/* =============================================
   091 株式会社サンプル屋根板金 — 空に、線を引く。
   スカイブルー × ガルバリウムグレー × 銅オレンジ
   ============================================= */

:root {
  --sky:        #1E5A8C;
  --sky-d:      #0D3B66;
  --sky-light:  #DDE9F2;
  --galva:      #2E2E2E;
  --galva-2:    #4A4A4A;
  --copper:     #C2723F;
  --copper-d:   #9F5A28;
  --verdigris:  #5B8A7D;
  --bg:         #F4F8FB;
  --bg-2:       #E9F1F7;
  --paper:      #FFFFFF;
  --ink:        #1A2535;
  --ink-2:      #34465E;
  --ink-3:      #5B6B83;
  --text:       #1A2535;
  --text-2:     #485466;
  --text-3:     #8590A8;
  --line:       rgba(26,37,53,0.12);
  --line-soft:  rgba(26,37,53,0.05);
  --ff-disp:    'DM Sans', 'Inter Tight', sans-serif;
  --ff-sans:    'Inter Tight', 'Noto Sans JP', sans-serif;
  --ff-jp:      'Noto Sans JP', sans-serif;
  --shadow-md:  0 12px 30px rgba(26,37,53,0.08);
  --shadow-lg:  0 28px 60px rgba(26,37,53,0.15);
}

* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--ff-jp); color: var(--text);
  background: var(--bg); line-height: 1.85;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
strong { font-weight: 700; }
.serif-it { font-family: 'Cormorant Garamond', serif; font-style: italic; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 32px; }

/* DEMO BAR */
#demo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26,37,53,0.96); backdrop-filter: blur(10px);
  padding: 7px 0;
}
.demo-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.7rem; color: rgba(244,248,251,0.5);
}
.demo-badge {
  font-size: 0.54rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  background: rgba(194,114,63,0.25); color: var(--copper);
  padding: 3px 10px;
}
.demo-link { color: var(--copper); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(244,248,251,0.35); font-size: 0.62rem; margin-left: 4px; }
@media(max-width:640px){ .demo-copy { display: none; } }

/* HEADER */
.site-header {
  position: fixed; top: 36px; left: 0; right: 0; z-index: 900;
  background: rgba(244,248,251,0.92); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.site-logo { display: inline-flex; flex-direction: column; line-height: 1.0; }
.site-logo .logo-en {
  font-family: var(--ff-disp); font-weight: 700; font-size: 1.32rem;
  letter-spacing: 0.04em; color: var(--ink);
}
.site-logo .logo-en .thin { font-weight: 300; color: var(--copper); }
.site-logo small {
  font-size: 0.6rem; letter-spacing: 0.18em; color: var(--text-3); margin-top: 4px;
  font-family: var(--ff-jp); font-weight: 500;
}
.header-nav { display: flex; align-items: center; gap: 26px; }
.header-nav a {
  font-family: var(--ff-sans); font-size: 0.84rem; font-weight: 500;
  color: var(--text-2); letter-spacing: 0.04em;
  transition: color .2s;
}
.header-nav a:hover { color: var(--sky); }
.header-cta {
  background: var(--sky); color: var(--paper) !important;
  padding: 11px 22px; font-weight: 600 !important; font-size: 0.82rem !important;
  letter-spacing: 0.06em;
  transition: background .2s, transform .2s;
}
.header-cta:hover { background: var(--copper); transform: translateY(-1px); }

.hamburger { display: none; padding: 8px; position: relative; z-index: 1100; }
.hamburger span,
.hamburger::before,
.hamburger::after {
  content: ""; display: block;
  width: 26px; height: 2px; background: var(--ink);
  margin: 6px 0; transition: transform .3s, opacity .3s;
}

