/* =========================================================
   NDR SWIM DRYLAND TRAINING
   FINAL BASE STYLE
   - Responsive one-page layout
   - Alternating LIGHT / DARK sections
   - COACH two-column preview
   - PROGRAM image cards
   - TRAINING horizontal slider
   - CONTACT light + Leaflet map
   - FOOTER dark
   ========================================================= */

:root {
  /* Base */
  --bg: #0b0d0f;
  --bg-deep: #050607;
  --text: #101214;
  --light: #f5f4ef;
  --white: #ffffff;
  --muted: #9ca0a4;

  /* NDR dark brand palette */
  --dark-start: #07131d;
  --dark-mid: #0a1c2b;
  --dark-end: #081018;

  /* START CLINIC accent palette */
  --clinic-start: #07131d;
  --clinic-mid: #0a2235;
  --clinic-end: #071019;
  --clinic-accent: #64bfe8;

  /* Lines */
  --line-dark: rgba(0, 0, 0, 0.15);
  --line-light: rgba(255, 255, 255, 0.15);

  /* Layout */
  --header-height: 76px;
  --content-width: 1320px;
}


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

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--light);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

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

button {
  font: inherit;
}


/* =========================================================
   HEADER
   ========================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  height: var(--header-height);

  z-index: 1000;

  color: #fff;

  background: rgba(5, 7, 8, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  width: 100%;
  max-width: 1440px;
  height: 100%;

  margin: 0 auto;
  padding: 0 42px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.logo-main {
  font-size: 29px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -1.5px;
}

.logo-sub {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  opacity: 0.72;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 35px;
}

.main-nav a {
  position: relative;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
}

.main-nav a::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -7px;

  width: 0;
  height: 1px;

  background: #fff;

  transition: width 0.25s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;

  width: 38px;
  height: 38px;
  padding: 7px;

  border: 0;
  background: transparent;

  cursor: pointer;
}

.menu-toggle span {
  display: block;

  width: 100%;
  height: 2px;

  margin: 5px 0;

  background: #fff;

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


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

.hero {
  position: relative;

  min-height: 100svh;

  padding:
          calc(var(--header-height) + 90px)
          6vw
          70px;

  display: flex;
  align-items: center;

  overflow: hidden;

  color: #fff;

  background:
          linear-gradient(
                  90deg,
                  rgba(0, 0, 0, 0.05) 0%,
                  rgba(0, 0, 0, 0.10) 35%,
                  rgba(0, 0, 0, 0.30) 58%,
                  rgba(0, 0, 0, 0.72) 100%
          ),
          url('/images/hero.jpg') center center / cover no-repeat;
}

.hero::after {
  content: "NDR";

  position: absolute;
  right: -2vw;
  bottom: -10vh;

  font-size: clamp(180px, 31vw, 600px);
  font-weight: 900;
  line-height: 0.7;
  letter-spacing: -4vw;

  color: rgba(255, 255, 255, 0.025);

  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;

  background:
          repeating-linear-gradient(
                  90deg,
                  transparent 0,
                  transparent calc(25% - 1px),
                  rgba(255, 255, 255, 0.025) 25%
          );

  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;

  width: min(680px, 44%);

  margin-left: auto;

  text-align: left;
}

.eyebrow {
  margin: 0 0 24px;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;

  color: rgba(255, 255, 255, 0.85);
}

.hero h1 {
  margin: 0;

  font-size: clamp(56px, 7.4vw, 118px);
  line-height: 0.86;

  letter-spacing: -0.065em;
  font-weight: 900;
}

.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.75);
}

.mobile-only {
  display: none;
}

.hero-desc {
  max-width: 520px;

  margin: 33px 0 30px;

  font-size: 17px;

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 48px;

  padding: 0 22px;

  border: 1px solid rgba(255, 255, 255, 0.55);

  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;

  transition:
          background 0.25s ease,
          color 0.25s ease,
          border-color 0.25s ease;
}

