/* ============ TOKENS ============ */
:root, [data-theme="light"] {
  --color-bg: #ffffff;
  --color-surface: #f6f8f8;
  --color-surface-2: #eef3f3;
  --color-border: #dde5e5;
  --color-text: #12211f;
  --color-text-muted: #566662;
  --color-text-faint: #93a09d;
  --color-primary: #127a80;
  --color-primary-hover: #0d5c61;
  --color-on-primary: #ffffff;
  --color-hero-grad-1: #e8f2f2;
  --color-hero-grad-2: #ffffff;

  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.4rem);

  --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem;
  --space-20: 5rem; --space-24: 6rem;

  --radius-md: 0.6rem; --radius-lg: 1rem; --radius-full: 999px;
  --content: 1080px;
  --transition: 200ms cubic-bezier(0.16,1,0.3,1);
  --shadow-sm: 0 1px 2px rgba(18,33,31,.06);
  --shadow-md: 0 8px 30px rgba(18,33,31,.09);
}
[data-theme="dark"] {
  --color-bg: #0c1413;
  --color-surface: #111c1a;
  --color-surface-2: #16211f;
  --color-border: #24322f;
  --color-text: #e4eae8;
  --color-text-muted: #93a29e;
  --color-text-faint: #5f6f6b;
  --color-primary: #4bb3ba;
  --color-primary-hover: #66c6cc;
  --color-on-primary: #06110f;
  --color-hero-grad-1: #12211f;
  --color-hero-grad-2: #0c1413;
  --shadow-md: 0 8px 30px rgba(0,0,0,.4);
}

/* ============ BASE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth;scroll-padding-top:5rem}
body{min-height:100dvh;line-height:1.6;font-family:var(--font-body);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);transition:background var(--transition),color var(--transition)}
svg{display:block}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;line-height:1.1;font-weight:600;letter-spacing:-0.02em}
p{text-wrap:pretty;max-width:60ch}
a{color:inherit;text-decoration:none}
button{cursor:pointer;background:none;border:none;font:inherit;color:inherit}
input,textarea{font:inherit;color:inherit}
::selection{background:color-mix(in srgb,var(--color-primary) 22%,transparent)}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:6px}
a,button,input,textarea{transition:color var(--transition),background var(--transition),border-color var(--transition),box-shadow var(--transition),transform var(--transition)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.wrap{width:100%;max-width:var(--content);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,3rem)}
.eyebrow{font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary);font-weight:600;margin-bottom:var(--space-4)}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:var(--text-sm);font-weight:600;padding:.7rem 1.4rem;border-radius:var(--radius-full);border:1.5px solid transparent;white-space:nowrap}
.btn--primary{background:var(--color-primary);color:var(--color-on-primary)}
.btn--primary:hover{background:var(--color-primary-hover);transform:translateY(-1px)}
.btn--ghost{border-color:var(--color-border);color:var(--color-text)}
.btn--ghost:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn--full{width:100%;padding-block:.85rem}

/* ============ HEADER ============ */
.header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--color-bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color var(--transition),background var(--transition)}
.header.scrolled{border-color:var(--color-border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;padding-block:var(--space-4)}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:600;font-size:var(--text-base);letter-spacing:-0.01em}
.brand__mark{color:var(--color-primary);flex-shrink:0}
.brand__name-alt{color:var(--color-text-muted);font-weight:500}
.header__actions{display:flex;align-items:center;gap:var(--space-3)}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);border:1.5px solid var(--color-border);color:var(--color-text-muted)}
.icon-btn:hover{color:var(--color-primary);border-color:var(--color-primary)}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--color-hero-grad-1),var(--color-hero-grad-2))}
.hero__inner{position:relative;z-index:2;padding-block:clamp(var(--space-20),13vw,10rem);max-width:820px}
.hero__title{font-size:var(--text-2xl);margin-bottom:var(--space-6);max-width:16ch}
.hero__lede{font-size:var(--text-lg);color:var(--color-text-muted);max-width:52ch;margin-bottom:var(--space-8);line-height:1.5}
.hero__cta{display:flex;gap:var(--space-3);flex-wrap:wrap}
.hero__glow{position:absolute;top:-30%;right:-10%;width:60vw;height:60vw;max-width:720px;max-height:720px;background:radial-gradient(circle,color-mix(in srgb,var(--color-primary) 20%,transparent),transparent 62%);z-index:1;pointer-events:none}

/* ============ SECTIONS ============ */
.section{padding-block:clamp(var(--space-16),9vw,var(--space-24))}
.section__head{max-width:640px;margin-bottom:var(--space-12)}
.section__title{font-size:var(--text-xl)}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-6)}
.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);transition:transform var(--transition),box-shadow var(--transition)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card__num{font-family:var(--font-display);font-size:var(--text-sm);font-weight:600;color:var(--color-primary);letter-spacing:.05em}
.card__title{font-size:var(--text-lg);margin:var(--space-4) 0 var(--space-3)}
.card__body{color:var(--color-text-muted);font-size:var(--text-base)}

/* STATEMENT */
.statement{background:var(--color-primary);color:var(--color-on-primary);padding-block:clamp(var(--space-16),9vw,var(--space-24))}
.statement__quote{font-family:var(--font-display);font-size:var(--text-xl);font-weight:500;line-height:1.3;letter-spacing:-0.01em;max-width:24ch;margin-inline:auto;text-align:center;text-wrap:balance}

/* ABOUT */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(var(--space-8),6vw,var(--space-20));align-items:start}
.about__col--body p{color:var(--color-text-muted);margin-bottom:var(--space-6);max-width:56ch}
.about__col--body p:last-child{margin-bottom:0}

/* CONTACT */
.section--contact{background:var(--color-surface);border-top:1px solid var(--color-border)}
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(var(--space-8),6vw,var(--space-20));align-items:start}
.contact__note{color:var(--color-text-muted);margin-top:var(--space-4);max-width:38ch}
.form{display:flex;flex-direction:column;gap:var(--space-4);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:clamp(var(--space-6),3vw,var(--space-10))}
.field{display:flex;flex-direction:column;gap:var(--space-2)}
.field label{font-size:var(--text-sm);font-weight:600}
.field .opt{color:var(--color-text-faint);font-weight:400}
.field input,.field textarea{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:.7rem .9rem;font-size:var(--text-sm);width:100%;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--color-primary);outline:none}
.form__status{font-size:var(--text-sm);min-height:1.2em;margin-top:var(--space-2)}
.form__status.ok{color:var(--color-primary)}
.form__status.err{color:#c0392b}
[data-theme="dark"] .form__status.err{color:#ff8a7a}

/* FOOTER */
.footer{border-top:1px solid var(--color-border);padding-block:var(--space-12);background:var(--color-bg)}
.footer__inner{display:flex;flex-direction:column;gap:var(--space-3);align-items:center;text-align:center}
.footer__brand{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:600;color:var(--color-text)}
.footer__brand svg{color:var(--color-primary)}
.footer__meta{font-size:var(--text-sm);color:var(--color-text-muted)}
.footer__meta a:hover{color:var(--color-primary)}
.footer__copy{font-size:var(--text-xs);color:var(--color-text-faint)}

/* REVEAL — progressive enhancement only. Content is visible by default;
   the .js-anim class (added by JS) opts into the hidden->reveal animation,
   so if JS fails the content never disappears. */
.js-anim .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js-anim .reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media (max-width:760px){
  .about,.contact{grid-template-columns:1fr}
  .brand__name-alt{display:none}
}