/* ==========================================================================
   Shubh Trades / Shubh Eco — Design System & Global Styles
   ========================================================================== */

:root {
  /* Palette */
  --color-forest: #1F3D2B;
  --color-leaf: #4A7C59;
  --color-kraft: #B08159;
  --color-cream: #F7F3EC;
  --color-charcoal: #22221F;
  --color-gold: #C79A4B;

  /* Derived / utility tones */
  --color-forest-dark: #142a1d;
  --color-cream-alt: #efe8db;
  --color-white: #ffffff;
  --color-border: rgba(34, 34, 31, 0.1);
  --color-overlay: rgba(20, 42, 29, 0.55);

  /* Typography */
  --font-display: "Fraunces", "Playfair Display", Georgia, serif;
  --font-body: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;

  --fs-h1: clamp(2.5rem, 4.5vw + 1rem, 4rem);
  --fs-h2: clamp(2rem, 2.5vw + 1rem, 2.5rem);
  --fs-h3: 1.5rem;
  --fs-lead: clamp(1.125rem, 1vw + 0.5rem, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  --lh-body: 1.6;
  --lh-tight: 1.2;

  /* Layout */
  --content-max: 1200px;
  --section-pad-desktop: 100px;
  --section-pad-mobile: 56px;
  --radius: 12px;
  --radius-sm: 8px;

  /* Motion */
  --transition-fast: 180ms ease;
  --transition-base: 250ms ease;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(34, 34, 31, 0.08);
  --shadow-card-hover: 0 12px 28px rgba(31, 61, 43, 0.16);
  --shadow-header: 0 2px 16px rgba(34, 34, 31, 0.08);
}

/* --------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-charcoal);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  margin: 0 0 0.5em;
  color: var(--color-forest);
}

h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 600; }
h3 { font-size: var(--fs-h3); font-weight: 600; }

p {
  margin: 0 0 1em;
}

.lead {
  font-size: var(--fs-lead);
}

/* --------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad-mobile) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--section-pad-desktop) 0;
  }
}

.section--alt {
  background: var(--color-cream-alt);
}

.section--forest {
  background: var(--color-forest);
  color: var(--color-cream);
}

.section--forest h2,
.section--forest h3 {
  color: var(--color-cream);
}

.section-head {
  max-width: 700px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-kraft);
  margin-bottom: 12px;
}

.grid {
  display: grid;
  gap: 28px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-body);
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-forest);
  color: var(--color-cream);
}

.btn-primary:hover {
  background: var(--color-forest-dark);
  box-shadow: var(--shadow-card-hover);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-forest);
  color: var(--color-forest);
}

.btn-secondary:hover {
  background: var(--color-forest);
  color: var(--color-cream);
}

.btn-whatsapp {
  background: #25D366;
  color: #0b3d1f;
}

.btn-whatsapp:hover {
  background: #1ebe5a;
  box-shadow: var(--shadow-card-hover);
}

.btn-on-dark.btn-secondary {
  border-color: var(--color-cream);
  color: var(--color-cream);
}

.btn-on-dark.btn-secondary:hover {
  background: var(--color-cream);
  color: var(--color-forest);
}

/* --------------------------------------------------------------------
   Header
   -------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 243, 236, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-header);
  border-bottom-color: var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-forest);
}

.brand img {
  height: 40px;
  width: auto;
}

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

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-charcoal);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--color-forest);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-forest);
  margin: 5px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-cream);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .header-actions .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: block;
  }
}

/* --------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------- */
.hero {
  position: relative;
  color: var(--color-cream);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-overlay), rgba(20, 42, 29, 0.85));
  z-index: -1;
}

.hero .container {
  padding-top: 100px;
  padding-bottom: 100px;
  max-width: 780px;
}

.hero .eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.hero h1 {
  color: var(--color-white);
}

.hero p {
  color: rgba(247, 243, 236, 0.88);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

/* --------------------------------------------------------------------
   Trust bar
   -------------------------------------------------------------------- */
.trust-bar {
  background: var(--color-forest-dark);
  color: var(--color-cream);
  padding: 28px 0;
}

.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  flex: 1 1 200px;
}

.trust-bar__item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-cream-alt);
  color: var(--color-forest);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 10px;
}

.card p:last-child {
  margin-bottom: 0;
}

/* Product cards */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.product-card__media {
  aspect-ratio: 4 / 3;
  background: var(--color-cream-alt);
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-cream-alt);
  color: var(--color-forest);
  border: 1px solid var(--color-border);
}

.tag.is-active {
  background: var(--color-forest);
  color: var(--color-cream);
  border-color: var(--color-forest);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-chips button {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-charcoal);
  transition: all var(--transition-fast);
}

.filter-chips button:hover,
.filter-chips button.is-active {
  background: var(--color-forest);
  color: var(--color-cream);
  border-color: var(--color-forest);
}

.product-card__body .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* --------------------------------------------------------------------
   CTA banner
   -------------------------------------------------------------------- */
.cta-banner {
  background: var(--color-forest);
  color: var(--color-cream);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 28px;
}

.cta-banner .btn-primary {
  background: var(--color-gold);
  color: var(--color-forest-dark);
}

.cta-banner .btn-primary:hover {
  background: #d8ac5c;
  box-shadow: var(--shadow-card-hover);
}

/* --------------------------------------------------------------------
   Accordion (FAQ)
   -------------------------------------------------------------------- */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item__trigger {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-forest);
}

.accordion-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-forest);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
  font-size: 0.9rem;
}

.accordion-item.is-open .accordion-item__icon {
  transform: rotate(45deg);
}

.accordion-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease;
}

.accordion-item__panel-inner {
  padding: 0 4px 22px;
  color: var(--color-charcoal);
}

/* --------------------------------------------------------------------
   Steps / process
   -------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}

@media (max-width: 800px) {
  .steps { grid-template-columns: 1fr; }
}

.step {
  position: relative;
  padding: 32px 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.step__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 12px;
}

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */
.site-footer {
  background: var(--color-forest-dark);
  color: rgba(247, 243, 236, 0.85);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(247, 243, 236, 0.12);
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.site-footer h4 {
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.site-footer .brand {
  color: var(--color-cream);
  margin-bottom: 16px;
}

.site-footer ul li {
  margin-bottom: 12px;
}

.site-footer a {
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(247, 243, 236, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 28px;
  font-size: var(--fs-small);
  color: rgba(247, 243, 236, 0.6);
}

/* --------------------------------------------------------------------
   Floating WhatsApp button
   -------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  font-size: 1.75rem;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* --------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-forest);
}

.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-charcoal);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-leaf);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.18);
}

.form-note {
  font-size: var(--fs-small);
  color: rgba(34, 34, 31, 0.65);
  margin-top: 12px;
}

/* --------------------------------------------------------------------
   Contact page specifics
   -------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-cream-alt);
  color: var(--color-forest);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: none;
  width: 100%;
  height: 320px;
}

/* --------------------------------------------------------------------
   Placeholder image blocks (until real photography is supplied)
   -------------------------------------------------------------------- */
.img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: repeating-linear-gradient(
    45deg,
    var(--color-cream-alt),
    var(--color-cream-alt) 10px,
    #e4dcc9 10px,
    #e4dcc9 20px
  );
  color: var(--color-forest);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 16px;
  border-radius: inherit;
}

/* --------------------------------------------------------------------
   Scroll reveal
   -------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}