.btn-light:hover {
  background: #fff;
  color: #111;
  border-color: #fff;
}

.hero-mark {
  position: absolute;
  z-index: 2;

  right: 6vw;
  bottom: 55px;

  display: flex;
  flex-direction: column;

  text-align: right;
}

.hero-mark span {
  font-size: 9px;
  letter-spacing: 2px;
}

.hero-mark strong {
  font-size: 30px;
  line-height: 1;
}


/* =========================================================
   COMMON SECTIONS
   ========================================================= */

.section {
  padding: 140px 6vw;
}

.section-inner {
  width: 100%;
  max-width: var(--content-width);

  margin: 0 auto;
}

.section-light {
  color: var(--text);
  background: var(--light);
}

.section-dark {
  color: #fff;

  background:
          linear-gradient(
                  135deg,
                  var(--dark-start) 0%,
                  var(--dark-mid) 55%,
                  var(--dark-end) 100%
          );
}

.section-no {
  display: inline-block;

  margin-bottom: 8px;

  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;

  opacity: 0.6;
}

.section-label {
  margin: 0 0 36px;

  font-size: 15px;
  font-weight: 900;
  letter-spacing: 2.6px;
}

.section-dark .section-no {
  color: rgba(255, 255, 255, 0.58);
}

.section-dark .section-label {
  color: #fff;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;

  column-gap: 10vw;
  row-gap: 42px;
}

.section-heading h2,
.contact-inner h2 {
  margin: 0;

  font-size: clamp(58px, 8vw, 120px);
  line-height: 0.86;

  letter-spacing: -0.065em;
}

.section-body {
  padding-top: 45px;
}

.section-body .lead {
  margin-top: 0;

  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.35;

  letter-spacing: -0.035em;
}

.section-body > p:not(.lead) {
  max-width: 660px;

  font-size: 16px;

  color: #555c62;
}

.section-dark .section-body > p:not(.lead) {
  color: #a9afb4;
}

.section-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;

  gap: 50px;

  margin-bottom: 65px;
}

.section-intro {
  max-width: 430px;

  margin: 0;

  font-size: 15px;

  color: #666;
}

.section-dark .section-intro,
.section-dark .section-intro.dark-text {
  color: #a9afb4;
}


/* =========================================================
   ABOUT
   ========================================================= */

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;

  margin-top: 45px;
}

.keyword-list span {
  padding: 11px 15px;

  border: 1px solid #c7c9c7;

  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
}

.section-dark .keyword-list span {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.about-banner {
  width: 100%;

  margin: 58px auto 0;

  overflow: hidden;
}

.about-banner img {
  display: block;

  width: 100%;
  height: auto;
}


/* =========================================================
   COACH
   ========================================================= */

.coach-section {
  position: relative;
}

.coach-section-head {
  margin-bottom: 42px;
}

.coach-preview {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(0, 1fr);

  gap: clamp(50px, 7vw, 100px);

  align-items: center;
}

.coach-photo {
  width: 100%;

  aspect-ratio: 4 / 3;

  overflow: hidden;

  background: #111;
}

.coach-photo img {
  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;
}

.coach-content {
  width: 100%;
  max-width: 520px;
}

.coach-role {
  margin: 0 0 15px;

  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
}

.coach-name {
  margin: 0 0 28px;

  font-size: clamp(38px, 4vw, 64px);
  line-height: 1;

  letter-spacing: -0.05em;
}

.coach-summary {
  margin: 0 0 30px;

  font-size: 18px;
  line-height: 1.7;
}

.coach-career {
  margin-bottom: 36px;

  padding-top: 22px;
}

.coach-career p {
  margin: 0;

  padding: 9px 0;

  font-size: 14px;
}

/* LIGHT COACH */
.section-light .coach-summary {
  color: #333;
}

.section-light .coach-career {
  border-top: 1px solid #d3d3cf;
}

.section-light .coach-career p {
  color: #555c62;
  border-bottom: 1px solid #deded9;
}

