:root {
  --gate-green: #2fb154;
  --gate-green-dark: #238f43;
  --gate-green-soft: #eaf8ee;

  --gate-black: #0a0d0b;
  --gate-dark: #101713;
  --gate-dark-soft: #172019;

  --text-main: #14201a;
  --text-soft: #64716a;
  --text-light: #b8c1bc;

  --bg-white: #ffffff;
  --bg-soft: #f5f8f6;
  --bg-muted: #eef3ef;

  --border: #e3e9e5;
  --border-dark:
    rgba(255, 255, 255, 0.12);

  --shadow-soft:
    0 20px 55px
    rgba(15, 23, 42, 0.08);

  --shadow-hover:
    0 28px 70px
    rgba(15, 23, 42, 0.13);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-xl: 40px;

  --content-width: 1180px;
}


/* ========================================
   BASE
======================================== */

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;

  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Noto Sans KR",
    Arial,
    sans-serif;

  color: var(--text-main);
  background: var(--bg-white);

  -webkit-font-smoothing:
    antialiased;

  overflow-x: hidden;
}

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

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

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

button {
  font: inherit;
}

main {
  overflow: hidden;
}

.container {
  width:
    min(
      calc(100% - 48px),
      var(--content-width)
    );

  margin:
    0 auto;
}


/* ========================================
   NAVIGATION
======================================== */

.site-header {
  position: fixed;

  top: 0;
  left: 0;

  width: 100%;

  padding:
    20px 24px;

  z-index: 1000;

  transition:
    padding 0.3s ease;
}

.nav-bar {
  width:
    min(
      100%,
      1180px
    );

  min-height: 64px;

  margin:
    0 auto;

  padding:
    8px 10px 8px 18px;

  display: flex;

  align-items: center;
  justify-content:
    space-between;

  gap: 30px;

  border:
    1px solid
    rgba(
      255,
      255,
      255,
      0.18
    );

  border-radius:
    999px;

  background:
    rgba(
      10,
      13,
      11,
      0.36
    );

  backdrop-filter:
    blur(18px);

  -webkit-backdrop-filter:
    blur(18px);

  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    color 0.3s ease;
}

.site-header.scrolled {
  padding-top: 10px;
}

.site-header.scrolled
.nav-bar {
  background:
    rgba(
      255,
      255,
      255,
      0.94
    );

  border-color:
    rgba(
      15,
      23,
      42,
      0.08
    );

  box-shadow:
    0 8px 35px
    rgba(
      15,
      23,
      42,
      0.08
    );
}

.nav-brand {
  width: 46px;
  height: 46px;

  display: flex;
  align-items: center;
  justify-content: center;

  flex-shrink: 0;

  padding: 5px;

  border-radius: 50%;

  background:
    rgba(
      255,
      255,
      255,
      0.96
    );

  box-shadow:
    0 3px 12px
    rgba(
      0,
      0,
      0,
      0.12
    );
}

.nav-brand img {
  width: 36px;
  height: 36px;

  object-fit: contain;
}

.nav-links {
  display: flex;

  align-items: center;

  gap: 8px;
}

.nav-links > a {
  padding:
    11px 15px;

  border-radius:
    999px;

  font-size:
    0.91rem;

  font-weight: 650;

  color:
    rgba(
      255,
      255,
      255,
      0.82
    );

  transition:
    color 0.2s ease,
    background 0.2s ease;
}

.nav-links > a:hover,
.nav-links > a.active {
  color: #ffffff;

  background:
    rgba(
      255,
      255,
      255,
      0.1
    );
}

.site-header.scrolled
.nav-links > a {
  color: #34433b;
}

.site-header.scrolled
.nav-links > a:hover,
.site-header.scrolled
.nav-links > a.active {
  color:
    var(--gate-green-dark);

  background:
    var(--gate-green-soft);
}

.nav-links
.nav-cta {
  margin-left: 6px;

  padding:
    12px 20px;

  color:
    #08120b !important;

  background:
    var(--gate-green) !important;
}

.nav-links
.nav-cta:hover {
  background:
    #3ac35d !important;
}

.nav-toggle {
  display: none;

  width: 44px;
  height: 44px;

  padding: 0;

  border: 0;

  border-radius: 50%;

  background:
    rgba(
      255,
      255,
      255,
      0.1
    );

  cursor: pointer;
}

.nav-toggle span {
  display: block;

  width: 18px;
  height: 2px;

  margin:
    4px auto;

  background:
    white;

  transition:
    transform 0.25s ease,
    opacity 0.25s ease,
    background 0.25s ease;
}

