/* =========================================================
   ARTHNITI — Professional Website Stylesheet
   Brand: Red #8B1A1A | Blue #1E3A6E | Orange #E8820C
   ========================================================= */

/* ── CSS Custom Properties ── */
:root {
  --red:       #8B1A1A;
  --red-light: #a82020;
  --red-dark:  #6a1313;
  --blue:      #1E3A6E;
  --blue-mid:  #2a4f9a;
  --blue-dark: #152d55;
  --orange:    #E8820C;
  --orange-d:  #c96f0a;
  --green:     #2e9e4f;
  --grey-bg:   #F4F6FA;
  --grey-line: #E0E4EC;
  --text:      #1a1a2e;
  --text-sub:  #5a6275;
  --white:     #ffffff;
  --shadow-s:  0 2px 10px rgba(0,0,0,0.08);
  --shadow-m:  0 6px 24px rgba(0,0,0,0.12);
  --shadow-l:  0 12px 40px rgba(0,0,0,0.16);
  --radius-s:  6px;
  --radius-m:  12px;
  --radius-l:  20px;
  --ease:      0.28s cubic-bezier(0.4,0,0.2,1);
  --max-w:     1180px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: var(--text); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img  { max-width: 100%; height: auto; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ── Layout ── */
.wrap    { width: min(92%, var(--max-w)); margin-inline: auto; }
.wrap-sm { width: min(92%, 800px); margin-inline: auto; }

/* ── Typography scale ── */
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.18; }
h2 { font-size: clamp(1.45rem, 3vw, 2.1rem);  font-weight: 700; line-height: 1.25; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem);  font-weight: 700; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 600; line-height: 1.4; }
p  { line-height: 1.7; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius-s);
  font-size: 0.95rem; font-weight: 600; border: 2px solid transparent;
  transition: var(--ease); cursor: pointer; white-space: nowrap;
}
.btn-red    { background: var(--red);   color: var(--white); border-color: var(--red); }
.btn-red:hover { background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(139,26,26,0.32); }
.btn-blue   { background: var(--blue);  color: var(--white); border-color: var(--blue); }
.btn-blue:hover { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(30,58,110,0.3); }
.btn-orange { background: var(--orange); color: var(--white); border-color: var(--orange); }
.btn-orange:hover { background: var(--orange-d); border-color: var(--orange-d); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(232,130,12,0.32); }
.btn-outline-w { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-w:hover { background: var(--white); color: var(--red); transform: translateY(-2px); }
.btn-outline-r { background: transparent; color: var(--red); border-color: var(--red); }
.btn-outline-r:hover { background: var(--red); color: var(--white); transform: translateY(-2px); }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn-sm { padding: 9px 20px; font-size: 0.87rem; }

/* ── Section ── */
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.bg-grey { background: var(--grey-bg); }
.bg-blue { background: var(--blue); }
.bg-red  { background: var(--red); }
.bg-dark { background: var(--blue-dark); }

/* ── Section Heading ── */
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head h2 { color: var(--blue); margin-bottom: 14px; }
.sec-head p  { color: var(--text-sub); font-size: 1.05rem; max-width: 580px; margin-inline: auto; }
.sec-head .bar { width: 60px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--orange), var(--red)); margin: 16px auto 0; }
.sec-head.left { text-align: left; }
.sec-head.left .bar { margin-left: 0; }

/* ── Cards grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 30px; }

/* ── Service Card ── */
.srv-card {
  background: var(--white); border-radius: var(--radius-m);
  padding: 32px 26px; box-shadow: var(--shadow-s);
  border: 1px solid var(--grey-line);
  transition: var(--ease); text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.srv-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-l); border-color: var(--orange); }
.srv-card .icon { width: 68px; height: 68px; border-radius: 14px; background: var(--grey-bg); display: flex; align-items: center; justify-content: center; font-size: 1.9rem; margin-bottom: 18px; transition: var(--ease); }
.srv-card:hover .icon { background: var(--red); transform: scale(1.08); }
.srv-card h3 { color: var(--blue); margin-bottom: 10px; font-size: 1.05rem; }
.srv-card p  { color: var(--text-sub); font-size: 0.88rem; line-height: 1.65; flex: 1; margin-bottom: 18px; }
.srv-card .link { color: var(--red); font-weight: 600; font-size: 0.87rem; display: inline-flex; align-items: center; gap: 6px; transition: var(--ease); }
.srv-card .link:hover { gap: 10px; color: var(--orange); }