/* DARK COACH */
.section-dark .coach-role,
.section-dark .coach-name {
  color: #fff;
}

.section-dark .coach-summary {
  color: #a9afb4;
}

.section-dark .coach-career {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.section-dark .coach-career p {
  color: #a9afb4;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.view-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 46px;

  padding: 0 20px;

  border: 1px solid #111;

  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;

  transition:
          background 0.25s ease,
          color 0.25s ease,
          border-color 0.25s ease;
}

.section-light .view-more {
  color: #111;
  border-color: #111;
}

.section-light .view-more:hover {
  color: #fff;
  background: #111;
}

.section-dark .view-more {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

.section-dark .view-more:hover {
  color: #111;
  background: #fff;
  border-color: #fff;
}


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

.program-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);

  gap: 22px;
}

.program-card {
  overflow: hidden;

  background: #fff;
  color: #111;

  border-radius: 8px;

  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);

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

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

  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.20);
}

.program-image {
  width: 100%;

  aspect-ratio: 16 / 9;

  overflow: hidden;

  background: #222;
}

.program-image img {
  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;

  transition: transform 0.4s ease;
}

.program-card:hover .program-image img {
  transform: scale(1.04);
}

.program-card-body {
  padding: 24px 22px 28px;
}

.program-card .card-no {
  display: block;

  margin-bottom: 8px;

  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;

  color: #8b8f93;
}

.program-card h3 {
  margin: 0 0 14px;

  font-size: 25px;
  line-height: 1.05;

  letter-spacing: -0.04em;
}

.program-card p {
  margin: 0;

  font-size: 14px;
  line-height: 1.65;

  color: #5b6065;
}


/* =========================================================
   PROGRAM MORE
   ========================================================= */

.program-more {
  display: flex;
  justify-content: flex-end;

  margin-top: 42px;
}

.program-more .view-more {
  min-width: 190px;
  min-height: 50px;
}


/* =========================================================
   TRAINING
   ========================================================= */

.simple-title {
  margin: 7px 0 0;

  font-size: clamp(42px, 6vw, 86px);
  line-height: 0.95;

  letter-spacing: -0.055em;
}


/* =========================================================
   TRAINING SLIDER
   ========================================================= */

.training-slider-wrap {
  position: relative;
  width: 100%;
}

.training-slider {
  display: flex;
  gap: 18px;

  width: 100%;

  overflow-x: auto;
  overflow-y: hidden;

  padding: 0 0 4px;

  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  overscroll-behavior-inline: contain;

  scrollbar-width: none;
  -ms-overflow-style: none;

  cursor: grab;
}

.training-slider:active {
  cursor: grabbing;
}

.training-slider::-webkit-scrollbar {
  display: none;
}

.training-slide {
  flex: 0 0 72%;

  min-width: 0;

  margin: 0;

  scroll-snap-align: start;
  scroll-snap-stop: always;

  overflow: hidden;

  background: transparent;
}

.training-slide img {
  display: block;

  width: 100%;

  aspect-ratio: 16 / 9;

  object-fit: cover;

  transition: transform 0.45s ease;
}

.training-slide:hover img {
  transform: scale(1.015);
}

.training-slide figcaption {
  display: flex;
  align-items: center;
  gap: 14px;

  padding: 17px 3px 2px;

  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.training-slide figcaption span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}


/* LIGHT TRAINING */

.section-light .training-slide figcaption {
  color: #111;
}

.section-light .training-slide figcaption span {
  color: rgba(0, 0, 0, 0.42);
}


/* DARK TRAINING */

.section-dark .training-slide figcaption {
  color: #fff;
}

.section-dark .training-slide figcaption span {
  color: rgba(255, 255, 255, 0.45);
}


/* Slider arrows */

.training-arrow {
  position: absolute;
  z-index: 5;

  top: 45%;

  width: 52px;
  height: 52px;

  transform: translateY(-50%);

