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

:root {
  --navy: #003366;
  --blue: #005599;
  --light-blue: #0077cc;
  --gold: #c8952e;
  --gold-light: #e0b04f;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --gray-light: #e8ecf1;
  --gray: #6b7b8d;
  --text: #1a2a3a;
  --shadow: 0 4px 24px rgba(0, 30, 60, 0.10);
  --shadow-lg: 0 8px 40px rgba(0, 30, 60, 0.15);
  --radius: 8px;
  --transition: 0.3s ease;
}

html {
  /* scroll-behavior handled by JS for speed control */
  scroll-behavior: auto;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER / NAV ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 51, 102, 0.95);
  backdrop-filter: blur(10px);
  overflow: visible;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(0, 51, 102, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 150px;
  transition: height 0.4s ease;
}

.header.scrolled .nav {
  height: 70px;
}

.nav__logo {
  display: flex;
  align-items: center;
  align-self: flex-start;
  gap: 16px;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
  padding-top: 8px;
  transition: gap 0.4s ease, font-size 0.4s ease, padding 0.4s ease;
}

.header.scrolled .nav__logo {
  align-self: center;
  padding-top: 0;
}

.header.scrolled .nav__logo {
  gap: 10px;
  font-size: 1.1rem;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  transition: opacity 0.4s ease;
}

.nav__logo-text small {
  font-size: 0.55em;
  font-weight: 400;
  letter-spacing: 3px;
  opacity: 0.7;
}

.header.scrolled .nav__logo-text small {
  display: none;
}

.nav__logo img {
  height: 160px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 1px white) drop-shadow(0 0 2px white);
  transition: height 0.4s ease, filter var(--transition);
}

.header.scrolled .nav__logo img {
  height: 50px;
}

.nav__logo:hover img {
  filter: drop-shadow(0 0 2px white) drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.2);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

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

.back-to-top:hover {
  background: var(--blue);
  border-color: rgba(255, 255, 255, 0.4);
}

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO (HOME) ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--navy);
}

.hero__video {
  position: absolute;
  inset: -10%;
  width: 120%;
  height: 120%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0, 51, 102, 0.5) 0%,
    rgba(0, 51, 102, 0.65) 60%,
    rgba(0, 51, 102, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
}

.hero__subtitle {
  font-size: 1.1rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero__tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.hero__cta {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.2s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animated Waves */
.hero__waves {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 3;
  height: 120px;
  overflow: hidden;
}

.wave {
  position: absolute;
  bottom: 0;
  left: -5%;
  width: 110%;
  height: 100%;
  animation: wave linear infinite;
}

.wave svg {
  width: 100%;
  height: 100%;
}

.wave--1 {
  animation-duration: 7s;
  opacity: 0.6;
}

.wave--2 {
  animation-duration: 5s;
  animation-delay: -2s;
  opacity: 0.4;
}

.wave--3 {
  animation-duration: 9s;
  animation-delay: -4s;
  opacity: 0.8;
}

@keyframes wave {
  0% { transform: translateX(0); }
  50% { transform: translateX(-5%); }
  100% { transform: translateX(0); }
}


/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

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

.btn--primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(200, 149, 46, 0.4);
}

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

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

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

.btn--dark:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ===== SECTIONS ===== */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--off-white);
}

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

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

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

.section__desc {
  max-width: 640px;
  margin: 0 auto;
  color: var(--gray);
  font-size: 1.05rem;
}

.section--dark .section__desc {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== STATS ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 48px 0;
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== FEATURE CARDS ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature:hover::before {
  transform: scaleX(1);
}

.feature__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--white);
}

.feature__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.feature__text {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== ABOUT GRID ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-grid__image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-grid__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-grid__image:hover img {
  transform: scale(1.05);
}

.about-grid__content h3 {
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 16px;
}

.about-grid__content p {
  color: var(--gray);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ===== TIMELINE ===== */
.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-light);
}

.timeline__item {
  position: relative;
  padding-bottom: 40px;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--gold);
}

.timeline__year {
  font-weight: 700;
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.timeline__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.timeline__text {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card[id] {
  scroll-margin-top: 100px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-card__image {
  height: 200px;
  overflow: hidden;
}

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

.service-card:hover .service-card__image img {
  transform: scale(1.1);
}

.service-card__body {
  padding: 28px 24px;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card__text {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(200, 149, 46, 0.08) 0%, transparent 70%);
  animation: ctaPulse 8s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.cta-banner__title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.cta-banner__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* ===== STRENGTHS ===== */
.strengths {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.strength {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition);
}

.strength:hover {
  background: rgba(255, 255, 255, 0.1);
}

.strength__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(200, 149, 46, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gold);
}

.strength__title {
  font-weight: 600;
  margin-bottom: 4px;
}

.strength__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
}

.contact-item__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gray);
  margin-bottom: 4px;
}

.contact-item__value {
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.contact-form h3 {
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 85, 153, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e8f5e9;
  color: #2e7d32;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
}

.form-success h3 {
  color: var(--navy);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--gray);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 210px 0 80px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/evergreen-container-ship-wide.jpg') center/cover no-repeat;
  opacity: 0.15;
}

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.page-hero__text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ===== FOOTER ===== */
.footer {
  background: #001a33;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand h3 {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 12px;
}

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

.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

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

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    height: 290px;
    width: 280px;
    background: #003366;
    flex-direction: column;
    padding: 120px 32px 32px;
    gap: 0;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s ease, visibility 0s 0.35s;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.3);
    z-index: 999;
  }

  .nav__links.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.35s ease, visibility 0s 0s;
  }

  .nav__link {
    padding: 16px 0;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav__link::after {
    bottom: 12px;
  }

  .nav__toggle {
    display: flex;
  }

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

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

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

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

  .hero__waves {
    height: 60px;
  }

  .section {
    padding: 64px 0;
  }

  .contact-form {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

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