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

:root {
  --navy-950: #04060d;
  --navy-900: #070a17;
  --navy-800: #0a0e22;
  --navy-700: #0f1530;
  --navy-600: #161d40;
  --gold: #cc9f52;
  --gold-light: #ecd49b;
  --gold-dark: #8f6c33;
  --gold-line: rgba(204, 159, 82, 0.35);
  --cream: #f8f6f1;
  --ink: #14172a;
  --text-muted: #8891b3;
  --text-soft: #c7cce0;
  --white: #ffffff;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 20px 50px -20px rgba(6, 10, 30, 0.35);
  --shadow-gold: 0 15px 35px -12px rgba(201, 168, 106, 0.45);
  --ff-serif: 'Playfair Display', Georgia, serif;
  --ff-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-gold { color: var(--gold); }

h1, h2, h3 { font-family: var(--ff-serif); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Progress bar ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  z-index: 1100; transition: width .1s linear;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--navy-950);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -12px rgba(201,168,106,.55); }
.btn-ghost {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.28);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); transform: translateY(-3px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: padding .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(4, 6, 13, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px -15px rgba(0,0,0,0.6);
  border-bottom: 1px solid var(--gold-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  color: var(--gold-light);
  border: 1.5px solid rgba(204,159,82,0.55); border-radius: 50%;
  flex-shrink: 0;
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title {
  font-family: var(--ff-serif); font-weight: 600; font-size: 1.05rem; color: var(--white);
  white-space: nowrap;
}
.brand-sub {
  font-size: 0.62rem; letter-spacing: 0.14em; color: var(--gold-light); font-weight: 600;
  white-space: nowrap;
}

.main-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; flex-shrink: 1; min-width: 0; }
.main-nav a {
  color: var(--text-soft); font-size: 0.9rem; font-weight: 500;
  position: relative; padding: 4px 0; transition: color .2s var(--ease);
}
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px;
  background: var(--gold); transition: width .25s var(--ease);
}
.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-actions .btn { flex-shrink: 0; white-space: nowrap; }

.lang-switch {
  display: flex; flex-shrink: 0; gap: 4px;
  background: rgba(255,255,255,0.06); border-radius: 999px; padding: 4px;
}
.lang-btn {
  padding: 6px 12px; border-radius: 999px; font-size: 0.75rem; font-weight: 700;
  color: var(--text-muted); letter-spacing: 0.03em; transition: all .2s var(--ease);
}
.lang-btn.active, .lang-btn:hover { background: var(--gold); color: var(--navy-950); }

[dir="rtl"] .main-nav { margin-left: 0; margin-right: auto; }

.menu-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 34px; height: 34px; flex-shrink: 0;
}
.menu-toggle span { width: 100%; height: 2px; background: var(--white); border-radius: 2px; transition: all .3s var(--ease); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background: radial-gradient(ellipse at 20% 0%, var(--navy-700), var(--navy-900) 55%, var(--navy-950));
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35;
}
.glow-1 { width: 500px; height: 500px; background: var(--gold); top: -150px; right: -100px; opacity: 0.4; }
.glow-2 { width: 400px; height: 400px; background: var(--gold-dark); bottom: -150px; left: -100px; opacity: 0.16; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(201,168,106,0.1); border: 1px solid rgba(201,168,106,0.35);
  color: var(--gold-light); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  color: var(--white);
  margin-bottom: 22px;
}
.hero-title span { display: block; }

.hero-text { color: var(--text-soft); font-size: 1.05rem; max-width: 560px; margin-bottom: 16px; }
.hero-text:last-of-type { margin-bottom: 36px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--ff-serif); font-size: 2.1rem; font-weight: 700; color: var(--gold-light); }
.stat-label { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.03em; margin-top: 2px; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-logo-img {
  width: 100%; max-width: 380px; height: auto;
  filter: drop-shadow(0 25px 45px rgba(0,0,0,0.5));
}
.hero-card-shadow {
  position: absolute; bottom: -10px; left: 15%; right: 15%; height: 40px;
  background: var(--gold); filter: blur(50px); opacity: 0.22; z-index: -1;
}

.scroll-cue {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1.5px solid rgba(255,255,255,0.3); border-radius: 20px;
  z-index: 1;
}
.scroll-cue span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: var(--gold-light); border-radius: 2px;
  animation: scrollcue 1.8s infinite;
}
@keyframes scrollcue { 0% { opacity: 1; top: 8px; } 70% { opacity: 0; top: 22px; } 100% { opacity: 0; top: 22px; } }

/* ---------- Section head ---------- */
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head.light .section-kicker { color: var(--gold-light); }
.section-head.light h2 { color: var(--white); }
.section-head.light p { color: var(--text-soft); }
.section-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em;
  color: var(--gold-dark); text-transform: uppercase; margin-bottom: 14px;
}
.section-kicker::before, .section-kicker::after {
  content: ''; width: 22px; height: 1px; background: var(--gold);
}
.section-head.light .section-kicker::before, .section-head.light .section-kicker::after {
  background: var(--gold-light);
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--navy-900); margin-bottom: 16px; }
.section-head p { color: var(--text-muted); font-size: 1rem; }

