/* ═══════════════════════════════════════════════════
   MECPRO SOLUTION — styles.css
   Industrial engineering website — Professional & Precise
   Palette: Deep Steel · Charcoal · Teal Accent
   Typography: Rajdhani (display) · Source Sans 3 (body)
   ═══════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
  /* Core Palette */
  --steel-900:  #0D1B2A;   /* deepest background */
  --steel-800:  #132233;   /* header, hero */
  --steel-700:  #1A2E42;   /* dark sections */
  --steel-600:  #213A52;   /* card backgrounds */
  --steel-400:  #3A6080;   /* borders, dividers */
  --steel-200:  #8BAFC8;   /* muted text */
  --steel-100:  #C8DCE9;   /* light muted */

  --charcoal:   #1C1F26;   /* alternate dark */
  --charcoal-2: #252A34;

  --gray-50:    #F4F6F8;
  --gray-100:   #EAF0F5;
  --gray-200:   #D5E1EB;
  --gray-300:   #B8CCDA;
  --gray-500:   #607080;
  --gray-700:   #3C4A56;

  --teal:       #00C2CB;   /* primary accent */
  --teal-dim:   #0095A0;   /* hover accent */
  --teal-glow:  rgba(0, 194, 203, 0.15);
  --teal-subtle: rgba(0, 194, 203, 0.08);

  --white:      #FFFFFF;
  --text-dark:  #0D1B2A;
  --text-mid:   #364A5E;
  --text-light: #7A95A8;

  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Source Sans 3', sans-serif;

  --radius:    3px;
  --radius-lg: 6px;
  --shadow:    0 2px 20px rgba(13,27,42,0.12);
  --shadow-lg: 0 8px 48px rgba(13,27,42,0.22);

  --transition: 0.20s ease;
  --max-width:  1200px;
  --section-pad: 100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 194, 203, 0.12);
  transition: box-shadow var(--transition);
}

#site-header.scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,0.35);
  border-bottom-color: rgba(0, 194, 203, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

/* ── Logo ── */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}

.logo:hover .logo-icon {
  transform: rotate(30deg);
}

.logo-icon svg { display: block; }

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

.logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--white);
  text-transform: uppercase;
}

.logo-sub {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-top: 1px;
}

/* ── Nav ── */
#main-nav ul {
  display: flex;
  gap: 2px;
}

#main-nav a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

#main-nav a:hover {
  color: var(--teal);
  background: var(--teal-subtle);
}

/* ── Header Actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* ── Language Switcher ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  padding: 4px 8px;
  border-radius: 3px;
  transition: color var(--transition), background var(--transition);
}

.lang-btn:hover { color: var(--white); }

.lang-btn.active {
  color: var(--teal);
  background: var(--teal-subtle);
}

.lang-divider {
  color: rgba(255,255,255,0.18);
  font-size: 12px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--steel-900);
  border: 2px solid var(--teal);
}

.btn-primary:hover {
  background: var(--teal-dim);
  border-color: var(--teal-dim);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 194, 203, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.55);
}

.btn-outline-sm {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
  margin-top: 12px;
}

.btn-outline-sm:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--teal-subtle);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 15px;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ── Hamburger (mobile) ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-cta { display: inline-flex; }


/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--steel-800);
  overflow: hidden;
  padding-top: 72px;
}

/* Technical grid pattern */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 194, 203, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 194, 203, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Subtle radial glow */
.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 70% at 85% 50%, rgba(0, 100, 110, 0.28) 0%, transparent 65%),
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(13, 27, 42, 0.6) 0%, transparent 60%);
  pointer-events: none;
}

/* Blueprint drawing on the right */
.hero-blueprint {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.6;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 80px 24px 100px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 28px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--teal);
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.hero-inner h1 {
  font-size: clamp(46px, 7.5vw, 90px);
  max-width: 840px;
  text-transform: uppercase;
}

