/* ==========================================================================
   สุรีภรณ์ พันธุ์ไม้ — Design tokens & base
   ========================================================================== */
:root{
  --deep:      #1F4B4A;   /* น้ำเงินเข้มอมเขียว (teal-navy) */
  --deep-2:    #163837;
  --blue:      #3E6B8A;   /* น้ำเงินสระน้ำ */
  --green:     #5C8A52;   /* เขียวใบไม้ */
  --green-l:   #9CBB8B;   /* เขียวอ่อน */
  --cream:     #F6F1E4;   /* ครีม */
  --cream-2:   #EFE7D3;
  --white:     #FFFFFF;
  --ink:       #22301F;   /* ตัวอักษรเข้ม */
  --ink-soft:  #4C5A46;

  --font-head: "Prompt", "Sarabun", sans-serif;
  --font-body: "Sarabun", "Prompt", sans-serif;

  --radius-organic: 62% 38% 45% 55% / 55% 40% 60% 45%;
  --shadow-soft: 0 18px 40px -18px rgba(22, 56, 55, .35);
  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.75;
  font-size: 16.5px;
}

h1,h2,h3,h4{
  font-family: var(--font-head);
  color: var(--deep);
  line-height: 1.3;
  margin: 0 0 .6em;
  font-weight: 600;
}
h1{ font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2{ font-size: clamp(1.55rem, 3vw, 2.2rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1.1em; max-width: 68ch; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
ul{ padding-left: 1.2em; }
li{ margin-bottom: .5em; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section{ padding: 88px 0; }
.section--tight{ padding: 56px 0; }
.section--deep{ background: var(--deep); color: var(--cream); }
.section--deep h2, .section--deep h3{ color: var(--white); }
.section--cream2{ background: var(--cream-2); }
.section--white{ background: var(--white); }

.eyebrow-none{ display:none; } /* explicitly avoiding generic eyebrow labels */

.kicker{
  color: var(--blue);
  font-weight: 600;
  font-size: .95rem;
  display:block;
  margin-bottom:.35em;
}

.lede{
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* Buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--green); color: var(--white); }
.btn--primary:hover{ background: var(--deep); }
.btn--outline{ background: transparent; border-color: var(--white); color: var(--white); }
.btn--outline:hover{ background: var(--white); color: var(--deep); }
.btn--outline-dark{ background: transparent; border-color: var(--deep); color: var(--deep); }
.btn--outline-dark:hover{ background: var(--deep); color: var(--white); }
.btn--block{ width:100%; justify-content:center; }

/* Header ---------------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,241,228,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(31,75,74,.1);
}
.site-header__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family: var(--font-head);
}
.brand__mark{
  width:44px; height:44px;
  border-radius: var(--radius-organic);
  background: linear-gradient(145deg, var(--green), var(--deep));
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  color:var(--white); font-weight:700; font-size:1.1rem;
}
.brand__text{ line-height:1.2; }
.brand__name{ font-weight:700; color:var(--deep); font-size:1.05rem; display:block; }
.brand__sub{ font-size:.78rem; color:var(--ink-soft); }

.nav{
  display:flex;
  align-items:center;
  gap: 6px;
}
.nav a{
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 500;
  color: var(--ink);
  transition: background .15s ease, color .15s ease;
}
.nav a:hover{ background: var(--cream-2); color: var(--deep); }
.nav a.is-active{ background: var(--deep); color: var(--white); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.header-phone{
  display:flex; align-items:center; gap:8px;
  font-family: var(--font-head); font-weight:600; color:var(--deep);
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none; border:none; cursor:pointer;
  padding:8px;
}
.nav-toggle span{ width:26px; height:3px; background:var(--deep); border-radius:2px; }

/* Hero -------------------------------------------------------------------*/
.hero{
  padding: 56px 0 40px;
  overflow: hidden;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items:center;
}
.hero__title{ margin-bottom:.4em; }
.hero__title em{
  font-style: normal;
  color: var(--green);
}
.hero__actions{ display:flex; gap:16px; margin-top: 28px; flex-wrap:wrap; }
.hero__stats{
  display:flex;
  gap: 32px;
  margin-top: 44px;
  flex-wrap:wrap;
}
.hero__stat b{
  display:block;
  font-family: var(--font-head);
  font-size:1.8rem;
  color:var(--deep);
}
.hero__stat span{ color:var(--ink-soft); font-size:.92rem; }

