/* ==========================================================================
   RESPRO TECHNOLOGIES — Design Tokens
   ========================================================================== */
:root {
  /* Brand */
  --primary: #081C2E;
  /* deep industrial navy */
  --primary-light: #0f2a42;
  /* card / raised surface on dark */
  --primary-deep: #040c14;
  /* darkest, footer / seams */
  --secondary: #00B894;
  /* emerald teal */
  --accent: #17C9B2;
  /* light teal / glow */
  --silver: #D9D9D9;
  /* metallic silver */
  --white: #FFFFFF;

  /* Text */
  --ink: #0B1E2E;
  --muted-dark: #9FB2C0;
  /* secondary text on dark bg */
  --muted-light: #5A6B78;
  /* secondary text on light bg */

  /* Gradients (used sparingly) */
  --grad-metal: linear-gradient(135deg, var(--secondary), var(--accent));
  --grad-deep: linear-gradient(180deg, #0c2338 0%, #081C2E 100%);

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Layout */
  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(.22, .68, .36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 32px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   SHARED TYPE / UTILITIES
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: 18px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px var(--accent);
}

.section-title {
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  max-width: 760px;
}

.section-sub {
  font-size: 17px;
  color: var(--muted-light);
  max-width: 600px;
}

.section-dark .section-sub {
  color: var(--muted-dark);
}

.section-head.center {
  text-align: center;
  margin-inline: auto;
  margin-bottom: 64px;
}

.section-head.center .section-title,
.section-head.center .section-sub {
  margin-inline: auto;
}

.text-gradient {
  background: var(--grad-metal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section {
  padding-block: 120px;
  position: relative;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 30px;
  border-radius: 100px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}

.btn i {
  font-size: 13px;
  transition: transform .3s var(--ease);
}

.btn:hover i {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--grad-metal);
  color: var(--primary);
  box-shadow: 0 8px 30px -8px rgba(23, 201, 178, .55);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px -8px rgba(23, 201, 178, .7);
}

.btn-ghost {
  border: 1.5px solid rgba(217, 217, 217, .35);
  color: var(--white);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .08);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--secondary);
}

.link-arrow i {
  font-size: 13px;
  transition: transform .3s var(--ease);
}

.link-arrow:hover i {
  transform: translateX(5px);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

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

/* ==========================================================================
   SCROLL SEAM (molten progress line — signature motif)
   ========================================================================== */
.scroll-seam {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--secondary), var(--accent), var(--silver));
  z-index: 1200;
  transition: width .1s linear;
  box-shadow: 0 0 12px 1px rgba(23, 201, 178, .7);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  padding: 22px 0;
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}

.site-nav.scrolled {
  padding: 12px 0;
  background: rgba(8, 28, 46, .78);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 8px 30px -12px rgba(0, 0, 0, .5);
  border-bottom: 1px solid rgba(217, 217, 217, .08);
}

.nav-inner {
  max-width: unset;
  margin-inline: auto;
  padding-inline: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 12px;
  padding: 6px 10px;
  box-shadow: 0 6px 20px -6px rgba(0, 0, 0, .35);
}

.logo-chip img {
  height: 34px;
  width: auto;
}

.footer-brand .logo-chip img {
  height: 40px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--silver);
  padding: 10px 16px;
  border-radius: 100px;
  position: relative;
  transition: color .3s var(--ease), background .3s var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255, 255, 255, .08);
}

.nav-cta {
  background: var(--grad-metal);
  color: var(--primary) !important;
  font-weight: 700;
  padding: 10px 22px;
  margin-left: 6px;
}

.nav-cta:hover {
  background: var(--grad-metal);
  filter: brightness(1.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 22px;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform .35s var(--ease), opacity .35s var(--ease);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: var(--primary-deep);
}

.hero-bg {
  position: absolute;
  inset: -6% -2% -6% -2%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 20% 15%, rgba(8, 28, 46, .35) 0%, rgba(8, 28, 46, .72) 45%, rgba(4, 12, 20, .94) 100%),
    linear-gradient(180deg, rgba(4, 12, 20, .55) 0%, rgba(4, 12, 20, .3) 40%, rgba(4, 12, 20, .92) 100%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: .05;
  pointer-events: none;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 150px;
}

