative; overflow: hidden; }
.benefit-line:after { content: ""; position: absolute; left: 0; right: 0; top: 17px; height: 1px; background: repeating-linear-gradient(90deg, var(--copper) 0 2px, transparent 2px 7px); }
.benefit-line:before { content: ""; width: 8px; height: 8px; background: var(--copper); border-radius: 50%; position: absolute; left: 35%; top: 13px; box-shadow: 0 0 0 7px rgba(201,120,59,.12); z-index: 1; }
.benefit-card h3 { font-size: 22px; margin: 0 0 13px; }
.benefit-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }

.story { position: relative; background: #1b100b; color: #fff; overflow: hidden; min-height: 650px; }
.story-wave { position: absolute; inset: -20%; opacity: .5; background: repeating-radial-gradient(ellipse at 84% 50%, transparent 0 40px, rgba(208,121,56,.12) 42px 43px, transparent 44px 58px); }
.story-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; text-align: center; }
.story-content > p:last-child { margin: 0 auto; color: rgba(255,255,255,.56); }
.marquee { position: absolute; bottom: 0; left: 0; width: max-content; display: flex; font: italic 72px Georgia, serif; color: rgba(255,255,255,.055); white-space: nowrap; animation: marquee 26s linear infinite; }
@keyframes marquee { to { transform: translateX(-50%); } }

.catalog { background: var(--cream); }
.catalog-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; margin-bottom: 62px; }
.catalog-heading h2 { margin-bottom: 0; }
.catalog-heading > p { color: var(--muted); line-height: 1.9; max-width: 520px; font-size: 16px; }
.catalog-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.catalog-card { min-height: 230px; padding: 38px 0; display: grid; grid-template-columns: 90px 1fr auto; gap: clamp(20px, 3vw, 44px); align-items: center; }
.catalog-card:first-child { padding-right: clamp(24px, 4vw, 64px); border-right: 1px solid var(--line); }
.catalog-card:last-child { padding-left: clamp(24px, 4vw, 64px); }
.catalog-language { width: 78px; height: 98px; border: 1px solid var(--copper); display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--copper); }
.catalog-language span { font: 34px/1 Georgia, serif; }
.catalog-language small { margin-top: 9px; font-size: 7px; letter-spacing: .18em; }
.catalog-copy p { margin: 0 0 8px; color: var(--copper); font-size: 9px; letter-spacing: .14em; }
.catalog-copy h3 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.04em; }
.catalog-copy > span { color: var(--muted); font-size: 11px; }
.catalog-download { align-self: end; display: inline-flex; align-items: center; gap: 18px; padding-bottom: 7px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; white-space: nowrap; transition: color .2s, border-color .2s; }
.catalog-download i { font-style: normal; color: var(--copper); font-size: 17px; }
.catalog-download:hover { color: var(--copper); border-color: var(--copper); }

.contact { background: var(--paper); display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(60px, 10vw, 160px); }
.eyebrow.dark { color: var(--muted); }
.contact-form { padding-top: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-form label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 25px; }
.contact-form input, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid #b8ada4; background: transparent; padding: 12px 0; color: var(--ink); outline: none; resize: vertical; transition: border-color .2s; border-radius: 0; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--copper); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #aaa097; }
.form-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.check { display: flex !important; align-items: center; gap: 8px; cursor: pointer; margin: 0 !important; }
.check input { position: absolute; opacity: 0; width: 1px; }
.check span { width: 17px; height: 17px; border: 1px solid #9b8f86; position: relative; }
.check input:checked + span { background: var(--copper); border-color: var(--copper); }
.check input:checked + span:after { content: "✓"; color: #fff; position: absolute; inset: -1px 0 0; text-align: center; font-size: 12px; }
.button.submit { background: var(--ink); color: #fff; }
.form-status { color: #b34838; min-height: 20px; font-size: 12px; text-align: right; }

footer { background: #080604; color: rgba(255,255,255,.52); min-height: 220px; padding: 56px clamp(24px, 7vw, 112px) 30px; display: grid; grid-template-columns: 1fr 1fr auto; align-items: start; gap: 18px; }
.footer-brand { color: #fff; }
.footer-info { justify-self: center; font-size: 12px; line-height: 1.8; }
.footer-info p { margin: 0; }
.footer-info span { display: inline-block; min-width: 68px; color: rgba(255,255,255,.78); font-weight: 600; }
.footer-info a { color: inherit; transition: color .2s; }
.footer-info a:hover { color: #fff; }
.to-top { width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center; border-radius: 50%; color: #fff; }
footer small { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; font-size: 9px; letter-spacing: .14em; }

