/* Synthesis About page — premium sibling of synthesis.com/tutor
   Deep navy + cyan accents + gold CTAs. Work Sans. */

:root {
  --navy: #010d29;
  --navy-deep: #00041a;
  --navy-near: #010111;
  --navy-mid: #020d2b;
  --text: #ffffff;
  --text-soft: #bfceff;
  --text-lavender: #b7d0ff;
  --text-body: #dae7ff;
  --text-muted: #ffffff80;
  --line: #17357d;
  --line-soft: #ffffff1a;
  --sky: #38d3ff;
  --sky-soft: #00c7ff;
  --cyan: var(--sky);
  --gold-gradient: linear-gradient(90deg, #fcd544, #fa9a3d);
  --head-gradient: linear-gradient(#eff9ff, #d2d8e9);
  --head-gradient-alt: linear-gradient(#ffffff, #c1d8ff);
  --label-gradient: linear-gradient(160deg, #38d3ff, #3b73ff);
  --card-border: linear-gradient(135deg, #7c9bff, #475992);
  --card-border-hover: linear-gradient(135deg, #38d3ff, #7c9bff 40%, #475992);
  --card-fill: #0b1a3f;
  --card-fill-top: #13235a;
  --glass: #ffffff08;
  --glass-border: #ffffff1f;
  --radius: 14px;
  --radius-sm: 12px;
  --shadow-glow: 0 0 60px #38d3ff18, 0 20px 50px #00000066;
  --shadow-card: 0 12px 40px #00000055;
  --container: 1150px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--navy);
  background-image:
    radial-gradient(ellipse 80% 40% at 50% -10%, #0c127340, transparent 70%),
    linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 30%, var(--navy-deep) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: "Work Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--sky);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

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

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

.container {
  width: var(--container);
  max-width: 95%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.container--narrow {
  width: 900px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ========== Nav ========== */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background-color: #010d29a6;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px #00000040;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.nav-logo {
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
}

.nav-logo:hover {
  opacity: 0.85;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text);
  font-size: 16px;
  letter-spacing: 0.04em;
  transition: color 0.2s, opacity 0.2s;
}

.nav-links a.is-current {
  color: var(--sky);
  text-shadow: 0 0 20px #38d3ff55;
}

.nav-links a:hover {
  text-decoration: none;
  color: var(--sky);
  opacity: 1;
}

/* ========== Buttons ========== */

.button-gold,
.nav-links a.button-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 55px;
  padding: 0 30px;
  border-radius: 15px;
  border: none;
  background-color: #ffd000;
  background-image: var(--gold-gradient);
  color: #020718;
  font-size: 18.2px;
  font-weight: 600;
  letter-spacing: normal;
  box-shadow:
    0 4px 20px #fa9a3d44,
    0 0 40px #fcd54422,
    inset 0 1px 0 #ffffff66;
  transition: transform 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
}

.button-gold:hover,
.nav-links a.button-gold:hover {
  text-decoration: none;
  color: #020718;
  transform: translateY(-2px);
  box-shadow:
    0 10px 36px #fa9a3d66,
    0 0 50px #fcd54433,
    inset 0 1px 0 #ffffff88;
  filter: brightness(1.04);
}

.button-gold:active {
  transform: translateY(0);
}

.nav-links a.button-gold--nav {
  height: 45px;
  padding: 0 18px;
  font-size: 16px;
  border-radius: 12px;
}

.button-gold--center {
  width: 300px;
  max-width: 100%;
  font-size: 20px;
}

/* ========== Hero ========== */

.hero {
  position: relative;
  overflow: hidden;
  padding: 190px 0 90px;
  text-align: center;
  background-color: var(--navy-mid);
  background-image:
    radial-gradient(ellipse 70% 55% at 50% -5%, #00c7ff55, transparent 55%),
    radial-gradient(ellipse 45% 40% at 15% 20%, #4b3fc455, transparent 55%),
    radial-gradient(ellipse 40% 35% at 85% 15%, #2a1b9655, transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, #0c127333, transparent 60%),
    linear-gradient(180deg, #0c1273 0%, var(--navy-mid) 40%, var(--navy) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 20% auto;
  height: 60%;
  background: radial-gradient(ellipse at center, #38d3ff22, transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 10% -30%;
  height: 50%;
  background: radial-gradient(ellipse at center, #6f00ff18, transparent 70%);
  pointer-events: none;
  filter: blur(60px);
}

.hero-inner {
  width: 1000px;
  max-width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

