/* =====================================================================
   Dink & Dock — Pickleball Cruise Club
   Design System stylesheet (vanilla, self-contained)
   A Holidays by Vivian adventure.
   -------------------------------------------------------------------
   Structure:  1) Tokens  2) Reset  3) Type  4) Layout  5) Buttons
               6) Badges  7) Cards  8) Forms  9) Navbar 10) Hero
              11) Sections 12) CTA band 13) Footer 14) Utilities
              15) Responsive
   ===================================================================== */

/* 1) TOKENS ----------------------------------------------------------- */
:root {
  /* Brand blue (primary) */
  --blue-50:#EAF2FF; --blue-100:#CFE0FF; --blue-300:#6FA3FF;
  --blue-400:#4A93FF; --blue-500:#1E63E9; --blue-600:#1150D6;
  --blue-700:#0E42B0; --blue-800:#0B3488;
  /* Coral accent — the "dink" */
  --coral-50:#FFF0EC; --coral-200:#FFC7B8; --coral-400:#FF8A6B;
  --coral-500:#FF6B4A; --coral-600:#EE4E2B;
  /* Sea teal — the "dock" */
  --sea-50:#E7FBF7; --sea-200:#A7ECE0; --sea-400:#34C9B6;
  --sea-500:#16B3A0; --sea-600:#0E9587;
  /* Court lime (rare pops) */
  --lime-500:#C4E635;
  /* Ink / charcoal */
  --ink-950:#101317; --ink-900:#14171B; --ink-800:#1B1F24;
  --ink-700:#262B31; --ink-600:#363C44;
  /* Neutrals / warm paper */
  --white:#FFFFFF; --paper-50:#F8F6F1; --paper-100:#F1EEE6;
  --gray-200:#E4E6EA; --gray-300:#C9CED6; --gray-400:#A0A7B2;
  --gray-500:#767D88; --gray-600:#545B65;

  /* Semantic aliases */
  --color-primary:var(--blue-500); --color-primary-hover:var(--blue-600);
  --color-primary-press:var(--blue-700); --color-accent:var(--coral-500);
  --color-accent-hover:var(--coral-600); --color-sea:var(--sea-500);
  --surface-page:var(--paper-50); --surface-card:var(--white);
  --surface-invert:var(--ink-900); --surface-invert-2:var(--ink-800);
  --text-heading:var(--ink-900); --text-body:var(--ink-700);
  --text-muted:var(--gray-500); --text-on-dark:var(--white);
  --text-on-dark-muted:var(--gray-300); --text-on-brand:var(--white);
  --text-link:var(--blue-500);
  --border-subtle:var(--gray-200); --border-hairline:rgba(255,255,255,.14);
  --border-strong:var(--gray-300); --focus-ring:var(--blue-400);

  /* Gradients */
  --grad-cta:linear-gradient(180deg,var(--blue-400) 0%,var(--blue-600) 100%);
  --grad-sea:linear-gradient(135deg,var(--sea-400) 0%,var(--blue-500) 100%);
  --grad-sun:linear-gradient(135deg,var(--coral-400) 0%,var(--coral-600) 100%);

  /* Fonts */
  --font-display:"Poppins","Helvetica Neue",Arial,sans-serif;
  --font-body:"Poppins","Helvetica Neue",Arial,sans-serif;
  --font-serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;

  /* Type scale */
  --fs-display:56px; --fs-h1:40px; --fs-h2:30px; --fs-h3:22px;
  --fs-h4:18px; --fs-body-lg:18px; --fs-body:16px; --fs-sm:14px;
  --fs-xs:12px; --fs-eyebrow:13px;

  /* Spacing (4px base) */
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px;
  --space-5:20px; --space-6:24px; --space-8:32px; --space-10:40px;
  --space-12:48px; --space-16:64px; --space-20:80px; --space-24:96px;
  --container-max:1200px; --gutter:24px; --section-y:96px;

  /* Radius */
  --radius-sm:10px; --radius-md:16px; --radius-lg:24px;
  --radius-xl:32px; --radius-pill:999px;

