/* =========================================================
   BIOTECH INC — 2026 WEBSITE
   Shared stylesheet for index.html and contact.html
   No frameworks or external dependencies
   ========================================================= */

/* ---------- DESIGN TOKENS ---------- */

:root {
  color-scheme: dark;

  --bg: #07111d;
  --bg-deep: #040b13;
  --bg-soft: #0b1928;
  --surface: #102234;
  --surface-light: #14293c;

  --ink: #f1f8fc;
  --muted: #a5b8c8;
  --muted-strong: #ccdbe5;

  --teal: #42e0c4;
  --cyan: #66d7f5;
  --blue: #548ff5;

  --line: rgba(175, 219, 239, 0.13);
  --line-bright: rgba(102, 215, 245, 0.3);

  --container: 1180px;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;

  --shadow:
    0 24px 80px rgba(0, 0, 0, 0.25);

  --font:
    Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ---------- RESET ---------- */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--teal);
  color: var(--bg-deep);
}

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

button,
input,
textarea {
  font: inherit;
}

button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 4px;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.13;
  letter-spacing: -0.045em;
}

p {
  color: var(--muted);
}

svg {
  display: block;
}

.container {
  width: min(
    var(--container),
    calc(100% - 48px)
  );
  margin-inline: auto;
}

.section {
  padding-block: 112px;
  position: relative;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 54px;
}

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

.section-heading h2,
.split-content h2,
.contact-intro h2 {
  font-size: clamp(2.25rem, 4vw, 3.7rem);
  font-weight: 750;
}

.section-heading p {
  max-width: 650px;
  font-size: 1.075rem;
  line-height: 1.85;
}

.section-heading.center p {
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--teal);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: var(--teal);
}

.gradient-text {
  background: linear-gradient(
    100deg,
    #8fe9ff 0%,
    #59e6cf 48%,
    #a9f5dd 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  font-size: 0.88rem;
  font-weight: 750;
  transition:
    gap 0.25s ease,
    color 0.25s ease;
}

.text-link:hover {
  gap: 17px;
  color: #b9fff0;
}

/* ---------- ACCESSIBILITY ---------- */

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 200;
  background: var(--teal);
  color: var(--bg);
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

/* ---------- HEADER ---------- */

.site-header {
  position: relative;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 29, 0.92);
}

.nav {
  min-height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}

.brand-mark {
  width: 43px;
  height: 43px;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 13px;
  overflow: hidden;
  background: linear-gradient(
    145deg,
    var(--teal),
    var(--blue)
  );
  box-shadow:
    0 0 30px rgba(66, 224, 196, 0.16);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 17px;
  height: 27px;
  border: 2px solid #061521;
  border-radius: 50%;
  transform: rotate(38deg);
}

.brand-mark::before {
  left: 11px;
}

.brand-mark::after {
  left: 16px;
  transform: rotate(-38deg);
}

.brand-name {
  font-size: 1.17rem;
  font-weight: 850;
  letter-spacing: -0.045em;
}

.brand-name span {
  color: var(--teal);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links > a:not(.btn) {
  color: var(--muted-strong);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links > a:not(.btn):hover,
.nav-links > a[aria-current="page"] {
  color: var(--teal);
}

/* ---------- BUTTONS ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 51px;
  padding: 13px 23px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

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

.btn-primary {
  color: #05151e;
  background: linear-gradient(
    115deg,
    #59e8d0,
    #82def8
  );
  box-shadow:
    0 10px 32px rgba(66, 224, 196, 0.13);
}

.btn-primary:hover {
  box-shadow:
    0 15px 40px rgba(66, 224, 196, 0.25);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.025);
  border-color: rgba(190, 230, 242, 0.25);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--teal);
  background: rgba(66, 224, 196, 0.06);
}

.btn-small {
  min-height: 42px;
  padding: 10px 19px;
  font-size: 0.8rem;
}

/* ---------- HERO ---------- */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 690px;
  display: flex;
  align-items: center;

  background:
    radial-gradient(
      ellipse at 85% 45%,
      rgba(25, 112, 148, 0.19),
      transparent 49%
    ),
    radial-gradient(
      ellipse at 15% 85%,
      rgba(35, 78, 131, 0.13),
      transparent 55%
    ),
    linear-gradient(
      125deg,
      #07111d 5%,
      #0b2030 55%,
      #081723 100%
    );
}

