/* ==========================================================================
   Tessa Rivers Management Accounts Support — site stylesheet
   Design tokens below are carried over verbatim from the Tessa Rivers
   design system (Claude Design project) so the site matches the approved
   visual language exactly.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap");

:root{
  /* ---- fonts ---- */
  --font-display:"Oswald","Arial Narrow",Impact,sans-serif;
  --font-sans:"Montserrat","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --font-body:var(--font-sans);
  --font-heading:var(--font-display);
  --font-figure:var(--font-mono);

  /* ---- colors ---- */
  --navy-900:#14123A;
  --navy-800:#1B1950;
  --navy-700:#232064;
  --navy-600:#2E2B7E;
  --navy-500:#3B3897;
  --navy-400:#615EB3;
  --navy-300:#8D8BC9;
  --navy-200:#C2C1E1;
  --navy-100:#E4E3F2;
  --navy-50:#F2F2F9;

  --violet-700:#37088A;
  --violet-600:#4509AE;
  --violet-500:#5A22C8;
  --violet-300:#A98BE6;
  --violet-100:#EDE5FB;

  --royal-500:#2B4FCC;

  --azure-700:#0B6FB8;
  --azure-600:#119BEB;
  --azure-500:#25ACF1;
  --azure-400:#05C4FC;
  --azure-200:#A9E2FB;
  --azure-100:#E4F4FE;

  --teal-700:#0E5A57;
  --teal-600:#106E69;
  --teal-500:#13867F;
  --teal-400:#1FA89D;
  --teal-200:#A8D6D2;
  --teal-100:#E2F1EF;

  --neutral-900:#15162B;
  --neutral-800:#232438;
  --neutral-700:#3A3B52;
  --neutral-600:#55566E;
  --neutral-500:#74758C;
  --neutral-400:#9698AB;
  --neutral-300:#C3C4D2;
  --neutral-200:#DFE0E9;
  --neutral-100:#EFEFF5;
  --neutral-50:#F7F7FB;
  --white:#FFFFFF;

  --positive-700:#0B6A52;
  --positive-500:#0E8A6A;
  --positive-100:#DFF2EC;
  --negative-700:#9E1F3C;
  --negative-500:#C0304F;
  --negative-100:#FBE4E9;
  --caution-700:#8A5A10;
  --caution-500:#D08A1C;
  --caution-100:#FBEED6;
  --info-700:#0B5E9E;
  --info-500:#119BEB;
  --info-100:#E4F4FE;

  --gradient-shard-cool:linear-gradient(115deg,var(--violet-600) 0%,var(--royal-500) 48%,var(--azure-400) 100%);
  --gradient-shard-teal:linear-gradient(115deg,var(--navy-700) 0%,var(--teal-600) 70%,var(--teal-400) 100%);
  --gradient-navy-depth:linear-gradient(160deg,var(--navy-700) 0%,var(--navy-900) 100%);

  /* ---- typography ---- */
  --text-3xl:4rem;
  --text-2xl:3.25rem;
  --text-xl:2.5rem;
  --text-lg:2rem;
  --text-md:1.5rem;
  --text-sm:1.25rem;
  --text-body-lg:1.125rem;
  --text-body:1rem;
  --text-caption:0.875rem;
  --text-micro:0.75rem;

  --leading-tight:0.98;
  --leading-heading:1.06;
  --leading-snug:1.35;
  --leading-body:1.6;
  --leading-loose:1.75;

  --weight-regular:400;
  --weight-medium:500;
  --weight-semibold:600;
  --weight-bold:700;

  --tracking-tight:-0.005em;
  --tracking-normal:0;
  --tracking-wide:0.04em;
  --tracking-eyebrow:0.16em;

  --measure-prose:64ch;
  --measure-narrow:46ch;

  /* ---- spacing ---- */
  --space-0:0;
  --space-1:2px;
  --space-2:4px;
  --space-3:8px;
  --space-4:12px;
  --space-5:16px;
  --space-6:20px;
  --space-7:24px;
  --space-8:32px;
  --space-9:40px;
  --space-10:48px;
  --space-11:64px;
  --space-12:80px;
  --space-13:96px;
  --space-14:128px;