  /* Shadow */
  --shadow-xs:0 1px 2px rgba(16,19,23,.06);
  --shadow-sm:0 2px 8px rgba(16,19,23,.08);
  --shadow-md:0 8px 24px rgba(16,19,23,.10);
  --shadow-lg:0 18px 44px rgba(16,19,23,.14);
  --shadow-brand:0 14px 34px rgba(30,99,233,.30);
  --shadow-accent:0 14px 34px rgba(255,107,74,.28);
  --ring-focus:0 0 0 3px rgba(74,147,255,.45);

  /* Motion */
  --ease-standard:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --dur-fast:140ms; --dur-base:240ms; --dur-slow:420ms;
}

/* 2) RESET ------------------------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface-page);color:var(--text-body);
  font-family:var(--font-body);font-size:var(--fs-body);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--text-link);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);color:var(--text-heading);
  line-height:1.15;letter-spacing:-.02em}

/* 3) TYPE ------------------------------------------------------------- */
.display{font-weight:800;font-size:clamp(38px,6vw,60px);line-height:1.05;letter-spacing:-.02em}
.h1{font-weight:800;font-size:clamp(30px,4.4vw,var(--fs-h1))}
.h2{font-weight:800;font-size:clamp(26px,3.6vw,var(--fs-h2))}
.h3{font-weight:700;font-size:var(--fs-h3)}
.lead{font-size:var(--fs-body-lg);line-height:1.65;color:var(--text-body)}
.muted{color:var(--text-muted)}
.serif{font-family:var(--font-serif)}

/* 4) LAYOUT ----------------------------------------------------------- */
.container{max-width:var(--container-max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding:var(--section-y) 0}
.section-tight{padding:64px 0}
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.stack{display:flex;flex-direction:column}
.row{display:flex;align-items:center}
.wrap{flex-wrap:wrap}
.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}
.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}

/* 5) BUTTONS ---------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-display);font-weight:600;letter-spacing:.01em;line-height:1;
  border-radius:var(--radius-pill);border:2px solid transparent;cursor:pointer;
  padding:14px 30px;font-size:16px;
  transition:transform var(--dur-fast) var(--ease-out),background var(--dur-base) var(--ease-standard),box-shadow var(--dur-base) var(--ease-standard),color var(--dur-base) var(--ease-standard);}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:18px 40px;font-size:17px}
.btn-primary{background:var(--grad-cta);color:var(--text-on-brand);box-shadow:var(--shadow-brand)}
.btn-primary:hover{background:var(--blue-600)}
.btn-accent{background:var(--grad-sun);color:var(--text-on-brand);box-shadow:var(--shadow-accent)}
.btn-accent:hover{background:var(--coral-600)}
.btn-secondary{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-secondary:hover{background:var(--color-primary);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.85)}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-ghost{background:transparent;color:var(--color-primary)}
.btn-ghost:hover{background:var(--blue-50)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* 6) BADGES ----------------------------------------------------------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);
  font-weight:600;font-size:var(--fs-eyebrow);letter-spacing:.16em;text-transform:uppercase;color:var(--blue-600)}
.eyebrow.coral{color:var(--coral-600)}.eyebrow.sea{color:var(--sea-600)}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-display);
  font-weight:500;font-size:var(--fs-xs);letter-spacing:.02em;padding:6px 12px;border-radius:var(--radius-pill);
  background:var(--blue-50);color:var(--blue-600);white-space:nowrap}
.badge.coral{background:var(--coral-50);color:var(--coral-600)}
.badge.sea{background:var(--sea-50);color:var(--sea-600)}
.badge.neutral{background:var(--gray-200);color:var(--gray-600)}
.badge.invert{background:rgba(255,255,255,.14);color:#fff;backdrop-filter:blur(6px)}

/* 7) CARDS ------------------------------------------------------------ */
.card{display:flex;flex-direction:column;background:var(--surface-card);
  border-radius:var(--radius-lg);border:1px solid var(--border-subtle);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-standard)}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-slow) var(--ease-out)}
.card-hover:hover .card-media img{transform:scale(1.05)}
.card-media .badge{position:absolute;top:14px;left:14px}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body p{margin:0;color:var(--text-body);line-height:1.65}
.card-body .card-foot{margin-top:auto;padding-top:8px}