.hero .section-label {
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 28px;
  padding: 0.1em 0.04em 0.06em;
  font-size: clamp(32px, 5.8vw, 68px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  text-wrap: balance;
  background-image: var(--head-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--text);
  filter: drop-shadow(0 0 40px #38d3ff22);
}

.hero-lede {
  margin: 0 auto 18px;
  max-width: 820px;
  color: var(--text);
  font-size: 24px;
  line-height: 1.5;
}

.hero-lede strong {
  font-weight: 500;
}

.hero-sub {
  margin: 0 auto 40px;
  max-width: 740px;
  color: var(--text-soft);
  font-size: 20px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hero-note {
  color: var(--text-soft);
  font-size: 15px;
}

/* Stats strip under hero CTA */

.stats-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 0;
  margin: 56px auto 0;
  max-width: 720px;
  padding: 1px;
  border-radius: 16px;
  background: linear-gradient(135deg, #7c9bff66, #38d3ff33, #47599266);
  box-shadow: var(--shadow-glow);
}

.stats-strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  border-radius: 15px;
  background: linear-gradient(160deg, #0e1d4acc, #08122fcc);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.stat {
  flex: 1 1 180px;
  padding: 22px 28px;
  text-align: center;
  border-right: 1px solid #ffffff18;
}

.stat:last-child {
  border-right: 0;
}

.stat-value {
  display: block;
  margin-bottom: 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background-image: var(--head-gradient-alt);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ========== Sections ========== */

.page-section {
  padding: 100px 0;
  position: relative;
}

.page-section--glow::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 55% 45% at 50% 40%, #4a28b833, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 70%, #00c7ff12, transparent 60%);
  pointer-events: none;
}

.section-label {
  display: inline-block;
  margin: 0 0 14px;
  background-image: var(--label-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-head {
  margin: 0 0 16px;
  padding-bottom: 4px;
  background-image: var(--head-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--text);
  font-size: clamp(34px, 4.5vw, 50px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.section-intro {
  max-width: 760px;
  margin: 0 0 48px;
  color: var(--text-soft);
  font-size: 20px;
  line-height: 1.55;
}

h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.3;
}

p {
  margin: 0 0 14px;
}

/* ========== Product cards ========== */

.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  padding: 1px;
  border-radius: var(--radius);
  background-image: var(--card-border);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  background-image: var(--card-border-hover);
  box-shadow:
    0 20px 50px #00000077,
    0 0 40px #38d3ff22;
}

.card-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border-radius: calc(var(--radius) - 1px);
  background:
    linear-gradient(180deg, #ffffff06, transparent 40%),
    linear-gradient(160deg, var(--card-fill-top), var(--card-fill) 65%);
  color: var(--text-body);
  transition: background 0.3s ease;
}

.card:hover .card-inner {
  background:
    linear-gradient(180deg, #38d3ff0a, transparent 45%),
    linear-gradient(160deg, #18306a, var(--card-fill) 65%);
}

.card-eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: #38d3ff18;
  border: 1px solid #38d3ff33;
  color: var(--sky);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  width: fit-content;
}

.card-inner h3 {
  margin-bottom: 14px;
  font-size: 22px;
}

.card-inner p {
  font-size: 15.5px;
  line-height: 1.6;
}

.card-link {
  margin-top: auto;
  padding-top: 16px;
  font-weight: 600;
  font-size: 15px;
  transition: letter-spacing 0.2s, color 0.2s;
}

.card:hover .card-link {
  letter-spacing: 0.02em;
  text-decoration: none;
}

/* ========== Differentiators ========== */

.diff-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 24px;
}

.diff-item {
  display: flex;
  gap: 20px;
  padding: 28px 26px;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(180deg, #ffffff08, transparent 50%),
    linear-gradient(160deg, #0e1d4a, #08122f);
  border: 1px solid #ffffff14;
  box-shadow: 0 8px 28px #00000033;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.diff-item:hover {
  transform: translateY(-3px);
  border-color: #38d3ff44;
  box-shadow: 0 14px 36px #00000055, 0 0 28px #38d3ff14;
}

.diff-item p {
  margin: 0;
  color: var(--text-body);
  font-size: 15.5px;
  line-height: 1.6;
}

.diff-item h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.diff-more {
  margin: 32px 0 0;
  font-size: 17px;
  font-weight: 600;
}

.diff-num {
  flex: none;
  position: relative;
  z-index: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background-image: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diff-num::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 12px;
  background: linear-gradient(145deg, #fcd5441a, #fa9a3d0d);
  border: 1px solid #fcd54433;
  box-shadow: 0 0 20px #fcd54414;
}

