/* =========================================================
   Sapthagiri Sewing Machine — Design System & Site Styles
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Color — bold industrial: charcoal structure + orange/blue from the SSM logo */
  --color-primary: #12181F;
  --color-primary-soft: #1C2530;
  --color-accent: #2E7BC4;
  --color-accent-orange: #F2811D;
  --color-accent-orange-dark: #D9690A;
  --color-charcoal: #15181C;
  --color-charcoal-soft: #55595F;
  --color-bg: #FAF9F6;
  --color-bg-dark: #12181F;
  --color-surface: #FFFFFF;
  --color-surface-tint: #F3F1EA;
  --color-border: #E7E4DD;
  --color-border-strong: #D3CFC5;
  --color-on-dark: #FFFFFF;
  --color-on-dark-soft: rgba(255, 255, 255, 0.66);
  --color-on-dark-border: rgba(255, 255, 255, 0.14);
  --color-success: #2E7D4F;
  --color-error: #B3261E;

  /* Type */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Oswald', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display-heavy: 'Archivo Black', 'Oswald', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-display: clamp(2.75rem, 5.5vw, 5rem);
  --fs-h1: clamp(2rem, 3.2vw, 3rem);
  --fs-h2: clamp(1.5rem, 2.2vw, 2.125rem);
  --fs-h3: 1.375rem;
  --fs-body-lg: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;
  --lh-tight: 1.1;
  --lh-snug: 1.35;
  --lh-normal: 1.6;

  /* Glass / depth */
  --glass-bg: rgba(255, 255, 255, 0.07);
  --glass-bg-strong: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.16);
  --shadow-float: 0 24px 60px rgba(0, 0, 0, 0.4);

  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 16px;
  --sp-4: 24px;
  --sp-5: 40px;
  --sp-6: 64px;
  --sp-7: 96px;
  --sp-8: 128px;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 76px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --border-thin: 1px solid var(--color-border);
  --border-thin-dark: 1px solid var(--color-on-dark-border);
  --shadow-soft: 0 1px 2px rgba(18, 24, 31, 0.05), 0 8px 24px rgba(18, 24, 31, 0.08);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }
img, picture { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-charcoal);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

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

p { color: var(--color-charcoal-soft); }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

@media (max-width: 640px) {
  .container { padding-inline: var(--sp-3); }
}

section { padding-block: var(--sp-6); }

@media (max-width: 900px) {
  section { padding-block: var(--sp-5); }
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  margin-bottom: var(--sp-2);
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--sp-5);
}

.section-head--center { margin-inline: auto; text-align: center; }

.section-head p { margin-top: var(--sp-3); font-size: var(--fs-body-lg); }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: border-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1);
}

.btn--primary {
  background: var(--color-accent-orange);
  color: #fff;
}
.btn--primary::before { background: var(--color-accent-orange-dark); }
.btn--primary:hover::before { transform: scaleX(1); }

.btn--outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-charcoal);
}
.btn--outline:hover { border-color: var(--color-accent-orange); color: var(--color-accent-orange); }

.btn--ghost {
  background: transparent;
  color: var(--color-accent-orange);
  padding-inline: 4px;
}
.btn--ghost:hover { color: var(--color-accent-orange-dark); }

.btn--full { width: 100%; }

.btn--sm { padding: 9px 18px; font-size: var(--fs-micro); }

/* Outline buttons sitting on dark backgrounds (hero, footer, dark CTA) */
.hero .btn--outline,
.footer .btn--outline,
.page-header .btn--outline {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.hero .btn--outline:hover,
.footer .btn--outline:hover,
.page-header .btn--outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ---------- Utility bar ---------- */
.utility-bar {
  background: var(--color-bg-dark);
  color: var(--color-on-dark-soft);
  padding-block: 9px;
}
.utility-bar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  max-width: none;
}
.utility-bar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.utility-bar__item {
  font-size: var(--fs-micro);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.utility-bar a.utility-bar__item:hover { color: #fff; }
.utility-bar__tagline {
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  font-weight: 600;
}
@media (max-width: 700px) {
  .utility-bar__tagline { display: none; }
}
@media (max-width: 560px) {
  .utility-bar__links > a:nth-child(2) { display: none; }
}
@media (max-width: 400px) {
  .utility-bar__links > span { display: none; }
}