  --section-y:96px;
  --section-y-compact:64px;
  --gutter:24px;
  --container:1140px;
  --container-narrow:760px;

  /* ---- radius ---- */
  --radius-0:0;
  --radius-xs:2px;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --radius-xl:20px;
  --radius-pill:999px;
  --border-hairline:1px;
  --border-strong:1.5px;

  /* ---- elevation ---- */
  --shadow-none:none;
  --shadow-hairline:0 0 0 1px var(--neutral-200);
  --shadow-sm:0 1px 2px rgba(20,18,58,.07);
  --shadow-md:0 2px 4px rgba(20,18,58,.06),0 8px 20px rgba(20,18,58,.06);
  --shadow-lg:0 4px 8px rgba(20,18,58,.06),0 18px 44px rgba(20,18,58,.10);
  --shadow-inset-hair:inset 0 -1px 0 var(--neutral-200);
  --focus-ring:0 0 0 3px var(--azure-200);

  /* ---- motion ---- */
  --dur-instant:80ms;
  --dur-fast:140ms;
  --dur-base:220ms;
  --dur-slow:360ms;
  --dur-reveal:600ms;
  --ease-out:cubic-bezier(.2,.7,.3,1);
  --ease-in-out:cubic-bezier(.4,0,.2,1);
  --transition-control:color var(--dur-fast) var(--ease-out),background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out);
  --press-scale:0.99;

  /* ---- semantic aliases ---- */
  --surface-page:var(--white);
  --surface-page-alt:var(--neutral-50);
  --surface-card:var(--white);
  --surface-sunken:var(--neutral-100);
  --surface-inverse:var(--navy-700);
  --surface-inverse-deep:var(--navy-900);
  --surface-violet:var(--violet-600);

  --text-heading:var(--navy-700);
  --text-body-color:var(--neutral-700);
  --text-muted:var(--neutral-500);
  --text-inverse:var(--white);
  --text-inverse-muted:var(--navy-200);
  --text-accent:var(--violet-600);
  --text-eyebrow:var(--azure-600);
  --text-link:var(--violet-600);
  --text-link-hover:var(--navy-700);

  --line-soft:var(--neutral-200);
  --line-strong:var(--neutral-300);
  --line-inverse:rgba(255,255,255,.22);
  --line-focus:var(--azure-500);

  --action-primary-bg:var(--navy-700);
  --action-primary-bg-hover:var(--navy-600);
  --action-primary-bg-active:var(--navy-800);
  --action-primary-fg:var(--white);
  --action-secondary-bg:transparent;
  --action-secondary-fg:var(--navy-700);
  --action-secondary-border:var(--navy-700);
  --action-secondary-bg-hover:var(--navy-50);
  --action-ghost-fg:var(--neutral-700);
  --action-ghost-bg-hover:var(--neutral-100);
  --action-disabled-bg:var(--neutral-200);
  --action-disabled-fg:var(--neutral-400);

  --field-bg:var(--white);
  --field-border:var(--neutral-300);
  --field-border-hover:var(--neutral-400);
  --field-border-focus:var(--azure-500);
  --field-placeholder:var(--neutral-400);

  --status-positive-fg:var(--positive-700);
  --status-positive-bg:var(--positive-100);
  --status-negative-fg:var(--negative-700);
  --status-negative-bg:var(--negative-100);
}

@media (prefers-reduced-motion:reduce){
  :root{ --dur-fast:0ms; --dur-base:0ms; --dur-slow:0ms; --dur-reveal:0ms; }
}

/* ---- base element defaults ---- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface-page);color:var(--text-body-color);font-family:var(--font-body);font-size:var(--text-body);line-height:var(--leading-body);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-heading);color:var(--text-heading);font-weight:var(--weight-bold);margin:0;letter-spacing:var(--tracking-tight);line-height:var(--leading-heading)}
p{margin:0 0 1em;max-width:var(--measure-prose)}
p:last-child{margin-bottom:0}
a{color:var(--text-link)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}
img{display:block;max-width:100%}
::selection{background:var(--azure-200);color:var(--navy-900)}