/* HERO */
.hero {
  position: relative; padding: 200px 0 130px;
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(244,248,251,0.78) 0%, rgba(221,233,242,0.85) 100%);
}
.hero .container { position: relative; z-index: 2; }
.label-en {
  display: inline-block; font-family: var(--ff-sans); font-size: 0.74rem;
  font-weight: 700; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--copper); padding: 6px 14px; background: rgba(26,37,53,0.08);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(3rem, 8vw, 6.6rem); line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 0 36px; color: var(--ink);
}
.hero h1 .line { display: block; }
.hero h1 .hi {
  background: var(--sky); color: var(--paper); padding: 0 16px;
  display: inline-block; transform: skewX(-4deg);
}
.hero-lead {
  font-size: 1.02rem; line-height: 2; color: var(--ink-2);
  margin: 0 0 40px; max-width: 580px;
}
.hero-lead strong { color: var(--copper); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.btn-prim, .btn-sec {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 30px; font-family: var(--ff-sans);
  font-size: 0.92rem; font-weight: 600; letter-spacing: 0.04em;
  transition: transform .2s, background .2s, color .2s, box-shadow .2s;
}
.btn-prim { background: var(--sky); color: var(--paper); box-shadow: 0 4px 0 rgba(26,37,53,0.30); }
.btn-prim:hover { transform: translateY(-2px); box-shadow: 0 6px 0 rgba(26,37,53,0.30); background: var(--sky-d); }
.btn-sec { background: var(--paper); color: var(--ink); border: 1px solid var(--ink); }
.btn-sec:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-sans); font-weight: 600;
  color: var(--sky); font-size: 0.9rem; padding: 4px 0;
  border-bottom: 2px solid var(--copper); transition: color .2s, transform .2s;
}
.btn-link:hover { color: var(--copper); transform: translateX(4px); }
.hero-pills {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 28px;
}
.hero-pills li { font-size: 0.84rem; color: var(--ink-2); display: flex; align-items: baseline; gap: 10px; }
.hero-pills span {
  font-family: var(--ff-disp); font-size: 0.86rem; color: var(--copper); letter-spacing: 0.1em;
  padding-right: 12px; border-right: 1px solid var(--line);
}

.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  font-family: var(--ff-disp); font-size: 0.72rem;
  letter-spacing: 0.4em; color: var(--text-3);
  writing-mode: vertical-rl;
  animation: scroll-down 2.4s ease-in-out infinite;
}
@keyframes scroll-down {
  0%,100% { transform: translateX(-50%) translateY(0); opacity: .55; }
  50%     { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* SECTION */
.section { padding: 130px 0; position: relative; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 70px; }
.section-header .label-en {
  background: var(--ink); color: var(--copper); margin-bottom: 22px;
}
.section-header h2 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.25;
  color: var(--ink); margin: 0 0 18px;
}
.section-header h2 .hi {
  background: var(--sky); color: var(--paper); padding: 0 14px;
  display: inline-block; transform: skewX(-4deg);
}
.section-header p { font-size: 0.94rem; line-height: 2; color: var(--text-2); margin: 0; }

/* ABOUT */
.about-grid {
  display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 70px;
  align-items: center;
}
.about-photo { position: relative; aspect-ratio: 3/2; overflow: hidden; box-shadow: var(--shadow-lg); }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo-tag {
  position: absolute; bottom: -22px; left: -22px;
  background: var(--copper); color: var(--paper);
  padding: 16px 22px;
  font-family: var(--ff-disp); font-size: 0.92rem; line-height: 1; letter-spacing: 0.12em;
}
.about-photo-tag strong { font-family: var(--ff-disp); font-size: 2.4rem; display: block; margin-top: 4px; }
.about-text .label-en { color: var(--sky); background: rgba(30,90,140,0.10); margin-bottom: 20px; }
.about-text h2 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.4;
  color: var(--ink); margin: 0 0 28px;
}
.about-text h2 .hi { background: var(--sky); color: var(--paper); padding: 0 14px; display: inline-block; transform: skewX(-4deg); }
.about-text p { font-size: 0.96rem; line-height: 2; color: var(--text-2); margin: 0 0 22px; }

