/* ============================================================
   assets/css/main.css
   Erkin Systems — Jekyll Theme
   Brand Colors:
     Charcoal:   #181818
     Orange:     #FF6B00
     Light Gray: #F3F4F6
     White:      #FFFFFF
   Font: Inter (Google Fonts)
============================================================ */

/* ===================== CSS Variables ===================== */
:root {
  /* Brand */
  --color-charcoal:      #181818;
  --color-charcoal-mid:  #242424;
  --color-charcoal-soft: #2E2E2E;
  --color-charcoal-mute: #3D3D3D;
  --color-orange:        #FF6B00;
  --color-orange-dark:   #E05E00;
  --color-orange-light:  #FF8533;
  --color-orange-glow:   rgba(255, 107, 0, 0.12);
  --color-orange-glow-hover: rgba(255, 107, 0, 0.20);

  /* Neutrals */
  --color-white:         #FFFFFF;
  --color-light-gray:    #F3F4F6;
  --color-gray-200:      #E5E7EB;
  --color-gray-300:      #D1D5DB;
  --color-gray-400:      #9CA3AF;
  --color-gray-500:      #6B7280;
  --color-gray-700:      #374151;
  --color-text:          #181818;
  --color-text-muted:    #6B7280;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container-max: 1160px;
  --header-height: 70px;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     16px;

  /* Shadows */
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:     0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.07);
  --shadow-orange: 0 4px 20px rgba(255,107,0,0.35);

  /* Transitions */
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }
a { color: var(--color-orange); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-orange-dark); }
ul { list-style: none; }

/* ===================== Typography ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1rem; }

p { margin-bottom: 1rem; color: var(--color-text-muted); line-height: 1.7; }
p:last-child { margin-bottom: 0; }

/* ===================== Layout ===================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.925rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.01em;
}

/* Primary: orange fill */
.btn-primary {
  background: var(--color-orange);
  color: var(--color-white);
  border-color: var(--color-orange);
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  background: var(--color-orange-dark);
  border-color: var(--color-orange-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,107,0,0.45);
}

/* Secondary: charcoal outline */
.btn-secondary {
  background: transparent;
  color: var(--color-charcoal);
  border-color: var(--color-charcoal);
}
.btn-secondary:hover {
  background: var(--color-charcoal);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* White outline (on dark backgrounds) */
.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}

/* White fill (on orange backgrounds) */
.btn-white {
  background: var(--color-white);
  color: var(--color-orange-dark);
  border-color: var(--color-white);
}
.btn-white:hover {
  background: var(--color-charcoal);
  color: var(--color-white);
  border-color: var(--color-charcoal);
}

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ===================== Section Labels ===================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.85rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-orange);
  border-radius: 2px;
}

.section-title { margin-bottom: 1rem; }
.section-desc { font-size: 1.05rem; max-width: 580px; color: var(--color-text-muted); }
.section-header { margin-bottom: 3.5rem; }
.section-header--center { text-align: center; }
.section-header--center .section-label { justify-content: center; }
.section-header--center .section-desc { margin: 0 auto; }

/* ===================== Header ===================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-charcoal);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.40);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: 2rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-orange);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: 1rem;
}
.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

/* Desktop Nav */
.site-nav { margin-left: auto; }
.site-nav__list { display: flex; align-items: center; gap: 0.15rem; }
.site-nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
}
.site-nav__link:hover { color: var(--color-white); background: rgba(255,255,255,0.08); }
.site-nav__link.active { color: var(--color-orange); }
.site-nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--color-orange);
  border-radius: 2px;
}

.header-cta { font-size: 0.825rem; padding: 0.5rem 1.1rem; flex-shrink: 0; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger-line {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .hamburger-line:nth-child(2) { opacity: 0; }
.nav-toggle.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  background: var(--color-charcoal-mid);
  border-top: 1px solid rgba(255,255,255,0.07);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.mobile-nav.open { max-height: 500px; }
.mobile-nav__list {
  padding: 1rem 1.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.2rem;
}
.mobile-nav__link {
  display: block;
  padding: 0.7rem 0.5rem;
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color var(--transition);
}
.mobile-nav__link:hover, .mobile-nav__link.active { color: var(--color-orange); }
.mobile-nav__cta { margin-top: 1rem; width: 100%; justify-content: center; }

/* Offset for sticky header */
#main-content { padding-top: var(--header-height); }

/* ===================== Hero (Home) ===================== */
.hero {
  background: var(--color-charcoal);
  padding: 6.5rem 0 5.5rem;
  position: relative;
  overflow: hidden;
}