.tr-container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.tr-eyebrow{font-family:var(--font-sans);font-size:var(--text-micro);font-weight:var(--weight-bold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--text-eyebrow)}
.tr-eyebrow--inverse{color:var(--azure-400)}

/* ==========================================================================
   Layout
   ========================================================================== */

.site-header{position:sticky;top:0;z-index:20;background:var(--navy-700);border-bottom:1px solid var(--line-inverse)}
.site-header__row{position:relative;max-width:var(--container);margin:0 auto;padding:14px var(--gutter);display:flex;align-items:center;gap:32px}

.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;border-bottom:none;margin-right:auto}
.brand__name{display:inline-flex;flex-direction:column;gap:2px;line-height:1}
.brand__name span{font-weight:var(--weight-bold);font-size:17px;letter-spacing:var(--tracking-tight);color:var(--white);white-space:nowrap}

.site-nav{display:flex;gap:24px;align-items:center}
.site-nav a{font-size:14px;font-weight:600;color:var(--white);text-decoration:none;border-bottom:none}
.site-nav a:hover{color:var(--azure-200)}
.site-nav__cta,.site-nav__phone{display:none}

.nav-toggle{display:none;width:44px;height:44px;flex:0 0 44px;align-items:center;justify-content:center;background:transparent;color:var(--white);border:1px solid var(--line-inverse);border-radius:var(--radius-xs);cursor:pointer;padding:0}

.hero{background:var(--navy-700);color:var(--white);padding:80px 0 88px}
.hero__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(440px,100%),1fr));gap:clamp(32px,4vw,56px);align-items:stretch}
.hero__text{display:flex;flex-direction:column;justify-content:center}
.hero h1{margin:18px 0 0;font-weight:700;font-size:clamp(44px,5.4vw,64px);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--white);max-width:20ch;text-wrap:pretty}
.hero__lede-strong{margin:22px 0 0;font-family:var(--font-display);font-weight:700;font-size:28px;line-height:1.06;color:var(--white)}
.hero__body{margin:16px 0 0;font-size:18px;line-height:var(--leading-loose);color:var(--navy-100);max-width:60ch;text-wrap:pretty}
.hero__punch{margin:26px 0 0;font-family:var(--font-display);font-weight:700;font-size:26px;line-height:1.1;color:var(--azure-400)}
.hero__actions{display:flex;gap:20px;margin-top:36px;flex-wrap:wrap;align-items:center}
.hero__note{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--navy-200)}

.hero__media{position:relative;min-height:400px;border-radius:var(--radius-xs);background:var(--navy-800);overflow:hidden}
.hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.hero__media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--navy-200);text-align:center;padding:32px}

section{padding:var(--section-y) 0}

.split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:64px;align-items:start}
.split h2{max-width:16ch}
.split p{max-width:44ch}

.feature-list{display:flex;flex-direction:column;border-top:1px solid var(--line-soft)}
.feature-row{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line-soft)}
.feature-row__text{display:flex;flex-direction:column;gap:4px}
.feature-row__title{font-size:17px;font-weight:700;color:var(--navy-700)}
.feature-row__desc{font-size:16px;line-height:1.6;color:var(--neutral-700)}

.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(360px,100%),1fr));gap:clamp(32px,5vw,56px);align-items:start}
.about-portrait img{display:block;width:100%;max-width:440px;height:auto;border-radius:var(--radius-xs)}
.about-portrait{position:relative}
.about-portrait__placeholder{display:none;flex-direction:column;gap:10px;align-items:center;justify-content:center;aspect-ratio:4/5;background:var(--gradient-navy-depth);color:var(--navy-200);text-align:center;padding:32px;border-radius:var(--radius-xs)}
.about-quote{margin:26px 0 0;font-family:var(--font-display);font-weight:700;font-size:26px;line-height:1.1;color:var(--violet-600);max-width:26ch}
.about-checklist{grid-column:1 / -1;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px 32px;margin-top:8px;padding-top:28px;border-top:1px solid var(--line-soft)}
.about-check{display:flex;gap:10px;align-items:flex-start;font-size:16px;line-height:1.6;color:var(--neutral-700)}