.site-header.scrolled
.nav-toggle span {
  background:
    var(--text-main);
}


/* ========================================
   HERO
======================================== */

.hero {
  position: relative;

  min-height: 820px;
  height: 92vh;

  display: flex;

  align-items: center;
  justify-content: center;

  padding:
    150px 24px
    110px;

  color: white;

  background:
    radial-gradient(
      circle at 35% 20%,
      #173520 0,
      transparent 35%
    ),
    linear-gradient(
      145deg,
      #07100a,
      #0e1711 52%,
      #070a08
    );

  overflow: hidden;
}

.hero::before {
  content: "";

  position: absolute;
  inset: 0;

  background-image:
    linear-gradient(
      rgba(
        255,
        255,
        255,
        0.025
      ) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(
        255,
        255,
        255,
        0.025
      ) 1px,
      transparent 1px
    );

  background-size:
    70px 70px;

  pointer-events: none;
}

.hero-glow {
  position: absolute;

  border-radius: 50%;

  filter: blur(10px);

  pointer-events: none;
}

.hero-glow-one {
  width: 520px;
  height: 520px;

  top: -210px;
  left: -180px;

  background:
    rgba(
      47,
      177,
      84,
      0.14
    );
}

.hero-glow-two {
  width: 450px;
  height: 450px;

  bottom: -260px;
  right: -120px;

  background:
    rgba(
      47,
      177,
      84,
      0.08
    );
}

.hero-inner {
  position: relative;

  width: min(
    100%,
    1050px
  );

  z-index: 2;

  text-align: center;
}

.hero-badge,
.eyebrow {
  display: inline-flex;

  align-items: center;

  gap: 8px;

  font-size:
    0.75rem;

  line-height: 1;

  font-weight: 800;

  letter-spacing:
    0.16em;

  color:
    var(--gate-green-dark);
}

.hero-badge {
  margin-bottom: 28px;

  padding:
    10px 15px;

  color:
    #8ef3a6;

  background:
    rgba(
      47,
      177,
      84,
      0.12
    );

  border:
    1px solid
    rgba(
      85,
      220,
      118,
      0.25
    );

  border-radius:
    999px;
}

.hero h1 {
  max-width: 950px;

  margin:
    0 auto;

  font-size:
    clamp(
      3.2rem,
      7vw,
      6.6rem
    );

  line-height: 0.98;

  letter-spacing:
    -0.055em;

  font-weight: 800;
}

.hero h1 span {
  display: block;

  color:
    var(--gate-green);
}

.hero-description {
  max-width: 760px;

  margin:
    34px auto 0;

  color:
    rgba(
      255,
      255,
      255,
      0.72
    );

  font-size:
    clamp(
      1rem,
      1.7vw,
      1.18rem
    );

  line-height: 1.85;
}

.hero-description strong {
  color: white;
}

.hero-actions {
  display: flex;

  align-items: center;
  justify-content: center;

  gap: 12px;

  margin-top: 34px;

  flex-wrap: wrap;
}

.button {
  min-height: 52px;

  padding:
    0 24px;

  display: inline-flex;

  align-items: center;
  justify-content: center;

  border-radius:
    999px;

  font-size:
    0.94rem;

  font-weight: 750;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

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

.button-primary {
  color:
    #07120b;

  background:
    var(--gate-green);
}

.button-primary:hover {
  background:
    #42c965;
}

.button-secondary {
  color: white;

  border:
    1px solid
    rgba(
      255,
      255,
      255,
      0.24
    );

  background:
    rgba(
      255,
      255,
      255,
      0.07
    );
}

.button-secondary:hover {
  background:
    rgba(
      255,
      255,
      255,
      0.14
    );
}