/* Subtle geometric accent lines */
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 560px; height: 560px;
  border: 1px solid rgba(255,107,0,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 340px; height: 340px;
  border: 1px solid rgba(255,107,0,0.05);
  border-radius: 50%;
  pointer-events: none;
}

/* Orange side-accent bar */
.hero-accent {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--color-orange);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content .section-label { color: var(--color-orange); }

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-title span { color: var(--color-orange); }

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 2rem;
  max-width: 460px;
  line-height: 1.75;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

.hero-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  margin-top: 1.5rem;
}
.hero-phone i { color: var(--color-orange); }
.hero-phone a { color: var(--color-white); font-weight: 600; }
.hero-phone a:hover { color: var(--color-orange); }

/* Hero Stats Card */
.hero-visual { display: flex; justify-content: center; }
.hero-card {
  background: var(--color-charcoal-soft);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  border-top: 3px solid var(--color-orange);
}
.hero-card__title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1.25rem;
}
.hero-card__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}
.stat-item {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}
.stat-item__number {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-orange);
  line-height: 1;
}
.stat-item__label { font-size: 0.7rem; color: rgba(255,255,255,0.45); margin-top: 0.25rem; }
.hero-card__services { display: flex; flex-direction: column; gap: 0.45rem; }
.hero-card__service {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-orange);
}
.hero-card__service i { color: var(--color-orange); }

/* ===================== Trust Bar ===================== */
.trust-bar {
  background: var(--color-light-gray);
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}
.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1.75rem;
}
.trust-item { display: flex; align-items: center; gap: 0.75rem; }
.trust-item i { font-size: 1.3rem; color: var(--color-orange); }
.trust-item__text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-charcoal);
}
.trust-item__text span { font-size: 0.775rem; color: var(--color-gray-500); }

/* ===================== Services Overview (Home) ===================== */
.services-overview { background: var(--color-white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--color-light-gray);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--color-orange);
  transform: scaleY(0);
  transition: transform var(--transition);
  transform-origin: bottom;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
  border-color: var(--color-gray-300);
}
.service-card:hover::after { transform: scaleY(1); }

.service-card__icon {
  width: 48px; height: 48px;
  background: var(--color-orange-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-orange);
  margin-bottom: 1.1rem;
}
.service-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.875rem; margin-bottom: 1.1rem; line-height: 1.65; }
.service-card .learn-more {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition);
}
.service-card:hover .learn-more { gap: 0.55rem; }

/* ===================== Why Choose Us ===================== */
.why-us { background: var(--color-charcoal); }
.why-us .section-title { color: var(--color-white); }
.why-us .section-desc { color: rgba(255,255,255,0.55); }
.why-us .section-label { color: var(--color-orange); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.why-item {
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  transition: all var(--transition);
  border-left: 3px solid var(--color-orange);
}
.why-item:hover {
  background: rgba(255,255,255,0.06);
  border-left-color: var(--color-orange-light);
}
.why-item__icon { font-size: 1.4rem; color: var(--color-orange); margin-bottom: 0.85rem; }
.why-item h3 { color: var(--color-white); font-size: 0.95rem; margin-bottom: 0.4rem; }
.why-item p { font-size: 0.845rem; color: rgba(255,255,255,0.5); margin: 0; line-height: 1.6; }

/* ===================== CTA Banner ===================== */
.cta-banner {
  background: var(--color-orange);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}
/* Subtle texture stripes */
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(0,0,0,0.04) 20px,
    rgba(0,0,0,0.04) 40px
  );
}
.cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-banner__text h2 { color: var(--color-white); margin-bottom: 0.5rem; }
.cta-banner__text p { color: rgba(255,255,255,0.85); margin: 0; font-size: 1.05rem; }
.cta-banner__actions { display: flex; gap: 1rem; flex-wrap: wrap; flex-shrink: 0; }

/* ===================== Page Hero (Interior Pages) ===================== */
.page-hero {
  background: var(--color-charcoal);
  padding: 3.75rem 0 3.25rem;
  border-left: 4px solid var(--color-orange);
}
.page-hero__title {
  color: var(--color-white);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
}
.page-hero__subtitle {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  margin-top: 0.75rem;
  margin-bottom: 0;
  max-width: 600px;
}

.page-content { padding: 4rem 0 5rem; }

/* ===================== Services Page ===================== */
.service-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}
.service-section:last-child { border-bottom: none; }

.service-section__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3.5rem;
  align-items: start;
}
.service-section__left { position: sticky; top: calc(var(--header-height) + 2rem); }

.service-section__icon {
  width: 60px; height: 60px;
  background: var(--color-orange-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-orange);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255,107,0,0.2);
}
.service-section h2 { font-size: 1.65rem; margin-bottom: 0.5rem; }

