/* Ievol Tech — Landing */

:root {
  --bg: #06080f;
  --bg-elevated: #0c101c;
  --bg-soft: #101628;
  --text: #eef2ff;
  --text-muted: #9aa3c0;
  --magenta: #e040fb;
  --blue: #3d5afe;
  --cyan: #18ffff;
  --wa: #25d366;
  --line: rgba(255, 255, 255, 0.08);
  --glow-magenta: rgba(224, 64, 251, 0.35);
  --glow-blue: rgba(61, 90, 254, 0.28);
  --glow-cyan: rgba(24, 255, 255, 0.22);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 72rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-optical-sizing: auto;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

/* Ambient */

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: drift 18s var(--ease) infinite alternate;
}

.ambient__orb--a {
  width: min(55vw, 520px);
  height: min(55vw, 520px);
  top: -8%;
  left: -5%;
  background: radial-gradient(circle, var(--glow-magenta), transparent 70%);
}

.ambient__orb--b {
  width: min(60vw, 600px);
  height: min(60vw, 600px);
  right: -10%;
  bottom: 10%;
  background: radial-gradient(circle, var(--glow-cyan), var(--glow-blue), transparent 70%);
  animation-delay: -6s;
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 70%);
  opacity: 0.5;
}

@keyframes drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(4%, 6%) scale(1.08);
  }
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(6, 8, 15, 0.65);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(6, 8, 15, 0.88);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark img {
  width: 2.15rem;
  height: 2.15rem;
  filter: drop-shadow(0 0 12px var(--glow-magenta));
}

.nav {
  margin-left: auto;
  display: none;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

.nav a:hover {
  color: var(--text);
}

.nav-cta {
  display: none;
}

.nav-toggle {
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  display: grid;
  place-content: center;
  gap: 6px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem 1.5rem;
  background: rgba(8, 10, 18, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav-drawer[hidden] {
  display: none;
}

.nav-drawer a {
  padding: 0.75rem 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 860px) {
  .nav,
  .nav-cta {
    display: flex;
  }

  .nav-toggle,
  .nav-drawer {
    display: none !important;
  }

  .nav-cta {
    margin-left: 0.5rem;
  }

  .nav {
    margin-left: auto;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s, border-color 0.25s;
}

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

.btn--primary {
  color: #061018;
  background: linear-gradient(120deg, var(--cyan), #7ad7ff 40%, #b388ff);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 12px 40px rgba(24, 255, 255, 0.18);
}

.btn--primary:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12),
    0 16px 48px rgba(224, 64, 251, 0.28);
}

.btn--ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.btn--ghost:hover {
  border-color: rgba(24, 255, 255, 0.35);
}

.btn--lg {
  padding: 1.05rem 1.85rem;
  font-size: 1.05rem;
}

/* Main rhythm */

main {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.85rem;
}

/* Hero */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 2rem) 1.5rem 5rem;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: min(90vw, 640px);
  height: min(90vw, 640px);
  top: 42%;
  left: 50%;
  translate: -50% -55%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(224, 64, 251, 0.28) 0%,
    rgba(61, 90, 254, 0.18) 35%,
    rgba(24, 255, 255, 0.08) 55%,
    transparent 70%
  );
  filter: blur(20px);
  animation: pulse-glow 5.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.75;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.06);
  }
}

.hero__logo {
  position: relative;
  width: clamp(140px, 28vw, 220px);
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 0 28px var(--glow-magenta))
    drop-shadow(0 0 48px var(--glow-blue));
  animation: logo-in 1.1s var(--ease) both;
}

.hero__brand {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 9vw, 5.5rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 0 0 1rem;
  background: linear-gradient(120deg, #fff 20%, var(--cyan) 55%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fade-up 1s var(--ease) 0.15s both;
}

.hero__headline {
  position: relative;
  max-width: 18ch;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 600;
  color: var(--text);
  animation: fade-up 1s var(--ease) 0.28s both;
}

.hero__lead {
  position: relative;
  max-width: 38rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  animation: fade-up 1s var(--ease) 0.4s both;
}

.hero__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  margin-top: 0.5rem;
  animation: fade-up 1s var(--ease) 0.52s both;
}

.hero__scroll {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  translate: -50% 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: bounce 2.4s ease-in-out infinite;
}

.hero__scroll::after {
  content: "";
  width: 1px;
  height: 2rem;
  background: linear-gradient(to bottom, var(--cyan), transparent);
}

