/* GS Tech — Home (premium static landing) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700;800&display=swap');

:root {
  --bg-deep: #06060a;
  --bg-card: rgba(18, 18, 28, 0.55);
  --bg-card-hover: rgba(28, 28, 42, 0.72);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text: #f4f4f8;
  --text-muted: rgba(244, 244, 248, 0.65);
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --accent-glow: rgba(34, 211, 238, 0.35);
  --gradient-hero: linear-gradient(135deg, #0c1222 0%, #1a1033 45%, #0d1f2d 100%);
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(34, 211, 238, 0.12);
  --radius: 20px;
  --radius-sm: 12px;
  --nav-h: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .hero__blob,
  .nav__link::after {
    transition: none !important;
    animation: none !important;
  }
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--bg-deep);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1,
h2,
h3,
.nav__logo-text {
  font-family: 'Poppins', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

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

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

/* —— Background layers —— */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--gradient-hero);
}

.page-bg__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124, 58, 237, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(34, 211, 238, 0.15), transparent),
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(167, 139, 250, 0.12), transparent);
  animation: mesh-shift 18s ease-in-out infinite alternate;
}

@keyframes mesh-shift {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.92; transform: scale(1.05); }
}

#hero-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}

/* —— Nav —— */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(8, 8, 14, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-glass);
  box-shadow: var(--shadow-soft);
}

.nav__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  z-index: 2;
}

.nav__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
}

.nav__logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 2;
}

.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav__toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.75rem);
  list-style: none;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.25s var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--text);
  outline: none;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__link--active {
  color: var(--text);
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }
  .nav__links {
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    gap: 1.25rem;
    background: rgba(6, 6, 10, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s var(--ease-out), opacity 0.35s, visibility 0.35s;
  }
  .nav__links--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav__link {
    font-size: 1.1rem;
  }
}

/* —— Sections —— */
.section {
  padding: clamp(4rem, 10vw, 6.5rem) clamp(1.25rem, 4vw, 2.5rem);
}

.section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.5rem;
}

.section__lead {
  color: var(--text-muted);
  max-width: 36rem;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* —— Hero —— */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
}

.hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 4vw, 2.5rem);
  width: 100%;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
}

.hero__blob--1 {
  width: min(50vw, 400px);
  height: min(50vw, 400px);
  background: var(--accent-2);
  top: 15%;
  right: 5%;
  animation: float 12s ease-in-out infinite;
}

.hero__blob--2 {
  width: min(40vw, 320px);
  height: min(40vw, 320px);
  background: var(--accent);
  bottom: 20%;
  left: 0;
  animation: float 14s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -24px); }
}

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

.hero__title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  background: linear-gradient(120deg, #fff 0%, rgba(255, 255, 255, 0.85) 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, background 0.25s;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  color: #041014;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn--ghost {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn--ghost:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fade-pulse 3s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes fade-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@media (max-width: 768px) {
  .hero__scroll {
    display: none;
  }
}

/* —— Reveal animations —— */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

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

/* —— Services —— */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s,
    background 0.35s;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.25);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

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

/* —— Products —— */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 1.75rem;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: transform 0.4s var(--ease-out), border-color 0.35s;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0.85;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(167, 139, 250, 0.3);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.product-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.product-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.product-card__extra {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-glass);
  line-height: 1.55;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.25s var(--ease-out), color 0.25s;
}

.product-card__cta:hover {
  gap: 0.65rem;
  color: #67e8f9;
}

.product-card__cta svg {
  width: 1em;
  height: 1em;
}

/* —— About —— */
.section--about {
  padding-top: clamp(5rem, 12vw, 8rem);
  padding-bottom: clamp(5rem, 12vw, 8rem);
}

.section__lead--about {
  max-width: 42rem;
  margin-bottom: 2.75rem;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
}

.about-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(2.25rem, 5vw, 3.75rem);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
  max-width: 1040px;
  margin: 0 auto;
}

.about-panel__intro {
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.about-panel__lead {
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  text-align: center;
  max-width: 52rem;
  margin: 0 auto 2rem;
  letter-spacing: -0.02em;
}

.about-panel__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem 2.5rem;
  max-width: 56rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about-panel__columns {
    grid-template-columns: 1fr 1fr;
  }
}

.about-panel__columns p {
  font-size: clamp(1.02rem, 1.8vw, 1.12rem);
  color: var(--text-muted);
  line-height: 1.8;
  text-align: left;
}

.about-pillars {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--border-glass);
}

@media (min-width: 900px) {
  .about-pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.about-pillar {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.35rem 1.5rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.about-pillar:hover {
  border-color: rgba(34, 211, 238, 0.22);
  transform: translateY(-3px);
}

.about-pillar__label {
  display: block;
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.45rem;
  letter-spacing: 0.02em;
}

.about-pillar__text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* —— Contact —— */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

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

.contact__intro h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.contact__intro p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.contact-channels {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.contact-channel:hover {
  border-color: rgba(34, 211, 238, 0.3);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.contact-channel__icon {
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
}

.contact-channel__icon--brand {
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-channel__logo {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.contact-channel__logo--whatsapp {
  color: #25d366;
}

.contact-channel__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  min-width: 0;
}

.contact-channel__name {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-channel__value {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.contact__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.social-link:hover {
  border-color: rgba(34, 211, 238, 0.35);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--accent);
  min-height: 1.4em;
}

.form-status--error {
  color: #f87171;
}

/* —— Footer —— */
.footer {
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
  border-top: 1px solid var(--border-glass);
  background: rgba(0, 0, 0, 0.35);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.footer__brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 8px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
}

.footer__links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

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

.footer__copy {
  width: 100%;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.footer__managed {
  width: 100%;
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 280px;
  margin-top: 0.35rem;
}

.footer__address-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.5rem 1.25rem;
  margin-top: 1rem;
}

.footer__address {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
  max-width: 320px;
  margin: 0;
  line-height: 1.5;
}

.footer__gstin {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  white-space: nowrap;
}

.footer__meta {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__meta a {
  color: var(--text-muted);
  transition: color 0.25s;
}

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

.footer__meta-sep {
  margin: 0 0.4rem;
  opacity: 0.6;
}

.footer .nav__logo-text {
  font-size: 1rem;
}