/* ── Why Card ── */
.why-card {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 26px 22px; background: var(--white); border-radius: var(--radius-m);
  box-shadow: var(--shadow-s); border-left: 4px solid var(--orange);
  transition: var(--ease);
}
.why-card:hover { transform: translateX(6px); box-shadow: var(--shadow-m); }
.why-card .wicon { font-size: 1.9rem; flex-shrink: 0; color: var(--red); line-height: 1; }
.why-card h4 { color: var(--blue); margin-bottom: 6px; }
.why-card p  { color: var(--text-sub); font-size: 0.88rem; margin: 0; }

/* ── Testimonials ── */
.test-card { background: var(--white); border-radius: var(--radius-m); padding: 32px 28px; box-shadow: var(--shadow-m); position: relative; }
.test-card::before { content: '\201C'; position: absolute; top: 8px; left: 22px; font-size: 4.5rem; color: var(--orange); font-family: Georgia, serif; line-height: 1; opacity: 0.45; }
.test-card .stars { color: var(--orange); font-size: 0.85rem; letter-spacing: 1px; margin-bottom: 12px; padding-top: 22px; }
.test-card .quote { color: var(--text-sub); font-size: 0.92rem; line-height: 1.75; margin-bottom: 22px; }
.test-card .author { display: flex; align-items: center; gap: 14px; }
.avatar { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.05rem; color: var(--white); flex-shrink: 0; background: linear-gradient(135deg, var(--blue), var(--red)); }
.author-info h4 { color: var(--blue); font-size: 0.95rem; margin-bottom: 2px; }
.author-info span { color: var(--text-sub); font-size: 0.8rem; }

/* ── Stat Bar ── */
.stat-bar { background: var(--red); padding: 44px 0; }
.stats-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat-item h3 { font-size: clamp(2rem,4vw,2.8rem); font-weight: 800; color: var(--white); }
.stat-item p  { color: rgba(255,255,255,0.8); font-size: 0.88rem; margin-top: 4px; }

/* ── Process Steps ── */
.steps-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; }
.steps-row::before {
  content: ''; position: absolute;
  top: 38px; left: calc(12.5%); right: calc(12.5%);
  height: 3px; background: linear-gradient(90deg, var(--orange), var(--red));
  z-index: 0;
}
.step { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  font-size: 1.5rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  border: 5px solid var(--white); outline: 3px solid var(--orange);
  box-shadow: var(--shadow-m);
}
.step h4 { color: var(--blue); margin-bottom: 8px; }
.step p  { color: var(--text-sub); font-size: 0.85rem; }

/* ── Feature list ── */
.feat-list { padding: 0; }
.feat-list li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(--grey-line); font-size: 0.92rem; color: var(--text-sub); }
.feat-list li:last-child { border-bottom: none; }
.feat-list li::before { content: '✓'; color: var(--green); font-weight: 700; font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

/* ── Info Box ── */
.info-box { background: var(--grey-bg); border-radius: var(--radius-m); padding: 28px 26px; border-left: 4px solid var(--orange); }
.info-box h4 { color: var(--blue); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--grey-line); font-size: 0.98rem; }
.info-box ul li { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; font-size: 0.88rem; color: var(--text-sub); }
.info-box ul li::before { content: '▶'; color: var(--orange); font-size: 0.6rem; margin-top: 5px; flex-shrink: 0; }

/* ── Service Detail Layout ── */
.detail-layout { display: grid; grid-template-columns: 1fr 380px; gap: 48px; align-items: start; }
.detail-sidebar { display: flex; flex-direction: column; gap: 20px; }