.hero-title {
  font-size: clamp(36px, 5.6vw, 72px);
  color: var(--white);
  max-width: 920px;
  letter-spacing: -0.015em;
  margin-bottom: 26px;
}

.hero-sub {
  font-size: 18px;
  color: var(--muted-dark);
  max-width: 560px;
  margin-bottom: 42px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  z-index: 2;
  margin-top: 70px;
  border-top: 1px solid rgba(217, 217, 217, .15);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--container);
  margin-inline: auto;
  width: 100%;
  padding: 30px 32px 40px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 1px solid rgba(217, 217, 217, .15);
  padding-left: 22px;
}

.hero-stat:first-child {
  border-left: none;
  padding-left: 0;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  color: var(--accent);
  font-weight: 700;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  color: var(--accent);
  font-weight: 700;
}

.stat-label {
  font-size: 13px;
  color: var(--muted-dark);
  max-width: 180px;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(217, 217, 217, .4);
  border-radius: 20px;
}

.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: cueDrop 1.8s infinite;
}

@keyframes cueDrop {
  0% {
    opacity: 1;
    top: 8px;
  }

  70% {
    opacity: 0;
    top: 24px;
  }

  100% {
    opacity: 0;
    top: 8px;
  }
}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 80px;
  align-items: start;
}

.about-copy p {
  color: var(--muted-light);
  margin-bottom: 18px;
  font-size: 16px;
}

.about-cta {
  margin-top: 8px;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.glass-card {
  background: linear-gradient(160deg, rgba(8, 28, 46, .04), rgba(8, 28, 46, .01));
  border: 1px solid rgba(8, 28, 46, .08);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(23, 201, 178, .5);
  box-shadow: 0 20px 40px -18px rgba(8, 28, 46, .25), 0 0 0 1px rgba(23, 201, 178, .15);
}

.glass-card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-metal);
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 16px;
}

.glass-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.glass-card p {
  font-size: 14px;
  color: var(--muted-light);
}

.section-dark .glass-card {
  background: rgba(255, 255, 255, .03);
  border-color: rgba(255, 255, 255, .08);
}

.section-dark .glass-card p {
  color: var(--muted-dark);
}

.section-dark .glass-card h3 {
  color: var(--white);
}

/* ==========================================================================
   ORBIT INFOGRAPHICS (Business Focus / Competitive Advantage / Sustainability)
   ========================================================================== */
.orbit-wrap {
  position: relative;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 1/1;
  margin-inline: auto;
}

.orbit-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.orbit-ring {
  fill: none;
  stroke: rgba(23, 201, 178, .18);
  stroke-width: 1.5;
}

.orbit-ring-dash {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 6 14;
  opacity: .6;
  transform-origin: 300px 300px;
  animation: spin 40s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.orbit-connectors line {
  stroke: rgba(23, 201, 178, .35);
  stroke-width: 1.5;
  stroke-dasharray: 4 6;
  animation: dashFlow 3.5s linear infinite;
}

.orbit-connectors-alt line {
  stroke: rgba(0, 184, 148, .4);
}

@keyframes dashFlow {
  to {
    stroke-dashoffset: -100;
  }
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-shadow: 0 0 0 1px rgba(23, 201, 178, .4), 0 0 50px 6px rgba(23, 201, 178, .28);
}

.orbit-center img {
  width: 100%;
  height: auto;
}

.orbit-center-alt {
  box-shadow: 0 0 0 1px rgba(0, 184, 148, .4), 0 0 50px 6px rgba(0, 184, 148, .28);
}

.orbit-node {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 170px;
}

.orbit-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(217, 217, 217, .14);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease), background .4s var(--ease);
}

.orbit-card i {
  font-size: 20px;
  color: var(--accent);
}

.orbit-card span {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

.orbit-card:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: var(--accent);
  background: rgba(23, 201, 178, .08);
  box-shadow: 0 16px 34px -14px rgba(23, 201, 178, .45);
}