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

  padding: 0;

  border: 1px solid rgba(255, 255, 255, 0.38);

  background: rgba(5, 14, 22, 0.78);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);

  color: #fff;

  font-size: 20px;
  line-height: 1;

  cursor: pointer;

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

.training-arrow:hover {
  background: #fff;
  color: #111;
  border-color: #fff;
}

.training-arrow:active {
  transform: translateY(-50%) scale(0.96);
}

.training-prev {
  left: 18px;
}

.training-next {
  right: 18px;
}


/* =========================================================
   START CLINIC
   ========================================================= */

.start-clinic-section {
  padding: 140px 6vw;

  color: #fff;

  background:
          linear-gradient(
                  135deg,
                  var(--clinic-start) 0%,
                  var(--clinic-mid) 55%,
                  var(--clinic-end) 100%
          );
}


/* 05 START CLINIC */
.start-clinic-head {
  margin-bottom: 42px;
}

.start-clinic-section .section-no {
  color: rgba(255,255,255,0.55);
}

.start-clinic-section .section-label {
  color: #fff;
}


/* =========================================================
   IMAGE + CONTENT
   ========================================================= */

.start-clinic-preview {
  display: grid;

  grid-template-columns:
    minmax(0, 1.15fr)
    minmax(0, 0.85fr);

  gap: 0;

  min-height: 620px;

  overflow: hidden;

  background: #081521;
}


/* =========================================================
   LEFT IMAGE
   ========================================================= */

.start-clinic-photo {
  position: relative;

  min-height: 620px;

  overflow: hidden;
}

.start-clinic-photo img {
  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;

  /*
    스타트 선수 중심 위치 조정.
    필요하면 50% 50% 값 변경
  */
  object-position: 50% 50%;

  transition: transform 0.6s ease;
}

.start-clinic-preview:hover .start-clinic-photo img {
  transform: scale(1.015);
}


/*
  사진 오른쪽에 살짝 어두운 그라데이션
*/
.start-clinic-photo::after {
  content: "";

  position: absolute;
  inset: 0;

  background:
          linear-gradient(
                  90deg,
                  transparent 60%,
                  rgba(7,19,29,0.45) 100%
          );

  pointer-events: none;
}


/* =========================================================
   RIGHT CONTENT
   ========================================================= */

.start-clinic-content {
  padding:
          58px
          52px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  background:
          linear-gradient(
                  145deg,
                  var(--clinic-mid) 0%,
                  var(--clinic-start) 100%
          );
}


.start-clinic-eyebrow {
  margin: 0 0 20px;

  font-size: 11px;
  font-weight: 800;

  letter-spacing: 2.6px;

  color: var(--clinic-accent);
}


.start-clinic-title {
  margin: 0 0 30px;

  font-size: clamp(48px, 5vw, 76px);
  line-height: 0.88;

  font-weight: 900;
  letter-spacing: -0.055em;

  color: #fff;
}


.start-clinic-summary {
  max-width: 500px;

  margin: 0 0 35px;

  font-size: 16px;
  line-height: 1.8;

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


/* =========================================================
   INFO LIST
   ========================================================= */

.start-clinic-info {
  margin-bottom: 30px;

  border-top:
          1px solid rgba(255,255,255,0.15);
}


.clinic-info-item {
  display: grid;

  grid-template-columns:
    45px
    1fr;

  gap: 14px;

  padding: 16px 0;

  border-bottom:
          1px solid rgba(255,255,255,0.15);
}


.clinic-info-item > span {
  padding-top: 2px;

  font-size: 10px;
  font-weight: 700;

  letter-spacing: 1px;

  color: var(--clinic-accent);
}


.clinic-info-item strong {
  display: block;

  margin-bottom: 3px;

  font-size: 12px;
  font-weight: 800;

  letter-spacing: 1.5px;

  color: #fff;
}


.clinic-info-item p {
  margin: 0;

  font-size: 13px;

  color: rgba(255,255,255,0.60);
}


/* =========================================================
   NOTICE
   ========================================================= */