/* ── Page Hero ── */
.page-hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 60%, #1a3a8e 100%);
  padding: 64px 0 52px; color: var(--white); position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,255,255,0.04); pointer-events: none;
}
.page-hero::after {
  content: ''; position: absolute; bottom: -80px; left: -40px;
  width: 250px; height: 250px; border-radius: 50%;
  background: rgba(232,130,12,0.06); pointer-events: none;
}
.page-hero .inner { position: relative; z-index: 1; }
.page-hero .badge { display: inline-block; background: rgba(232,130,12,0.2); color: var(--orange); border: 1px solid rgba(232,130,12,0.5); padding: 4px 14px; border-radius: 50px; font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 14px; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero p  { color: rgba(255,255,255,0.82); font-size: 1.05rem; max-width: 560px; margin-bottom: 24px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.82rem; color: rgba(255,255,255,0.6); flex-wrap: wrap; }
.breadcrumb a    { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { color: rgba(255,255,255,0.4); }

/* ── Home Hero ── */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 45%, var(--blue-mid) 100%);
  padding: 88px 0 72px; color: var(--white); position: relative; overflow: hidden;
  min-height: 580px; display: flex; align-items: center;
}
.hero::before { content: ''; position: absolute; top: -100px; right: -100px; width: 500px; height: 500px; border-radius: 50%; background: rgba(255,255,255,0.03); }
.hero::after  { content: ''; position: absolute; bottom: -120px; left: -60px;  width: 400px; height: 400px; border-radius: 50%; background: rgba(232,130,12,0.06); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: rgba(232,130,12,0.18); color: var(--orange); border: 1px solid rgba(232,130,12,0.45); padding: 5px 16px; border-radius: 50px; font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { margin-bottom: 18px; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero .sub  { color: rgba(255,255,255,0.82); font-size: 1.06rem; margin-bottom: 34px; max-width: 480px; }
.hero-cards { display: flex; flex-direction: column; gap: 14px; }
.hero-card {
  background: rgba(255,255,255,0.08); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-m);
  padding: 18px 22px; display: flex; align-items: center; gap: 16px;
  transition: var(--ease);
}
.hero-card:hover { background: rgba(255,255,255,0.14); transform: translateX(6px); }
.hc-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--orange); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.hc-text h4 { font-size: 0.95rem; margin-bottom: 3px; }
.hc-text p  { font-size: 0.8rem; color: rgba(255,255,255,0.68); margin: 0; }

/* ── CTA Banner ── */
.cta-banner { background: linear-gradient(135deg, var(--red) 0%, #b82222 100%); padding: 72px 0; text-align: center; }
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p  { color: rgba(255,255,255,0.84); max-width: 520px; margin: 0 auto 32px; font-size: 1.05rem; }

/* ── About Page ── */
.about-visual {
  background: linear-gradient(145deg, var(--blue) 0%, var(--blue-mid) 100%);
  border-radius: var(--radius-l); padding: 44px 36px; color: var(--white); text-align: center;
}
.about-visual .big  { font-size: 3rem; font-weight: 800; color: var(--orange); line-height: 1; }
.about-visual .sub2 { color: rgba(255,255,255,0.75); margin-top: 6px; font-size: 0.9rem; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.a-stat { background: rgba(255,255,255,0.1); border-radius: var(--radius-s); padding: 16px; }
.a-stat h4 { font-size: 1.6rem; color: var(--orange); font-weight: 800; }
.a-stat p  { font-size: 0.76rem; color: rgba(255,255,255,0.7); margin: 2px 0 0; }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.vm-card { border-radius: var(--radius-m); padding: 34px 28px; }
.vm-card.v { background: var(--blue); color: var(--white); }
.vm-card.m { background: var(--red); color: var(--white); }
.vm-card h3 { margin-bottom: 16px; }
.vm-card p, .vm-card li { color: rgba(255,255,255,0.85); font-size: 0.92rem; line-height: 1.7; }
.vm-card ul li { display: flex; gap: 10px; margin-bottom: 10px; }
.vm-card ul li::before { content: '›'; color: var(--orange); font-size: 1.2rem; line-height: 1; flex-shrink: 0; }
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.val-card { background: var(--white); border-radius: var(--radius-m); padding: 28px 22px; text-align: center; box-shadow: var(--shadow-s); border-top: 4px solid var(--orange); }
.val-card .vicon { font-size: 2.1rem; margin-bottom: 12px; }
.val-card h4 { color: var(--blue); margin-bottom: 8px; }
.val-card p  { color: var(--text-sub); font-size: 0.85rem; margin: 0; }