.orbit-card-alt i {
  color: var(--secondary);
}

.section:not(.section-dark) .orbit-card {
  background: rgba(8, 28, 46, .03);
  border-color: rgba(8, 28, 46, .1);
}

.section:not(.section-dark) .orbit-card span {
  color: var(--ink);
}

.section:not(.section-dark) .orbit-ring {
  stroke: rgba(8, 28, 46, .12);
}

.section:not(.section-dark) .orbit-connectors line {
  stroke: rgba(0, 184, 148, .35);
}

.earth-center {
  background: transparent;
  box-shadow: none;
  width: 190px;
  height: 190px;
}

.earth-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 40px rgba(0, 184, 148, .55));
}

.earth-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.earth-network {

  width: 180px;
  height: 180px;

  filter:
    drop-shadow(0 0 30px rgba(0, 184, 148, .45));

  animation:
    earthRotate 20s linear infinite,
    earthFloat 6s ease-in-out infinite;
}



.ring-glow {
  fill: none;
  stroke: var(--accent);
  opacity: .25;
}

.ring-1 {
  stroke-width: 2;
  animation: pulseRing 3.6s ease-in-out infinite;
}

.ring-2 {
  stroke-width: 1.5;
  animation: pulseRing 3.6s ease-in-out infinite 1.2s;
}

@keyframes pulseRing {
  0% {
    opacity: .35;
    transform: scale(1);
  }

  50% {
    opacity: .05;
    transform: scale(1.06);
  }

  100% {
    opacity: .35;
    transform: scale(1);
  }
}

/* ==========================================================================
   TECHNOLOGY / PROCESS TIMELINE
   ========================================================================== */
.timeline {
  position: relative;
}

.timeline-track {
  position: absolute;
  top: 34px;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(8, 28, 46, .1);
  z-index: 0;
}

.timeline-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--grad-metal);
  transition: width .2s linear;
}

.timeline-stages {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 18px;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  cursor: default;
}

.stage-node {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid rgba(8, 28, 46, .14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--secondary);
  margin-bottom: 18px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease), background .4s var(--ease), color .4s var(--ease);
}

.stage-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: 6px;
}

.stage h3 {
  font-size: 15.5px;
  margin-bottom: 8px;
}

.stage p {
  font-size: 13px;
  color: var(--muted-light);
  line-height: 1.55;
}

.stage:hover .stage-node,
.stage.is-active .stage-node {
  transform: translateY(-6px) scale(1.06);
  background: var(--grad-metal);
  border-color: transparent;
  color: var(--primary);
  box-shadow: 0 16px 30px -12px rgba(0, 184, 148, .5);
}

/* ==========================================================================
   PRODUCTS
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.product-card {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(217, 217, 217, .12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(23, 201, 178, .5);
  box-shadow: 0 26px 50px -20px rgba(23, 201, 178, .35);
}

.product-media {
  position: relative;
  aspect-ratio: 6/5;
  overflow: hidden;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.product-card:hover .product-media img {
  transform: scale(1.08);
}

.product-index {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  background: rgba(4, 12, 20, .55);
  padding: 5px 10px;
  border-radius: 100px;
  border: 1px solid rgba(23, 201, 178, .3);
}

.product-body {
  padding: 24px 22px 28px;
}

.product-body h3 {
  font-size: 18px;
  color: var(--white);
  margin-bottom: 10px;
}

.product-body p {
  font-size: 14px;
  color: var(--muted-dark);
  margin-bottom: 16px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-tags li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  border: 1px solid rgba(23, 201, 178, .3);
  padding: 5px 10px;
  border-radius: 100px;
}

/* ==========================================================================
   CTA BANNER
   ========================================================================== */
/* .cta-banner{ position:relative; padding-block:130px; overflow:hidden; }
.cta-bg{ position:absolute; inset:0; background-size:cover; background-position:center; }
.cta-overlay{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(4,12,20,.5), rgba(4,12,20,.85)); }
.cta-content{ position:relative; z-index:1; text-align:center; }
.cta-content h2{
  color:var(--white); font-size:clamp(28px,4.2vw,50px); max-width:780px; margin:0 auto 36px;
  letter-spacing:-0.01em;
} */