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: var(--border-thin);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.nav.is-scrolled {
  box-shadow: 0 8px 24px rgba(18, 24, 31, 0.08);
  background: rgba(250, 250, 249, 0.98);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  transition: height var(--transition-base);
  max-width: none;
}

.nav.is-scrolled .nav__inner { height: calc(var(--nav-height) - 12px); }

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.05;
}

.nav__logo-badge {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: contain;
}

.nav__logo-text { display: flex; flex-direction: column; }

.nav__logo-mark {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.nav__logo-sub {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  margin-top: 3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

.nav__links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-charcoal-soft);
  position: relative;
  padding-block: 4px;
  transition: color var(--transition-base);
}

.nav__links a:hover, .nav__links a.is-active { color: var(--color-primary); }

.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--color-accent-orange);
}

.nav__actions { display: flex; align-items: center; gap: var(--sp-3); }

.nav__phone {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-charcoal);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-charcoal);
  margin: 5px 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__phone { display: none; }
  .nav__toggle { display: block; }

  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
    position: absolute;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: var(--border-thin);
    padding: var(--sp-4);
  }

  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 480px) {
  .nav__inner { height: 68px; }
  .nav__logo { gap: 8px; }
  .nav__logo-badge { width: 34px; height: 34px; }
  .nav__logo-mark { font-size: 1.02rem; }
  .nav__logo-sub { font-size: 0.56rem; letter-spacing: 0.1em; }
  .nav__actions { gap: var(--sp-2); }
  .nav__actions .btn--sm { padding: 8px 12px; }
  .nav__toggle { padding: 6px 4px; }

  .nav.is-open .nav__links { top: 68px; }
}

@media (max-width: 360px) {
  .nav__logo-sub { display: none; }
}

/* ---------- Hero carousel (diagonal panel + photo mosaic) ---------- */
.hero-carousel {
  position: relative;
  height: clamp(560px, 76vh, 660px);
  background: var(--color-bg-dark);
  overflow: hidden;
  padding-block: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 620px) 1fr;
  grid-template-rows: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 700ms ease;
  pointer-events: none;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.hero-slide__panel {
  position: relative;
  z-index: 2;
  background: var(--color-bg-dark);
  color: var(--color-on-dark-soft);
  padding: var(--sp-5) clamp(var(--sp-4), 5vw, var(--sp-7)) var(--sp-5) clamp(var(--sp-4), 6vw, var(--sp-8));
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  clip-path: polygon(0 0, 94% 0, 88% 100%, 0 100%);
}

.hero-slide__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at 0% 50%, rgba(0,0,0,0.7), transparent 70%);
}

.hero-slide__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.hero-slide__logo { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; }
.hero-slide__divider { width: 1px; height: 34px; background: var(--color-on-dark-border); }
.hero-slide__tag {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-on-dark-soft);
}

.hero-slide__title {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.14;
  color: #fff;
  letter-spacing: -0.01em;
}
.hero-slide__title em {
  font-style: normal;
  color: var(--color-accent-orange);
}

.hero-slide__sub {
  margin-top: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-body-lg);
  font-weight: 500;
  color: #fff;
}

.hero-slide__desc {
  margin-top: 6px;
  font-size: var(--fs-small);
  max-width: 42ch;
  color: var(--color-on-dark-soft);
}

.hero-slide__cta { margin-top: var(--sp-4); align-self: flex-start; }

.hero-slide__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  margin-top: var(--sp-4);
  max-width: 460px;
}
.hero-slide__features > div {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent-orange);
}
.hero-slide__features span {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-on-dark-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.hero-slide__dealers {
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: var(--border-thin-dark);
}
.hero-slide__dealers-label {
  display: block;
  font-size: var(--fs-micro);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--sp-2);
}
.hero-slide__dealer-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  max-width: 460px;
}
.hero-slide__dealer-logos span {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.75);
}

.hero-slide__visual {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg-dark);
  margin-left: -80px;
  border-left: 4px solid var(--color-accent-orange);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.35);
}

.hero-slide__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 1400ms cubic-bezier(0.4, 0, 0.2, 1);
}
.hero-slide.is-active .hero-slide__media { transform: scale(1.04); }