.hero::before,
.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;

  background-image:
    linear-gradient(
      rgba(118, 211, 230, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(118, 211, 230, 0.045) 1px,
      transparent 1px
    );

  background-size: 65px 65px;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    black 45%,
    black
  );
  mask-image: linear-gradient(
    90deg,
    transparent,
    black 45%,
    black
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 42px;
  padding-block: 105px 120px;
}

.hero-copy {
  max-width: 690px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 15px;
  margin-bottom: 30px;
  border: 1px solid rgba(66, 224, 196, 0.24);
  border-radius: 999px;
  background: rgba(66, 224, 196, 0.055);
  color: #c0eae7;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 14px var(--teal);
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 27px;
  font-size: clamp(3.3rem, 5.8vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 1.065;
}

.hero-description {
  max-width: 555px;
  margin-bottom: 37px;
  color: #b1c4d2;
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-micro {
  margin-top: 47px;
  display: flex;
  gap: 18px;
  align-items: center;
  color: #91aabc;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.hero-micro .separator {
  width: 25px;
  height: 1px;
  background: rgba(151, 204, 223, 0.4);
}

/* ---------- CSS SCIENTIFIC VISUAL ---------- */

.science-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 530px;
  margin-inline: auto;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.science-visual::before {
  content: "";
  position: absolute;
  width: 75%;
  height: 75%;
  border-radius: 50%;
  background: rgba(46, 191, 189, 0.16);
  filter: blur(65px);
  z-index: -1;
}

.science-orbit {
  position: absolute;
  border: 1px solid rgba(111, 218, 233, 0.25);
  border-radius: 50%;
}

.orbit-one {
  width: 90%;
  height: 90%;
  transform: rotate(-25deg) scaleY(0.66);
  border-color: rgba(88, 225, 209, 0.32);
}

.orbit-two {
  width: 86%;
  height: 86%;
  transform: rotate(55deg) scaleY(0.56);
  border-color: rgba(107, 165, 255, 0.35);
}

.orbit-three {
  width: 69%;
  height: 69%;
  transform: rotate(125deg) scaleY(0.78);
  border-color: rgba(144, 237, 247, 0.2);
}

.science-core {
  position: relative;
  display: grid;
  place-items: center;
  width: 50%;
  aspect-ratio: 1;
  border-radius: 50%;

  background:
    radial-gradient(
      circle at 32% 27%,
      rgba(157, 255, 242, 0.72),
      transparent 12%
    ),
    radial-gradient(
      circle at 38% 30%,
      #3b9eab 0%,
      #116479 36%,
      #0d344d 72%,
      #061421 100%
    );

  box-shadow:
    inset -22px -25px 50px rgba(0, 7, 17, 0.55),
    inset 5px 5px 25px rgba(130, 238, 246, 0.16),
    0 0 75px rgba(36, 190, 182, 0.2),
    0 0 130px rgba(57, 130, 208, 0.12);
}

.science-core::before {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(173, 245, 244, 0.18);
  border-radius: 50%;
}

.core-line {
  width: 54%;
  height: 54%;
  position: absolute;
  border: 2px solid rgba(163, 249, 235, 0.58);
  border-radius: 50%;
  transform: rotate(40deg) scaleX(0.43);
}

.core-line:nth-child(2) {
  transform: rotate(-40deg) scaleX(0.43);
}

.core-line:nth-child(3) {
  transform: rotate(90deg) scaleX(0.43);
}

.molecule-point {
  position: absolute;
  width: 11px;
  height: 11px;
  background: #8bfff0;
  border: 3px solid #1d6978;
  border-radius: 50%;
  box-shadow:
    0 0 18px rgba(108, 246, 226, 0.9);
}