.button-dark-outline {
  color: white;

  border:
    1px solid
    rgba(
      255,
      255,
      255,
      0.25
    );
}

.button-dark-outline:hover {
  background:
    rgba(
      255,
      255,
      255,
      0.08
    );
}

.hero-categories {
  display: flex;

  justify-content: center;
  align-items: center;

  gap: 26px;

  margin-top: 62px;

  flex-wrap: wrap;

  color:
    rgba(
      255,
      255,
      255,
      0.54
    );

  font-size:
    0.78rem;

  font-weight: 750;

  letter-spacing:
    0.08em;

  text-transform:
    uppercase;
}

.hero-categories a {
  transition:
    color 0.2s ease;
}

.hero-categories a:hover {
  color:
    var(--gate-green);
}

.scroll-indicator {
  position: absolute;

  bottom: 28px;
  left: 50%;

  width: 30px;
  height: 48px;

  transform:
    translateX(-50%);

  border:
    1px solid
    rgba(
      255,
      255,
      255,
      0.22
    );

  border-radius:
    999px;
}

.scroll-indicator span {
  position: absolute;

  width: 4px;
  height: 8px;

  top: 10px;
  left: 50%;

  border-radius:
    10px;

  background:
    var(--gate-green);

  transform:
    translateX(-50%);

  animation:
    scrollDot
    1.8s ease
    infinite;
}

@keyframes scrollDot {
  0% {
    opacity: 0;

    transform:
      translate(
        -50%,
        0
      );
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;

    transform:
      translate(
        -50%,
        16px
      );
  }
}


/* ========================================
   COMMON SECTION
======================================== */

.section {
  padding:
    120px 0;
}

.section-white,
.section-light {
  background:
    white;
}

.section-soft {
  background:
    var(--bg-soft);
}

.section-dark {
  color: white;

  background:
    var(--gate-dark);
}

.section-intro {
  max-width: 760px;

  margin-bottom:
    58px;
}

.section-intro.center {
  margin:
    0 auto
    58px;

  text-align: center;
}

.section-intro.light {
  color: white;
}

.section-intro h2,
.content-column h2,
.final-cta h2 {
  margin:
    14px 0 0;

  font-size:
    clamp(
      2.5rem,
      4.8vw,
      4.5rem
    );

  line-height: 1.04;

  letter-spacing:
    -0.045em;

  font-weight: 790;
}

.section-intro p {
  max-width: 670px;

  margin:
    22px auto 0;

  color:
    var(--text-soft);

  font-size:
    1.05rem;

  line-height: 1.8;
}

.section-intro.light p {
  margin-left: 0;

  color:
    var(--text-light);
}

.eyebrow-light {
  color:
    #81e99b;
}

.split-layout {
  display: grid;

  grid-template-columns:
    minmax(0, 0.92fr)
    minmax(0, 1.08fr);

  gap:
    clamp(
      50px,
      8vw,
      105px
    );

  align-items: center;
}

.content-column h2 {
  margin-bottom: 26px;
}

.content-column p {
  color:
    var(--text-soft);

  font-size:
    1rem;

  line-height: 1.85;
}

.content-column .lead {
  margin-bottom: 22px;

  color:
    var(--text-main);

  font-size:
    1.16rem;

  line-height: 1.75;

  font-weight: 620;
}

.media-frame {
  overflow: hidden;

  padding: 10px;

  border:
    1px solid
    var(--border);

  border-radius:
    var(--radius-lg);

  background:
    white;

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

.media-frame img {
  width: 100%;

  border-radius:
    calc(
      var(--radius-lg)
      - 9px
    );
}

.media-frame-dark {
  border-color:
    rgba(
      255,
      255,
      255,
      0.12
    );

  background:
    #1c2720;

  box-shadow:
    0 24px 70px
    rgba(
      0,
      0,
      0,
      0.3
    );
}

