/* =========================================================
   SpeedAssessment — Design system
   Ink & Electric Blue · Kadran (dial) motif
   ========================================================= */

:root{
  --ink:        #0D1117;
  --ink-soft:   #161b23;
  --ink-mute:   #1f2530;
  --blue:       #0B5FFF;
  --blue-soft:  #3D82FF;
  --teal:       #00C4B8;
  --grey-cool:  #6B7684;
  --grey-line:  #E6E9ED;
  --paper:      #F7F8FA;
  --white:      #FFFFFF;

  --font-display: 'Inter Tight', Inter, -apple-system, sans-serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --wrap: 1180px;
  --gutter: clamp(20px, 5vw, 64px);

  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3{ font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.02em; }
p{ margin: 0; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

/* ---------- reveal-on-scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.approach-steps .approach-step:nth-child(2){ transition-delay: .08s; }
.approach-steps .approach-step:nth-child(3){ transition-delay: .16s; }

/* ---------- eyebrow / labels ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: '';
  width: 18px; height: 1px;
  background: var(--blue);
  display: inline-block;
}

.section-title{
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  max-width: 16ch;
}
.section-lede{
  margin-top: 18px;
  max-width: 56ch;
  font-size: clamp(16px, 1.6vw, 18.5px);
  color: var(--grey-cool);
}
.body-text{
  margin-top: 18px;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.list-heading{
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--grey-cool);
}
.pillar-copy > .btn{
  margin-top: 34px;
}
.check-list{ margin-top: 14px; display: grid; gap: 10px; }
.check-list li{
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  font-weight: 500;
}
.check-list li::before{
  content: '';
  position: absolute; left: 0; top: 7px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--blue);
  color: var(--white);
  position: relative;
  overflow: hidden;
  z-index: 0;
}
.btn-primary::after{
  content:'';
  position:absolute; inset:0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
  z-index: -1;
}
.btn-primary:hover::after{ transform: scaleX(1); }
.btn-primary:hover{ transform: translateY(-2px); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--white); transform: translateY(-2px); }

.btn-sm{ padding: 10px 20px; font-size: 13.5px; }
.btn-lg{ padding: 19px 36px; font-size: 16px; }

.hero-actions, .header-cta{ display:flex; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  padding: 13px 0;
  background: rgba(247,248,250,.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--grey-line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo{ height: 22px; width: auto; }

.main-nav ul{ display: flex; gap: 30px; }
.main-nav a{
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after{
  content:'';
  position: absolute; left:0; right:0; bottom:-2px;
  height: 1px; background: var(--blue);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.main-nav a:hover::after,
.main-nav a.is-active::after{ transform: scaleX(1); }
.main-nav a.is-active{ color: var(--blue); }

.header-cta{ align-items: center; gap: 18px; }
.lang-switch{
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.lang-switch button{
  border: none;
  background: none;
  padding: 4px 6px;
  color: var(--grey-cool);
  cursor: pointer;
  letter-spacing: .04em;
  transition: color .25s;
}
.lang-switch button.is-active{ color: var(--ink); font-weight: 600; }
.lang-switch button:not(.is-active):hover{ color: var(--blue); }
.lang-switch button:first-child{ border-right: 1px solid var(--grey-line); padding-right: 8px; }

.nav-toggle{
  display: none;
  width: 40px; height: 40px;
  border: none; background: none; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span{
  width: 22px; height: 2px; background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

/* =========================================================
   Background field (glows + dot grid) — shared hero/closing
   ========================================================= */
.hero-field{
  position: absolute; inset: 0;
  overflow: hidden;
  z-index: 0;
}
.dot-grid{
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--grey-line) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 90%);
  opacity: .8;
}
.glow{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  animation: drift 18s ease-in-out infinite alternate;
}
.glow-a{ width: 620px; height: 620px; background: var(--blue-soft); top: -220px; left: -160px; }
.glow-b{ width: 480px; height: 480px; background: var(--teal); bottom: -200px; right: -140px; animation-delay: -6s; }
@keyframes drift{
  0%{ transform: translate(0,0) scale(1); }
  100%{ transform: translate(40px,30px) scale(1.08); }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative;
  padding: clamp(140px,20vh,220px) 0 90px;
  overflow: hidden;
}
.hero-inner{ position: relative; z-index: 1; }
.hero-top{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: center;
}
.hero-visual{
  margin-top: -34px;
}
.hero-visual img{
  width: 110%;
  max-width: none;
  height: auto;
  display: block;
  margin-left: auto;
  border-radius: 18px;
}
.hero-title{
  font-size: clamp(30px, 4.1vw, 46px);
  line-height: 1.16;
  max-width: none;
}
.hero-title .accent{ color: var(--blue); }
.hero-lede{
  margin-top: 22px;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--grey-cool);
}
.hero-actions{ margin-top: 30px; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn{ padding-left: 18px; padding-right: 18px; font-size: 13.5px; white-space: nowrap; }