/* SERVICES */
.services { background: var(--ink); color: var(--paper); }
.services .section-header h2 { color: var(--paper); }
.services .section-header p { color: rgba(244,248,251,0.7); }
.services .section-header .label-en { background: var(--copper); color: var(--paper); }
.services-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.service-card {
  background: var(--galva); overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  border: 1px solid rgba(255,255,255,0.06);
}
.service-card:hover { transform: translateY(-6px); border-color: var(--copper); }
.service-img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity .3s, transform .6s; }
.service-card:hover .service-img img { opacity: 1; transform: scale(1.04); }
.service-num {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--ff-disp); font-weight: 700; font-size: 2.2rem; line-height: 1;
  color: var(--copper); text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.service-body { padding: 28px 24px; }
.service-tag {
  display: inline-block; font-family: var(--ff-disp);
  font-size: 0.74rem; letter-spacing: 0.18em; font-weight: 700;
  color: var(--copper); margin-bottom: 8px;
}
.service-body h3 {
  font-family: var(--ff-jp); font-weight: 700; font-size: 1.06rem;
  margin: 0 0 12px; color: var(--paper);
}
.service-body p { font-size: 0.82rem; line-height: 1.85; color: rgba(244,248,251,0.7); margin: 0; }

/* METRICS */
.metrics { background: var(--sky); padding: 70px 0; color: var(--paper); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metric { text-align: center; }
.m-num {
  display: block;
  font-family: var(--ff-disp); font-weight: 700; font-size: 4.4rem; line-height: 1;
  color: var(--paper); margin-bottom: 10px;
}
.m-num small { font-size: 0.42em; margin-left: 4px; color: rgba(244,248,251,0.85); }
.m-lbl { font-family: var(--ff-sans); font-size: 0.82rem; font-weight: 500; color: rgba(244,248,251,0.9); letter-spacing: 0.04em; }

/* WORKS */
.works { background: var(--bg-2); }
.works-wide {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px;
  align-items: center;
}
.works-wide > img {
  aspect-ratio: 16/9; object-fit: cover; box-shadow: var(--shadow-lg);
}
.works-caption {
  position: relative;
  padding-left: 30px;
}
.works-caption .serif-it {
  position: absolute; left: 0; top: -8px;
  font-size: 4rem; line-height: 0.8; color: var(--copper); opacity: 0.5;
}
.works-caption h3 {
  font-family: var(--ff-jp); font-weight: 700; font-size: 1.5rem;
  color: var(--ink); margin: 0 0 18px; line-height: 1.5;
}
.works-caption p { font-size: 0.94rem; line-height: 2; color: var(--text-2); margin: 0; }

/* PROCESS */
.process { padding: 130px 0; }
.process-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 80px; align-items: center;
}
.process-text .label-en { background: var(--sky-light); color: var(--sky-d); }
.process-text h2 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem); line-height: 1.4;
  color: var(--ink); margin: 14px 0 26px;
}
.process-text h2 .hi { background: var(--copper); color: var(--paper); padding: 0 14px; display: inline-block; transform: skewX(-4deg); }
.process-text p { font-size: 0.98rem; line-height: 2; color: var(--text-2); margin: 0 0 22px; }
.process-photo { aspect-ratio: 3/2; overflow: hidden; box-shadow: var(--shadow-lg); }
.process-photo img { width: 100%; height: 100%; object-fit: cover; }

/* STORY */
.story { background: var(--galva); color: var(--paper); }
.story-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 80px; align-items: center;
}
.story-text .label-en { background: var(--copper); color: var(--paper); margin-bottom: 22px; }
.story-text h2 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(2rem, 3.6vw, 2.8rem); line-height: 1.35;
  color: var(--paper); margin: 0 0 26px;
}
.story-text h2 .hi { background: var(--copper); color: var(--paper); padding: 0 14px; display: inline-block; transform: skewX(-4deg); }
.story-text p { font-size: 0.96rem; line-height: 2; color: rgba(244,248,251,0.85); margin: 0 0 22px; }
.story-sign {
  margin-top: 32px !important; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.18);
  font-family: 'Cormorant Garamond', serif; font-style: italic;
  color: var(--copper); font-size: 1.08rem !important;
}
.story-photo { aspect-ratio: 16/10; overflow: hidden; box-shadow: var(--shadow-lg); }
.story-photo img { width: 100%; height: 100%; object-fit: cover; }