.wide-media-frame {
  margin-top: 38px;

  padding: 10px;

  overflow: hidden;

  border:
    1px solid
    var(--border);

  border-radius:
    var(--radius-lg);

  background:
    white;

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

.wide-media-frame img {
  width: 100%;

  border-radius:
    calc(
      var(--radius-lg)
      - 8px
    );
}


/* ========================================
   PROGRAM CARDS
======================================== */

.program-grid {
  display: grid;

  grid-template-columns:
    repeat(
      4,
      minmax(
        0,
        1fr
      )
    );

  gap: 18px;
}

.program-card {
  position: relative;

  min-height: 325px;

  padding: 30px;

  display: flex;

  flex-direction: column;

  border:
    1px solid
    var(--border);

  border-radius:
    var(--radius-md);

  background:
    #ffffff;

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.program-card:hover {
  transform:
    translateY(-7px);

  border-color:
    rgba(
      47,
      177,
      84,
      0.35
    );

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

.program-number {
  font-size:
    0.72rem;

  font-weight: 800;

  letter-spacing:
    0.1em;

  color:
    var(--gate-green);
}

.program-card h3 {
  margin:
    42px 0 13px;

  font-size:
    1.55rem;

  letter-spacing:
    -0.025em;
}

.program-card p {
  margin: 0;

  color:
    var(--text-soft);

  font-size:
    0.93rem;

  line-height: 1.72;
}

.program-tags {
  display: flex;

  gap: 6px;

  margin-top: auto;
  padding-top: 28px;

  flex-wrap: wrap;
}

.program-tags span {
  padding:
    6px 9px;

  color:
    var(--text-soft);

  font-size:
    0.7rem;

  font-weight: 700;

  border-radius:
    999px;

  background:
    var(--bg-soft);
}

.card-arrow {
  position: absolute;

  top: 27px;
  right: 28px;

  font-size:
    1.25rem;

  color:
    #9ba79f;

  transition:
    transform 0.2s ease,
    color 0.2s ease;
}

.program-card:hover
.card-arrow {
  color:
    var(--gate-green);

  transform:
    translateX(4px);
}


/* ========================================
   ELEMENTARY
======================================== */

.feature-list {
  margin-top: 34px;

  border-top:
    1px solid
    var(--border);
}

.feature-list > div {
  display: grid;

  grid-template-columns:
    120px 1fr;

  gap: 20px;

  padding:
    16px 0;

  border-bottom:
    1px solid
    var(--border);
}

.feature-list strong {
  color:
    var(--text-main);

  font-size:
    0.9rem;
}

.feature-list span {
  color:
    var(--text-soft);

  font-size:
    0.88rem;
}

.level-area {
  margin-top: 120px;
}

.level-heading {
  display: grid;

  grid-template-columns:
    1.1fr
    0.9fr;

  gap: 60px;

  align-items: end;
}

.level-heading h3 {
  margin:
    13px 0 0;

  max-width: 580px;

  font-size:
    clamp(
      2rem,
      3.6vw,
      3.25rem
    );

  line-height: 1.1;

  letter-spacing:
    -0.04em;
}

.level-heading p {
  margin: 0;

  color:
    var(--text-soft);

  line-height: 1.8;
}

.level-path {
  display: grid;

  grid-template-columns:
    auto 1fr
    auto 1fr
    auto 1fr
    auto 1fr
    auto 1fr
    auto;

  align-items: center;

  gap: 12px;

  margin-top: 50px;
}

.level-item {
  text-align: center;
}

.level-item span {
  width: 60px;
  height: 60px;

  display: flex;

  align-items: center;
  justify-content: center;

  margin:
    0 auto;

  border:
    1px solid
    var(--border);

  border-radius: 50%;

  color:
    var(--gate-green-dark);

  background:
    var(--gate-green-soft);

  font-size:
    1rem;

  font-weight: 800;
}

.level-item small {
  display: block;

  margin-top: 10px;

  color:
    var(--text-soft);

  font-size:
    0.7rem;

  white-space: nowrap;
}

.level-line {
  height: 1px;

  margin-top: -21px;

  background:
    linear-gradient(
      90deg,
      #dfe7e2,
      var(--gate-green),
      #dfe7e2
    );
}