/* ========== Who uses / check list ========== */

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 28px;
}

.check-list li {
  position: relative;
  padding: 18px 20px 18px 52px;
  color: var(--text-body);
  font-size: 16.5px;
  line-height: 1.5;
  border-radius: var(--radius-sm);
  background: #ffffff06;
  border: 1px solid #ffffff10;
  transition: border-color 0.2s, background 0.2s;
}

.check-list li:hover {
  background: #ffffff0a;
  border-color: #38d3ff33;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 20px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #10bb70 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 13px no-repeat;
  box-shadow: 0 0 14px #10bb7044;
}

.check-list strong {
  color: var(--text);
  font-weight: 600;
}

/* ========== Origin / team ========== */

.origin {
  position: relative;
  background-image:
    linear-gradient(180deg, var(--navy) 0%, #010d29cc 25%, #010d29aa 75%, var(--navy) 100%),
    url("https://www.synthesis.com/_www/media/66c967d5e2f87d633a3fcfc9_rocketsspace.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.origin-box {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 90px;
  border-radius: 20px;
  border: 1px solid #ffffff28;
  background:
    linear-gradient(180deg, #ffffff0a, transparent 30%),
    #010d29cc;
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  box-shadow:
    0 24px 60px #00000066,
    inset 0 1px 0 #ffffff22;
  font-size: 19px;
  line-height: 1.7;
}

.origin-box > p {
  color: #f2f6ff;
}

.founders {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 36px 0 28px;
}

.founder {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #ffffff08;
  border: 1px solid #ffffff14;
  transition: border-color 0.2s, transform 0.2s;
}

.founder:hover {
  border-color: #38d3ff44;
  transform: translateY(-2px);
}

.founder img,
.founder-initials {
  flex: none;
  width: 88px;
  height: 88px;
  border-radius: 14px;
  object-fit: cover;
}

.founder img {
  box-shadow: 0 8px 24px #00000055;
}

.founder-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: var(--card-border);
  color: var(--text);
  font-size: 28px;
  font-weight: 700;
  box-shadow: 0 8px 24px #00000044;
}

.founder h3 {
  margin-bottom: 4px;
  font-size: 20px;
}

.founder p {
  margin: 0;
  color: #ffffffa6;
  font-size: 15px;
  line-height: 1.45;
}

.founder-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 10px;
  font-size: 14px;
}

.founder-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid #38d3ff44;
  transition: color 0.15s, border-color 0.15s;
}

.founder-links a:hover {
  color: #9eecff;
  border-bottom-color: #9eecff88;
}


.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-top: 24px;
  border-top: 1px solid #ffffff28;
  font-size: 16px;
}

.social-row span {
  color: var(--text-soft);
}

.social-row a {
  font-weight: 500;
}

/* ========== How it works / steps ========== */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 36px 0 40px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, #ffffff0a, transparent 40%),
    linear-gradient(160deg, #0e1d4a, #08122f);
  border: 1px solid #ffffff18;
  box-shadow: 0 10px 30px #00000040;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.steps li:hover {
  transform: translateY(-4px);
  border-color: #fcd54444;
  box-shadow: 0 16px 40px #00000055, 0 0 30px #fcd54414;
}

.steps li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 50%;
  background-image: var(--gold-gradient);
  color: #020718;
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 4px 16px #fa9a3d55, 0 0 24px #fcd54433;
}

.steps h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.steps p {
  margin: 0;
  color: var(--text-body);
  font-size: 15.5px;
  line-height: 1.55;
}

.support-note {
  color: var(--text-soft);
  font-size: 17px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: #ffffff06;
  border: 1px solid #ffffff12;
}

/* ========== Company details ========== */

.company-details-section {
  padding: 8px 0 88px;
}

.company-details {
  margin: 0 auto;
}

.company-details h2 {
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--card-fill);
  border: 1px solid #ffffff14;
  font-size: 15.5px;
  line-height: 1.45;
}

.facts-table th,
.facts-table td {
  padding: 12px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #17357d88;
}

.facts-table tr:last-child th,
.facts-table tr:last-child td {
  border-bottom: 0;
}

.facts-table tr:hover th,
.facts-table tr:hover td {
  background: #ffffff06;
}

.facts-table th {
  width: 32%;
  color: var(--text-soft);
  font-weight: 500;
}

.facts-table td {
  color: var(--text);
}

/* ========== FAQ ========== */

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 26px 30px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, #ffffff08, transparent 50%),
    linear-gradient(160deg, #0e1d4a, #08122f);
  border: 1px solid #ffffff16;
  box-shadow: 0 8px 24px #00000033;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.faq-item:hover {
  border-color: #38d3ff44;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px #00000044, 0 0 24px #38d3ff12;
}