/* NEWS */
.news-section { background: var(--bg); }
.news-list {
  max-width: 920px; margin: 0 auto;
  border-top: 1px solid var(--line);
}
.news-item {
  display: grid; grid-template-columns: 120px 100px 1fr; gap: 24px;
  align-items: center; padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .25s;
}
.news-item:hover { padding-left: 12px; }
.news-item:hover .news-ttl { color: var(--sky); }
.news-date {
  font-family: var(--ff-disp); font-weight: 600; font-size: 0.92rem; color: var(--sky); letter-spacing: 0.04em;
}
.news-cat {
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--paper);
  background: var(--copper); padding: 5px 12px;
  width: fit-content; justify-self: start;
}
.news-ttl { font-size: 0.92rem; color: var(--text); font-weight: 600; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--sky) 0%, var(--sky-d) 100%); color: var(--paper); padding: 130px 0; }
.cta-card { text-align: center; }
.cta-card .label-en { color: var(--paper); background: rgba(255,255,255,0.15); margin-bottom: 22px; }
.cta-card h2 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(2.2rem, 4.4vw, 3.6rem); line-height: 1.2;
  margin: 0 0 26px; color: var(--paper);
}
.cta-card h2 .hi { background: var(--copper); color: var(--paper); padding: 0 16px; display: inline-block; transform: skewX(-4deg); }
.cta-card p { font-size: 0.98rem; line-height: 1.95; color: rgba(244,248,251,0.92); margin: 0 0 36px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.cta-actions .btn-prim { background: var(--copper); color: var(--paper); }
.cta-actions .btn-prim:hover { background: var(--paper); color: var(--ink); }
.cta-actions .btn-sec { color: var(--paper); border-color: rgba(255,255,255,0.6); background: transparent; font-family: var(--ff-disp); font-weight: 700; }
.cta-actions .btn-sec:hover { background: var(--paper); color: var(--ink); }

/* FOOTER */
.site-footer { background: var(--galva); color: rgba(244,248,251,0.7); padding: 90px 0 40px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 60px;
  margin-bottom: 50px;
}
.footer-brand .logo-en {
  font-family: var(--ff-disp); font-weight: 700; font-size: 1.6rem;
  color: var(--paper); display: block; margin-bottom: 18px;
}
.footer-brand .logo-en .thin { font-weight: 300; color: var(--copper); }
.footer-brand p { font-size: 0.84rem; line-height: 1.9; margin: 0; }
.footer-nav strong, .footer-hours strong {
  display: block; font-family: var(--ff-disp); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.14em; color: var(--copper);
  margin-bottom: 18px;
}
.footer-nav ul { list-style: none; padding: 0; margin: 0; }
.footer-nav li { padding: 5px 0; }
.footer-nav a { font-size: 0.84rem; transition: color .2s; }
.footer-nav a:hover { color: var(--copper); }
.footer-hours dl { margin: 0; }
.footer-hours dt { font-family: var(--ff-disp); font-weight: 600; font-size: 0.74rem; color: var(--copper); letter-spacing: 0.12em; margin-top: 10px; }
.footer-hours dd { margin: 4px 0 0; font-size: 0.84rem; }
.footer-copy { padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.10); text-align: center; }
.footer-copy small { font-size: 0.72rem; color: rgba(244,248,251,0.4); letter-spacing: 0.08em; }

/* SUB PAGES */
.page-hero {
  padding: 200px 0 80px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line-soft);
}
.page-hero .label-en { background: var(--sky); color: var(--paper); }
.page-hero h1 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  margin: 14px 0; line-height: 1.25; color: var(--ink);
}
.page-hero p { font-size: 0.96rem; line-height: 1.95; color: var(--text-2); margin: 0; max-width: 700px; }

