/* ============================================
   OBSA Engineering Services Ltd
   Corporate Website Stylesheet
   ============================================ */

/* ─── CSS Custom Properties ─── */
:root {
  --navy:        #0A1128;
  --navy-mid:    #0D1540;
  --navy-card:   #111827;
  --navy-light:  #1A2035;
  --orange:      #F5A623;
  --orange-dark: #E09010;
  --orange-light:#FFC84A;
  --white:       #FFFFFF;
  --off-white:   #F8F9FA;
  --gray-100:    #F3F4F6;
  --gray-200:    #E5E7EB;
  --gray-300:    #D1D5DB;
  --gray-400:    #9CA3AF;
  --gray-500:    #6B7280;
  --gray-600:    #4B5563;
  --gray-700:    #374151;
  --gray-800:    #1F2937;
  --blue-tint:   #EFF6FF;
  --whatsapp:    #25D366;

  --font-heading: 'Inter', 'Roboto', sans-serif;
  --font-body:    'Inter', 'Roboto', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.16);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.20);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--gray-800);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  line-height: 1.75;
  color: var(--gray-600);
}

/* ─── Layout Utilities ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

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

.section--navy-mid {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
}

.section--gray {
  background-color: var(--gray-100);
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--gray-800);
}

.section-title--light {
  color: var(--white);
}

.section-divider {
  width: 48px;
  height: 4px;
  background: var(--orange);
  border-radius: 2px;
  margin: 0 0 28px;
}

.section-divider--center {
  margin: 0 auto 28px;
}

.section-intro {
  max-width: 640px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gray-500);
}

.section-intro--light {
  color: rgba(255,255,255,0.75);
}

.text-center { text-align: center; }
.text-orange { color: var(--orange); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--orange);
  color: var(--navy);
  border-color: var(--orange);
}

.btn--primary:hover {
  background-color: var(--orange-dark);
  border-color: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn--outline:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn--outline-dark:hover {
  background-color: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background-color: var(--whatsapp);
  color: var(--white);
  border-color: var(--whatsapp);
}

.btn--whatsapp:hover {
  background-color: #1ebe5d;
  border-color: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.82rem;
}

/* ─── Badge / Pill ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge--orange {
  background-color: rgba(245,166,35,0.15);
  color: var(--orange);
  border: 1px solid rgba(245,166,35,0.3);
}

.badge--dark {
  background-color: var(--gray-700);
  color: var(--gray-200);
}

.badge--white {
  background-color: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

/* ─── Navigation ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.navbar__logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.navbar__logo-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.navbar__logo-tagline {
  font-size: 0.64rem;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.navbar__link {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--navy);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--orange);
  border-radius: 1px;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  border-radius: var(--radius-sm);
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: all var(--transition);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.navbar__mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 16px 24px 24px;
  gap: 4px;
}

.navbar__mobile.open {
  display: flex;
}

.navbar__mobile-link {
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.navbar__mobile-link:hover {
  background: var(--gray-100);
  color: var(--navy);
}

.navbar__mobile .btn {
  margin-top: 8px;
  justify-content: center;
}

/* ─── Hero Section ─── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #0A1128 100%);
  min-height: 100vh;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 70% 40%, rgba(245,166,35,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.25);
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

.hero__badge svg {
  width: 14px;
  height: 14px;
  fill: var(--orange);
}

.hero__headline {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__headline em {
  color: var(--orange);
  font-style: normal;
}

.hero__sub {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.hero__tag {
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero__stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* Hero Right Column Cards */
.hero__right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero__img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--navy-card);
}

.hero__img-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  opacity: 0.9;
}

.hero__img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
}

.hero__img-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__img-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}

.hero__md-card {
  border-radius: var(--radius-lg);
  background: var(--navy-card);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.hero__md-card img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
  flex-shrink: 0;
}

.hero__md-info {
  flex: 1;
}

.hero__md-role {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 4px;
}

.hero__md-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.hero__md-title {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.hero__md-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.hero__md-cred {
  padding: 3px 10px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--orange);
}

/* ─── About Section ─── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__text p {
  margin-bottom: 18px;
  font-size: 1rem;
}

.about__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--blue-tint);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  flex: 1;
  min-width: 180px;
}

.cert-badge__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #2563EB;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
  font-size: 1rem;
}

.cert-badge__label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #1D4ED8;
  display: block;
}

.cert-badge__sub {
  font-size: 0.7rem;
  color: #3B82F6;
}

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

.about__card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.about__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about__card--vision {
  background: var(--blue-tint);
  border-color: #BFDBFE;
}

.about__card--mission {
  background: var(--white);
  border-left: 4px solid var(--orange);
}

.about__card-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.about__card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

.about__card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Values */
.values__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.value-card {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}

.value-card:hover {
  background: rgba(245,166,35,0.08);
  border-color: rgba(245,166,35,0.2);
  transform: translateY(-4px);
}

.value-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.value-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