/* ========================================
   LEARNING SYSTEM
======================================== */

.system-grid {
  display: grid;

  grid-template-columns:
    repeat(
      4,
      1fr
    );

  gap: 14px;
}

.system-card {
  min-height: 260px;

  padding: 28px;

  border:
    1px solid
    var(--border-dark);

  border-radius:
    var(--radius-md);

  background:
    rgba(
      255,
      255,
      255,
      0.035
    );
}

.system-index {
  color:
    #71df8c;

  font-size:
    0.72rem;

  font-weight: 800;

  letter-spacing:
    0.1em;
}

.system-card h3 {
  margin:
    42px 0 12px;

  font-size:
    1.4rem;
}

.system-card p {
  margin: 0;

  color:
    var(--text-light);

  font-size:
    0.9rem;

  line-height: 1.75;
}

.system-showcase {
  display: grid;

  grid-template-columns:
    0.74fr
    1.26fr;

  gap: 70px;

  align-items: center;

  margin-top: 80px;

  padding-top: 80px;

  border-top:
    1px solid
    var(--border-dark);
}

.system-showcase-copy
.mini-label {
  font-size:
    0.72rem;

  font-weight: 800;

  letter-spacing:
    0.14em;

  color:
    #77e391;
}

.system-showcase-copy h3 {
  margin:
    14px 0 24px;

  font-size:
    clamp(
      2.4rem,
      5vw,
      4.5rem
    );

  line-height: 0.98;

  letter-spacing:
    -0.045em;
}

.system-showcase-copy p {
  margin: 0;

  color:
    var(--text-light);

  line-height: 1.85;
}


/* ========================================
   TOEFL
======================================== */

.toefl-skills {
  display: grid;

  grid-template-columns:
    repeat(
      4,
      1fr
    );

  gap: 16px;
}

.toefl-skills article {
  padding: 27px;

  border:
    1px solid
    var(--border);

  border-radius:
    var(--radius-md);

  background:
    var(--bg-soft);
}

.toefl-skills article > span {
  width: 42px;
  height: 42px;

  display: flex;

  align-items: center;
  justify-content: center;

  color:
    var(--gate-green-dark);

  border-radius: 50%;

  background:
    var(--gate-green-soft);

  font-size:
    0.85rem;

  font-weight: 850;
}

.toefl-skills h3 {
  margin:
    24px 0 9px;

  font-size:
    1.2rem;
}

.toefl-skills p {
  margin: 0;

  color:
    var(--text-soft);

  font-size:
    0.86rem;

  line-height: 1.65;
}

.toefl-showcase {
  margin-top: 90px;
}

.sub-heading {
  margin:
    14px 0 24px;

  font-size:
    clamp(
      2.2rem,
      4vw,
      3.6rem
    );

  line-height: 1.05;

  letter-spacing:
    -0.04em;
}

.inline-points {
  display: flex;

  gap: 8px;

  margin-top: 28px;

  flex-wrap: wrap;
}

.inline-points span {
  padding:
    8px 12px;

  border:
    1px solid
    var(--border);

  border-radius:
    999px;

  color:
    var(--text-soft);

  background:
    var(--bg-soft);

  font-size:
    0.76rem;

  font-weight: 700;
}

.toefl-secondary {
  display: grid;

  grid-template-columns:
    0.8fr
    1.2fr;

  gap: 70px;

  align-items: center;

  margin-top: 110px;

  padding:
    70px;

  border-radius:
    var(--radius-xl);

  background:
    var(--bg-soft);
}

.toefl-secondary h3 {
  margin:
    14px 0 22px;

  font-size:
    clamp(
      2rem,
      3.5vw,
      3rem
    );

  line-height: 1.08;

  letter-spacing:
    -0.04em;
}

.toefl-secondary p {
  color:
    var(--text-soft);

  line-height: 1.8;
}


/* ========================================
   EXPERIENCE
======================================== */

.experience-grid {
  display: grid;

  grid-template-columns:
    1fr 1fr;

  gap: 20px;
}

.experience-card {
  overflow: hidden;

  border:
    1px solid
    var(--border);

  border-radius:
    var(--radius-lg);

  background:
    white;