@media (max-width: 1100px) {
  .hero-slide { grid-template-columns: minmax(0, 54%) 1fr; }
  .hero-slide__visual { margin-left: -40px; }
}

@media (max-width: 860px) {
  .hero-carousel { height: auto; }
  .hero-slide {
    position: static;
    inset: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: none;
  }
  .hero-slide.is-active { display: grid; }
  .hero-slide__panel { clip-path: none; padding-block: var(--sp-4); overflow-y: visible; }
  .hero-slide__visual { height: 260px; margin-left: 0; border-left: none; border-top: 4px solid var(--color-accent-orange); }
}

/* Carousel controls */
.hero-carousel__arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  transform: translateY(-50%);
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base), border-color var(--transition-base);
}
.hero-carousel__arrow:hover { background: var(--color-accent-orange); border-color: var(--color-accent-orange); }
.hero-carousel__arrow--prev { left: var(--sp-3); }
.hero-carousel__arrow--next { right: var(--sp-3); }

@media (max-width: 640px) {
  .hero-carousel__arrow { display: none; }
}

.hero-carousel__dots {
  position: absolute;
  left: 50%;
  bottom: var(--sp-4);
  z-index: 5;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.hero-carousel__dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.35);
  transition: background var(--transition-base), transform var(--transition-base);
}
.hero-carousel__dots button.is-active {
  background: var(--color-accent-orange);
  transform: scale(1.3);
}

.hero__art {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  border: var(--border-thin);
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__art:hover img { transform: scale(1.05); }

.stitch-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    var(--color-primary) 0px,
    var(--color-primary) 1px,
    transparent 1px,
    transparent 26px
  );
  opacity: 0.06;
}

/* ---------- Trust bar (legacy, kept for any residual use) ---------- */
.trustbar {
  padding-block: var(--sp-5);
  border-bottom: var(--border-thin);
  background: var(--color-surface);
}

.trustbar__row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.trustbar__item {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-charcoal-soft);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.trustbar__item::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent-orange);
  flex-shrink: 0;
}

/* ---------- Marquee strip ---------- */
.marquee {
  position: relative;
  z-index: 3;
  background: var(--color-primary);
  border-bottom: 1px solid var(--color-on-dark-border);
  overflow: hidden;
  padding-block: var(--sp-3);
}

.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--sp-6);
  animation: marquee-scroll 32s linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee__item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-on-dark-soft);
  white-space: nowrap;
}

.marquee__item::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-orange);
  margin-left: var(--sp-6);
}

/* ---------- Angled section dividers ---------- */
.angled {
  position: relative;
  clip-path: polygon(0 28px, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(var(--sp-7) + 28px);
}

.angled--reverse {
  clip-path: polygon(0 0, 100% 28px, 100% 100%, 0 100%);
}

.angled--both {
  clip-path: polygon(0 28px, 100% 0, 100% calc(100% - 28px), 0 100%);
  padding-bottom: calc(var(--sp-7) + 28px);
}

.angled + .angled,
.angled + .angled--reverse,
.angled--reverse + .angled,
.angled--both + * {
  margin-top: -28px;
}

@media (max-width: 640px) {
  .angled, .angled--reverse, .angled--both { clip-path: none; padding-top: var(--sp-7); padding-bottom: var(--sp-7); margin-top: 0 !important; }
}

/* ---------- Feature / Service blocks ---------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.feature-card {
  position: relative;
  background: var(--color-surface);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 0% 0%, rgba(242, 129, 29, 0.06), transparent 60%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.feature-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-orange), var(--color-accent-orange-dark));
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
  transition: transform 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
  border-color: var(--color-accent-orange);
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after { transform: scaleX(1); }

.feature-card__icon {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(242, 129, 29, 0.14), rgba(242, 129, 29, 0.02));
  border: 1.5px solid var(--color-accent-orange);
  color: var(--color-accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-card__icon { transform: scale(1.08) rotate(-4deg); }

.feature-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  margin: calc(-1 * var(--sp-5)) calc(-1 * var(--sp-4)) var(--sp-4);
  background: var(--color-surface-tint);
}
.feature-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-card:hover .feature-card__media img { transform: scale(1.06); }

