/*
Theme Name: Decanteco Trading Limited
Theme URI:
Author: Decanteco
Description: Custom corporate theme for Decanteco Trading Limited
Version: 1.0.0
Text Domain: dkt
*/

/* =============================================
   DECANTECO TRADING LIMITED — Stylesheet
   ============================================= */

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

:root {
  --navy-dark:  #09152a;
  --navy:       #0d1e3d;
  --navy-mid:   #122350;
  --navy-light: #1a2f62;
  --accent:     #c8a96e;
  --white:      #ffffff;
  --gray-light: #e8ecf2;
  --gray:       #9aa5b8;
  --text:       #d0d8e8;
  --font:       'Inter', 'Segoe UI', system-ui, sans-serif;
  --transition: 0.35s ease;
}

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

body {
  font-family: var(--font);
  background: var(--navy-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  color: var(--white);
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

/* --- Section label --- */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 4rem;
  transition: background var(--transition), padding var(--transition);
}

.navbar.scrolled {
  background: rgba(9, 21, 42, 0.97);
  padding: 1rem 4rem;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.navbar__logo-icon {
  width: 32px;
  height: 32px;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0;
  flex-shrink: 0;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.navbar__logo-text span:first-child {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.navbar__logo-text span:last-child {
  font-size: 0.65rem;
  color: var(--gray);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.navbar__nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-light);
  transition: color var(--transition);
}

.navbar__nav a:hover {
  color: var(--white);
}

.navbar__cta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white) !important;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.55rem 1.4rem;
  transition: background var(--transition), border-color var(--transition) !important;
}

.navbar__cta:hover {
  background: rgba(255,255,255,0.1) !important;
  border-color: rgba(255,255,255,0.7) !important;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: 0;
  color: inherit;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: 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;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--navy-dark);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  list-style: none;
}

.navbar__mobile.open {
  display: flex;
}

.navbar__mobile a {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--white);
}

.navbar__hamburger:focus-visible,
.hero__scroll:focus-visible,
.activity-card:focus-visible,
.navbar__mobile a:focus-visible,
.navbar__nav a:focus-visible {
  outline: 2px solid rgba(200,169,110,0.9);
  outline-offset: 3px;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 0 4rem 6rem;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(9,21,42,0.6) 0%, rgba(9,21,42,0.85) 60%, rgba(9,21,42,1) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="%230d1e3d"/></svg>');
  background-size: cover;
  background-position: center;
}

/* Animated geometric background */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero__bg-shape {
  position: absolute;
  border: 1px solid rgba(200, 169, 110, 0.12);
  border-radius: 2px;
}

.hero__bg-shape:nth-child(1) {
  width: 500px; height: 500px;
  top: -100px; right: -100px;
  transform: rotate(15deg);
}

.hero__bg-shape:nth-child(2) {
  width: 300px; height: 300px;
  top: 30%; right: 20%;
  transform: rotate(-8deg);
  border-color: rgba(200,169,110,0.07);
}

.hero__bg-shape:nth-child(3) {
  width: 700px; height: 700px;
  bottom: -200px; right: -200px;
  transform: rotate(5deg);
  border-color: rgba(26,47,98,0.6);
  background: rgba(13,30,61,0.3);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero__title strong {
  font-weight: 700;
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--gray);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  transition: color var(--transition);
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
}

.hero__scroll:hover { color: var(--white); }

.hero__scroll-line {
  width: 40px;
  height: 1px;
  background: var(--gray);
  transition: width var(--transition);
}

.hero__scroll:hover .hero__scroll-line {
  width: 60px;
  background: var(--white);
}

/* =============================================
   SECTIONS — shared
   ============================================= */
.section {
  padding: 7rem 4rem;
}

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

.section--mid {
  background: var(--navy);
}

.section__header {
  margin-bottom: 4rem;
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 680px;
}

.section__title strong {
  font-weight: 700;
}

.section__body {
  max-width: 720px;
  color: var(--text);
  font-size: 0.97rem;
}

.section__body p + p {
  margin-top: 1.2rem;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about__right {
  padding-top: 3rem;
}

.about__stat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.about__stat-item {}

.about__stat-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.04em;
}

.about__stat-number span {
  color: var(--accent);
}

.about__stat-label {
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.4rem;
}

/* =============================================
   ACTIVITIES
   ============================================= */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}

.activity-card {
  background: var(--navy-dark);
  padding: 3rem;
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.activity-card:focus-visible {
  border: 1px solid rgba(200,169,110,0.55);
}

.activity-card:hover {
  background: var(--navy);
}

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

.activity-card:hover::after {
  width: 100%;
}

.activity-card__num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.activity-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.activity-card__text {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.7;
}

.activity-card__list {
  list-style: none;
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--gray);
  display: none;
}

.activity-card__list li {
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
}

.activity-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
}

.activity-card.expanded .activity-card__list {
  display: block;
}

.activity-card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--transition);
}

.activity-card:hover .activity-card__more {
  gap: 0.8rem;
}

/* =============================================
   RISK MANAGEMENT
   ============================================= */
.risk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.risk-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.risk-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--text);
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.risk-list li:last-child {
  border-bottom: none;
}

.risk-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

/* =============================================
   INSTITUTIONAL
   ============================================= */
.institutional-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.inst-card {
  padding: 2.5rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: border-color var(--transition);
}

.inst-card:hover {
  border-color: rgba(200,169,110,0.3);
}

.inst-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
}

.inst-card__text {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.inst-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.inst-tag {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--gray);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.3rem 0.8rem;
  text-transform: uppercase;
}

/* =============================================
   CONTACT / FOOTER
   ============================================= */
.contact {
  background: var(--navy-dark);
  padding: 7rem 4rem 4rem;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.contact__subtitle {
  font-size: 0.88rem;
  color: var(--gray);
  max-width: 360px;
  line-height: 1.7;
}

.contact__details {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
  padding: 1.5rem;
}

.contact__details p {
  font-size: 0.9rem;
  color: var(--text);
}

.contact__details p + p {
  margin-top: 0.65rem;
}

.contact__details strong {
  color: var(--white);
}

.contact__details a {
  color: var(--accent);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--gray);
}

.footer__disclaimer {
  font-size: 0.72rem;
  color: rgba(154,165,184,0.6);
  max-width: 560px;
  text-align: right;
  line-height: 1.5;
}

/* =============================================
   DIVIDER
   ============================================= */
.divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.js .fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .navbar { padding: 1.2rem 2.5rem; }
  .navbar.scrolled { padding: 0.9rem 2.5rem; }
  .section { padding: 5rem 2.5rem; }
  .hero { padding: 0 2.5rem 5rem; }
  .contact { padding: 5rem 2.5rem 3rem; }
  .about { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__right { padding-top: 0; }
  .risk-grid { grid-template-columns: 1fr; gap: 3rem; }
  .institutional-grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer__disclaimer { text-align: left; max-width: 100%; }
}

@media (max-width: 768px) {
  .navbar__nav,
  .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }
  .activities-grid { grid-template-columns: 1fr; }
  .about__stat { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .navbar { padding: 1rem 1.5rem; }
  .section { padding: 4rem 1.5rem; }
  .hero { padding: 0 1.5rem 4rem; }
  .contact { padding: 4rem 1.5rem 2.5rem; }
  .activity-card { padding: 2rem; }
  .about__stat { grid-template-columns: 1fr; }
}