.faq-item h3 {
  color: var(--text-lavender);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.faq-item p {
  margin: 0;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
}

.faq-item p + p {
  margin-top: 12px;
}

/* ========== Closing CTA ========== */

.cta-band {
  position: relative;
  overflow: hidden;
  padding: 120px 0 130px;
  text-align: center;
  background-image:
    radial-gradient(ellipse 60% 55% at 50% 50%, #00c7ff2e, transparent 65%),
    radial-gradient(ellipse 40% 40% at 20% 80%, #4b3fc422, transparent 50%),
    radial-gradient(ellipse 40% 40% at 80% 20%, #fcd54412, transparent 50%);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 20% 25%;
  background: radial-gradient(ellipse at center, #38d3ff18, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

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

.cta-band .section-head {
  margin-bottom: 12px;
}

.cta-band p {
  color: var(--text-soft);
  font-size: 20px;
  margin-bottom: 32px;
}

.cta-band .hero-note {
  margin-top: 16px;
  font-size: 15px;
}

/* ========== Footer ========== */

.footer {
  padding: 80px 0 40px;
  background-image:
    radial-gradient(ellipse 50% 40% at 50% 0%, #2f001f44, transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, #1a0014 55%, #2f001f 100%);
  border-top: 1px solid #ffffff12;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  color: var(--text-muted);
  max-width: 280px;
}

.footer-cols {
  display: flex;
  gap: 72px;
}

.footer-cols a {
  display: block;
  margin: 5px 0;
  padding: 5px 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.3;
  transition: color 0.25s;
}

.footer-cols a:hover {
  color: var(--sky);
  text-decoration: none;
}

.footer-title {
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid #ffffff1f;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-legal-links {
  display: flex;
  gap: 22px;
}

.footer-legal-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-legal-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ========== Responsive ========== */

@media (max-width: 991px) {
  .card-grid--3,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff-list {
    grid-template-columns: 1fr;
  }

  .origin-box {
    padding: 50px 48px;
  }

  .stat {
    border-right: 0;
    border-bottom: 1px solid #ffffff14;
    flex: 1 1 140px;
  }

  .stat:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 767px) {
  .hide-mobile {
    display: none;
  }

  .nav-inner {
    height: 66px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-logo img {
    width: 120px;
    height: auto;
  }

  .nav-links a.button-gold--nav {
    height: 40px;
    padding: 0 14px;
    font-size: 14px;
  }

  .hero {
    padding: 140px 0 64px;
  }

  .hero h1 {
    font-size: clamp(28px, 8.2vw, 36px);
    letter-spacing: -0.025em;
  }

  .hero-inner {
    padding: 0 16px;
  }

  .hero-lede {
    font-size: 19px;
  }

  .hero-sub,
  .section-intro {
    font-size: 17px;
  }

  .stats-strip {
    margin-top: 40px;
  }

  .stat {
    flex: 1 1 100%;
    padding: 16px 20px;
  }

  .page-section {
    padding: 64px 0;
  }

  .section-head {
    font-size: 32px;
  }

  h3 {
    font-size: 20px;
  }

  .card-grid--3,
  .steps,
  .check-list,
  .founders {
    grid-template-columns: 1fr;
  }

  .origin {
    background-attachment: scroll;
  }

  .origin-box {
    padding: 36px 22px;
    border-radius: 16px;
    font-size: 17px;
  }

  .diff-item {
    padding: 22px 18px;
  }

  .facts-table th,
  .facts-table td {
    display: block;
    width: 100%;
    padding: 12px 18px;
  }

  .facts-table th {
    padding-bottom: 0;
    border-bottom: 0;
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .faq-item {
    padding: 22px;
  }

  .cta-band {
    padding: 80px 0 90px;
  }

  .footer-inner,
  .footer-cols {
    flex-direction: column;
    gap: 28px;
  }

  .footer-cols {
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .nav-links a:not(.button-gold) {
    display: none;
  }

  .hero h1 {
    font-size: clamp(26px, 7.5vw, 32px);
  }

  .hero-inner {
    padding: 0 14px;
  }

  .button-gold--center {
    width: 100%;
  }
}

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

  html {
    scroll-behavior: auto;
  }

  .card:hover,
  .diff-item:hover,
  .steps li:hover,
  .faq-item:hover,
  .founder:hover,
  .button-gold:hover {
    transform: none;
  }
}

/* ===== Garrett hero refinements — 2026-09-29 ===== */
.hero {
  /* Crisp divider where the hero gives way to the dark page body. */
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