.feature-card__index {
  font-size: var(--fs-micro);
  font-weight: 700;
  color: var(--color-accent-orange);
  letter-spacing: 0.08em;
}

.feature-card h3 { margin-top: var(--sp-3); font-size: 1.15rem; }

.feature-card p { margin-top: var(--sp-2); font-size: var(--fs-small); }

.feature-card__link {
  display: inline-block;
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-orange);
}

/* ---------- Why us / checklist ---------- */
.checklist { display: flex; flex-direction: column; gap: var(--sp-3); }
.checklist__item { display: flex; gap: var(--sp-3); align-items: flex-start; }
.checklist__mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-orange);
  color: var(--color-accent-orange);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0; margin-top: 2px;
}
.checklist__item h4 { font-size: var(--fs-body); font-weight: 600; }
.checklist__item p { font-size: var(--fs-small); margin-top: 2px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-accent-orange), var(--color-accent-orange-dark));
  border-radius: var(--radius-md);
  padding: var(--sp-6) var(--sp-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); margin-top: var(--sp-2); }
.cta-band .btn--outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.cta-band .btn--outline:hover { border-color: #fff; background: rgba(255,255,255,0.12); }
.cta-band .btn--primary { background: #fff; color: var(--color-accent-orange-dark); }
.cta-band .btn--primary:hover { background: #FFF3E7; }

/* ---------- Footer ---------- */
.footer {
  position: relative;
  border-top: var(--border-thin);
  padding-block: var(--sp-6) var(--sp-4);
  background: var(--color-bg-dark);
  color: var(--color-on-dark-soft);
  overflow: hidden;
}

.footer::before {
  content: "SAPTHAGIRI";
  position: absolute;
  left: 50%;
  bottom: -6%;
  transform: translateX(-50%);
  font-family: var(--font-display-heavy);
  font-size: clamp(4rem, 14vw, 11rem);
  line-height: 1;
  color: rgba(255, 255, 255, 0.035);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}

.footer .container { position: relative; z-index: 1; }

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--sp-5);
}

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.footer__brand { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer__brand-row { display: flex; align-items: center; gap: 10px; }
.footer__brand .nav__logo-badge { width: 36px; height: 36px; }
.footer__brand .nav__logo-mark { color: #fff; }
.footer__brand p { font-size: var(--fs-small); max-width: 32ch; color: var(--color-on-dark-soft); }

.footer h4 {
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--sp-3);
}

.footer ul { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer a { font-size: var(--fs-small); color: var(--color-on-dark-soft); transition: color var(--transition-base); }
.footer a:hover { color: var(--color-accent-orange); }
.footer li > span { color: var(--color-on-dark-soft); }

.footer__bottom {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: var(--border-thin-dark);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: var(--fs-micro);
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  position: relative;
  padding-block: var(--sp-7) var(--sp-6);
  background: var(--color-bg-dark);
  color: var(--color-on-dark-soft);
  overflow: hidden;
  isolation: isolate;
}

.page-header__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-header__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-header__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(18, 24, 31, 0.96) 30%, rgba(18, 24, 31, 0.6) 100%);
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.6), transparent 80%);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--color-on-dark-soft);
  margin-bottom: var(--sp-3);
}
.breadcrumb a { color: var(--color-accent-orange); font-weight: 500; }
.breadcrumb span[aria-hidden] { color: rgba(255, 255, 255, 0.3); }

.page-header h1 { font-size: var(--fs-h1); color: #fff; }
.page-header p { margin-top: var(--sp-3); font-size: var(--fs-body-lg); max-width: 60ch; color: var(--color-on-dark-soft); }

/* ---------- Accordion (legacy — kept for any residual use) ---------- */
.category-block { margin-bottom: var(--sp-6); }
.category-block h2 { margin-bottom: var(--sp-3); }

.accordion { border: var(--border-thin); border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface); }

.accordion__row { border-bottom: var(--border-thin); }
.accordion__row:last-child { border-bottom: none; }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--fs-body-lg);
  font-weight: 600;
  transition: background var(--transition-base);
}

.accordion__trigger:hover { background: var(--color-surface-tint); }

.accordion__chevron {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-accent-orange);
}