.hero__media{ position:relative; }
.hero__media img{
  width:100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-organic);
  box-shadow: var(--shadow-soft);
}
.hero__media-tag{
  position:absolute;
  bottom: -22px;
  left: -22px;
  background: var(--white);
  padding: 16px 20px;
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  display:flex;
  gap:12px;
  align-items:center;
  max-width: 260px;
}
.hero__media-tag .dot{
  width:38px; height:38px; border-radius:50%;
  background: var(--green-l);
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color: var(--deep-2); font-weight:700;
}

/* Wave / organic divider ------------------------------------------------ */
.divider{ display:block; width:100%; line-height:0; }
.divider svg{ width:100%; height:60px; display:block; }

/* Logo strip -------------------------------------------------------------*/
.strip{
  display:flex;
  flex-wrap:wrap;
  gap: 10px 28px;
  justify-content:center;
  align-items:center;
  padding: 20px 0;
}
.strip span{
  font-family: var(--font-head);
  font-weight:600;
  color: var(--deep);
  opacity:.75;
  font-size:.95rem;
}

/* Service cards ---------------------------------------------------------*/
.grid{ display:grid; gap: 28px; }
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }
.grid--4{ grid-template-columns: repeat(4, 1fr); }

.service-card{
  background: var(--white);
  border-radius: 22px;
  overflow:hidden;
  box-shadow: 0 10px 26px -16px rgba(22,56,55,.28);
  display:flex;
  flex-direction:column;
}
.service-card__img{ height: 190px; overflow:hidden; }
.service-card__img img{ width:100%; height:100%; object-fit:cover; }
.service-card__body{ padding: 24px; flex:1; display:flex; flex-direction:column; }
.service-card__body h3{ margin-bottom:.4em; }
.service-card__body p{ font-size:.98rem; color:var(--ink-soft); flex:1; }
.service-card__tag{
  display:inline-block;
  font-size: .8rem;
  font-weight:600;
  color: var(--blue);
  margin-bottom: 10px;
}

/* Process steps ---------------------------------------------------------*/
.steps{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step{
  position:relative;
  padding: 28px 22px;
  background: var(--white);
  border-radius: 18px;
  border: 1px solid rgba(31,75,74,.08);
}
.step__num{
  font-family: var(--font-head);
  font-weight:700;
  font-size: 1.6rem;
  color: var(--green-l);
  display:block;
  margin-bottom: 10px;
}

/* Feature list with check icons ------------------------------------------*/
.check-list{ list-style:none; padding:0; }
.check-list li{
  display:flex;
  gap: 12px;
  align-items:flex-start;
}
.check-list li::before{
  content: "";
  flex-shrink:0;
  width: 22px; height:22px;
  margin-top: 3px;
  border-radius:50%;
  background: var(--green);
  background-image: linear-gradient(135deg, var(--green), var(--deep));
}

/* Split section ------------------------------------------------------- */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:center;
}
.split img{
  border-radius: 26px;
  width:100%;
  height: 420px;
  object-fit:cover;
  box-shadow: var(--shadow-soft);
}
.split.reverse .split__media{ order:2; }

/* Testimonial -------------------------------------------------------------*/
.testimonial{
  background: var(--cream-2);
  border-radius: 24px;
  padding: 40px;
  position:relative;
}
.testimonial p{ font-size:1.1rem; color: var(--deep-2); max-width:none; }
.testimonial__who{ display:flex; align-items:center; gap:14px; margin-top:20px; }
.testimonial__avatar{
  width:52px;height:52px;border-radius:50%;
  background: var(--green-l);
  display:flex;align-items:center;justify-content:center;
  font-family: var(--font-head); font-weight:700; color:var(--deep-2);
}

/* CTA band ---------------------------------------------------------------*/
.cta-band{
  background: linear-gradient(120deg, var(--deep), var(--deep-2));
  color: var(--white);
  border-radius: 30px;
  padding: 56px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 30px;
  flex-wrap:wrap;
}
.cta-band h2{ color:var(--white); margin-bottom:.3em; }
.cta-band p{ color: rgba(255,255,255,.82); margin-bottom:0; }