.start-clinic-notice {
  margin: 0 0 25px;

  font-size: 13px;

  color: rgba(255,255,255,0.70);
}


/* =========================================================
   BUTTON
   ========================================================= */

.start-clinic-section .view-more {
  align-self: flex-start;

  color: #fff;

  border:
          1px solid rgba(255,255,255,0.65);
}

.start-clinic-section .view-more:hover {
  color: #081521;

  background: #fff;
  border-color: #fff;
}


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

@media (max-width: 1000px) {

  .start-clinic-preview {
    grid-template-columns: 1fr;
  }

  .start-clinic-photo {
    min-height: 480px;
  }

  .start-clinic-content {
    padding: 50px 45px;
  }

  .start-clinic-photo::after {
    background:
            linear-gradient(
                    to bottom,
                    transparent 65%,
                    rgba(7,19,29,0.45) 100%
            );
  }

}


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

@media (max-width: 720px) {

  .start-clinic-section {
    padding:
            90px
            20px;
  }


  .start-clinic-head {
    margin-bottom: 28px;
  }


  .start-clinic-preview {
    display: block;

    min-height: 0;
  }


  .start-clinic-photo {
    min-height: 0;

    aspect-ratio: 4 / 3;
  }


  .start-clinic-photo img {
    width: 100%;
    height: 100%;

    object-position: center center;
  }


  .start-clinic-content {
    padding:
            38px
            24px
            42px;
  }


  .start-clinic-title {
    font-size: clamp(
            42px,
            13vw,
            58px
    );
  }


  .start-clinic-summary {
    font-size: 14px;
  }


  .clinic-info-item {
    grid-template-columns:
      35px
      1fr;
  }

}

/* =========================================================
   CONTACT
   ========================================================= */

.contact-section {
  padding: 140px 6vw 0;

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

.contact-section.section-light {
  color: var(--text);
  background: var(--light);
}

.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;

  gap: 8vw;

  align-items: center;

  padding-bottom: 90px;
}

.contact-info {
  padding-bottom: 5px;
}

.contact-info > p {
  max-width: 460px;

  color: #555c62;
}

.contact-links {
  margin-top: 45px;

  border-top: 1px solid rgba(0, 0, 0, 0.16);
}

.contact-links a {
  display: flex;
  justify-content: space-between;

  padding: 21px 4px;

  border-bottom: 1px solid rgba(0, 0, 0, 0.16);

  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;

  color: #111;

  transition:
          padding 0.2s ease,
          opacity 0.2s ease;
}

.contact-links a:hover {
  padding-left: 10px;

  opacity: 0.65;
}


/* =========================================================
   CONTACT MAP
   ========================================================= */

#ndr-map {
  width: 100%;
  height: 380px;

  margin-top: 28px;

  background: #d8d8d4;
}

.location-info {
  padding-top: 18px;
}

.location-info strong {
  display: block;

  margin-bottom: 8px;

  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;

  color: #111;
}

.location-link {
  display: inline-block;

  padding-bottom: 3px;

  border-bottom: 1px solid rgba(0, 0, 0, 0.45);

  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;

  color: #111;
}


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

.footer {
  min-height: 120px;

  margin:
          90px
          -6vw
          0;

  padding:
          32px
          6vw;

  background:
          linear-gradient(
                  135deg,
                  #04080c 0%,
                  #071019 100%
          );

  border-top: 1px solid rgba(255, 255, 255, 0.15);

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

  align-items: center;

  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.4px;

  color: rgba(255, 255, 255, 0.48);
}

.footer-logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;

  color: #fff;
}

.footer-slogan {
  text-align: center;

  color: rgba(255, 255, 255, 0.70);
}

.footer > div:last-child {
  text-align: right;
}


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

@media (max-width: 1000px) {

  .header-inner {
    padding: 0 28px;
  }

  .section,
  .contact-section {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .hero-content {
    width: min(600px, 52%);
  }