/* ── Contact Page ── */
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.c-info h3 { color: var(--blue); margin-bottom: 22px; }
.c-info .desc { color: var(--text-sub); margin-bottom: 28px; line-height: 1.75; }
.c-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--grey-bg); border-radius: var(--radius-m); margin-bottom: 14px; border-left: 4px solid var(--orange); }
.c-item .cicon { font-size: 1.5rem; flex-shrink: 0; color: var(--red); }
.c-item h4 { color: var(--blue); margin-bottom: 4px; font-size: 0.95rem; }
.c-item p, .c-item a { color: var(--text-sub); font-size: 0.9rem; line-height: 1.5; }
.c-item a:hover { color: var(--red); }
.form-box { background: var(--white); border-radius: var(--radius-l); padding: 40px; box-shadow: var(--shadow-m); border: 1px solid var(--grey-line); }
.form-box h3 { color: var(--blue); margin-bottom: 28px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.f-group { margin-bottom: 18px; }
.f-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.f-group input, .f-group select, .f-group textarea {
  width: 100%; padding: 12px 15px; border: 1.5px solid var(--grey-line);
  border-radius: var(--radius-s); font-size: 0.93rem; font-family: inherit;
  color: var(--text); background: var(--white); transition: var(--ease);
}
.f-group input:focus, .f-group select:focus, .f-group textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(139,26,26,0.1);
}
.f-group textarea { height: 130px; resize: vertical; }
.form-ok { display: none; background: #e6f9ed; border: 1.5px solid var(--green); color: var(--green); border-radius: var(--radius-s); padding: 14px; text-align: center; font-weight: 600; margin-top: 12px; font-size: 0.92rem; }

/* ── Tag ── */
.tag { display: inline-block; background: rgba(139,26,26,0.09); color: var(--red); padding: 3px 10px; border-radius: 4px; font-size: 0.78rem; font-weight: 600; margin: 3px; }

/* ── Map Strip ── */
.map-strip { background: var(--grey-bg); padding: 52px 0; text-align: center; border-top: 3px solid var(--orange); }
.map-strip h3 { color: var(--blue); margin-bottom: 10px; }
.map-strip p  { color: var(--text-sub); margin-bottom: 22px; }

/* ══════════════════════════════════════════
   HEADER
══════════════════════════════════════════ */
.topbar { background: var(--blue-dark); padding: 7px 0; font-size: 0.8rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; color: rgba(255,255,255,0.78); }
.topbar a { color: rgba(255,255,255,0.78); transition: var(--ease); }
.topbar a:hover { color: var(--orange); }
.topbar-right { display: flex; gap: 18px; }

.site-header { background: var(--white); box-shadow: 0 2px 16px rgba(0,0,0,0.09); position: sticky; top: 0; z-index: 900; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 24px; }
.logo-link img { height: 56px; width: auto; }

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a { padding: 9px 13px; border-radius: var(--radius-s); font-size: 0.9rem; font-weight: 500; color: var(--text); transition: var(--ease); white-space: nowrap; }
.main-nav > a:hover, .main-nav > a.active { color: var(--red); background: rgba(139,26,26,0.07); }

