:root {
  --color-navy: #16233f;
  --color-navy-dark: #0d1626;
  --color-orange: #f2760e;
  --color-orange-dark: #cf6208;
  --color-yellow: #ffc933;
  --color-gray-light: #f4f5f7;
  --color-gray-mid: #6b7280;
  --color-white: #ffffff;

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

  --max-width: 1160px;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(13, 22, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-navy-dark);
  background: var(--color-white);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.2;
  margin: 0 0 16px;
}

p {
  margin: 0 0 16px;
  color: var(--color-gray-mid);
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary:hover {
  background: var(--color-orange-dark);
}

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

.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn-call {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 10px 18px;
}

.btn-call:hover {
  background: var(--color-navy-dark);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(13, 22, 38, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-navy);
  font-size: 1rem;
  letter-spacing: 0.3px;
}

.logo {
  height: 52px;
  width: auto;
  display: block;
}

.logo-footer {
  height: 60px;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-weight: 500;
  color: var(--color-navy);
  position: relative;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-navy);
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  padding: 96px 0 80px;
}

.hero-inner {
  max-width: 720px;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--color-yellow);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 20px;
}

.hero-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

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

.hero .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.hero .btn-outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

/* Section heading */
.section-heading {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--color-orange);
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.section-text {
  margin-bottom: 0;
}

/* Services */
.services {
  padding: 88px 0;
  background: var(--color-gray-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  padding: 32px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(242, 118, 14, 0.12);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.service-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* About */
.about {
  padding: 88px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--color-navy);
}

.about-list i {
  color: var(--color-orange);
}

.about-visual {
  background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-yellow) 100%);
  border-radius: var(--radius);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual i {
  font-size: 5rem;
  color: rgba(255, 255, 255, 0.85);
}

/* Projects */
.projects {
  padding: 88px 0;
  background: var(--color-gray-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.project-placeholder {
  aspect-ratio: 4 / 3;
  background: var(--color-white);
  border: 2px dashed #d8dce3;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-gray-mid);
}

.project-placeholder i {
  font-size: 2rem;
}

/* Contact */
.contact {
  padding: 88px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.contact-list a,
.contact-list span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--color-navy);
}

.contact-list i {
  width: 20px;
  color: var(--color-orange);
}

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

.contact-form {
  background: var(--color-gray-light);
  padding: 32px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 500;
  color: var(--color-navy);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid #d8dce3;
  border-radius: 8px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-orange);
}

.contact-form .btn {
  align-self: flex-start;
}

.form-note {
  font-size: 0.82rem;
  color: var(--color-gray-mid);
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  background: var(--color-white);
  padding: 8px 16px;
  border-radius: 10px;
  display: inline-flex;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform 0.15s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* Responsive */
@media (max-width: 860px) {
  .about-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .about-visual {
    order: -1;
    min-height: 200px;
  }
}

@media (max-width: 760px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    gap: 0;
    box-shadow: 0 12px 20px rgba(13, 22, 38, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav.open {
    max-height: 320px;
  }

  .nav a {
    padding: 16px 20px;
    border-top: 1px solid #eee;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .btn-call span {
    display: none;
  }
}