.point-one {
  top: 12%;
  left: 29%;
}

.point-two {
  top: 36%;
  right: 5%;
}

.point-three {
  bottom: 17%;
  left: 13%;
}

.point-four {
  bottom: 5%;
  right: 29%;
}

.science-label {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 15px;
  border: 1px solid rgba(139, 226, 236, 0.2);
  border-radius: 12px;
  background: rgba(13, 34, 50, 0.85);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  color: #d6f5f3;
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.science-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
}

.label-one {
  top: 18%;
  right: 2%;
}

.label-two {
  bottom: 17%;
  left: 0;
}

/* ---------- CAPABILITIES STRIP ---------- */

.capability-strip {
  background: #0c1c2b;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-strip-inner {
  min-height: 105px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 26px;
  row-gap: 18px;
  padding-block: 28px;
}

.capability-label {
  color: #7795a9;
  font-size: 0.69rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
}

.capability-item {
  color: #d7e9ee;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---------- ABOUT ---------- */

.about-section {
  background:
    radial-gradient(
      ellipse at 4% 55%,
      rgba(27, 120, 137, 0.1),
      transparent 42%
    ),
    var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 95px;
  align-items: center;
}

.about-art {
  position: relative;
  min-height: 405px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(
      circle at 52% 45%,
      rgba(58, 183, 190, 0.17),
      transparent 38%
    ),
    linear-gradient(
      145deg,
      #10283a,
      #091723
    );
}

.about-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    rgba(123, 216, 221, 0.28) 1px,
    transparent 1px
  );
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    black,
    transparent 74%
  );
  mask-image: radial-gradient(
    ellipse at center,
    black,
    transparent 74%
  );
}

.about-symbol {
  position: relative;
  width: 210px;
  height: 210px;
  border: 1px solid rgba(78, 222, 215, 0.35);
  border-radius: 50%;
  transform: rotate(-26deg);
  box-shadow:
    0 0 70px rgba(59, 210, 195, 0.12);
}

.about-symbol::before,
.about-symbol::after {
  content: "";
  position: absolute;
  inset: 13px 70px;
  border: 3px solid rgba(82, 229, 214, 0.65);
  border-radius: 50%;
}

.about-symbol::after {
  transform: rotate(85deg);
  border-color: rgba(108, 177, 247, 0.65);
}

.about-art-label {
  position: absolute;
  left: 28px;
  bottom: 25px;
  color: #a1c4d1;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 750;
}

.split-content h2 {
  margin-bottom: 25px;
}

.split-content p {
  font-size: 1.02rem;
  line-height: 1.95;
  margin-bottom: 22px;
}

.mission-statement {
  margin-top: 30px;
  padding: 21px 0 21px 24px;
  border-left: 2px solid var(--teal);
  color: #e0f2f3;
  font-size: 1.07rem;
  font-weight: 550;
  line-height: 1.8;
}

/* ---------- PRODUCTS & SERVICES ---------- */

.services-section {
  background: #0b1927;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 340px;
  padding: 31px 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(
      150deg,
      rgba(28, 56, 75, 0.45),
      rgba(8, 24, 37, 0.9)
    );
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  top: -100px;
  right: -75px;
  border-radius: 50%;
  background: rgba(66, 224, 196, 0.075);
  filter: blur(20px);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 224, 196, 0.4);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 57px;
  height: 57px;
  display: grid;
  place-items: center;
  margin-bottom: 34px;
  border: 1px solid rgba(66, 224, 196, 0.2);
  border-radius: 17px;
  background: rgba(66, 224, 196, 0.07);
  color: var(--teal);
}

.service-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin-bottom: 14px;
  font-size: 1.24rem;
  letter-spacing: -0.03em;
}

.service-card p {
  margin-bottom: 25px;
  color: #9db2c3;
  font-size: 0.87rem;
  line-height: 1.85;
}

.service-card .text-link {
  margin-top: auto;
}

/* ---------- WHY CHOOSE US ---------- */

.why-section {
  background:
    radial-gradient(
      ellipse at 85% 35%,
      rgba(46, 126, 160, 0.1),
      transparent 47%
    ),
    var(--bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
}