/* --- Dial: 5 equally-weighted pillars as one instrument --- */
.dial{
  position: relative;
  margin-top: 90px;
  padding-top: 34px;
}
.dial-arc{ position: absolute; top: 0; left: 0; width: 100%; height: 2px; overflow: visible; }
.dial-arc-line{
  stroke: var(--grey-line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.dial-marks{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.dial-marks li{
  position: relative;
  border-left: 1px solid var(--grey-line);
  transition: opacity .3s var(--ease);
}
.dial-marks li::before{
  content:'';
  position: absolute; top: -1px; left: -1px;
  width: 1px; height: 10px;
  background: var(--ink);
}
.dial-marks a{
  display: block;
  padding-top: 22px;
  padding-left: 18px;
  color: inherit;
  text-decoration: none;
}
.dial-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  margin-bottom: 6px;
}
.dial-label{
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(14px, 1.6vw, 18px);
  transition: color .25s var(--ease);
}
.dial-marks a:hover .dial-label{ color: var(--blue); }
.dial-needle{
  position: absolute;
  top: -6px; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(11,95,255,.15);
  transition: left 1.1s var(--ease);
}

/* =========================================================
   Marka Yaklaşımı
   ========================================================= */
.approach{ padding: 120px 0; background: var(--white); }
.approach-steps{
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.approach-step{
  border-top: 1px solid var(--ink);
  padding-top: 24px;
  position: relative;
}
.approach-icon{ width: 40px; height: 40px; color: var(--blue); }
.approach-num{
  position: absolute; top: 24px; right: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grey-cool);
}
.approach-step h3{ margin-top: 20px; font-size: 22px; }
.approach-step p{ margin-top: 10px; color: var(--grey-cool); font-size: 15px; }

/* =========================================================
   Pillar sections (Assessment / Academy / Executive / Advisory)
   ========================================================= */
.pillar{ padding: 110px 0; position: relative; }
.pillar-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 90px);
  align-items: center;
}
.pillar-grid--reverse .pillar-copy{ order: 2; }
.pillar-grid--reverse .pillar-visual{ order: 1; }

.pillar-assessment{ background: var(--paper); }
.pillar-academy{ background: var(--white); }
.pillar-executive{ background: var(--ink); color: var(--white); }
.pillar-executive .section-lede{ color: #9aa6b8; }
.pillar-executive .body-text{ color: #c7ceda; }
.pillar-executive .eyebrow{ color: var(--blue-soft); }
.pillar-executive .eyebrow::before{ background: var(--blue-soft); }
.pillar-executive .list-heading{ color: #8891a0; }
.pillar-executive .check-list li{ color: var(--white); }
.pillar-executive .btn-primary{ background: var(--blue-soft); }
.pillar-advisory{ background: var(--paper); }

/* ---- photo frame (image component) ---- */
.photo-frame{
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  background: var(--ink-mute);
}
.photo-frame img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}

/* ---- visual slot (image placeholder component) ---- */
.visual-slot{
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 18px;
  border: 1.5px dashed var(--grey-line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  transition: border-color .3s var(--ease);
}
.visual-slot:hover{ border-color: var(--blue); }
.visual-slot__pattern{
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(11,95,255,.06) 25%, transparent 25%) 0 0/24px 24px,
    linear-gradient(135deg, transparent 75%, rgba(11,95,255,.06) 75%) 0 0/24px 24px;
}
.visual-slot__label{
  position: relative;
  margin: 16px;
  padding: 8px 12px;
  background: rgba(13,17,23,.85);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .02em;
  border-radius: 8px;
  line-height: 1.4;
  text-align: center;
}
.photo-frame:hover img{ transform: scale(1.045); }