/* stat */
.stat{display:flex;flex-direction:column;gap:4px}
.stat .num{font-family:var(--font-display);font-weight:800;font-size:var(--fs-h1);
  line-height:1;letter-spacing:-.02em;color:var(--blue-500)}
.stat .num.coral{color:var(--coral-500)}.stat .num.sea{color:var(--sea-500)}.stat .num.invert{color:#fff}
.stat .lbl{font-size:var(--fs-sm);color:var(--text-muted)}
.stat.invert .lbl{color:var(--text-on-dark-muted)}

/* 8) FORMS ------------------------------------------------------------ */
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--font-display);font-weight:500;font-size:var(--fs-sm);color:var(--text-heading)}
.field label .req{color:var(--color-accent);margin-left:4px}
.field .help{font-size:var(--fs-xs);color:var(--text-muted)}
.field .err{font-size:var(--fs-xs);color:var(--coral-600)}
.input,.textarea,.select{width:100%;font-family:var(--font-body);font-size:var(--fs-body);
  color:var(--text-heading);background:#fff;border:1.5px solid var(--border-strong);
  border-radius:var(--radius-sm);padding:14px 16px;outline:none;
  transition:border-color var(--dur-base) var(--ease-standard),box-shadow var(--dur-base) var(--ease-standard)}
.textarea{line-height:1.5;resize:vertical;min-height:120px}
.input:focus,.textarea:focus,.select:focus{border-color:var(--color-primary);box-shadow:var(--ring-focus)}
.input.invalid,.textarea.invalid,.select.invalid{border-color:var(--coral-500)}
.select{appearance:none;-webkit-appearance:none;padding-right:44px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23767D88' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center}

/* alerts */
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:var(--fs-sm);display:flex;gap:10px;align-items:center}
.alert-ok{background:var(--sea-50);color:var(--sea-600);border:1px solid var(--sea-200)}
.alert-err{background:var(--coral-50);color:var(--coral-600);border:1px solid var(--coral-200)}

/* 9) NAVBAR ----------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:all var(--dur-base) var(--ease-standard)}
.nav.scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--border-subtle);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.wordmark{display:flex;align-items:center;gap:11px;line-height:1}
.wordmark-mark{flex-shrink:0;width:44px;height:44px}
.wordmark-text{display:flex;flex-direction:column;line-height:1}
.wordmark .mark{font-family:var(--font-display);font-weight:800;font-size:24px;letter-spacing:-.02em}
.wordmark .mark .a{color:var(--blue-500)}.wordmark .mark .amp{color:var(--coral-500);margin:0 3px}
.wordmark .mark .b{color:var(--sea-500)}
.wordmark .sub{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-muted);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-family:var(--font-display);font-weight:500;font-size:15px;color:var(--text-body);white-space:nowrap;transition:color var(--dur-fast)}
.nav-links a:hover,.nav-links a.active{color:var(--blue-500)}
.nav-cta{display:flex;align-items:center}
.burger{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--text-heading);padding:4px}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:8px var(--gutter) 20px;background:#fff;border-bottom:1px solid var(--border-subtle)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:10px 4px;font-family:var(--font-display);font-weight:500;color:var(--text-body)}

/* 10) HERO ------------------------------------------------------------ */
.hero{position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,52,136,.62) 0%,rgba(14,23,27,.78) 100%)}
.hero-inner{position:relative;padding:120px 0 96px;color:#fff}
.hero-inner .col{max-width:720px;display:flex;flex-direction:column;gap:22px}
.hero-inner .col>.badge,.hero-inner .col>.eyebrow,
.page-hero-inner>.badge,.page-hero-inner>.eyebrow,
.stack>.badge,.stack>.eyebrow,.section-head .col>.eyebrow{align-self:flex-start}
.hero-inner h1{color:#fff}
.hero-inner .lead{color:rgba(255,255,255,.9);max-width:560px}
.hero-stats{display:flex;gap:48px;margin-top:28px;flex-wrap:wrap}
.page-hero{position:relative;overflow:hidden}
.page-hero .hero-bg::after{background:linear-gradient(180deg,rgba(11,52,136,.55) 0%,rgba(14,23,27,.7) 100%)}
.page-hero-inner{position:relative;padding:96px 0 72px;color:#fff;display:flex;flex-direction:column;gap:16px}
.page-hero-inner h1{color:#fff}
.page-hero-inner .lead{color:rgba(255,255,255,.9);max-width:620px}

