:root {
  --ink: #0e0d0b;
  --ink-2: #2a2825;
  --ink-3: #4a4845;
  --muted: #8a8680;
  --rule: #e4e2dd;
  --surface: #f8f7f4;
  --white: #ffffff;
  --blue: #1d46c8;
  --blue-light: #ebf0ff;
  --blue-mid: #3b5fe0;
  --amber: #b45309;
  --amber-bg: #fef3e2;
  --green: #166534;
  --green-bg: #f0fdf4;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', sans-serif;
  --max-w: 1120px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

::selection {
  background: var(--blue);
  color: #fff;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: var(--ink-3);
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--blue);
}

.display {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.5vw, 88px);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -1px;
  color: var(--ink);
}

.display em {
  font-style: italic;
  color: var(--blue);
}

.h2 {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.5vw, 60px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.5px;
}

.h2 em {
  font-style: italic;
  color: var(--blue);
}

.lead {
  font-size: 18px;
  color: var(--ink-3);
  line-height: 1.75;
  font-weight: 400;
  max-width: 540px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--white);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: all 0.22s;
}

.btn-primary:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29, 70, 200, .22);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--ink);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid var(--rule);
  cursor: pointer;
  transition: all 0.22s;
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.arrow {
  font-size: 16px;
  transition: transform .2s;
}

.btn-primary:hover .arrow,
.btn-ghost:hover .arrow {
  transform: translateX(4px);
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background .3s, box-shadow .3s;
}

nav.solid {
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--rule);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -.3px;
}

.logo sup {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  vertical-align: super;
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-3);
  text-decoration: none;
  letter-spacing: .3px;
  transition: color .2s;
}

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

.nav-cta {
  background: var(--ink) !important;
  color: var(--white) !important;
  padding: 9px 20px;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.nav-cta:hover {
  background: var(--blue) !important;
  color: var(--white) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all .3s;
}

/* HERO */
#hero {
  min-height: 100vh;
  padding-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
}

.hero-left {
  padding: clamp(64px, 10vw, 120px) clamp(20px, 4vw, 48px) clamp(64px, 10vw, 120px) clamp(20px, 4vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--rule);
  animation: fadeSlideUp .8s ease both;
  max-width: 640px;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px)
  }

  to {
    opacity: 1;
    transform: none
  }
}

.hero-left .display {
  animation: fadeSlideUp .8s .1s ease both;
  margin-bottom: 28px;
}

.hero-left .lead {
  animation: fadeSlideUp .8s .2s ease both;
  margin-bottom: 40px;
}

.hero-btns {
  animation: fadeSlideUp .8s .3s ease both;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-proof {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeSlideUp .8s .45s ease both;
}

.proof-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.proof-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .5px;
  margin-top: 5px;
  text-transform: uppercase;
}

.hero-right {
  background: var(--surface);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 79px, var(--rule) 79px, var(--rule) 80px);
  opacity: .5;
  pointer-events: none;
}

.hero-right-inner {
  padding: 30px;
  width: 100%;
  max-width: 480px;
  position: relative;
  z-index: 1;
}

.terminal {
  background: var(--ink);
  border-radius: 2px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(14, 13, 11, .18);
}

.terminal-bar {
  background: #1e1c1a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tb-r {
  background: #ff5f57
}

.tb-y {
  background: #ffbd2e
}

.tb-g {
  background: #28ca40
}

.terminal-bar span {
  margin-left: auto;
  font-size: 11px;
  color: #c0c0c0;
  letter-spacing: .5px;
}

.terminal-body {
  padding: 24px;
  line-height: 2;
}

.t-comment {
  color: #7e7e7e
}

.t-keyword {
  color: #c792ea
}

.t-fn {
  color: #82aaff
}

.t-str {
  color: #c3e88d
}

.t-var {
  color: #f8f8f2
}

.t-out {
  color: #5ae38e
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: #fff;
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0
  }
}