/* =========================================================
   Slider dots
   ========================================================= */
.hero-slider__dots{
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}
.hero-slider__dots button{
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: var(--grey-line);
  cursor: pointer;
  transition: background .25s, transform .25s;
}
.hero-slider__dots button.is-active{
  background: var(--blue);
  transform: scale(1.2);
}

/* =========================================================
   Hero slider — whole hero (copy + CTAs + visual) rotates as
   one unit. Uses a CSS grid stack (all slides in the same cell)
   so the track auto-sizes to the tallest slide instead of a
   fixed aspect-ratio box — slide copy length varies.
   ========================================================= */
.hero-slider{ position: relative; }
.hero-slider__track{ display: grid; }
.hero-slider__slide{
  grid-row: 1;
  grid-column: 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity .6s var(--ease);
}
.hero-slider__slide.is-active{
  opacity: 1;
  visibility: visible;
}

/* =========================================================
   About
   ========================================================= */
.about{ padding: 120px 0; background: var(--paper); }
.about-intro{
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: clamp(32px, 6vw, 90px);
  align-items: center;
}
.about-intro__copy .body-text:first-of-type{ margin-top: 18px; }
.about-intro__mark{
  display: flex;
  justify-content: center;
  opacity: .9;
}
.about-intro__mark img{
  width: 100%;
  max-width: 220px;
  height: auto;
}

.team-grid{
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.team-card{
  background: var(--white);
  border-radius: 18px;
  padding: clamp(24px, 3vw, 32px);
}
.team-card__head{
  display: flex;
  align-items: center;
  gap: 16px;
}
.team-card__photo{
  width: 84px;
  height: 84px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  flex-shrink: 0;
}
.team-card h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
}
.team-role{
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
}
.team-card__bio{
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey-cool);
}
.team-card__bio a{ color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.team-card__bio a:hover{ color: var(--ink); }

/* =========================================================
   Closing CTA
   ========================================================= */
.closing{
  position: relative;
  padding: 130px 0;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  text-align: center;
}
.closing .eyebrow{ color: var(--blue-soft); justify-content: center; }
.closing .eyebrow::before{ background: var(--blue-soft); }
.closing-inner{ position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.closing-title{
  font-size: clamp(30px, 5vw, 48px);
  max-width: 18ch;
  line-height: 1.1;
}
.closing .section-lede{ color: #b7c0cf; text-align: center; margin-top: 20px; }
.closing .btn-lg{ margin-top: 36px; }

/* =========================================================
   Broşür banner
   ========================================================= */
.brochure-banner{
  position: relative;
  min-height: clamp(320px, 46vw, 460px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.brochure-banner__img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.brochure-banner__scrim{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,.5) 0%, rgba(13,17,23,.62) 100%);
}
.brochure-banner__inner{
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.brochure-banner .eyebrow{ color: var(--white); justify-content: center; }
.brochure-banner .eyebrow::before{ background: var(--white); }
.brochure-banner__inner .btn{ margin-top: 20px; }

/* =========================================================
   Modal: broşür formu
   ========================================================= */
.modal-overlay{
  position: fixed; inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(13,17,23,.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
.modal-overlay[hidden]{ display: flex; }
.modal-overlay.is-open{ opacity: 1; visibility: visible; }
.modal{
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--white);
  border-radius: 20px;
  padding: 40px 32px;
  transform: translateY(16px) scale(.98);
  transition: transform .35s var(--ease);
}
.modal-overlay.is-open .modal{ transform: translateY(0) scale(1); }
.modal-close{
  position: absolute; top: 16px; right: 16px;
  width: 34px; height: 34px;
  border: none; background: var(--paper);
  border-radius: 50%;
  font-size: 20px; line-height: 1;
  color: var(--grey-cool);
  cursor: pointer;
  transition: background .25s, color .25s;
}
.modal-close:hover{ background: var(--grey-line); color: var(--ink); }
.modal-title{ margin-top: 8px; font-size: 22px; line-height: 1.25; max-width: none; }