.accordion__row.is-open .accordion__chevron { transform: rotate(180deg); }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.accordion__row.is-open .accordion__panel { grid-template-rows: 1fr; }

.accordion__panel-inner { overflow: hidden; }

/* ---------- Product catalog (sidebar nav + spec-forward cards) ---------- */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--sp-6);
  align-items: start;
}

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

.catalog-nav {
  position: sticky;
  top: calc(var(--nav-height) + var(--sp-4));
  max-height: calc(100vh - var(--nav-height) - var(--sp-6));
  overflow-y: auto;
  padding-right: var(--sp-2);
}

@media (max-width: 900px) {
  .catalog-nav { display: none; }
}

.catalog-nav__category { margin-bottom: var(--sp-4); }
.catalog-nav__category-title {
  font-size: var(--fs-micro);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-charcoal-soft);
  margin-bottom: var(--sp-2);
  padding-inline: 12px;
}
.catalog-nav__link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: var(--color-charcoal-soft);
  border-left: 2px solid transparent;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.catalog-nav__link:hover { background: var(--color-surface-tint); color: var(--color-primary); }
.catalog-nav__link.is-active {
  color: var(--color-accent-orange-dark);
  border-left-color: var(--color-accent-orange);
  background: #FDF3E9;
  font-weight: 600;
}

.catalog-chipbar {
  display: none;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-2);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.catalog-chipbar::-webkit-scrollbar { display: none; }
@media (max-width: 900px) {
  .catalog-chipbar { display: flex; }
}
.catalog-chipbar__link {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  border: var(--border-thin);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-charcoal-soft);
  white-space: nowrap;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.catalog-chipbar__link.is-active {
  background: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
  color: #fff;
}

.catalog-content { min-width: 0; }

.catalog-group { margin-bottom: var(--sp-6); scroll-margin-top: calc(var(--nav-height) + var(--sp-4)); }
.catalog-category-anchor { scroll-margin-top: calc(var(--nav-height) + var(--sp-4)); }
.catalog-group__head { margin-bottom: var(--sp-3); }
.catalog-group__head h2 { font-size: var(--fs-h3); }

.catalog-empty-row {
  padding: var(--sp-3) var(--sp-4);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: var(--color-charcoal-soft);
  background: var(--color-surface-tint);
}

.spec-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}
@media (max-width: 900px) {
  .spec-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .spec-card-grid { grid-template-columns: 1fr; }
}

.spec-card {
  display: flex;
  flex-direction: column;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}
.spec-card:hover { border-color: var(--color-accent-orange); transform: translateY(-6px); box-shadow: var(--shadow-float); }

.spec-card__thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-tint);
  border-bottom: var(--border-thin);
  overflow: hidden;
}
.spec-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}
.spec-card:hover .spec-card__thumb img { transform: scale(1.08); }

.spec-card__body { padding: var(--sp-3); display: flex; flex-direction: column; flex-grow: 1; }
.spec-card__brand {
  font-size: var(--fs-micro);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-orange);
}
.spec-card__name { margin-top: 4px; font-size: 1rem; }

.spec-card__badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--sp-2); }
.spec-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--color-surface-tint);
  color: var(--color-charcoal-soft);
  border: var(--border-thin);
}

.spec-card__view {
  display: inline-block;
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: var(--border-thin);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-orange);
}

/* ---------- Product detail ---------- */
.product-detail__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--sp-6);
}

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

.product-detail__image {
  border: var(--border-thin);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  aspect-ratio: 1;
  overflow: hidden;
}
.product-detail__image img { width: 100%; height: 100%; object-fit: cover; }

.product-detail__brand {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  color: var(--color-accent-orange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid var(--color-accent-orange);
  border-radius: 999px;
}

.product-detail__title { margin-top: var(--sp-3); font-size: var(--fs-h1); }
.product-detail__desc { margin-top: var(--sp-3); font-size: var(--fs-body-lg); }

.product-detail__actions { display: flex; gap: var(--sp-3); margin-top: var(--sp-5); flex-wrap: wrap; }

