/* ============================================================
   MW-GRAINS — Main Stylesheet
   ============================================================ */

:root {
  --gold: #c8a96e;
  --gold-dark: #a8893e;
  --navy: #1a2744;
  --navy-light: #243358;
  --dark: #111827;
  --gray: #6b7280;
  --light: #f9f7f2;
  --white: #ffffff;
  --font-body: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

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

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200,169,110,0.2);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.12); }

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 2px;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav__link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.nav__link:hover, .nav__link.active {
  color: var(--navy);
  background: rgba(200,169,110,0.12);
}

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 8px;
}
.social-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--light);
  color: var(--navy);
  transition: background var(--transition), color var(--transition);
}
.social-icon:hover { background: var(--navy); color: var(--white); }
.social-icon--wa:hover { background: #25d366; color: var(--white); }

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
}
.lang {
  cursor: pointer;
  color: var(--gray);
  padding: 2px 4px;
  transition: color var(--transition);
}
.lang:hover, .lang.active { color: var(--gold); }
.lang-sep { color: var(--gray); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero:hover .hero__bg { transform: scale(1.0); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.55) 100%);
}
.hero__content {
  position: relative;
  text-align: center;
  color: var(--white);
  padding-top: 68px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 6px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
  margin-bottom: 12px;
}
.hero__sub {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  letter-spacing: 6px;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 40px;
  text-transform: uppercase;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn--gold {
  background: var(--gold);
  color: var(--white);
}
.btn--gold:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.4);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn--outline:hover {
  background: var(--white);
  color: var(--navy);
}
.btn--navy {
  background: var(--navy);
  color: var(--white);
}
.btn--navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 96px 0;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--navy);
  text-align: center;
  margin-bottom: 16px;
}
.section__subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============================================================
   CARDS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(200,169,110,0.15);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.14);
}
.card__icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}
.card__text {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   ACTIVITY PREVIEW
   ============================================================ */
.activity-preview {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 120px 0;
}
.activity-preview__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 39, 68, 0.78);
}
.activity-preview__content {
  position: relative;
  text-align: center;
  color: var(--white);
}
.activity-preview__content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}
.activity-preview__content p {
  font-size: 1.1rem;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--light);
  text-align: center;
}
.stats__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  margin-bottom: 8px;
}
.stats__number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
  line-height: 1;
}
.stats__label {
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: 56px;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
}
.stat-item__num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
}
.stat-item__label {
  color: var(--gray);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 120px 0;
}
.cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,39,68,0.88) 0%, rgba(26,39,68,0.70) 100%);
}
.cta__content {
  position: relative;
  text-align: center;
  color: var(--white);
}
.cta__content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}
.cta__content p {
  font-size: 1.05rem;
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  text-align: center;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.page-hero__sub {
  font-size: 1.05rem;
  opacity: 0.8;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.product-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.product-card:hover { transform: translateY(-6px); }
.product-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.product-card__body {
  padding: 24px;
}
.product-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.product-card__text {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.6;
}
.product-card__tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: rgba(200,169,110,0.15);
  color: var(--gold-dark);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* ============================================================
   CERTIFICATES
   ============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
.cert-card {
  background: var(--white);
  border: 2px solid rgba(200,169,110,0.25);
  border-radius: 12px;
  padding: 40px 24px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cert-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 32px rgba(200,169,110,0.2);
}
.cert-card__icon { font-size: 3rem; margin-bottom: 16px; }
.cert-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.cert-card__text { color: var(--gray); font-size: 0.88rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}
.testimonial-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gold);
}
.testimonial-card__stars { color: var(--gold); font-size: 1.2rem; margin-bottom: 12px; }
.testimonial-card__text {
  color: var(--dark);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-card__author {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.9rem;
}
.testimonial-card__company {
  color: var(--gray);
  font-size: 0.82rem;
}

/* Review Form */
.review-form-section {
  background: var(--light);
  padding: 64px 0;
}
.review-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  box-shadow: var(--shadow);
}
.review-form__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--navy);
  text-align: center;
  margin-bottom: 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e5e7eb;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.star-rating {
  display: flex;
  gap: 6px;
  font-size: 1.8rem;
  cursor: pointer;
}
.star-rating .star { color: #d1d5db; transition: color var(--transition); }
.star-rating .star.active,
.star-rating .star:hover,
.star-rating .star:hover ~ .star { color: var(--gold); }
.star-rating:hover .star { color: var(--gold); }
.star-rating .star:hover ~ .star { color: #d1d5db; }
.form-success {
  display: none;
  text-align: center;
  color: #16a34a;
  font-weight: 600;
  padding: 16px;
  background: #f0fdf4;
  border-radius: var(--radius);
  margin-top: 16px;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.blog-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.blog-card:hover { transform: translateY(-6px); }
.blog-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.blog-card__body { padding: 24px; }
.blog-card__date { color: var(--gold); font-size: 0.8rem; font-weight: 600; margin-bottom: 8px; }
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.4;
}
.blog-card__text { color: var(--gray); font-size: 0.9rem; line-height: 1.6; }
.blog-card__link {
  display: inline-block;
  margin-top: 16px;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.85rem;
  transition: color var(--transition);
}
.blog-card__link:hover { color: var(--gold-dark); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 24px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-item__icon {
  width: 44px; height: 44px;
  background: rgba(200,169,110,0.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item__label { font-weight: 600; color: var(--navy); font-size: 0.9rem; }
.contact-item__value { color: var(--gray); font-size: 0.9rem; }
.contact-form {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  box-shadow: var(--shadow);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand .logo { color: var(--white); margin-bottom: 12px; display: block; }
.footer__brand p { font-size: 0.9rem; line-height: 1.7; }
.footer__links h4,
.footer__contact h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--gold); }
.footer__contact p { font-size: 0.9rem; margin-bottom: 16px; }
.footer__contact .social-icons { margin-top: 8px; }
.footer__contact .social-icon {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.75);
}
.footer__contact .social-icon:hover { background: var(--gold); color: var(--white); }
.footer__bottom {
  text-align: center;
  padding: 20px;
  font-size: 0.82rem;
  opacity: 0.5;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav { display: none; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: var(--white); padding: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); z-index: 999; }
  .nav.open { display: flex; }
  .nav__link { padding: 12px 16px; font-size: 0.9rem; border-radius: var(--radius); }
  .burger { display: flex; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .footer__inner { grid-template-columns: 1fr; }
  .review-form { padding: 32px 24px; }
  .contact-form { padding: 32px 24px; }
  .hero__title { letter-spacing: 3px; }
}