.hero-line-1,
.hero-line-2,
.hero-line-3 {
  display: block;
}

.hero-line-1 {
  color: var(--white);
}

.hero-line-2 {
  color: rgba(255,255,255,0.55);
}

.hero-line-3 {
  color: rgba(255,255,255,0.28);
}

.hero-sub {
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.58);
  max-width: 560px;
  line-height: 1.72;
  margin-bottom: 42px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 68px;
}

.hero-stats {
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(0, 194, 203, 0.18);
  padding-top: 32px;
  width: fit-content;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 0 36px;
}

.stat:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  letter-spacing: 0.04em;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(0, 194, 203, 0.15);
  flex-shrink: 0;
}

.hero-scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
}

.hero-scroll-cue span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.7); }
}


/* ═══════════════════════════════════════════════════
   SECTIONS (shared)
═══════════════════════════════════════════════════ */
.section {
  padding: var(--section-pad) 0;
}

.section-light { background: var(--gray-50); }
.section-dark  { background: var(--charcoal); color: var(--white); }
.section-navy  { background: var(--steel-800); color: var(--white); }

.section-header {
  margin-bottom: 64px;
}

.section-header.center {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 64px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-400);
  margin-bottom: 16px;
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--teal);
}

.section-eyebrow.light {
  color: rgba(255,255,255,0.4);
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.section-dark h2,
.section-navy h2 {
  color: var(--white);
}

.section-intro {
  font-size: 17px;
  font-weight: 300;
  color: var(--gray-500);
  line-height: 1.72;
}

.section-intro.light {
  color: rgba(255,255,255,0.48);
}


/* ═══════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-left .section-eyebrow { display: flex; }

.about-left h2 {
  margin-bottom: 24px;
}

.about-left p {
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.78;
  margin-bottom: 18px;
}

.about-left .btn { margin-top: 12px; }

.about-pillars {
  display: flex;
  flex-direction: column;
}

.pillar {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-200);
  position: relative;
}

.pillar:first-child {
  border-top: 1px solid var(--gray-200);
}

.pillar-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  background: var(--steel-800);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-top: 2px;
  border: 1px solid rgba(0, 194, 203, 0.2);
}

.pillar h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.pillar p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.62;
}


/* ═══════════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(0, 194, 203, 0.06);
}

.service-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 44px 36px;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(0, 194, 203, 0.2);
}

.service-card--accent {
  background: rgba(0, 60, 80, 0.35);
  border-color: rgba(0, 194, 203, 0.2);
}

.service-card--accent:hover {
  background: rgba(0, 60, 80, 0.48);
  border-color: rgba(0, 194, 203, 0.35);
}

.service-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--teal);
  margin-bottom: 20px;
  opacity: 0.7;
}

.service-icon {
  color: rgba(0, 194, 203, 0.55);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 14px;
}

.service-card > p {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

.service-list li::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.7;
  margin-top: 7px;
}


/* ═══════════════════════════════════════════════════
   EXPERTISE
═══════════════════════════════════════════════════ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.expertise-item {
  background: var(--gray-50);
  padding: 36px 32px;
  transition: background var(--transition), transform var(--transition);
  position: relative;
}

.expertise-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform 0.25s ease;
  transform-origin: left;
}

.expertise-item:hover {
  background: var(--white);
}

.expertise-item:hover::before {
  transform: scaleX(1);
}

.expertise-icon {
  width: 48px;
  height: 48px;
  background: var(--steel-800);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-bottom: 18px;
  border: 1px solid rgba(0, 194, 203, 0.15);
}

.expertise-item h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.expertise-item p {
  font-size: 13.5px;
  color: var(--gray-500);
  line-height: 1.62;
}


/* ═══════════════════════════════════════════════════
   WHY CHOOSE US
═══════════════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(0, 194, 203, 0.07);
}

.why-item {
  background: rgba(255,255,255,0.02);
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: background var(--transition);
  position: relative;
}

.why-item:hover {
  background: rgba(255,255,255,0.04);
}

.why-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--teal);
  opacity: 0.65;
  margin-bottom: 16px;
}

.why-item h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.25;
}

.why-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
}


/* ═══════════════════════════════════════════════════
   PROCESS
═══════════════════════════════════════════════════ */
.process-steps {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}