.cta-banner {
  position: relative;
  overflow: hidden;
  min-height: 650px;
  display: flex;
  align-items: center;
  color: #fff;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: url("../images/cta-banner.webp");
  background-size: cover;
  background-position: center;
  /* transform: scale(1.05); */
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(4, 12, 20, .92) 0%,
      rgba(4, 12, 20, .82) 25%,
      rgba(4, 12, 20, .55) 45%,
      rgba(4, 12, 20, .18) 70%,
      rgba(4, 12, 20, .05) 100%),
    linear-gradient(180deg,
      rgba(4, 12, 20, .15),
      rgba(4, 12, 20, .85));
}

.cta-wrapper {
  position: relative;
  z-index: 2;
  width: 48%;
}

.cta-text h2 {
  font-size: 72px;
  line-height: 1.05;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--white);
}

.cta-text h2 span {
  color: #18d3c5;
}

.cta-text p {
  font-size: 18px;
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, .85);
}

.cta-info {
  display: flex;
  gap: 50px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.cta-info div {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.cta-info i {
  color: #18d3c5;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.contact-info .section-sub {
  margin-bottom: 40px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.contact-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.contact-icon {
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 12px;
  background: rgba(0, 184, 148, .08);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  border: 1px solid rgba(0, 184, 148, .2);
}

.contact-list h4 {
  font-size: 14px;
  color: var(--muted-light);
  margin-bottom: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.contact-list p {
  font-size: 15.5px;
  color: var(--ink);
}

.contact-list a:hover {
  color: var(--secondary);
}

.contact-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.contact-sub-visuals {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: stretch;
}

.contact-qr {
  background: var(--primary);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 150px;
}

.contact-qr img {
  width: 100px;
  border-radius: 8px;
}

.contact-qr span {
  font-size: 11px;
  color: var(--muted-dark);
  text-align: center;
}

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--primary-deep);
  color: var(--muted-dark);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(217, 217, 217, .1);
}

.footer-brand p {
  font-size: 14px;
  margin: 18px 0 22px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(217, 217, 217, .2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
}

.footer-social a:hover {
  background: var(--grad-metal);
  color: var(--primary);
  border-color: transparent;
  transform: translateY(-3px);
}

.footer-links h4 {
  color: var(--white);
  font-size: 14px;
  margin-bottom: 18px;
  letter-spacing: .04em;
}

.footer-links a,
.footer-address {
  display: block;
  font-size: 14px;
  margin-bottom: 12px;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 26px;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-tag {
  font-family: var(--font-mono);
  letter-spacing: .08em;
  color: var(--accent);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

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

  .timeline-stages {
    grid-template-columns: repeat(4, 1fr);
    row-gap: 44px;
  }

  .timeline-track {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }
}

@media (max-width:860px) {
  .nav-menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 80vw);
    height: 100vh;
    background: rgba(8, 28, 46, .98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 110px 28px 40px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    box-shadow: -20px 0 60px rgba(0, 0, 0, .4);
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 14px 12px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 10px;
    text-align: center;
    justify-content: center;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    row-gap: 26px;
  }

  .hero-stat {
    border-left: none;
    padding-left: 0;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

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

  .orbit-wrap {
    max-width: 480px;
  }

  .orbit-node {
    width: 120px;
  }

  .orbit-card {
    padding: 14px 8px;
  }

  .orbit-card span {
    font-size: 11.5px;
  }

  .orbit-card i {
    font-size: 16px;
  }

  .orbit-center {
    width: 96px;
    height: 96px;
  }

}

@media (max-width:600px) {
  .container {
    padding-inline: 20px;
  }

  .section {
    padding-block: 80px;
  }

  .hero-content {
    padding-top: 130px;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    padding-inline: 20px;
  }

  .timeline-stages {
    grid-template-columns: 1fr 1fr;
  }

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

  .contact-qr {
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
  }

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

  .cta-content h2 {
    margin-bottom: 28px;
  }
}