  .hero h1 {
    font-size: clamp(50px, 7.5vw, 90px);
  }

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

    column-gap: 0;
    row-gap: 42px;
  }

  .section-body {
    padding-top: 0;
  }

  .about-banner {
    margin-top: 48px;
  }

  .coach-preview {
    grid-template-columns: 1fr;

    gap: 40px;
  }

  .coach-content {
    max-width: 100%;
  }

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

    gap: 55px;

    align-items: start;
  }

  .footer {
    margin-left: -5vw;
    margin-right: -5vw;

    padding-left: 5vw;
    padding-right: 5vw;
  }
}

/* START CLINIC - OPEN CLASS 강조 */

/* OPEN CLASS 강조 */
.clinic-info-item:nth-child(4) {
  position: relative;

  margin-top: 8px;
  padding: 18px 0;

  border-bottom: 0;
}

/* 내용 위치는 건드리지 않고 박스만 좌우 확장 */
.clinic-info-item:nth-child(4)::before {
  content: "";

  position: absolute;
  z-index: 0;

  top: 0;
  bottom: 0;
  left: -16px;
  right: -16px;

  border: 1px solid rgba(100, 191, 232, 0.45);

  background:
          linear-gradient(
                  135deg,
                  rgba(100, 191, 232, 0.13),
                  rgba(100, 191, 232, 0.04)
          );
}

/* 글자가 배경 위로 올라오도록 */
.clinic-info-item:nth-child(4) > * {
  position: relative;
  z-index: 1;
}

.clinic-info-item:nth-child(4) > span {
  color: #64bfe8;
}

.clinic-info-item:nth-child(4) strong {
  color: #fff;
  font-size: 13px;
}

.clinic-info-item:nth-child(4) p {
  color: rgba(255,255,255,0.88);
  font-weight: 600;
}

.clinic-info-item:nth-child(4) > span {
  color: #64bfe8;
}

.clinic-info-item:nth-child(4) strong {
  color: #ffffff;
  font-size: 13px;
}

.clinic-info-item:nth-child(4) p {
  color: rgba(255,255,255,0.88);
  font-weight: 600;
}

.open-badge {
  display: inline-block;

  margin-left: 8px;
  padding: 3px 6px;

  border-radius: 2px;

  background: #64bfe8;
  color: #07131d;

  font-size: 8px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 1px;

  vertical-align: 2px;
}

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

@media (max-width: 720px) {

  :root {
    --header-height: 64px;
  }

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

  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header-inner {
    padding: 0 20px;
  }

  .logo {
    position: relative;
    z-index: 1002;
  }

  .logo-sub {
    display: none;
  }


  /* ---------- MOBILE MENU BUTTON ---------- */

  .menu-toggle {
    display: block;

    position: relative;
    z-index: 1002;

    width: 40px;
    height: 40px;

    padding: 7px;

    border: 0;
    background: transparent;

    cursor: pointer;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }


  /* ---------- FULL SCREEN MOBILE MENU ---------- */

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;

    width: 100vw;
    height: 100dvh;
    min-height: 100vh;

    padding:
            120px
            32px
            60px;

    display: flex;
    flex-direction: column;

    justify-content: flex-start;
    align-items: flex-start;

    gap: 22px;

    background: #080a0c;

    overflow-y: auto;

    transform: translateX(100%);

    transition: transform 0.3s ease;

    z-index: 1001;
  }

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

  .main-nav a {
    display: block;

    width: 100%;

    padding: 6px 0;

    font-size: 34px;
    line-height: 1.05;

    font-weight: 800;
    letter-spacing: -0.04em;

    color: #fff;

    opacity: 0.45;

