/* =============================================================
   HAYYAT PETROLEUM — Main Stylesheet
   Light theme · Corporate · Responsive
   ============================================================= */

/* ----- CSS Custom Properties ----- */
:root {
  /* Brand palette */
  --navy:        #0a1628;
  --deep-blue:   #0f2b5b;
  --blue:        #1a3f7a;
  --steel:       #3a5a8c;
  --gold:        #c8a84e;
  --gold-light:  #e0c97a;

  /* Neutrals */
  --white:       #ffffff;
  --off-white:   #f7f8fa;
  --gray-100:    #f0f2f5;
  --gray-200:    #e2e5ea;
  --gray-300:    #ccd1d9;
  --gray-500:    #7a8599;
  --gray-700:    #3d4555;
  --gray-900:    #1a1f2b;

  /* Typography */
  --font-body:    'Inter', sans-serif;
  --font-heading: 'Playfair Display', serif;

  /* Sizing */
  --container:    1200px;
  --radius:       8px;
  --radius-lg:    14px;
  --shadow:       0 4px 24px rgba(10, 22, 40, .06);
  --shadow-lg:    0 12px 48px rgba(10, 22, 40, .10);
  --transition:   .35s cubic-bezier(.4, 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-700);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* =============================================================
   REUSABLE COMPONENTS
   ============================================================= */

/* -- Buttons -- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  letter-spacing: .3px;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 168, 78, .35);
}

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

/* -- Section utilities -- */
.section {
  padding: 100px 0;
}
.section-white { background: var(--white); }
.section-gray  { background: var(--off-white); }
.section-dark  { background: var(--navy); color: var(--white); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-label.light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-title.light { color: var(--white); }
.section-title.left-align { text-align: left; }

.title-bar {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto 20px;
  border-radius: 3px;
}
.left-bar { margin-left: 0; }

.section-desc {
  color: var(--gray-500);
  font-size: 1.05rem;
}

/* -- Scroll-based animation base -- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================
   NAVBAR
   ============================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: background .4s, padding .4s, box-shadow .4s;
}

.navbar.scrolled {
  background: rgba(255,255,255,.97);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(10,22,40,.08);
  backdrop-filter: blur(10px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}
.nav-logo-img {
  height: 62px;
  width: auto;
  transition: height .4s, filter .4s;
  filter: brightness(0) invert(1); /* white logo on transparent hero */
}
.navbar.scrolled .nav-logo-img {
  height: 52px;
  filter: none; /* show original colors on white navbar */
}

/* Footer logo */
.footer-logo-img {
  height: 70px;
  width: auto;
  filter: brightness(0) invert(1); /* white logo on dark footer */
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 16px;
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  border-radius: 50px;
  transition: var(--transition);
}
.navbar.scrolled .nav-link { color: var(--gray-700); }

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,.12);
}
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  color: var(--deep-blue);
  background: var(--gray-100);
}

/* CTA button in nav */
.btn-nav {
  background: var(--gold) !important;
  color: var(--navy) !important;
  font-weight: 600;
  padding: 10px 24px;
}
.btn-nav:hover {
  background: var(--gold-light) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 4px;
}
.hamburger,
.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after { background: var(--navy); }

.hamburger::before { transform: translateY(-7px); }
.hamburger::after  { transform: translateY(5px); }

.nav-toggle.open .hamburger { background: transparent; }
.nav-toggle.open .hamburger::before { transform: rotate(45deg); }
.nav-toggle.open .hamburger::after  { transform: rotate(-45deg) translateY(-2px); }

/* =============================================================
   HERO SLIDER
   ============================================================= */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.slider { position: relative; width: 100%; height: 100%; }

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.slide.active { opacity: 1; z-index: 1; }

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,22,40,.78) 0%,
    rgba(15,43,91,.55) 100%
  );
}

.slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
}

.slide-subtitle {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.slide-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.slide-text {
  max-width: 540px;
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Slider dots */
.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}
.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.5);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.15);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  right: 40px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-indicator span {
  font-size: .7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,.3);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  width: 100%;
  height: 100%;
  background: var(--gold);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* =============================================================
   VISION SECTION
   ============================================================= */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.vision-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  transition: var(--transition);
}
.vision-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.vision-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep-blue), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.5rem;
  color: var(--gold);
  transition: var(--transition);
}
.vision-card:hover .vision-icon-wrap {
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(15,43,91,.25);
}

.vision-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.vision-card p {
  font-size: .95rem;
  color: var(--gray-500);
}

/* =============================================================
   MISSION SECTION
   ============================================================= */
.mission-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.mission-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.mission-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.mission-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--gold);
  color: var(--navy);
  padding: 18px 22px;
  border-radius: var(--radius);
  text-align: center;
}
.badge-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.badge-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .5px;
}

.mission-content .section-title { margin-bottom: 14px; }

.mission-text {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin-bottom: 28px;
  line-height: 1.8;
}

.mission-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mission-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--gray-700);
}
.mission-list i {
  color: var(--gold);
  font-size: 1.1rem;
}

/* =============================================================
   PORTS SECTION (list-based layout)
   ============================================================= */
.ports-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.port-region-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.port-region-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--deep-blue), var(--gold));
  border-radius: 4px 0 0 4px;
}
.port-region-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.port-region-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.port-region-header i {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep-blue), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gold);
  flex-shrink: 0;
}
.port-region-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--navy);
  margin: 0;
}

.port-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.port-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  color: var(--gray-700);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.port-list li:hover {
  background: var(--off-white);
  padding-left: 18px;
}
.port-list li i {
  font-size: .7rem;
  color: var(--gold);
  flex-shrink: 0;
}