.inquiry-dialog { width: min(480px, calc(100% - 32px)); border: 0; border-radius: 3px; padding: 48px; text-align: center; background: var(--cream); color: var(--ink); box-shadow: 0 24px 90px rgba(0,0,0,.45); }
.inquiry-dialog::backdrop { background: rgba(8,5,3,.75); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; right: 18px; top: 14px; border: 0; background: none; font-size: 28px; cursor: pointer; }
.dialog-icon { margin: 0 auto 20px; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: #e9d6c6; color: var(--copper); }
.inquiry-dialog h2 { font-size: 25px; margin: 0 0 14px; }
.inquiry-dialog p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.dialog-ok { margin: 18px auto 0; min-width: 130px; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.65,.25,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .nav-cta { display: none; }
  .menu-button { display: flex; width: 44px; height: 44px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 7px; padding: 10px; z-index: 3; }
  .menu-button span { height: 1px; background: #fff; width: 24px; transition: .25s; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu { position: fixed; inset: 0; background: rgba(10,7,5,.98); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 30px; font-size: 28px; opacity: 0; visibility: hidden; transition: .25s; }
  .mobile-menu.open { opacity: 1; visibility: visible; }
  .hero-bg { background-image: linear-gradient(90deg, rgba(7,5,4,.98), rgba(7,5,4,.4)), linear-gradient(0deg, rgba(7,5,4,.75), transparent 55%), url("assets/sonic-coldbrew-hero.png"); background-position: 58% center; }
  .hero-content { max-width: 730px; }
  .hero-badge { right: 28px; }
  .intro-grid, .product-grid, .contact { grid-template-columns: 1fr; }
  .sticky-copy { position: static; }
  .product-grid { gap: 30px; }
  .product-visual { min-height: 440px; }
  .product-visual img { height: 440px; }
  .benefit-heading { grid-template-columns: 1fr; }
  .catalog-heading { grid-template-columns: 1fr; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card:first-child { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .catalog-card:last-child { padding-left: 0; }
}

@media (max-width: 640px) {
  .site-header { height: 70px; }
  .brand-logo { width: 148px; }
  .hero { min-height: 700px; }
  .hero-bg { background-position: 64% center; }
  .hero-content { padding-top: 50px; }
  .hero h1 { font-size: 47px; }
  .hero-copy br { display: none; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 22px; margin-top: 32px; }
  .hero-badge { width: 102px; height: 102px; bottom: 30px; }
  .hero-badge strong { font-size: 36px; }
  .scroll-cue { display: none; }
  .section { padding: 86px 24px; }
  .section-label { margin-bottom: 55px; }
  .intro h2, .product h2, .benefits h2, .story h2, .catalog h2, .contact h2 { font-size: 39px; }
  .process-card { grid-template-columns: 36px 65px 1fr; gap: 0 13px; min-height: 190px; }
  .wave-icon, .drop-icon, .cup-icon { width: 60px; height: 60px; }
  .process-card h3 { font-size: 20px; }
  .product-visual { min-height: 350px; margin: 0 -24px; }
  .product-visual img { height: 350px; }
  .concept-tag { left: 10px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card, .benefit-card:first-child, .benefit-card:last-child { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); padding: 30px 0; }
  .benefit-card:last-child { border-bottom: 0; }
  .benefit-line { margin: 22px 0 34px; }
  .story { min-height: 600px; }
  .marquee { font-size: 48px; }
  .catalog-heading { margin-bottom: 42px; gap: 22px; }
  .catalog-card { min-height: 210px; grid-template-columns: 72px 1fr; gap: 20px; }
  .catalog-language { width: 64px; height: 84px; }
  .catalog-language span { font-size: 28px; }
  .catalog-download { grid-column: 2; justify-self: start; align-self: start; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .form-bottom { align-items: stretch; flex-direction: column; }
  .button.submit { width: 100%; }
  footer { grid-template-columns: 1fr auto; }
  .footer-info { grid-column: 1 / -1; grid-row: 2; justify-self: start; }
  .footer-info span { display: block; min-width: 0; margin-top: 8px; }
  .inquiry-dialog { padding: 42px 24px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