/* ---------- Services ---------- */
.services { padding: 120px 0; background: var(--cream); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  position: relative;
  background: var(--white); border-radius: var(--radius-md); padding: 36px 28px;
  border: 1px solid rgba(20,23,42,0.06);
  border-top: 2px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.service-card::before {
  content: ''; position: absolute; top: -2px; left: 24px; right: 24px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: opacity .35s var(--ease);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px -20px rgba(20,23,42,0.18);
  border-color: var(--gold-line);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.15rem; color: var(--navy-900); margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Why us ---------- */
.why { padding: 120px 0; background: var(--white); }
.why-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 72px; align-items: center; }
.why-copy h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--navy-900); margin: 14px 0 18px; }
.why-copy > p { color: var(--text-muted); margin-bottom: 40px; max-width: 480px; }

.why-list { display: flex; flex-direction: column; gap: 28px; }
.why-list li { display: flex; gap: 18px; align-items: flex-start; }
.why-check {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--navy-950); font-weight: 800; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.why-list strong { display: block; color: var(--navy-900); font-size: 1.02rem; margin-bottom: 4px; }
.why-list p { color: var(--text-muted); font-size: 0.92rem; }

.why-visual { display: flex; flex-direction: column; gap: 14px; }

/* ---------- File / case cards ---------- */
.file-card {
  display: flex; flex-direction: column;
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(120,95,45,0.035) 0px, rgba(120,95,45,0.035) 1px, transparent 1px, transparent 7px),
    linear-gradient(160deg, #f9f4e6, #ede2c8);
  border: 1px solid rgba(120,95,45,0.22);
  border-radius: 12px;
  padding: 14px 20px 16px;
  box-shadow: 0 18px 40px -20px rgba(4,6,13,0.45), 0 1px 0 rgba(255,255,255,0.5) inset;
}
.file-card-offset { margin-left: 40px; }

.file-card-tab {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 8px; margin-bottom: 12px;
  border-bottom: 1px dashed rgba(120,95,45,0.35);
}
.file-card-tab-label {
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: #8a7245;
}
.file-card-tab-no {
  font-family: 'Courier New', monospace; font-size: 0.75rem; font-weight: 700;
  color: #6b5636; letter-spacing: 0.03em;
}

.file-card-main { display: flex; align-items: center; gap: 14px; }
.file-seal {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  background: radial-gradient(circle at 35% 28%, #fffaf0, #e7d9b6);
  border: 2px solid rgba(120,95,45,0.4);
  box-shadow: 0 6px 14px -6px rgba(0,0,0,0.35);
}
.file-card-title {
  flex: 1;
  font-family: var(--ff-serif); font-size: 1.15rem; font-weight: 600;
  color: var(--navy-900); min-height: 1.3em;
}
.file-card-title.typing::after {
  content: ''; display: inline-block; width: 2px; height: 1em;
  margin-left: 3px; background: var(--gold-dark);
  vertical-align: -0.15em; animation: twCursor .8s steps(1) infinite;
}
@keyframes twCursor { 50% { opacity: 0; } }

.file-stamp {
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
  width: 58px; height: 58px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-radius: 50%;
  color: rgba(140, 32, 32, 0.82);
  border: 1.5px solid currentColor;
  box-shadow:
    0 0 0 3px rgba(140,32,32,0.14),
    inset 0 0 0 1px rgba(140,32,32,0.3);
  background: radial-gradient(circle, rgba(140,32,32,0.06), transparent 72%);
  font-family: 'Courier New', monospace; font-size: 0.4rem; font-weight: 700;
  letter-spacing: 0.03em; text-transform: uppercase; text-align: center; line-height: 1.25;
  padding: 4px;
  transform: rotate(-9deg);
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(circle, #000 97%, transparent 100%);
}
.file-stamp::before {
  content: '\2605';
  font-size: 0.68rem; line-height: 1; margin-bottom: 2px;
}
.file-card:nth-of-type(2) .file-stamp { transform: rotate(7deg); }
.file-card:nth-of-type(3) .file-stamp { transform: rotate(-4deg); }

/* ---------- Languages ---------- */
.languages {
  padding: 120px 0;
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
  position: relative;
}
.lang-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.lang-card {
  background: rgba(204,159,82,0.045); border: 1px solid var(--gold-line);
  border-radius: var(--radius-md); padding: 20px 15px; text-align: center;
  transition: transform .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
}
.lang-card:hover { transform: translateY(-8px); background: rgba(204,159,82,0.09); border-color: rgba(204,159,82,0.55); }
.lang-flag { font-size: 2.6rem; display: block; margin-bottom: 18px; }
.lang-card h3 { color: var(--gold-light); font-size: 1.2rem; margin-bottom: 12px; }
.lang-card p { color: var(--text-soft); font-size: 0.9rem; }