/* ─── Services ─── */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(245,166,35,0.2);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(245,166,35,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: var(--orange);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 18px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card__list li {
  font-size: 0.82rem;
  color: var(--gray-500);
  padding-left: 16px;
  position: relative;
}

.service-card__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

/* ─── Projects / Portfolio ─── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
}

.project-card__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card__img img {
  transform: scale(1.06);
}

.project-card__category {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.project-card__tag {
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(245,166,35,0.9);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.project-card__body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__client {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.project-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}

.project-card p {
  font-size: 0.84rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}

.project-card__location {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-card__stat {
  margin-left: auto;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--gray-100);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ─── Team Section ─── */
.team {
  background: linear-gradient(180deg, var(--navy) 0%, #0D1B3E 100%);
  padding: 96px 0;
  overflow: hidden;
}

.team__header {
  text-align: center;
  margin-bottom: 60px;
}

/* Team Carousel */
.team__carousel-wrapper {
  position: relative;
  overflow: hidden;
}

.team__carousel {
  display: flex;
  gap: 24px;
  will-change: transform;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animation: slide in from right */
.team__member {
  flex: 0 0 260px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateX(80px);
  cursor: default;
}

.team__member.animated {
  opacity: 1;
  transform: translateX(0);
}

.team__member:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(245,166,35,0.25);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transform: translateY(-6px);
}

/* Avatar */
.team__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  border: 3px solid var(--orange);
  display: block;
  background: var(--navy-light);
}

.team__avatar-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 20px;
  border: 3px solid var(--orange);
  background: linear-gradient(135deg, var(--navy-light), var(--navy-card));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.team__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.team__role {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.team__bio {
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.team__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.team__cred {
  padding: 4px 10px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--orange);
}

.team__nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

.team__nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.team__nav-btn:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
}

.team__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.team__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all var(--transition);
}

.team__dot.active {
  background: var(--orange);
  width: 24px;
  border-radius: 4px;
}

/* ─── Why OBSA / Trust Section ─── */
.why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.why__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.why__feature {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--gray-100);
  transition: all var(--transition);
}

.why__feature:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.why__feature-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.why__feature h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.why__feature p {
  font-size: 0.8rem;
  line-height: 1.6;
}

.why__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.why__stat {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--navy);
  color: var(--white);
  text-align: center;
}

.why__stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}

.why__stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─── Contact Section ─── */
.contact {
  background: var(--navy);
  padding: 96px 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact__left h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.contact__left p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.contact__method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--white);
  transition: all var(--transition);
  cursor: pointer;
}

.contact__method:hover {
  background: rgba(245,166,35,0.08);
  border-color: rgba(245,166,35,0.25);
  transform: translateX(4px);
}

.contact__method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(245,166,35,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact__method-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 2px;
}

.contact__method-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}

.contact__social {
  display: flex;
  gap: 12px;
}

.contact__social-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.contact__social-btn:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
  transform: translateY(-3px);
}

/* RFQ Card */
.rfq-card {
  background: linear-gradient(135deg, rgba(245,166,35,0.08) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.rfq-card__header {
  margin-bottom: 24px;
}

.rfq-card__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.rfq-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.rfq-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

.rfq-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}

.rfq-card__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
}

.rfq-card__feature::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: rgba(37,211,102,0.15);
  border-radius: 50%;
  color: #4ADE80;
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rfq-card__number {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

.rfq-card__number a {
  color: var(--orange);
  font-weight: 600;
}

/* ─── Footer ─── */
.footer {
  background: #060A18;
  padding: 64px 0 0;
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer__brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
}

.footer__brand-name {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--white);
}

.footer__brand-tagline {
  font-size: 0.64rem;
  color: var(--orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__about {
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
}

.footer__col-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

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

.footer__links a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--orange);
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer__copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

.footer__bottom-social {
  display: flex;
  gap: 10px;
}

.footer__bottom-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
}

.footer__bottom-social a:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
}

/* ─── Back to Top ─── */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: 998;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
  transform: translateY(-3px);
}

@media (max-width: 640px) {
  .back-to-top {
    bottom: 90px;
    right: 20px;
  }
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: all var(--transition);
  animation: wa-pulse 2.5s ease infinite;
}

.whatsapp-float__btn:hover {
  background: #1ebe5d;
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
}

.whatsapp-float__btn svg {
  width: 28px;
  height: 28px;
  fill: white;
}

.whatsapp-float__tooltip {
  background: var(--navy);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 6px 32px rgba(37,211,102,0.7); }
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .hero__grid {
    grid-template-columns: 1fr 420px;
    gap: 48px;
  }

  .values__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__right {
    display: none;
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .navbar__nav {
    display: none;
  }

  .navbar__actions .btn {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .values__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why__features {
    grid-template-columns: 1fr;
  }

  .why__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .team__member {
    flex: 0 0 220px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .rfq-card {
    padding: 28px 20px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }
}