.section-eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--azure-600)}
.section-title{margin:16px 0 0;font-family:var(--font-display);font-weight:700;font-size:clamp(30px,5vw,44px);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--navy-700)}

.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:20px;margin-top:48px}
.step-card{border:1px solid var(--line-soft);border-radius:var(--radius-xs);padding:32px;border-top:4px solid var(--navy-700)}
.step-card--02{border-top-color:var(--violet-600)}
.step-card--03{border-top-color:var(--teal-600)}
.step-card__num{font-family:var(--font-mono);font-size:14px;color:var(--azure-600)}
.step-card h3{margin:8px 0 0;font-weight:700;font-size:30px;line-height:1.06;color:var(--navy-700)}
.step-card p{margin:14px 0 0;font-size:16px;line-height:1.6;text-wrap:pretty}

.faq-section{padding:var(--section-y) 0;background:var(--neutral-50);border-top:1px solid var(--neutral-100);border-bottom:1px solid var(--neutral-100)}
.faq-section .tr-container{max-width:var(--container-narrow)}
.faq-section h2{margin:16px 0 32px;font-size:40px}

.accordion{border-top:1px solid var(--line-soft)}
.accordion-item{border-bottom:1px solid var(--line-soft)}
.accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:20px 0;cursor:pointer;text-align:left;font:inherit;font-family:var(--font-sans);font-size:var(--text-body-lg);font-weight:var(--weight-semibold);color:var(--navy-700)}
.accordion-trigger .icon{color:var(--violet-600);flex:0 0 auto}
.accordion-panel{padding:0 0 24px;max-width:var(--measure-prose);color:var(--neutral-700);display:none}
.accordion-item.is-open .accordion-panel{display:block}

.contact-split{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:64px;align-items:start}
.contact-split h2{max-width:18ch}
.contact-split p{max-width:44ch}
.contact-links{display:flex;flex-direction:column;gap:10px;margin-top:28px;padding:0;list-style:none}
.contact-links li{display:flex}
.contact-links a{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:var(--navy-700);text-decoration:none;border-bottom:none}
.contact-links a:hover{color:var(--violet-600)}
.contact-links .icon{color:var(--azure-600)}

.contact-card{border:1px solid var(--line-soft);border-radius:var(--radius-xs);background:var(--white);padding:clamp(20px,5vw,36px);box-shadow:var(--shadow-md)}
.form-grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-top:20px}
.form-grid-2 .field{margin-top:0}
.field:first-child{margin-top:0}
.field label{font-size:var(--text-caption);font-weight:var(--weight-semibold);color:var(--neutral-800)}
.field label .req{color:var(--negative-500)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:var(--text-body);color:var(--neutral-800);background:var(--field-bg);padding:11px 14px;border:1px solid var(--field-border);border-radius:var(--radius-md);outline:none;transition:var(--transition-control)}
.field textarea{padding:12px 14px;resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--field-border-hover)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--field-border-focus);box-shadow:var(--focus-ring)}
.field .hint{font-size:var(--text-caption);color:var(--text-muted)}
.select-wrap{position:relative;display:flex}
.select-wrap select{appearance:none;padding-right:40px;cursor:pointer}
.select-wrap .icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--neutral-500)}

.form-footer{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px}
.form-footer .note{font-size:14px;line-height:1.6;color:var(--neutral-600)}

.callout{display:flex;gap:16px;padding:20px;background:var(--status-positive-bg);border-radius:var(--radius-sm);border-left:3px solid var(--positive-700)}
.callout .icon{color:var(--positive-700);margin-top:2px;flex:0 0 auto}
.callout__title{font-family:var(--font-sans);font-weight:700;font-size:var(--text-caption);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--positive-700);margin-bottom:8px}
.callout__body{font-size:var(--text-body);color:var(--neutral-700);line-height:var(--leading-body)}

.success-state{display:flex;flex-direction:column;gap:20px;align-items:flex-start}