.why-card {
  padding: 14px 16px 10px 0;
}

.why-number {
  display: block;
  margin-bottom: 25px;
  color: var(--teal);
  font-size: 0.81rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.why-rule {
  width: 100%;
  height: 1px;
  margin-bottom: 27px;
  background: linear-gradient(
    90deg,
    var(--teal),
    rgba(102, 215, 245, 0.06)
  );
}

.why-card h3 {
  font-size: 1.37rem;
  margin-bottom: 13px;
}

.why-card p {
  max-width: 320px;
  font-size: 0.91rem;
  line-height: 1.9;
}

/* ---------- CTA ---------- */

.cta-section {
  padding-block: 35px 105px;
}

.cta-panel {
  position: relative;
  padding: 75px 65px;
  border: 1px solid rgba(97, 220, 222, 0.25);
  border-radius: var(--radius-lg);
  overflow: hidden;

  background:
    radial-gradient(
      ellipse at 89% 45%,
      rgba(66, 224, 196, 0.18),
      transparent 46%
    ),
    linear-gradient(
      125deg,
      #102c3d,
      #0d2132 68%,
      #123b47
    );
}

.cta-panel::after {
  content: "";
  position: absolute;
  width: 290px;
  height: 290px;
  top: -160px;
  right: -75px;
  border: 1px solid rgba(166, 238, 238, 0.18);
  border-radius: 50%;
  box-shadow:
    0 0 0 55px rgba(166, 238, 238, 0.025),
    0 0 0 115px rgba(166, 238, 238, 0.018);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 725px;
}

.cta-panel h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 22px;
}

.cta-panel p {
  max-width: 590px;
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 30px;
}

/* ---------- CONTACT PAGE ---------- */

.contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: 100px 105px;
  background:
    radial-gradient(
      ellipse at 78% 30%,
      rgba(41, 150, 157, 0.18),
      transparent 42%
    ),
    linear-gradient(
      135deg,
      #081521,
      #10283a
    );
  border-bottom: 1px solid var(--line);
}

.contact-hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
}

.contact-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.065em;
}

.contact-hero p {
  max-width: 620px;
  color: #b4c9d6;
  font-size: 1.08rem;
  line-height: 1.9;
}

.contact-section {
  padding-block: 105px 125px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.83fr 1.17fr;
  gap: 75px;
  align-items: start;
}

.contact-intro h2 {
  margin-bottom: 22px;
}

.contact-intro > p {
  max-width: 410px;
  line-height: 1.95;
}

.contact-detail {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.contact-detail-label {
  display: block;
  color: var(--teal);
  margin-bottom: 12px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact-email {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  transition: color 0.2s ease;
}

.contact-email:hover {
  color: var(--teal);
}

.contact-detail p {
  margin: 9px 0 0;
  font-size: 0.88rem;
}

.location-name {
  color: var(--ink);
  font-size: 1.17rem;
  font-weight: 700;
}

/* ---------- FORM ---------- */

.contact-form-wrap {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);

  background:
    linear-gradient(
      145deg,
      rgba(25, 53, 73, 0.6),
      rgba(10, 27, 41, 0.9)
    );

  box-shadow: var(--shadow);
}

.form-heading {
  font-size: 1.45rem;
  margin-bottom: 9px;
}

.form-subtitle {
  margin-bottom: 33px;
  font-size: 0.88rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 19px;
}

.form-group {
  margin-bottom: 23px;
}

.form-group label {
  display: block;
  margin-bottom: 9px;
  color: #dceaf0;
  font-size: 0.83rem;
  font-weight: 700;
}

.form-control {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 13px 16px;

  border: 1px solid rgba(171, 208, 225, 0.19);
  border-radius: 11px;

  background: rgba(5, 17, 28, 0.6);
  color: var(--ink);

  font-size: 0.93rem;
  line-height: 1.5;

  outline: none;

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.form-control::placeholder {
  color: #728ca0;
}

.form-control:focus {
  border-color: var(--teal);
  box-shadow:
    0 0 0 3px rgba(66, 224, 196, 0.09);
}

textarea.form-control {
  min-height: 165px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  border: none;
}

.form-note {
  margin: 15px 0 0;
  color: #819caf;
  font-size: 0.76rem;
  line-height: 1.75;
}