.spec-table { margin-top: var(--sp-6); border-top: var(--border-thin); border-radius: var(--radius-sm); overflow: hidden; }
.spec-table__row {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-3);
  border-bottom: var(--border-thin);
  font-size: var(--fs-small);
}
.spec-table__row:nth-child(even) { background: var(--color-surface-tint); }
.spec-table__row dt { color: var(--color-charcoal-soft); }
.spec-table__row dd { font-weight: 600; }

/* ---------- Forms ---------- */
.form-card {
  background: var(--color-surface);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
}

.field { margin-bottom: var(--sp-4); }
.field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--sp-2);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: var(--fs-body);
  transition: border-color var(--transition-base), background var(--transition-base);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent-orange);
  background: #fff;
}
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

.field__error { display: none; font-size: var(--fs-micro); color: var(--color-error); margin-top: 6px; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--color-error); }
.field.has-error .field__error { display: block; }

.form-note { font-size: var(--fs-micro); color: var(--color-charcoal-soft); margin-top: var(--sp-3); }

.form-status {
  margin-top: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: 500;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status--success { background: #EAF6EE; color: var(--color-success); }
.form-status--error { background: #FBEAE9; color: var(--color-error); }

/* ---------- Contact info blocks ---------- */
.contact-info { display: flex; flex-direction: column; gap: var(--sp-4); }
.contact-info__item { display: flex; gap: var(--sp-3); }
.contact-info__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-orange);
  background: transparent;
  color: var(--color-accent-orange);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info__item h4 { font-size: var(--fs-small); font-weight: 600; }
.contact-info__item p { font-size: var(--fs-small); margin-top: 2px; }
.contact-info__item a { color: var(--color-charcoal-soft); }
.contact-info__item a:hover { color: var(--color-accent-orange); }

.map-frame {
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--sp-4);
}
.map-frame iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- WhatsApp floating button ---------- */
.wa-float {
  position: fixed;
  right: var(--sp-4);
  bottom: var(--sp-4);
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #22C35E;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.18);
  transition: transform var(--transition-base);
}
.wa-float:hover { transform: scale(1.06); }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Auto-stagger direct children of a [data-reveal-group] that are themselves [data-reveal] */
[data-reveal-group] > [data-reveal]:nth-child(1) { --reveal-delay: 0ms; }
[data-reveal-group] > [data-reveal]:nth-child(2) { --reveal-delay: 90ms; }
[data-reveal-group] > [data-reveal]:nth-child(3) { --reveal-delay: 180ms; }
[data-reveal-group] > [data-reveal]:nth-child(4) { --reveal-delay: 270ms; }
[data-reveal-group] > [data-reveal]:nth-child(5) { --reveal-delay: 360ms; }
[data-reveal-group] > [data-reveal]:nth-child(6) { --reveal-delay: 450ms; }

/* ---------- Testimonials carousel ---------- */
.testimonial-carousel {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
}

.testimonial-carousel__track {
  position: relative;
  min-height: 200px;
}

.testimonial-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 500ms ease, transform 500ms ease;
  text-align: center;
}

.testimonial-slide.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.testimonial-slide p {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: var(--lh-snug);
  color: var(--color-charcoal);
}

.testimonial-slide p::before { content: "\201C"; }
.testimonial-slide p::after { content: "\201D"; }

.testimonial-slide__author {
  margin-top: var(--sp-4);
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-accent-orange-dark);
}
.testimonial-slide__author span {
  display: block;
  margin-top: 2px;
  font-weight: 500;
  color: var(--color-charcoal-soft);
  text-transform: none;
  letter-spacing: normal;
}

.testimonial-carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.testimonial-carousel__dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--color-border-strong);
  transition: background var(--transition-base), transform var(--transition-base);
}
.testimonial-carousel__dots button.is-active {
  background: var(--color-accent-orange);
  transform: scale(1.2);
}

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--color-surface);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
}
.testimonial-card p { font-size: var(--fs-body); color: var(--color-charcoal); }
.testimonial-card__author { margin-top: var(--sp-3); display: flex; flex-direction: column; }
.testimonial-card__author strong { font-size: var(--fs-small); }
.testimonial-card__author span { font-size: var(--fs-micro); color: var(--color-charcoal-soft); }

/* ---------- Utilities ---------- */
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}