/* 11) SECTIONS -------------------------------------------------------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head .col{display:flex;flex-direction:column;gap:12px;max-width:620px}
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .ic{width:44px;height:44px;border-radius:var(--radius-md);background:var(--blue-50);color:var(--blue-500);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.feature.coral .ic{background:var(--coral-50);color:var(--coral-500)}
.feature.sea .ic{background:var(--sea-50);color:var(--sea-500)}
.feature h4{font-size:var(--fs-h4);font-weight:700;margin-bottom:4px}
.feature p{margin:0;color:var(--text-body)}

/* itinerary list */
.itin{display:flex;flex-direction:column;gap:0}
.itin-day{display:flex;gap:22px;padding:22px 0;border-top:1px solid var(--border-subtle)}
.itin-day:last-child{border-bottom:1px solid var(--border-subtle)}
.itin-day .n{flex-shrink:0;width:56px;height:56px;border-radius:var(--radius-pill);background:var(--grad-cta);
  color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;box-shadow:var(--shadow-brand)}
.itin-day .c h4{font-size:var(--fs-h4);font-weight:700;margin-bottom:4px}
.itin-day .c p{margin:0;color:var(--text-body)}
.itin-day .port{font-size:var(--fs-xs);color:var(--coral-600);font-weight:600;letter-spacing:.08em;text-transform:uppercase}

/* included checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--text-body)}
.checklist li::before{content:"✓";flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--sea-50);color:var(--sea-600);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.split .media img{width:100%;height:100%;object-fit:cover}

/* value cards */
.value{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column;gap:10px}
.value .ic{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px}

/* 12) CTA BAND -------------------------------------------------------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad-cta);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-brand);padding:56px 40px;text-align:center;color:#fff}
.cta-band h2{color:#fff;margin:0 auto 22px;max-width:640px;font-weight:700;
  font-size:clamp(24px,3.4vw,34px);line-height:1.2;letter-spacing:-.01em}
.cta-band .glyph{position:absolute;top:-40px;right:-20px;font-size:180px;opacity:.12;pointer-events:none}
.cta-pull{margin-bottom:72px}  /* breathing room before the footer */

/* 13) FOOTER ---------------------------------------------------------- */
.footer{background:var(--surface-invert);color:var(--text-on-dark-muted);padding-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:48px;padding:48px 0}
.footer h4{color:#fff;font-weight:700;font-size:20px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--border-hairline)}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand img{flex-shrink:0}
.footer p{margin:0 0 20px;line-height:1.65;max-width:360px}
.footer a{display:block;padding:7px 0;color:var(--text-on-dark-muted);font-size:15px;transition:color var(--dur-fast)}
.footer a:hover{color:#fff}
.footer .contact-lines{display:flex;flex-direction:column;gap:12px;font-size:15px;line-height:1.5}
.socials{display:flex;gap:12px}
/* .socials .social so it outranks the generic .footer a rule (display:block + padding) */
.socials .social{width:44px;height:44px;border-radius:var(--radius-pill);background:var(--color-primary);color:#fff;padding:0;
  display:inline-flex;align-items:center;justify-content:center;transition:transform var(--dur-fast) var(--ease-out),background var(--dur-base)}
.socials .social svg{display:block}
.social:hover{transform:translateY(-2px);background:var(--blue-600)}
.footer-bottom{border-top:1px solid var(--border-hairline);padding:20px 0;text-align:center;font-size:13px;color:var(--gray-500)}

/* contact block */
.contact-line{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--text-body)}
.contact-line .ic{width:34px;height:34px;border-radius:50%;background:var(--blue-50);color:var(--blue-500);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

/* 14) UTILITIES ------------------------------------------------------- */
.text-center{text-align:center}
.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}
.mt-8{margin-top:var(--space-8)}.mb-6{margin-bottom:var(--space-6)}
.on-dark{background:var(--surface-invert)}
.on-paper{background:var(--surface-page)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* 15) RESPONSIVE ------------------------------------------------------ */
@media (max-width:960px){
  :root{--section-y:64px}
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-inner{padding:88px 0 64px}
  .cta-band{padding:40px 24px}
}
@media (max-width:520px){
  .hero-stats{gap:28px}
  .btn-lg{padding:15px 30px}
}