/* ---------- Contact ---------- */
.contact { padding: 120px 0; background: var(--cream); }
.contact-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; }
.contact-info h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--navy-900); margin: 14px 0 16px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 40px; max-width: 440px; }

.contact-details { display: flex; flex-direction: column; gap: 22px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 18px; border-radius: var(--radius-sm); background: var(--white);
  border: 1px solid rgba(20,23,42,0.06);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
a.contact-item:hover { transform: translateX(6px); box-shadow: 0 12px 28px -14px rgba(20,23,42,0.2); }
.contact-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
  background: var(--navy-900); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong { display: block; font-size: 0.78rem; color: var(--text-muted); font-weight: 600; margin-bottom: 3px; }
.contact-item > span > span { color: var(--navy-900); font-weight: 600; font-size: 0.95rem; }

.contact-form {
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  border: 1px solid rgba(20,23,42,0.06); box-shadow: var(--shadow-soft);
}
.contact-form h3 { font-size: 1.3rem; color: var(--navy-900); margin-bottom: 26px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--navy-900); margin-bottom: 8px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px;
  border: 1.5px solid rgba(20,23,42,0.12); background: var(--cream);
  color: var(--ink); transition: border-color .2s var(--ease), background .2s var(--ease);
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--gold-dark); background: var(--white);
}
.form-row.error input, .form-row.error select { border-color: #d64545; }
.field-error { display: block; color: #d64545; font-size: 0.78rem; margin-top: 6px; min-height: 1em; }
.form-note { text-align: center; font-size: 0.78rem; color: var(--text-muted); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); padding: 80px 0 0; border-top: 1px solid var(--gold-line); }
.footer-inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 60px; border-bottom: 1px solid rgba(204,159,82,0.14);
}
.footer-brand p { font-family: var(--ff-serif); font-style: italic; color: var(--text-soft); margin-top: 18px; max-width: 280px; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.05em; margin-bottom: 18px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col span { color: var(--text-muted); font-size: 0.88rem; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { padding: 24px 0; text-align: center; color: var(--text-muted); font-size: 0.82rem; }

/* ---------- Floating buttons ---------- */
.whatsapp-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,0.6);
  animation: pulse 2.4s infinite;
}
.whatsapp-fab svg { width: 28px; height: 28px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.back-to-top {
  position: fixed; bottom: 28px; left: 28px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy-900); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .3s var(--ease);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top svg { width: 20px; height: 20px; }

.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--navy-950); color: var(--white); padding: 16px 26px; border-radius: 999px;
  font-size: 0.9rem; font-weight: 600; box-shadow: var(--shadow-soft);
  opacity: 0; visibility: hidden; transition: all .35s var(--ease); z-index: 1200;
  border: 1px solid rgba(201,168,106,0.4);
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .header-inner { gap: 16px; }
  .main-nav { gap: 20px; }
  .header-actions { gap: 12px; }
}

@media (max-width: 1125px) {
  .header-inner { gap: 14px; }
  .main-nav { gap: 16px; }
  .lang-switch { gap: 3px; padding: 3px; }
  .lang-btn { padding: 6px 8px; }
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .why-inner { grid-template-columns: 1fr; }
  .why-visual { flex-direction: row; flex-wrap: wrap; }
  .file-card-offset { margin-left: 0; }
  .contact-inner { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .lang-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav { display: none; margin-left: 0; }
  .menu-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  [dir="rtl"] .main-nav { margin-right: 0; }

  .site-header.mobile-open .main-nav {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(7,12,28,0.98); backdrop-filter: blur(14px);
    padding: 20px 24px 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .site-header.mobile-open .main-nav a {
    position: relative;
    display: inline-block;
    padding: 12px 0;
    text-align: center;
    border-bottom: none;
  }
  .site-header.mobile-open .main-nav a::after,
  .site-header.mobile-open .main-nav a:hover::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 120px;
    height: 1px;
    border-bottom: none;
    background: rgba(255,255,255,0.18);
    box-shadow: 0 1px 4px rgba(204,159,82,0.28);
    transform: translateX(-50%);
  }
  .site-header.mobile-open .lang-switch {
    display: flex;
    margin-top: 12px;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .header-actions { gap: 10px; }
  .header-actions .btn-sm { padding: 9px 14px; font-size: 0.78rem; }
  .brand-title { font-size: 0.92rem; }
  .hero { padding: 130px 0 80px; }
  .hero-actions .btn { flex: 1 1 auto; text-align: center; }
  .hero-stats { gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: 1fr; }
  .services, .why, .languages, .contact { padding: 80px 0; }
  .contact-form { padding: 28px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .whatsapp-fab { bottom: 20px; right: 20px; width: 50px; height: 50px; }
  .back-to-top { bottom: 20px; left: 20px; width: 42px; height: 42px; }
  .why-visual { display: none; }
}