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

  .main-nav a:hover,
  .main-nav a:active {
    opacity: 1;

    transform: translateX(6px);
  }

  .main-nav a::after {
    display: none;
  }


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

  .hero {
    min-height: calc(100svh - var(--header-height));

    padding:
            calc(var(--header-height) + 35px)
            22px
            38px;

    align-items: flex-end;

    background:
            linear-gradient(
                    to bottom,
                    rgba(0, 0, 0, 0.02) 0%,
                    rgba(0, 0, 0, 0.05) 38%,
                    rgba(0, 0, 0, 0.32) 62%,
                    rgba(0, 0, 0, 0.82) 100%
            ),
            url('/images/hero.jpg') 40% center / cover no-repeat;
  }

  .hero-content {
    width: 78%;
    max-width: none;

    margin-left: 0;
    margin-right: auto;

    padding-bottom: 28px;

    text-align: left;
  }

  .eyebrow {
    margin-bottom: 14px;

    font-size: 9px;
    line-height: 1.4;

    letter-spacing: 2.5px;
  }

  .hero h1 {
    margin: 0;

    font-size: clamp(38px, 10.8vw, 50px);
    line-height: 0.90;

    letter-spacing: -0.055em;
  }

  .mobile-only {
    display: block;
  }

  .hero-desc {
    width: 100%;
    max-width: 280px;

    margin: 22px 0 20px;

    font-size: 13px;
    line-height: 1.75;

    color: rgba(255, 255, 255, 0.90);
  }

  .btn {
    min-height: 43px;

    padding: 0 17px;

    font-size: 10px;
  }

  .hero-mark {
    right: 20px;
    bottom: 26px;

    text-align: right;
  }

  .hero-mark span {
    font-size: 8px;
  }

  .hero-mark strong {
    font-size: 25px;
  }


  /* ---------- SECTIONS MOBILE ---------- */

  .section {
    padding: 90px 20px;
  }

  .contact-section {
    padding:
            90px
            20px
            0;
  }

  .section-heading h2,
  .contact-inner h2 {
    font-size: clamp(50px, 16vw, 78px);
  }

  .section-body .lead {
    font-size: 25px;
  }

  .section-top {
    display: block;

    margin-bottom: 38px;
  }

  .section-intro {
    margin-top: 30px;
  }


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

  .about-banner {
    margin-top: 36px;
  }


  /* ---------- COACH MOBILE ---------- */

  .coach-section-head {
    margin-bottom: 28px;
  }

  .coach-preview {
    gap: 30px;
  }

  .coach-photo {
    aspect-ratio: 4 / 3;
  }

  .coach-name {
    font-size: 38px;
  }

  .coach-summary {
    font-size: 15px;
  }


  /* ---------- PROGRAM MOBILE ---------- */

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

    gap: 18px;
  }

  .program-card {
    border-radius: 6px;
  }

  .program-card-body {
    padding: 21px 20px 24px;
  }

  .program-card h3 {
    font-size: 24px;
  }
  /* ---------- CONTACT MOBILE ---------- */

  .training-slide {
    flex-basis: 82%;
  }

  .training-arrow {
    width: 48px;
    height: 48px;
  }


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

    gap: 48px;

    align-items: start;

    padding-bottom: 70px;
  }

  .contact-links {
    margin-top: 32px;
  }

  #ndr-map {
    height: 280px;

    margin-top: 28px;
  }


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

  .footer {
    min-height: auto;

    margin:
            60px
            -20px
            0;

    padding:
            30px
            20px;

    grid-template-columns: 1fr;

    gap: 12px;
  }

  .footer-slogan,
  .footer > div:last-child {
    text-align: left;
  }
}


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

@media (max-width: 420px) {

  .hero {
    background-position: 44% center;
  }

  .hero-content {
    width: 82%;
  }

  .hero h1 {
    font-size: clamp(36px, 10.5vw, 45px);
  }

  .section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .contact-section {
    padding-top: 78px;
  }

  .program-card-body {
    padding: 20px 18px 22px;
  }

  .coach-name {
    font-size: 34px;
  }
}