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.experience-card:hover {
  transform:
    translateY(-5px);

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

.experience-card-wide {
  grid-column:
    1 / -1;

  display: grid;

  grid-template-columns:
    1.05fr
    0.95fr;
}

.experience-image {
  padding: 12px;

  background:
    var(--bg-soft);
}

.experience-image img {
  width: 100%;
  height: 315px;

  object-fit: cover;

  border-radius:
    calc(
      var(--radius-lg)
      - 10px
    );
}

.experience-card-wide
.experience-image img {
  height: 100%;
  min-height: 360px;
}

.experience-content {
  padding:
    32px;
}

.experience-content > span {
  color:
    var(--gate-green-dark);

  font-size:
    0.7rem;

  font-weight: 800;

  letter-spacing:
    0.12em;

  text-transform:
    uppercase;
}

.experience-content h3 {
  margin:
    12px 0 15px;

  font-size:
    1.55rem;

  line-height: 1.18;

  letter-spacing:
    -0.025em;
}

.experience-content p {
  margin: 0;

  color:
    var(--text-soft);

  line-height: 1.75;
}


/* ========================================
   FINAL CTA
======================================== */

.final-cta {
  padding:
    120px 24px;

  color: white;

  background:
    linear-gradient(
      140deg,
      #07100a,
      #112117
    );
}

.final-cta-inner {
  text-align: center;
}

.final-cta h2 {
  margin:
    16px auto 0;

  max-width: 820px;
}

.final-cta p {
  max-width: 620px;

  margin:
    25px auto 0;

  color:
    rgba(
      255,
      255,
      255,
      0.62
    );

  font-size:
    1.03rem;

  line-height: 1.8;
}


/* ========================================
   FOOTER
======================================== */

.site-footer {
  padding:
    48px 24px;

  color: white;

  background:
    #060806;
}

.footer-inner {
  width:
    min(
      100%,
      1180px
    );

  margin:
    0 auto;

  text-align: center;
}

.footer-brand {
  margin-bottom: 20px;

  font-size:
    1rem;

  font-weight: 800;
}

.footer-links {
  display: flex;

  justify-content: center;

  gap: 22px;

  flex-wrap: wrap;
}

.footer-links a {
  color:
    rgba(
      255,
      255,
      255,
      0.58
    );

  font-size:
    0.83rem;

  transition:
    color 0.2s ease;
}

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

.site-footer p {
  margin:
    23px 0 0;

  color:
    rgba(
      255,
      255,
      255,
      0.35
    );

  font-size:
    0.75rem;
}


/* ========================================
   REVEAL ANIMATION
======================================== */

.reveal {
  opacity: 0;

  transform:
    translateY(22px);

  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;

  transform:
    translateY(0);
}

@media
(prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;

    transition: none;
  }

  .scroll-indicator span {
    animation: none;
  }

}


/* ========================================
   TABLET
======================================== */

@media
(max-width: 1000px) {

  .section {
    padding:
      95px 0;
  }

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

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

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

  .system-card {
    min-height: 220px;
  }

  .toefl-skills {
    grid-template-columns:
      repeat(
        2,
        1fr
      );
  }

  .system-showcase,
  .toefl-secondary {
    gap: 45px;
  }

  .toefl-secondary {
    padding:
      50px;
  }

}


/* ========================================
   MOBILE NAV
======================================== */

@media
(max-width: 800px) {

  .site-header {
    padding:
      14px;
  }

  .site-header.scrolled {
    padding-top:
      8px;
  }

  .nav-bar {
    position: relative;

    min-height: 58px;

    padding:
      7px 8px 7px 14px;
  }

  .nav-brand img {
    width: 38px;
    height: 38px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;

    top:
      calc(
        100% + 10px
      );

    left: 0;
    right: 0;

    display: none;

    padding: 10px;

    flex-direction: column;

    align-items: stretch;

    border:
      1px solid
      var(--border);

    border-radius:
      22px;

    background:
      rgba(
        255,
        255,
        255,
        0.98
      );