/* Dropdown — JS-controlled (.drop-open class), no pure-CSS hover gap bug */
.has-drop { position: relative; }
.has-drop > a { display: flex; align-items: center; gap: 5px; padding: 9px 13px; border-radius: var(--radius-s); font-size: 0.9rem; font-weight: 500; color: var(--text); transition: var(--ease); white-space: nowrap; cursor: pointer; }
.has-drop > a::after { content: ''; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); display: inline-block; flex-shrink: 0; transition: var(--ease); }
.has-drop.drop-open > a { color: var(--red); background: rgba(139,26,26,0.07); }
.has-drop.drop-open > a::after { transform: rotate(-135deg) translateY(-2px); }

.drop-menu {
  /* padding-top bridges the visual gap — keeps hover alive while moving mouse down */
  display: none;
  position: absolute; top: 100%; left: 0;
  padding-top: 10px;
  background: transparent;
  min-width: 230px; z-index: 1000;
}
.has-drop.drop-open .drop-menu { display: block; }

/* actual visible card inside the padded wrapper */
.drop-menu-inner {
  background: var(--white); border-radius: var(--radius-m);
  box-shadow: var(--shadow-l); border: 1px solid var(--grey-line);
  padding: 8px 0; overflow: hidden;
}
.drop-menu a { display: block; padding: 10px 20px; font-size: 0.87rem; color: var(--text); transition: var(--ease); }
.drop-menu a:hover { background: var(--grey-bg); color: var(--red); padding-left: 26px; }
.drop-sep { padding: 4px 20px; font-size: 0.72rem; color: var(--text-sub); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* Header CTA */
.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.hdr-phone { text-align: right; }
.hdr-phone .label { font-size: 0.72rem; color: var(--text-sub); display: block; }
.hdr-phone a { font-weight: 700; color: var(--blue); font-size: 0.94rem; }
.hdr-phone a:hover { color: var(--red); }

/* Hamburger */
.hamburger { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: none; border: 1.5px solid var(--grey-line); border-radius: var(--radius-s); flex-shrink: 0; }
.hamburger span { display: block; width: 20px; height: 2.5px; background: var(--text); border-radius: 2px; transition: var(--ease); }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile Nav overlay — z-index MUST be above sticky header (900) */
.mobile-nav-overlay {
  visibility: hidden;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1100;
  opacity: 0;
  transition: opacity var(--ease), visibility var(--ease);
}
.mobile-nav-overlay.open {
  visibility: visible;
  opacity: 1;
}
.mobile-nav-panel {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: min(300px, 88%);
  background: var(--white);
  z-index: 1200;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 4px 0 32px rgba(0,0,0,0.22);
  padding-bottom: 40px;
}
.mobile-nav-panel.open { transform: translateX(0); }
.mob-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--grey-line); }
.mob-header img { height: 44px; }
.mob-close { width: 34px; height: 34px; border: 1.5px solid var(--grey-line); border-radius: 50%; background: none; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; color: var(--text); }
.mob-nav { padding: 12px 0; }
.mob-nav a { display: flex; align-items: center; padding: 12px 22px; font-size: 0.95rem; color: var(--text); border-bottom: 1px solid rgba(0,0,0,0.05); transition: var(--ease); font-weight: 500; }
.mob-nav a:hover, .mob-nav a.active { color: var(--red); background: rgba(139,26,26,0.05); }
.mob-nav .mob-group-label { padding: 14px 22px 6px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-sub); background: var(--grey-bg); }
.mob-nav .mob-sub a { padding-left: 36px; font-size: 0.88rem; color: var(--text-sub); }
.mob-nav .mob-sub a::before { content: '› '; color: var(--orange); font-weight: 700; }
.mob-cta { padding: 20px 22px; }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.site-footer { background: #0c1a35; color: rgba(255,255,255,0.8); }
.footer-body { padding: 60px 0 44px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 44px; }
.ft-brand .logo-link img { height: 50px; filter: brightness(0) invert(1); margin-bottom: 18px; }
.ft-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.75; margin-bottom: 20px; }
.social-row { display: flex; gap: 10px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--white); transition: var(--ease); border: 1px solid rgba(255,255,255,0.12);
}
.social-row a:hover { background: var(--orange); border-color: var(--orange); transform: translateY(-3px); }
.ft-col h5 { color: var(--white); font-size: 0.95rem; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid var(--orange); display: inline-block; }
.ft-col ul li { margin-bottom: 10px; }
.ft-col ul li a { font-size: 0.87rem; color: rgba(255,255,255,0.65); display: flex; align-items: center; gap: 7px; transition: var(--ease); }
.ft-col ul li a::before { content: '›'; color: var(--orange); font-size: 1rem; flex-shrink: 0; }
.ft-col ul li a:hover { color: var(--orange); padding-left: 4px; }
.ft-contact li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.ft-contact .fi { color: var(--orange); font-size: 1.05rem; margin-top: 2px; flex-shrink: 0; }
.ft-contact span, .ft-contact a { font-size: 0.87rem; color: rgba(255,255,255,0.65); line-height: 1.5; }
.ft-contact a:hover { color: var(--orange); }
.footer-bottom { background: #081224; padding: 16px 0; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom a { color: var(--orange); }
#footer-yr { color: var(--orange); }