.hero-cards {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 20px;
  transition: border-color .2s;
}

.hero-card:hover {
  border-color: var(--blue);
}

.hc-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.hc-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}

.hc-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* TICKER */
.ticker {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 15px 0;
  overflow: hidden;
  background: var(--ink);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 32s linear infinite;
}

@keyframes ticker {
  from {
    transform: translateX(0)
  }

  to {
    transform: translateX(-50%)
  }
}

.ticker-item {
  display: flex;
  align-items: center;
  padding: 0 32px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .50);
  border-right: 1px solid rgba(255, 255, 255, .08);
  white-space: nowrap;
}

.ticker-item.hi {
  color: rgba(255, 255, 255, .8);
}

/* COURSES */
#courses {
  padding: clamp(80px, 12vw, 140px) 0;
}

.courses-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
  margin-bottom: 64px;
}

.course-table {
  border-top: 1px solid var(--rule);
}

.course-row {
  display: grid;
  grid-template-columns: 1.8fr 3fr 2fr auto;
  align-items: start;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  gap: 32px;
  transition: background .2s, padding .25s;
  cursor: default;
  position: relative;
}

.course-row::before {
  content: '';
  position: absolute;
  left: -48px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--blue);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s ease;
}

.course-row:hover::before {
  transform: scaleY(1);
}

.course-row:hover {
  background: var(--surface);
  margin: 0 -48px;
  padding-left: 48px;
  padding-right: 48px;
}

.course-index {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--muted);
  padding-top: 6px;
}

.course-name {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
}

.course-for {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

.course-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
  padding-top: 6px;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.ctag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  color: var(--ink-3);
  background: var(--surface);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--blue);
  text-decoration: none;
  transition: gap .2s;
  white-space: nowrap;
  padding-top: 6px;
}

.link-arrow:hover {
  gap: 10px;
}

/* DIFF */
#diff {
  background: var(--ink);
  padding: clamp(80px, 12vw, 140px) 0;
}

#diff .eyebrow {
  color: rgba(255, 255, 255, .35);
}

#diff .eyebrow::before {
  background: rgba(255, 255, 255, .25);
}

.diff-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.diff-head .h2 {
  color: var(--white);
}

.diff-head .h2 em {
  color: #82aaff;
}

.diff-head p {
  font-size: 15px;
  color: rgba(255, 255, 255, .4);
  line-height: 1.7;
  max-width: 380px;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .07);
  border-left: 1px solid rgba(255, 255, 255, .07);
}

.diff-card {
  padding: 44px 36px;
  border-right: 1px solid rgba(255, 255, 255, .07);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: background .25s;
}

.diff-card:hover {
  background: rgba(255, 255, 255, .03);
}

.diff-num {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.675);
  line-height: 1;
  margin-bottom: 20px;
}

.diff-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}

.diff-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, .4);
  line-height: 1.75;
}

/* PROCESS */
#process {
  padding: clamp(80px, 12vw, 140px) 0;
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border-left: 1px solid var(--rule);
}

.process-step {
  padding: 36px 32px;
  border-right: 1px solid var(--rule);
}

.ps-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ps-num::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.ps-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.2;
}

.ps-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

/* TESTIMONIALS */
#testimonials {
  padding: clamp(80px, 12vw, 140px) 0;
}

.testi-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.testi-list {
  border-top: 1px solid var(--rule);
}

.testi-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}

.testi-stars {
  letter-spacing: 1px;
  color: var(--amber);
  font-size: 14px;
  margin-bottom: 10px;
}

.testi-quote {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.55;
  margin-bottom: 20px;
}

.testi-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testi-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
  font-family: var(--font-body);
}

.testi-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.testi-role {
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
}

/* CONTACT */
#contact {
  background: var(--surface);
  padding: clamp(80px, 12vw, 140px) 0;
  border-top: 1px solid var(--rule);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(40px, 8vw, 96px);
  align-items: start;
}