.modal-form{ margin-top: 26px; display: grid; gap: 22px; }
.form-field{ display: grid; gap: 8px; }
.form-field label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grey-cool);
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"]{
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1.5px solid var(--grey-line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  transition: border-color .25s;
}
.form-field input:focus{
  outline: none;
  border-color: var(--blue);
}
.form-checkbox{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-soft);
  cursor: pointer;
}
.form-checkbox input{
  margin-top: 3px;
  width: 16px; height: 16px;
  accent-color: var(--blue);
  flex-shrink: 0;
}
.form-field--captcha{ margin-top: 10px; }
.captcha-row{
  display: flex;
  align-items: center;
  gap: 12px;
}
.captcha-code{
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 2px;
  padding: 10px 14px;
  background: var(--ink);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--white);
  user-select: none;
}
.captcha-code span{ display: inline-block; }
.captcha-refresh{
  width: 40px; height: 40px;
  flex-shrink: 0;
  border: 1.5px solid var(--grey-line);
  background: var(--white);
  border-radius: 10px;
  font-size: 17px;
  color: var(--grey-cool);
  cursor: pointer;
  transition: border-color .25s, color .25s, transform .3s var(--ease);
}
.captcha-refresh:hover{ border-color: var(--blue); color: var(--blue); }
.captcha-refresh:active{ transform: rotate(120deg); }
#bf-captcha{ margin-top: 10px; }
.form-error{
  font-size: 13.5px;
  color: #d1293d;
  background: #fdecee;
  border-radius: 8px;
  padding: 10px 12px;
}
.form-submit{ width: 100%; justify-content: center; margin-top: 4px; }
.form-success{
  margin-top: 26px;
  padding: 22px;
  background: var(--paper);
  border-radius: 12px;
  text-align: center;
  font-size: 15px;
  color: var(--ink-soft);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--ink); color: #c7ceda; padding: 70px 0 0; }
.footer-inner{
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-mark{ height: 28px; width: auto; margin-bottom: 22px; }
.footer-brand p{ max-width: 34ch; font-size: 14.5px; color: #96a1b3; }
.footer-heading{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #6f7a8c;
  margin-bottom: 18px;
}
.footer-col ul{ display: grid; gap: 12px; }
.footer-col a{ font-size: 14.5px; color: #c7ceda; transition: color .25s; }
.footer-col a:hover{ color: var(--blue-soft); }
.footer-address{ font-size: 14.5px; color: #96a1b3; line-height: 1.5; }
.footer-credit a{ color: inherit; text-decoration: underline; text-underline-offset: 2px; transition: color .25s; }
.footer-credit a:hover{ color: var(--blue-soft); }
.footer-bottom{
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 26px 0;
  font-size: 13px;
  color: #6f7a8c;
}

/* =========================================================
   To top
   ========================================================= */
.to-top{
  position: fixed; right: 22px; bottom: 22px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--grey-line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, visibility .3s;
  z-index: 90;
}
.to-top.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover{ border-color: var(--blue); color: var(--blue); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .main-nav{
    position: fixed; inset: 0 0 auto 0;
    top: 64px;
    background: var(--paper);
    padding: 20px var(--gutter) 30px;
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    border-bottom: 1px solid var(--grey-line);
  }
  .main-nav.is-open{ opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav ul{ flex-direction: column; gap: 4px; }
  .main-nav a{ display: block; padding: 12px 0; font-size: 16px; }
  .header-cta{ display: none; }
  .nav-toggle{ display: flex; }

  .hero-top{ grid-template-columns: 1fr; }
  .hero-visual{ max-width: 340px; margin: 0 auto; }
  .hero-visual img{ width: 100%; }

  .approach-steps{ grid-template-columns: 1fr; gap: 36px; }
  .pillar-grid, .pillar-grid--reverse{
    grid-template-columns: 1fr;
  }
  .pillar-grid--reverse .pillar-copy,
  .pillar-grid--reverse .pillar-visual{ order: 0; }
  .photo-frame{ max-width: 480px; }
  .team-grid{ grid-template-columns: 1fr; gap: 20px; }
  .about-intro{ grid-template-columns: 1fr; }
  .about-intro__mark{ order: -1; }
  .about-intro__mark img{ max-width: 130px; }
}
@media (max-width: 620px){
  .hero-visual{ display: none; }
  .hero-title{ font-size: clamp(34px, 9vw, 44px); }

  .dial-marks{ grid-template-columns: 1fr; }
  .dial-marks li{ border-left: none; border-top: 1px solid var(--grey-line); }
  .dial-marks a{ padding: 18px 0 0; }
  .dial-marks li::before{ display: none; }
  .dial-needle{ display: none; }
  .footer-inner{ grid-template-columns: 1fr; gap: 34px; }
  .modal{ padding: 32px 22px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  .reveal{ opacity: 1; transform: none; }
}