/* Contact --------------------------------------------------------------- */
.contact-grid{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
}
.info-card{
  background: var(--white);
  border-radius: 20px;
  padding: 26px;
  display:flex;
  gap:16px;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px -18px rgba(22,56,55,.3);
}
.info-card__icon{
  width:46px;height:46px;border-radius:14px;
  background: var(--cream-2);
  color: var(--deep);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  font-size:1.3rem;
}
.form{
  background: var(--white);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow-soft);
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field{ margin-bottom: 18px; }
.field label{ display:block; font-weight:600; margin-bottom:6px; color: var(--deep-2); font-size:.95rem; }
.field input, .field select, .field textarea{
  width:100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1.5px solid #DCD3BC;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--cream);
  color: var(--ink);
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 3px solid var(--green-l);
  outline-offset: 1px;
  border-color: var(--green);
}
.form-note{ font-size:.85rem; color: var(--ink-soft); margin-top:10px; }
.form-success{
  display:none;
  background: var(--cream-2);
  border-left: 4px solid var(--green);
  padding: 16px 18px;
  border-radius: 12px;
  margin-top: 16px;
}
.form-success.is-visible{ display:block; }

.map-embed{
  border-radius: 20px;
  overflow:hidden;
  box-shadow: var(--shadow-soft);
  margin-top: 24px;
  height: 320px;
}
.map-embed iframe{ width:100%; height:100%; border:0; }

/* Value / about page ------------------------------------------------------*/
.value-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.value-card{
  padding: 26px;
  border-radius:20px;
  background: var(--white);
  border: 1px solid rgba(31,75,74,.08);
}
.value-card h3{ font-size:1.1rem; }

.timeline{ border-left: 3px solid var(--green-l); padding-left: 28px; margin-left: 6px; }
.timeline-item{ position:relative; margin-bottom: 30px; }
.timeline-item::before{
  content:"";
  position:absolute; left:-34px; top:4px;
  width:14px;height:14px;border-radius:50%;
  background:var(--green); border: 3px solid var(--cream);
}
.timeline-item h4{ margin-bottom:.2em; color:var(--deep-2); }
.timeline-item span{ color:var(--blue); font-weight:600; font-size:.9rem; }

/* Policy page -------------------------------------------------------------*/
.policy{ max-width: 860px; }
.policy h2{ margin-top: 1.4em; }
.policy ol, .policy ul{ color: var(--ink-soft); }
.policy-toc{
  background: var(--white);
  border-radius: 18px;
  padding: 22px 26px;
  margin-bottom: 40px;
}
.policy-toc a{ color: var(--blue); font-weight:600; }
.policy-toc li{ margin-bottom:8px; }

/* Footer -------------------------------------------------------------*/
.site-footer{
  background: var(--deep-2);
  color: rgba(255,255,255,.85);
  padding: 64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}
.footer-grid h4{ color: var(--white); font-size:1rem; margin-bottom: 16px; }
.footer-grid a{ display:block; color: rgba(255,255,255,.75); margin-bottom:10px; }
.footer-grid a:hover{ color: var(--green-l); }
.footer-brand p{ color: rgba(255,255,255,.7); font-size:.92rem; }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 22px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 10px;
  font-size:.85rem;
  color: rgba(255,255,255,.6);
}

/* Utilities ---------------------------------------------------------------*/
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }
.mx-auto{ margin-left:auto; margin-right:auto; }
.mt-0{ margin-top:0; }
.badge{
  display:inline-block;
  background: var(--cream-2);
  color: var(--deep);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight:600;
  margin-bottom: 16px;
}
.page-hero{
  padding: 64px 0 50px;
  background: var(--cream-2);
}
.page-hero img{
  border-radius: 26px;
  height: 320px;
  width:100%;
  object-fit:cover;
  margin-top: 32px;
  box-shadow: var(--shadow-soft);
}
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--deep); color:var(--white); padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus{ left: 16px; top: 16px; z-index: 999; }

/* Responsive ---------------------------------------------------------------*/
@media (max-width: 980px){
  .hero__grid, .split, .contact-grid{ grid-template-columns: 1fr; }
  .split .split__media{ order:1 !important; }
  .grid--3, .grid--4{ grid-template-columns: repeat(2,1fr); }
  .steps{ grid-template-columns: repeat(2,1fr); }
  .value-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
}

@media (max-width: 720px){
  .nav{
    position:absolute;
    top: 100%; left:0; right:0;
    background: var(--cream);
    flex-direction:column;
    align-items:stretch;
    padding: 12px 20px 20px;
    display:none;
    border-bottom: 1px solid rgba(31,75,74,.1);
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding: 12px 14px; }
  .nav-toggle{ display:flex; }
  .header-phone span{ display:none; }
  .grid--3, .grid--4, .grid--2{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .value-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .hero__media-tag{ position:static; margin-top:16px; max-width:none; }
  .page-hero img{ height:220px; }
  .hero__media img{ height:300px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn, a{ transition:none; }
}