.form-note a {
  color: var(--teal);
}

.form-note a:hover {
  text-decoration: underline;
}

/* ---------- FOOTER ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: #050e17;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.25fr 0.7fr 0.8fr;
  gap: 65px;
  padding-block: 65px 55px;
}

.footer-description {
  max-width: 350px;
  margin-top: 20px;
  color: #92a8b9;
  font-size: 0.88rem;
  line-height: 1.85;
}

.footer-col h3 {
  margin: 4px 0 21px;
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #d5e6ee;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
}

.footer-links a,
.footer-col p {
  margin: 0;
  color: #8fa5b6;
  font-size: 0.86rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding-block: 23px;
  border-top: 1px solid var(--line);
}

.footer-bottom p {
  margin: 0;
  color: #7690a2;
  font-size: 0.76rem;
}

.footer-bottom span {
  color: #a1c1cc;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 10px;
  }

  .hero h1 {
    font-size: clamp(3rem, 5.3vw, 4.8rem);
  }

  .about-grid {
    gap: 50px;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card {
    min-height: 300px;
  }

  .contact-grid {
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(
      var(--container),
      calc(100% - 36px)
    );
  }

  .section {
    padding-block: 78px;
  }

  .nav {
    min-height: 78px;
    flex-wrap: wrap;
    padding-block: 14px;
    gap: 16px;
  }

  .brand-name {
    font-size: 1.06rem;
  }

  .nav-links {
    gap: 19px;
  }

  .nav-links > a:not(.btn) {
    font-size: 0.78rem;
  }

  .nav-links .btn {
    padding: 9px 15px;
    font-size: 0.75rem;
  }

  .hero {
    min-height: unset;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 0;
    padding-block: 76px 45px;
  }

  .hero-copy {
    max-width: 630px;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 9vw, 5.25rem);
  }

  .science-visual {
    width: min(100%, 440px);
    margin-top: 15px;
  }

  .capability-strip-inner {
    justify-content: flex-start;
    gap: 14px 27px;
  }

  .capability-label {
    width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 43px;
  }

  .about-art {
    min-height: 330px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .why-card p {
    max-width: 600px;
  }

  .cta-section {
    padding-block: 0 78px;
  }

  .cta-panel {
    padding: 54px 32px;
  }

  .contact-hero {
    padding-block: 80px;
  }

  .contact-section {
    padding-block: 75px 95px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 45px;
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .nav {
    justify-content: center;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 16px;
  }

  .hero-inner {
    padding-top: 60px;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 11.2vw, 3.8rem);
  }

  .hero-description {
    font-size: 0.98rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-micro {
    flex-wrap: wrap;
    row-gap: 8px;
    font-size: 0.66rem;
  }

  .science-visual {
    width: min(100%, 340px);
  }

  .science-label {
    padding: 8px 10px;
    font-size: 0.55rem;
  }

  .section-heading h2,
  .split-content h2 {
    font-size: 2.3rem;
  }

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

  .service-card {
    min-height: 290px;
  }

  .about-art {
    min-height: 280px;
  }

  .about-symbol {
    transform: rotate(-26deg) scale(0.75);
  }

  .cta-panel {
    padding: 47px 25px;
  }

  .cta-panel h2 {
    font-size: 2.25rem;
  }

  .contact-hero h1 {
    font-size: 3rem;
  }

  .contact-form-wrap {
    padding: 27px 20px;
    border-radius: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-brand-col {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
  }
}

/* ---------- MOTION & ACCESSIBILITY ---------- */

@media (prefers-reduced-motion: no-preference) {
  .science-core {
    animation: core-glow 7s ease-in-out infinite;
  }

  .orbit-one {
    animation: orbit-glow 8s ease-in-out infinite;
  }

  .orbit-two {
    animation: orbit-glow 8s ease-in-out infinite 2s;
  }

  @keyframes core-glow {
    0%, 100% {
      filter: brightness(1);
    }
    50% {
      filter: brightness(1.15);
    }
  }

  @keyframes orbit-glow {
    0%, 100% {
      opacity: 0.55;
    }
    50% {
      opacity: 1;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}