/* Oversized ghost Synthesis mark behind the hero content. */
.hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: min(1180px, 88vw);
  height: min(540px, 52vw);
  left: 50%;
  top: 51%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  -webkit-mask: url("https://www.synthesis.com/_www/media/64ff9ee0f9f78b21acd10400_Synthesis-Logo-White.svg") center / contain no-repeat;
  mask: url("https://www.synthesis.com/_www/media/64ff9ee0f9f78b21acd10400_Synthesis-Logo-White.svg") center / contain no-repeat;
  opacity: 0.04;
  filter: none;
  pointer-events: none;
}

/* A slightly stronger edge gives the ghost mark a stroked feel. */
.hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: min(1180px, 88vw);
  height: min(540px, 52vw);
  left: 50%;
  top: 51%;
  transform: translate(-50%, -50%);
  background-color: transparent;
  -webkit-mask: url("https://www.synthesis.com/_www/media/64ff9ee0f9f78b21acd10400_Synthesis-Logo-White.svg") center / contain no-repeat;
  mask: url("https://www.synthesis.com/_www/media/64ff9ee0f9f78b21acd10400_Synthesis-Logo-White.svg") center / contain no-repeat;
  opacity: 0.30;
  filter: drop-shadow(1px 0 0 rgba(255,255,255,.35))
          drop-shadow(-1px 0 0 rgba(255,255,255,.35))
          drop-shadow(0 1px 0 rgba(255,255,255,.35))
          drop-shadow(0 -1px 0 rgba(255,255,255,.35));
  pointer-events: none;
}

.hero-inner {
  z-index: 1;
}

/* ===== Product card color variants — Garrett design pass ===== */
/* Tutor keeps the existing blue treatment. */
#what-we-do .card:nth-child(1) .card-inner {
  background:
    linear-gradient(180deg, #ffffff06, transparent 40%),
    linear-gradient(160deg, var(--card-fill-top), var(--card-fill) 65%);
}

/* Schools: cooler slate blue, with pale blue-white accents. */
#what-we-do .card:nth-child(3) {
  background-image: linear-gradient(135deg, #71829a, #52627a 55%, #394861);
}
#what-we-do .card:nth-child(3) .card-inner,
#what-we-do .card:nth-child(3):hover .card-inner {
  background:
    linear-gradient(180deg, #ffffff07, transparent 40%),
    linear-gradient(160deg, #26364d 0%, #18263a 58%, #101b2d 100%);
}
#what-we-do .card:nth-child(3) .card-eyebrow {
  color: #E6F1FB;
  background: #E6F1FB12;
  border-color: #E6F1FB38;
}
#what-we-do .card:nth-child(3) .card-link {
  color: #E6F1FB;
}

/* Teams: pink edge, dark blue fading to deep red. Later pass wins. */
#what-we-do .card:nth-child(2) {
  background-image: linear-gradient(135deg, #FF83AD, #FF83AD 38%, #8f4967);
}
#what-we-do .card:nth-child(2) .card-inner {
  background:
    linear-gradient(180deg, #ffffff05, transparent 38%),
    linear-gradient(180deg, var(--card-fill-top) 0%, #101a42 48%, #541820 100%);
}
#what-we-do .card:nth-child(2):hover .card-inner {
  background:
    linear-gradient(180deg, #FF83AD0a, transparent 40%),
    linear-gradient(180deg, #18306a 0%, #101a42 46%, #541820 100%);
}
#what-we-do .card:nth-child(2) .card-eyebrow {
  color: #FF83AD;
  background: #FF83AD18;
  border-color: #FF83AD55;
}
#what-we-do .card:nth-child(2) .card-link {
  color: #FF83AD;
}

/* Why Synthesis: cyan number tiles instead of gold. */
.diff-num {
  background-image: none;
  color: var(--sky);
  -webkit-text-fill-color: currentColor;
}
.diff-num::before {
  background: linear-gradient(145deg, #38d3ff1a, #38d3ff0d);
  border-color: #38d3ff55;
  box-shadow: 0 0 20px #38d3ff18;
}

/* Our Story: rule where the photographic field ends. */
.origin {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

/* Getting Started: pale blue step numerals. */
.steps li::before {
  background: #E6F1FB;
  background-image: none;
  color: #020718;
  box-shadow: 0 4px 16px #E6F1FB26, 0 0 24px #E6F1FB18;
}
.steps li:hover {
  border-color: #E6F1FB44;
  box-shadow: 0 16px 40px #00000055, 0 0 30px #E6F1FB12;
}

/* Tighter space above the product cards. */
#what-we-do {
  padding-top: 42px;
}

/* One-by-one trademark note. */
#compare-cards .disclaimer {
  text-align: center;
  opacity: 0.75;
}