.contact-details {
  border-top: 1px solid var(--rule);
  margin-top: 40px;
}

.cd-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.cd-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.cd-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.cd-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.cd-val a {
  color: inherit;
  text-decoration: none;
}

.cd-val a:hover {
  color: var(--blue);
}

.social-row {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}

.social-btn {
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, .04);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  text-decoration: none;
  transition: all .2s;
  color: var(--ink-3);
  font-weight: 700;
}

.social-btn:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

/* FORM */
.contact-form {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: clamp(28px, 4vw, 48px);
}

.cf-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 6px;
}

.cf-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.fg {
  margin-bottom: 16px;
}

.fg label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.fg input,
.fg select,
.fg textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .2s;
  -webkit-appearance: none;
  appearance: none;
}

.fg input::placeholder,
.fg textarea::placeholder {
  color: var(--muted);
}

.fg input:focus,
.fg select:focus,
.fg textarea:focus {
  border-color: var(--blue);
  background: var(--white);
}

.fg textarea {
  resize: vertical;
  min-height: 96px;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 20px 0;
}

.form-check input {
  accent-color: var(--blue);
  width: 14px;
  height: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

.form-check label {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  cursor: pointer;
}

.form-submit {
  width: 100%;
  background: var(--ink);
  color: var(--white);
  border: none;
  padding: 15px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .22s;
}

.form-submit:hover {
  background: var(--blue);
}

.form-submit:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.form-msg {
  display: none;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
}

.form-msg.success {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid #bbf7d0;
}

.form-msg.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* CTA STRIP */
#cta-strip {
  background: var(--blue);
  padding: clamp(56px, 8vw, 80px) 0;
  text-align: center;
}

#cta-strip .eyebrow {
  color: rgba(255, 255, 255, .45);
  justify-content: center;
}

#cta-strip .eyebrow::before {
  background: rgba(255, 255, 255, .35);
}

#cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: -.5px;
  line-height: 1.05;
  margin-bottom: 32px;
}

.phone-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.phone-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  transition: background .2s;
}

.phone-pill:hover {
  background: rgba(255, 255, 255, .18);
}

.btn-white {
  background: var(--white) !important;
  color: var(--blue) !important;
  border-color: var(--white) !important;
}

.btn-white:hover {
  background: var(--ink) !important;
  color: var(--white) !important;
  border-color: var(--ink) !important;
  box-shadow: none !important;
}

/* FOOTER */
footer {
  background: var(--ink);
  padding: clamp(56px, 8vw, 80px) 0 40px;
  color: rgba(255, 255, 255, .45);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--white);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-about {
  font-size: 13px;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 24px;
}

.footer-col h5 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .25);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col ul a {
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
  text-decoration: none;
  transition: color .2s;
}

.footer-col ul a:hover {
  color: var(--white);
}

.footer-social .social-btn {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .5);
}

.footer-social .social-btn:hover {
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  border-color: rgba(255, 255, 255, .2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.d1 {
  transition-delay: .08s
}

.d2 {
  transition-delay: .16s
}

.d3 {
  transition-delay: .24s
}

.d4 {
  transition-delay: .32s
}

/* RESPONSIVE */
@media (max-width:960px) {
  #hero {
    grid-template-columns: 1fr;
  }

  .hero-right {
    display: none;
  }

  .courses-header {
    grid-template-columns: 1fr;
  }

  .course-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .course-row:hover {
    margin: 0;
    padding: 36px 0;
  }

  .course-row::before {
    display: none;
  }

  .course-index {
    display: none;
  }

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

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

  .testi-layout {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width:640px) {
  .nav-links {
    width: 100dvw;
    height: 100dvh;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transform: translateX(110%);
    transition: transform .3s ease;
    z-index: 800;
  }

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

  .nav-links a {
    font-size: 16px;
    color: var(--ink);
  }

  .hamburger {
    display: flex;
  }

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

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

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

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

  .hero-left {
    padding-left: 20px;
    padding-right: 20px;
  }
}