/* ==========================================================================
   FiStream, Inc. - fistream.com
   Palette (from brand logo):
     Stream Green  #98CA43   accent, CTAs
     Deep Harbor   #2C4657   primary navy
     Harbor Ink    #1E3444   hero / footer depth
     Slate         #5E7486   secondary text
     Foam          #F4F7F2   light section background
   Type: Space Grotesk (display) / Inter (body)
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('/assets/fonts/space-grotesk/space-grotesk-latin.woff2') format('woff2');
}
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/inter/inter-latin-400.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/inter/inter-latin-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('/assets/fonts/inter/inter-latin-600.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('/assets/fonts/inter/inter-latin-700.woff2') format('woff2'); }

/* ---------- Tokens ---------- */
:root {
    --green:       #98CA43;
    --green-dark:  #7DAB31;
    --green-deep:  #618A20;
    --green-tint:  #F1F7E4;
    --navy:        #2C4657;
    --navy-deep:   #1E3444;
    --navy-ink:    #172835;
    --slate:       #5E7486;
    --foam:        #F4F7F2;
    --line:        #DFE6E1;
    --white:       #FFFFFF;

    --font-display: 'Space Grotesk', 'Inter', 'Helvetica Neue', Arial, sans-serif;
    --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;

    --radius:    10px;
    --radius-lg: 16px;
    --shadow:    0 10px 30px rgba(28, 46, 58, 0.10);
    --shadow-lg: 0 24px 60px rgba(23, 40, 53, 0.22);

    --container: 1160px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--navy);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.15;
    margin: 0 0 0.6em;
    color: var(--navy);
    letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem);  font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; }

a { color: var(--green-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--navy); }

address { font-style: normal; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.container-narrow { max-width: 800px; }

.section { padding: 88px 0; }

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

/* Focus */
:focus-visible {
    outline: 3px solid var(--green);
    outline-offset: 2px;
    border-radius: 2px;
}

.skip-link {
    position: absolute;
    top: -48px; left: 12px;
    z-index: 200;
    background: var(--navy);
    color: var(--white);
    padding: 10px 18px;
    border-radius: 0 0 var(--radius) var(--radius);
    transition: top 0.2s ease;
}
.skip-link:focus { top: 0; color: var(--white); }

/* ---------- Eyebrow / section heads ---------- */
.eyebrow {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--slate);
    margin: 0 0 14px;
}
.eyebrow-green { color: var(--green); }

.section-head {
    max-width: 640px;
    margin-bottom: 48px;
}
.section-lede { color: var(--slate); font-size: 1.06rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    text-align: center;
    padding: 12px 26px;
    border-radius: 999px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--green); border-color: var(--green); color: var(--navy-ink); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--navy-ink); }

.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.55); color: var(--white); }
.btn-outline:hover { border-color: var(--green); color: var(--green); }

.btn-outline-navy { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--navy); }
.btn-ghost:hover { color: var(--green-deep); }

.btn-ghost-dark { background: transparent; border-color: var(--line); color: var(--navy); }
.btn-ghost-dark:hover { border-color: var(--navy); }

.btn-lg { padding: 15px 32px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; }

/* ---------- Topbar ---------- */
.topbar {
    background: var(--navy-ink);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.82rem;
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 8px;
    padding-bottom: 8px;
}
.topbar-badge {
    color: var(--green);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.74rem;
}
.topbar-divider { opacity: 0.35; margin: 0 10px; }
.topbar-link { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.topbar-link:hover { color: var(--green); }
.topbar-left, .topbar-right { display: flex; align-items: center; flex-wrap: wrap; }
.topbar-lang { display: inline-flex; align-items: center; }
.topbar-lang-active { color: var(--green); font-weight: 700; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 14px;
    padding-bottom: 14px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-mark { width: 34px; height: 52px; flex-shrink: 0; }
.logo-word {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--navy);
    line-height: 1;
}
.logo-fi { color: var(--green); }
.logo-word-reverse { color: var(--white); }