@keyframes logo-in {
  from {
    opacity: 0;
    transform: scale(0.86) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

/* Intro / product index */

.intro {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem clamp(1.25rem, 4vw, 2.5rem) 3rem;
}

.intro h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1rem;
}

.intro__text {
  max-width: 36rem;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.product-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.product-index a {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
  transition: padding-left 0.35s var(--ease), color 0.25s;
}

.product-index a span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.product-index a:hover {
  padding-left: 0.75rem;
  color: #fff;
}

/* Product sections */

.product {
  position: relative;
  display: grid;
  gap: 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem clamp(1.25rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
}

.product--alt {
  background: linear-gradient(
    180deg,
    rgba(16, 22, 40, 0.55),
    rgba(6, 8, 15, 0)
  );
}

.product__rail {
  display: none;
}

.product__body h2 {
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  background: linear-gradient(115deg, #fff 30%, var(--cyan) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.6rem;
}

.product__tagline {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 34rem;
  line-height: 1.35;
  margin-bottom: 1.25rem;
}

.product__copy {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.split {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.split h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.split p {
  margin: 0;
  font-size: 0.98rem;
}

.points {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 1.1rem;
  max-width: 42rem;
}

.points li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--magenta), var(--cyan));
  box-shadow: 0 0 10px var(--glow-cyan);
}

.points strong {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.sectors,
.stack-note {
  max-width: 40rem;
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

/* eCondo showcase */

.showcase {
  margin: 0 0 2.5rem;
  position: relative;
}

.showcase img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 0 0 1px rgba(24, 255, 255, 0.06),
    0 24px 64px rgba(0, 0, 0, 0.45),
    0 0 80px rgba(61, 90, 254, 0.12);
}

.showcase figcaption {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 40rem;
}

.modules-title {
  font-size: 1.25rem;
  margin: 0 0 1.25rem;
  color: var(--text);
}

.modules {
  display: grid;
  gap: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
}

.modules__group h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.65rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
}

.modules__group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.modules__group li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.portal {
  margin-bottom: 2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.portal h3 {
  font-size: 1.35rem;
  margin: 1.25rem 0 1rem;
}

.portal h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
  color: var(--text);
}

.portal__note {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
}

@media (min-width: 900px) {
  .product--showcase {
    max-width: 78rem;
  }
}

@media (min-width: 900px) {
  .product {
    grid-template-columns: 10rem 1fr;
    gap: 3rem;
    padding-block: 6rem;
  }

  .product__rail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }

  .product__num {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 3rem;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(180deg, var(--magenta), var(--blue), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .product__name-sticky {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(154, 163, 192, 0.55);
  }

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Reveal on scroll */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* Differentials */

.diff {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem clamp(1.25rem, 4vw, 2.5rem) 4rem;
  border-top: 1px solid var(--line);
}

.diff h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin-bottom: 2.5rem;
}

.diff__grid {
  display: grid;
  gap: 2rem;
}

.diff__grid article {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.diff__index {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--magenta);
  margin-bottom: 0.75rem;
}

.diff__grid h3 {
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.diff__grid p {
  margin: 0;
  max-width: 28rem;
}

@media (min-width: 800px) {
  .diff__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

/* Contact */

.contact {
  position: relative;
  text-align: center;
  padding: 6rem clamp(1.25rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(224, 64, 251, 0.16), transparent 55%),
    radial-gradient(ellipse at 50% 100%, rgba(24, 255, 255, 0.1), transparent 50%);
}

.contact__logo {
  width: 5.5rem;
  margin: 0 auto 1.25rem;
  filter: drop-shadow(0 0 24px var(--glow-magenta));
}

.contact h2 {
  max-width: 14ch;
  margin-inline: auto;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.contact p {
  max-width: 32rem;
  margin: 0 auto 1.75rem;
  font-size: 1.08rem;
}

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem clamp(1.25rem, 4vw, 2.5rem) 6rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
}

.site-footer__brand img {
  width: 1.65rem;
  height: 1.65rem;
}

/* WhatsApp FAB */

.wa-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 120;
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--wa);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
  animation: fab-in 0.8s var(--ease) 1.2s both;
}

.wa-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.55);
}

@keyframes fab-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ambient__orb,
  .hero__glow,
  .hero__logo,
  .hero__brand,
  .hero__headline,
  .hero__lead,
  .hero__actions,
  .hero__scroll,
  .wa-fab,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}