.callout--error{background:var(--status-negative-bg);border-left-color:var(--negative-700)}
.callout--error .icon{color:var(--negative-700)}
.callout--error .callout__title{color:var(--negative-700)}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.cta-band{background:var(--violet-600);color:var(--white);padding:clamp(56px,9vw,88px) 0}
.cta-band h2{margin:16px 0 0;font-weight:700;font-size:clamp(30px,5vw,46px);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--white);max-width:22ch;text-wrap:pretty}
.cta-band p{margin:18px 0 0;font-size:18px;line-height:var(--leading-loose);color:var(--white);max-width:48ch}
.cta-band__actions{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap;align-items:center}
.cta-band__phone{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:600;color:var(--white);text-decoration:none;border-bottom:none}
.cta-band__phone .icon{color:var(--white)}

.site-footer{background:var(--navy-900);color:var(--navy-200);padding:64px 0 32px}
.site-footer__row{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);display:flex;gap:clamp(24px,4vw,48px);align-items:flex-start;flex-wrap:wrap}
.site-footer__contact{margin-left:auto;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.site-footer__contact a{font-size:14px;color:var(--white);text-decoration:none;border-bottom:1px solid var(--line-inverse)}
.site-footer__social{display:flex;gap:18px;margin-top:4px}
.site-footer__social a{color:var(--white);display:inline-flex;border-bottom:none}
.site-footer__legal{max-width:var(--container);margin:40px auto 0;padding:24px var(--gutter) 0;border-top:1px solid var(--line-inverse);font-size:12px;line-height:1.6;color:var(--navy-300)}

/* ==========================================================================
   Buttons & icons
   ========================================================================== */

.icon{display:inline-flex;flex:0 0 auto;line-height:0}
.icon svg{width:100%;height:100%;stroke:currentColor}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-weight:var(--weight-semibold);letter-spacing:.01em;line-height:1.2;border-radius:var(--radius-xs);cursor:pointer;text-decoration:none;border:1px solid transparent;transition:var(--transition-control),transform var(--dur-instant) var(--ease-out)}
.btn:active{transform:scale(var(--press-scale))}
.btn--md{padding:12px 24px;font-size:var(--text-body)}
.btn--sm{padding:8px 16px;font-size:var(--text-caption)}
.btn--lg{padding:16px 32px;font-size:var(--text-body-lg)}

.btn--primary{background:var(--action-primary-bg);color:var(--action-primary-fg);border-color:var(--action-primary-bg)}
.btn--primary:hover{background:var(--action-primary-bg-hover);border-color:var(--action-primary-bg-hover)}

.btn--secondary{background:var(--action-secondary-bg);color:var(--action-secondary-fg);border-color:var(--action-secondary-border)}
.btn--secondary:hover{background:var(--action-secondary-bg-hover)}

.btn--inverse{background:var(--white);color:var(--navy-900);border-color:var(--white)}
.btn--inverse:hover{background:var(--neutral-100);border-color:var(--neutral-100)}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width:1000px){
  :root{--container:620px}

  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy-700);flex-direction:column;align-items:stretch;gap:0;padding:4px max(24px,calc((100% - var(--container)) / 2)) 20px;border-top:1px solid var(--line-inverse)}
  .site-nav.is-open{display:flex}
  .site-nav a{min-height:48px;display:flex;align-items:center;border-bottom:1px solid var(--line-inverse)}
  .site-nav__cta{display:flex;color:var(--azure-400);border-bottom:none}
  .site-nav__phone{display:flex;gap:8px;margin-top:12px;font-size:15px;color:var(--navy-200);border-bottom:none;min-height:auto}
  .site-header__contact-btn{display:none}
  .nav-toggle{display:inline-flex}

  .hero{padding:40px 0 48px}
  .hero h1{margin:14px 0 0;font-size:38px;line-height:1;max-width:none}
  .hero__body{max-width:none}
  .hero__punch{font-size:20px;line-height:1.15;max-width:none}
  .hero__actions{margin-top:26px}
  .hero__media{display:none}

  .split,.contact-split,.about-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .cta-band h2{max-width:none}
  section{padding:var(--section-y-compact) 0}
  .site-footer__row{flex-direction:column}
  .site-footer__contact{margin-left:0}
}