/* ========================================
   SEA MAKEUP PHILIPPINES - Global Styles
   Color Palette: #2d3436 (charcoal) / #e17055 (coral)
   Fonts: Poiret One + Questrial
   ======================================== */

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

:root {
  --charcoal: #2d3436;
  --coral: #e17055;
  --coral-light: #fab1a0;
  --coral-dark: #c0392b;
  --white: #ffffff;
  --off-white: #faf9f7;
  --light-gray: #f0eded;
  --medium-gray: #b2bec3;
  --dark-gray: #636e72;
  --font-display: 'Poiret One', cursive;
  --font-body: 'Questrial', sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: 2px;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 1.5px;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  letter-spacing: 1px;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border: 2px solid var(--coral);
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  background: transparent;
  color: var(--coral);
}

.btn:hover {
  background: var(--coral);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(225, 112, 85, 0.3);
}

.btn--filled {
  background: var(--coral);
  color: var(--white);
}

.btn--filled:hover {
  background: var(--coral-dark);
  border-color: var(--coral-dark);
}

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

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

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 3px;
  color: var(--charcoal);
  text-transform: uppercase;
}

.nav__logo span {
  color: var(--coral);
}

.nav__links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  padding-bottom: 4px;
}

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

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

.nav__links a.active {
  color: var(--coral);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--charcoal);
  transition: all var(--transition);
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--charcoal) 0%, #1a1a2e 100%);
  color: var(--white);
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(225, 112, 85, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--coral-light);
  margin-bottom: 20px;
}

.hero__title {
  margin-bottom: 24px;
}

.hero__description {
  font-size: 1.1rem;
  color: var(--medium-gray);
  margin-bottom: 40px;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Section Styles --- */
.section {
  padding: 100px 0;
}

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

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

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__header h2 {
  margin-bottom: 16px;
}

.section__header p {
  color: var(--dark-gray);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section__header p {
  color: var(--medium-gray);
}

.section__divider {
  width: 60px;
  height: 2px;
  background: var(--coral);
  margin: 16px auto 0;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.card__body {
  padding: 24px;
}

.card__category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--coral);
  margin-bottom: 8px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.card__text {
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* --- Features / Benefits Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  text-align: center;
}

.feature {
  padding: 30px 20px;
}

.feature__icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--coral);
}

.feature__title {
  margin-bottom: 12px;
}

.feature__text {
  color: var(--dark-gray);
  font-size: 0.9rem;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(45, 52, 54, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__overlay span {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

/* --- Two Column Layout --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split__image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.split__content h2 {
  margin-bottom: 20px;
}

.split__content p {
  color: var(--dark-gray);
}

/* --- Ingredient Highlight --- */
.ingredients {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.ingredient {
  background: var(--white);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--light-gray);
  transition: border-color var(--transition);
}

.ingredient:hover {
  border-color: var(--coral);
}

.ingredient__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.ingredient__desc {
  font-size: 0.85rem;
  color: var(--dark-gray);
  margin-bottom: 0;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--dark-gray);
}

.contact-info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 40px;
  height: 40px;
  background: var(--coral);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

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

.contact-form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  color: var(--dark-gray);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--light-gray);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--charcoal);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--coral);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Social Links --- */
.social-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.social-links a {
  width: 44px;
  height: 44px;
  border: 1px solid var(--medium-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1.1rem;
}

.social-links a:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--white);
}

/* --- Shop Links Banner --- */
.shop-banner {
  background: var(--coral);
  padding: 60px 0;
  text-align: center;
  color: var(--white);
}

.shop-banner h2 {
  margin-bottom: 12px;
}

.shop-banner p {
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.85);
}

.shop-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.shop-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: all var(--transition);
}

.shop-link:hover {
  background: var(--white);
  color: var(--coral);
}

/* --- Footer --- */
.site-footer {
  background: var(--charcoal);
  color: var(--medium-gray);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-col p {
  font-size: 0.9rem;
  color: var(--medium-gray);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--medium-gray);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--coral);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  font-size: 0.85rem;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-body);
  z-index: 2001;
}

.lightbox__img {
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
}

/* --- Page Header (interior pages) --- */
.page-header {
  background: linear-gradient(135deg, var(--charcoal) 0%, #1a1a2e 100%);
  color: var(--white);
  padding: 140px 20px 80px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--coral);
}

.page-header p {
  color: var(--medium-gray);
  max-width: 600px;
  margin: 12px auto 0;
}

/* --- Scroll to top --- */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--coral);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: all var(--transition);
}

.scroll-top.visible {
  display: flex;
}

.scroll-top:hover {
  background: var(--coral-dark);
  transform: translateY(-3px);
}

/* --- 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);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split--reverse .split__image {
    order: -1;
  }

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

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

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right 0.4s ease;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__links a {
    font-size: 1.1rem;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .hero {
    min-height: 80vh;
    padding: 120px 20px 60px;
  }

  .section {
    padding: 70px 0;
  }

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

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

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .shop-links {
    flex-direction: column;
    align-items: center;
  }
}