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-top: 1.5rem;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-light-gray);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-200);
}
.feature-item i { color: var(--color-orange); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.feature-item__text strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-charcoal);
  margin-bottom: 0.2rem;
  font-weight: 600;
}
.feature-item__text span { font-size: 0.8rem; color: var(--color-gray-500); }

/* ===================== About Page ===================== */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}
.about-story__visual {
  background: var(--color-charcoal);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 4px solid var(--color-orange);
  position: relative;
  overflow: hidden;
}
.about-story__placeholder {
  text-align: center;
  color: rgba(255,255,255,0.4);
  position: relative;
  z-index: 1;
}
.about-story__placeholder i { font-size: 3.5rem; color: var(--color-orange); display: block; margin-bottom: 0.75rem; }
.about-story__placeholder span { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}
.team-card {
  background: var(--color-light-gray);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
  border-top: 3px solid transparent;
}
.team-card:hover { box-shadow: var(--shadow-md); border-top-color: var(--color-orange); transform: translateY(-3px); }
.team-card__avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--color-charcoal);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; color: var(--color-orange);
  margin: 0 auto 1rem;
}
.team-card h3 { font-size: 0.975rem; margin-bottom: 0.25rem; }
.team-card .role { font-size: 0.775rem; color: var(--color-orange); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }

/* ===================== Contact Page ===================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}
.contact-info__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.contact-info__icon {
  width: 42px; height: 42px;
  background: var(--color-orange-glow);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-orange); font-size: 1.05rem; flex-shrink: 0;
  border: 1px solid rgba(255,107,0,0.2);
}
.contact-info__text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-info__text a, .contact-info__text span { font-size: 0.95rem; color: var(--color-gray-500); }
.contact-info__text a:hover { color: var(--color-orange); }

.map-placeholder {
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  height: 220px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-gray-200);
  margin-top: 2rem;
  overflow: hidden;
}
.map-placeholder iframe { width: 100%; height: 100%; border: none; }
.map-placeholder__inner { text-align: center; color: var(--color-gray-400); }
.map-placeholder__inner i { font-size: 2.25rem; color: var(--color-orange); margin-bottom: 0.5rem; display: block; }
.map-placeholder__inner p { font-size: 0.85rem; }

/* Contact Form */
.contact-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-orange);
}
.contact-form-card h3 { margin-bottom: 0.4rem; }
.contact-form-card > p { margin-bottom: 1.5rem; font-size: 0.9rem; }

.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.925rem;
  color: var(--color-text);
  background: var(--color-light-gray);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.10);
  background: var(--color-white);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit { width: 100%; justify-content: center; margin-top: 0.5rem; }

/* ===================== Footer ===================== */
.site-footer {
  background: var(--color-charcoal);
  padding-top: 4.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand .logo-text { color: var(--color-white); }
.footer-brand .logo-icon { background: var(--color-orange); }
.footer-brand__tagline {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-orange);
  margin: 1.25rem 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-brand__desc { font-size: 0.825rem; color: rgba(255,255,255,0.4); line-height: 1.65; }

.footer-social { display: flex; gap: 0.65rem; margin-top: 1.25rem; }
.footer-social a {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: all var(--transition);
  text-decoration: none;
}
.footer-social a:hover { background: var(--color-orange); color: var(--color-white); }

.footer-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.1rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-orange); }

.footer-contact ul { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 1.5rem; }
.footer-contact li { display: flex; align-items: flex-start; gap: 0.65rem; }
.footer-contact i { color: var(--color-orange); font-size: 0.9rem; margin-top: 3px; flex-shrink: 0; }
.footer-contact a, .footer-contact span { font-size: 0.825rem; color: rgba(255,255,255,0.45); }
.footer-contact a:hover { color: var(--color-orange); }

.footer-bottom { padding: 1.35rem 0; }
.footer-bottom__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.775rem; color: rgba(255,255,255,0.3); margin: 0; }
.footer-bottom__legal a { color: rgba(255,255,255,0.3); font-size: 0.775rem; transition: color var(--transition); }
.footer-bottom__legal a:hover { color: var(--color-orange); }

/* ===================== Responsive ===================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .service-section__inner { grid-template-columns: 1fr; gap: 2rem; }
  .service-section__left { position: static; }
}

@media (max-width: 768px) {
  section { padding: 3.5rem 0; }

  .site-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }

  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; }
  .hero-card { max-width: 100%; }
  .hero-desc { max-width: 100%; }

  .trust-bar__inner { justify-content: flex-start; gap: 1rem; }

  .about-story { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-contact { grid-column: 1 / -1; }

  .cta-banner__inner { flex-direction: column; align-items: flex-start; }
  .service-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-bottom__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-card__stats { grid-template-columns: 1fr 1fr; }
}