/* =============================================================
   SERVICES SECTION
   ============================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--deep-blue), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s ease;
}
.service-card:hover::before { transform: scaleX(1); }

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

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius);
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--deep-blue);
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: var(--deep-blue);
  color: var(--gold);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.service-card p {
  font-size: .92rem;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.service-link {
  font-size: .88rem;
  font-weight: 600;
  color: var(--deep-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.service-link i { transition: transform .3s; }
.service-link:hover {
  color: var(--gold);
}
.service-link:hover i { transform: translateX(4px); }

/* =============================================================
   ABOUT SECTION (full-width, no images)
   ============================================================= */
.about-full {
  max-width: 900px;
  margin: 0 auto;
}

.about-full .section-header {
  margin-bottom: 40px;
}

.about-text-content {
  text-align: center;
}

.about-text-content p {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin-bottom: 20px;
  line-height: 1.9;
}
.about-text-content p strong {
  color: var(--deep-blue);
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--gray-200);
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--deep-blue);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}
.stat-label {
  display: block;
  font-size: .84rem;
  color: var(--gray-500);
  margin-top: 6px;
}

/* =============================================================
   DIRECTORS SECTION
   ============================================================= */
.directors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.director-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}
.director-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.director-img-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
}
.director-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.director-card:hover .director-img-wrap img {
  transform: scale(1.05);
}

.director-socials {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  background: linear-gradient(transparent, rgba(10,22,40,.7));
  transform: translateY(100%);
  transition: transform .4s ease;
}
.director-card:hover .director-socials {
  transform: translateY(0);
}
.director-socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: .9rem;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.director-socials a:hover {
  background: var(--gold);
  color: var(--navy);
}

.director-info {
  padding: 20px 16px 24px;
}
.director-info h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 2px;
}
.director-info span {
  font-size: .84rem;
  color: var(--gray-500);
}

/* =============================================================
   CONTACT / CTA SECTION
   ============================================================= */
.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.cta-text {
  font-size: 1.05rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.cta-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.cta-info-item i {
  margin-top: 4px;
  font-size: 1.1rem;
  color: var(--gold);
}
.cta-info-item strong {
  display: block;
  color: var(--white);
  font-size: .9rem;
  margin-bottom: 2px;
}
.cta-info-item span {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
}

/* Contact form */
.cta-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .92rem;
  color: var(--gray-700);
  background: var(--off-white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--deep-blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(15,43,91,.08);
}
.form-group textarea { resize: vertical; }

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-about {
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}
.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--transition);
}
.footer-socials a:hover {
  background: var(--gold);
  color: var(--navy);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: .88rem;
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--gold);
  padding-left: 4px;
}

/* Newsletter */
.footer-newsletter {
  display: flex;
  margin-top: 14px;
}
.footer-newsletter input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius) 0 0 var(--radius);
  background: rgba(255,255,255,.06);
  color: var(--white);
  font-size: .88rem;
  outline: none;
}
.footer-newsletter input::placeholder { color: rgba(255,255,255,.4); }
.footer-newsletter button {
  padding: 12px 18px;
  background: var(--gold);
  color: var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .95rem;
  transition: var(--transition);
}
.footer-newsletter button:hover { background: var(--gold-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: .82rem;
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a { transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--gold); }

/* =============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================= */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  font-size: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(37, 211, 102, .45);
  z-index: 1000;
  transition: var(--transition);
}
.whatsapp-float:hover {
  background: #1ebe5d;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 28px rgba(37, 211, 102, .55);
  color: #fff;
}

/* =============================================================
   BACK TO TOP
   ============================================================= */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--deep-blue);
  color: var(--gold);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--gold);
  color: var(--navy);
  transform: translateY(-4px);
}

/* =============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================= */

/* ---- Tablet landscape / small desktop ---- */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }
  .slide-title { font-size: 3rem; }
  .vision-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .directors-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

/* ---- Tablet portrait ---- */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 2rem; }
  .slide-title { font-size: 2.4rem; }
  .slide-text { font-size: 1rem; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 4px;
    transition: right .4s ease;
    box-shadow: -4px 0 30px rgba(0,0,0,.2);
  }
  .nav-links.open { right: 0; }
  .nav-link {
    color: rgba(255,255,255,.8) !important;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius);
  }
  .nav-link:hover { background: rgba(255,255,255,.08) !important; color: var(--white) !important; }
  .btn-nav { margin-top: 12px; }

  /* Grids to 2 columns */
  .vision-grid,
  .ports-list-grid,
  .services-grid { grid-template-columns: repeat(2, 1fr); }

  /* Two-column layouts to stack */
  .mission-layout,
  .cta-layout { grid-template-columns: 1fr; gap: 40px; }

  .mission-visual { order: -1; }
  .about-stats { gap: 30px; }

  .cta-info-grid { grid-template-columns: 1fr; }

  /* Scroll indicator hide */
  .scroll-indicator { display: none; }
}

/* ---- Mobile ---- */
@media (max-width: 540px) {
  .container { padding: 0 16px; }
  .section { padding: 52px 0; }
  .section-title { font-size: 1.7rem; }
  .slide-title { font-size: 1.9rem; }
  .slide-subtitle { font-size: .72rem; }

  .vision-grid,
  .ports-list-grid,
  .services-grid { grid-template-columns: 1fr; }

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

  .about-stats { flex-direction: column; align-items: center; gap: 20px; }

  .form-row { grid-template-columns: 1fr; }

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