/* Scroll to top */
#scrolltop { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; background: var(--red); color: var(--white); border: none; border-radius: 50%; font-size: 1.1rem; display: none; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(139,26,26,0.42); z-index: 800; transition: var(--ease); cursor: pointer; }
#scrolltop.show { display: flex; }
#scrolltop:hover { background: var(--red-dark); transform: translateY(-3px); }

/* ══════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
══════════════════════════════════════════ */

/* ── 1100px ── */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); gap: 36px; }
  .detail-layout { grid-template-columns: 1fr 340px; gap: 36px; }
  .hero-inner { gap: 40px; }
}

/* ── 900px ── */
@media (max-width: 900px) {
  .section { padding: 60px 0; }
  .section-sm { padding: 44px 0; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .steps-row { grid-template-columns: repeat(2,1fr); }
  .steps-row::before { display: none; }
  .vm-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { grid-row: 1; }
  .contact-layout { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .about-visual { max-width: 420px; }
  .grid-2.why { grid-template-columns: 1fr; }
}

/* ── 768px (Mobile) ── */
@media (max-width: 768px) {
  /* Nav → mobile panel */
  .hamburger    { display: flex; }
  .main-nav     { display: none; }
  .header-cta .btn   { display: none; }
  .hdr-phone    { display: none; }
  .topbar-right { display: none; }

  .hero { min-height: auto; padding: 60px 0 50px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-cards { display: none; }

  .stats-row { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .grid-3    { grid-template-columns: 1fr; }
  .grid-4    { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .f-row { grid-template-columns: 1fr; }
  .form-box { padding: 28px 22px; }
  .sec-head { margin-bottom: 36px; }
  .sec-head h2 { font-size: clamp(1.3rem,4.5vw,1.8rem); }
  .hero h1 { font-size: clamp(1.6rem,5vw,2.2rem); }
  .steps-row { grid-template-columns: 1fr; gap: 28px; }
  .cta-banner { padding: 52px 0; }
  .topbar-inner { justify-content: center; text-align: center; font-size: 0.77rem; }
}

/* ── 480px (Small mobile) ── */
@media (max-width: 480px) {
  .btn { padding: 12px 20px; font-size: 0.88rem; }
  .btn-group { flex-direction: column; align-items: flex-start; }
  .btn-group.center { align-items: center; }
  .hero .btn-group { flex-direction: row; flex-wrap: wrap; }
  .grid-4 { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .stats-row  { grid-template-columns: 1fr 1fr; }
  .vm-grid { grid-template-columns: 1fr; }
  #scrolltop { bottom: 16px; right: 16px; width: 40px; height: 40px; }
  .page-hero { padding: 48px 0 38px; }
  .section { padding: 48px 0; }
}

/* ── Utility ── */
.text-center { text-align: center; }
.text-red    { color: var(--red) !important; }
.text-blue   { color: var(--blue) !important; }
.text-orange { color: var(--orange) !important; }
.text-sub    { color: var(--text-sub); }
.fw-700      { font-weight: 700; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-20 { gap: 20px; }