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

  .nav-links.open {
    display: flex;
  }

  .nav-links > a,
  .site-header
  .nav-links > a,
  .site-header.scrolled
  .nav-links > a {
    color:
      var(--text-main);

    padding:
      13px 15px;
  }

  .nav-links > a:hover,
  .nav-links > a.active {
    color:
      var(--gate-green-dark);

    background:
      var(--gate-green-soft);
  }

  .nav-links
  .nav-cta {
    margin: 4px 0 0;

    text-align: center;
  }

  .nav-toggle.open
  span:nth-child(1) {
    transform:
      translateY(6px)
      rotate(45deg);
  }

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

  .nav-toggle.open
  span:nth-child(3) {
    transform:
      translateY(-6px)
      rotate(-45deg);
  }

}


/* ========================================
   MOBILE
======================================== */

@media
(max-width: 720px) {

  .container {
    width:
      min(
        calc(100% - 32px),
        var(--content-width)
      );
  }

  .hero {
    min-height: 720px;
    height: auto;

    padding:
      135px 20px
      95px;
  }

  .hero h1 {
    font-size:
      clamp(
        2.75rem,
        13vw,
        4.2rem
      );
  }

  .hero-description br {
    display: none;
  }

  .hero-categories {
    gap:
      14px 22px;

    margin-top:
      46px;
  }

  .scroll-indicator {
    display: none;
  }

  .section {
    padding:
      80px 0;
  }

  .section-intro.center {
    margin-bottom:
      42px;
  }

  .section-intro h2,
  .content-column h2,
  .final-cta h2 {
    font-size:
      clamp(
        2.3rem,
        11vw,
        3.6rem
      );
  }

  .section-intro h2 br {
    display: none;
  }

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

  .program-card {
    min-height: 260px;
  }

  .split-layout {
    grid-template-columns:
      1fr;

    gap: 42px;
  }

  .level-area {
    margin-top:
      90px;
  }

  .level-heading {
    grid-template-columns:
      1fr;

    gap: 22px;
  }

  .level-path {
    grid-template-columns:
      repeat(
        3,
        1fr
      );

    gap: 28px 10px;
  }

  .level-line {
    display: none;
  }

  .level-item small {
    white-space: normal;
  }

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

  .system-card {
    min-height: 190px;
  }

  .system-card h3 {
    margin-top: 32px;
  }

  .system-showcase {
    grid-template-columns:
      1fr;

    gap: 40px;

    margin-top: 60px;

    padding-top: 60px;
  }

  .system-showcase-copy h3 br {
    display: none;
  }

  .toefl-skills {
    grid-template-columns:
      1fr 1fr;

    gap: 10px;
  }

  .toefl-skills article {
    padding: 20px;
  }

  .toefl-showcase {
    margin-top:
      65px;
  }

  .toefl-secondary {
    grid-template-columns:
      1fr;

    gap: 35px;

    margin-top:
      75px;

    padding:
      34px 24px;

    border-radius:
      28px;
  }

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

  .experience-card-wide {
    grid-column: auto;

    display: block;
  }

  .experience-image img,
  .experience-card-wide
  .experience-image img {
    height: auto;
    min-height: 0;

    object-fit: contain;
  }

  .final-cta {
    padding:
      85px 20px;
  }

}


/* ========================================
   SMALL MOBILE
======================================== */

@media
(max-width: 480px) {

  .hero {
    padding-top:
      125px;
  }

  .hero-badge {
    margin-bottom:
      22px;
  }

  .hero-actions {
    flex-direction: column;

    align-items: stretch;
  }

  .hero-actions .button {
    width: 100%;
  }

  .program-card {
    padding:
      25px;
  }

  .feature-list > div {
    grid-template-columns:
      1fr;

    gap: 5px;
  }

  .toefl-skills {
    grid-template-columns:
      1fr;
  }

  .experience-content {
    padding:
      26px;
  }

}