.form-section { padding: 110px 0; }
.contact-form {
  max-width: 720px; margin: 0 auto;
  background: var(--paper); padding: 50px 56px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.form-row { margin-bottom: 22px; }
.form-row label { display: block; font-family: var(--ff-sans); font-size: 0.82rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.form-row label .req { color: var(--copper); margin-left: 4px; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--line);
  font: inherit; font-size: 0.94rem; color: var(--text);
  background: var(--bg);
  font-family: var(--ff-jp);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { outline: 2px solid var(--sky); border-color: var(--sky); }
.form-row textarea { resize: vertical; min-height: 140px; }
.form-actions { text-align: center; margin-top: 36px; }
.form-actions button {
  background: var(--sky); color: var(--paper);
  padding: 18px 56px; font-family: var(--ff-disp); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.14em;
  transition: background .2s, transform .2s;
}
.form-actions button:hover { background: var(--copper); transform: translateY(-2px); }
.form-note { text-align: center; font-size: 0.76rem; color: var(--text-3); margin-top: 18px; }

.privacy-section, .news-list-page { padding: 90px 0 110px; }
.privacy-content { max-width: 800px; margin: 0 auto; }
.privacy-content h3 {
  font-family: var(--ff-jp); font-weight: 700;
  font-size: 1.18rem; color: var(--ink); margin: 36px 0 14px;
  padding-bottom: 10px; border-bottom: 2px solid var(--sky);
}
.privacy-content h3:first-child { margin-top: 0; }
.privacy-content p { font-size: 0.92rem; line-height: 1.95; color: var(--text-2); margin: 0 0 16px; }
.privacy-content ul { padding-left: 22px; }
.privacy-content li { font-size: 0.9rem; line-height: 1.95; color: var(--text-2); margin-bottom: 6px; }
.news-articles { max-width: 920px; margin: 0 auto; }
.news-article {
  display: block; padding: 24px 32px; background: var(--paper);
  border: 1px solid var(--line); margin-bottom: 14px;
  transition: transform .2s, border-color .2s;
}
.news-article:hover { transform: translateY(-3px); border-color: var(--sky); }
.news-article-meta { display: flex; gap: 14px; margin-bottom: 8px; align-items: center; }
.news-article h2 {
  font-family: var(--ff-jp); font-weight: 700; font-size: 1.06rem;
  color: var(--ink); margin: 0;
}

.news-detail { padding: 80px 0 100px; }
.news-detail-inner { max-width: 760px; margin: 0 auto; }
.news-detail header.meta { margin-bottom: 32px; padding-bottom: 22px; border-bottom: 2px solid var(--sky); }
.news-detail h1 {
  font-family: var(--ff-jp); font-weight: 900;
  font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.4; color: var(--ink);
  margin: 12px 0 0;
}
.news-detail .body p { font-size: 0.96rem; line-height: 2; color: var(--text); margin: 0 0 22px; }
.news-back { margin-top: 50px; text-align: center; }
.news-back a {
  display: inline-block; padding: 14px 32px;
  background: var(--sky); color: var(--paper); font-family: var(--ff-disp); font-weight: 600;
  letter-spacing: 0.1em; transition: background .2s;
}
.news-back a:hover { background: var(--copper); }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal[style*="--delay"] { transition-delay: var(--delay); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}
@media (max-width: 960px) {
  .about-grid,
  .story-grid,
  .process-grid,
  .works-wide { grid-template-columns: 1fr; gap: 50px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 90px 0; }
}
@media (max-width: 768px) {
  .header-nav {
    position: fixed; inset: 0;
    background: var(--bg); flex-direction: column;
    align-items: flex-start; justify-content: center;
    padding: 80px 32px; gap: 22px;
    transform: translateX(100%); transition: transform .4s;
    z-index: 1000;
  }
  .header-nav.is-open { transform: translateX(0); }
  .header-nav a { font-size: 1.1rem; }
  .hamburger { display: block; }
  .site-header.menu-active { background: var(--bg) !important; backdrop-filter: none !important; }
  .menu-active .hamburger span { opacity: 0; }
  .menu-active .hamburger::before { transform: translateY(8px) rotate(45deg); }
  .menu-active .hamburger::after { transform: translateY(-8px) rotate(-45deg); }
  .hero { padding: 150px 0 80px; min-height: auto; }
  .hero-scroll-hint { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; gap: 24px; }
  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .contact-form { padding: 36px 26px; }
  .about-photo-tag { left: 0; bottom: -18px; padding: 12px 16px; }
}