.process-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.process-step-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--steel-800);
  border: 2px solid var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--teal);
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

.process-step-content {
  padding-top: 10px;
  padding-bottom: 8px;
}

.process-step-content h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.process-step-content p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.72;
}

.process-connector {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--teal), rgba(0, 194, 203, 0.1));
  margin-left: 25px;
}


/* ═══════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}

.contact-left h2 { color: var(--white); margin-bottom: 20px; }
.contact-left > p {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  line-height: 1.76;
  margin-bottom: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(0, 194, 203, 0.08);
  border: 1px solid rgba(0, 194, 203, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}

.contact-label {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 15px;
  color: rgba(255,255,255,0.82);
}

a.contact-value:hover { color: var(--teal); }

/* Contact Form */
.contact-form {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0, 194, 203, 0.12);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}

.form-group:last-child { margin-bottom: 0; }

label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  appearance: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255,255,255,0.25);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  background: rgba(0, 194, 203, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 194, 203, 0.1);
}

select option {
  background: var(--charcoal);
  color: var(--white);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.contact-form .btn-primary {
  margin-top: 8px;
  margin-bottom: 14px;
}

.form-note {
  font-size: 12.5px;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.22);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 14.5px;
  color: rgba(255,255,255,0.85);
  margin-top: 14px;
}


/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
#site-footer {
  background: var(--steel-900);
  border-top: 1px solid rgba(0, 194, 203, 0.1);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo .logo-name { font-size: 18px; }
.footer-logo .logo-sub { font-size: 10px; }

.footer-tagline {
  font-size: 13.5px;
  color: rgba(255,255,255,0.38);
  line-height: 1.65;
  margin-top: 18px;
  margin-bottom: 8px;
  max-width: 260px;
}

.footer-location {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.06em;
}

.footer-nav h5,
.footer-services h5,
.footer-contact-col h5 {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
  opacity: 0.8;
}

.footer-nav ul,
.footer-services ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-nav a,
.footer-services span,
.footer-contact-col p {
  font-size: 13.5px;
  color: rgba(255,255,255,0.48);
  transition: color var(--transition);
  line-height: 1.5;
}

.footer-nav a:hover { color: var(--teal); }

.footer-contact-col p {
  margin-bottom: 4px;
}

.footer-contact-col a { color: rgba(255,255,255,0.48); }
.footer-contact-col a:hover { color: var(--teal); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.footer-copy span {
  font-size: 12.5px;
  color: rgba(255,255,255,0.22);
}

.footer-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.2);
}

.lang-btn-sm {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
  padding: 2px 4px;
}

.lang-btn-sm:hover { color: var(--teal); }
.lang-btn-sm.active { color: var(--teal); }


/* ═══════════════════════════════════════════════════
   MOBILE NAV OVERLAY
═══════════════════════════════════════════════════ */
@media (max-width: 960px) {
  #main-nav,
  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  #main-nav.open {
    display: flex;
    position: fixed;
    inset: 72px 0 0 0;
    background: rgba(13,27,42,0.99);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99;
  }

  #main-nav.open ul {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }

  #main-nav.open a {
    font-size: 22px;
    padding: 14px 28px;
  }

  .header-cta.mobile-show {
    display: inline-flex;
    margin-top: 24px;
  }
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --section-pad: 80px; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr; gap: 2px; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-blueprint { display: none; }
}

@media (max-width: 768px) {
  :root { --section-pad: 64px; }

  .hero-inner { padding: 60px 0 80px; }
  .hero-actions { flex-direction: column; width: fit-content; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .stat-divider { display: none; }
  .stat { padding: 0; }

  .expertise-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .service-card { padding: 32px 24px; }
  .contact-form { padding: 24px; }
}

@media (max-width: 480px) {
  .logo-text { display: none; }
  .lang-switcher { gap: 0; }
  .hero-inner h1 { font-size: 38px; }
  .hero-sub { font-size: 16px; }
}


/* ═══════════════════════════════════════════════════
   SCROLL ANIMATIONS (fade-in)
═══════════════════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}