.nav-desktop { margin-left: auto; }
.nav-list {
    display: flex;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-link {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.98rem;
    color: var(--navy);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 999px;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.nav-link:hover { background: var(--green-tint); color: var(--navy); }
.nav-link.active { background: var(--navy); color: var(--white); }

.header-actions { display: flex; align-items: center; gap: 8px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px; height: 44px;
    padding: 10px;
    background: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    cursor: pointer;
}
.hamburger-line {
    display: block;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile { border-top: 1px solid var(--line); background: var(--white); }
.mobile-nav-list { list-style: none; margin: 0; padding: 12px 24px 20px; }
.mobile-nav-link {
    display: block;
    padding: 12px 4px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--navy);
    text-decoration: none;
    border-bottom: 1px solid var(--foam);
}
.mobile-nav-link.active { color: var(--green-deep); }
.mobile-nav-link.mobile-cta { color: var(--green-deep); font-weight: 700; }

/* ---------- Stream motif (signature) ---------- */
.stream-line {
    fill: none;
    stroke: var(--green);
    stroke-width: 2.5;
    stroke-linecap: round;
}
.stream-line-1 { opacity: 0.55; }
.stream-line-2 { opacity: 0.30; stroke-width: 2; }
.stream-line-3 { opacity: 0.16; stroke-width: 1.5; }

@media (prefers-reduced-motion: no-preference) {
    .stream-line {
        stroke-dasharray: 2400;
        stroke-dashoffset: 2400;
        animation: stream-flow 2.4s cubic-bezier(0.25, 0.6, 0.35, 1) forwards;
    }
    .stream-line-2 { animation-delay: 0.25s; }
    .stream-line-3 { animation-delay: 0.5s; }
}
@keyframes stream-flow {
    to { stroke-dashoffset: 0; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 55%, var(--navy-ink) 100%);
    color: var(--white);
    overflow: hidden;
}
.hero-stream {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
    gap: 64px;
    align-items: center;
    padding-top: 96px;
    padding-bottom: 104px;
}
.hero h1 {
    color: var(--white);
    margin-bottom: 0.5em;
}
.text-stream { color: var(--green); white-space: nowrap; }
.hero-sub {
    font-size: 1.13rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 34rem;
    margin-bottom: 2em;
}

.hero-phones { display: flex; flex-wrap: wrap; gap: 14px; }
.phone-chip {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    text-decoration: none;
    transition: border-color 0.18s ease, background-color 0.18s ease;
}
.phone-chip:hover { border-color: var(--green); background: rgba(152, 202, 67, 0.12); }
.phone-chip-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
}
.phone-chip-number {
    font-family: var(--font-display);
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--white);
}

.hero-card {
    background: var(--white);
    color: var(--navy);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 36px 32px;
}
.hero-card-title { margin-bottom: 0.35em; font-size: 1.45rem; }
.hero-card-sub { color: var(--slate); font-size: 0.95rem; margin-bottom: 1.6em; }
.hero-card .btn-block { margin-bottom: 12px; }
.hero-card .btn-outline { border-color: var(--navy); color: var(--navy); }
.hero-card .btn-outline:hover { background: var(--navy); color: var(--white); }
.hero-card-note {
    font-size: 0.85rem;
    color: var(--slate);
    margin: 18px 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--foam);
}

/* ---------- Pillars ---------- */
.section-pillars { background: var(--white); }
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.pillar {
    padding: 32px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.pillar:hover {
    border-color: var(--green);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.pillar h3 { margin-bottom: 0.5em; }
.pillar-word {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    border-bottom: 3px solid var(--green);
    padding-bottom: 4px;
}
.pillar p { color: var(--slate); margin: 0; }

/* ---------- Steps ---------- */
.section-steps { background: var(--foam); }
.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    counter-reset: step;
}
.step {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}
.step-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--green);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}
.step h3 { margin-bottom: 0.4em; }
.step p { color: var(--slate); margin: 0; font-size: 0.97rem; }

.steps-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 52px;
}

/* ---------- Partners ---------- */
.section-partners { background: var(--white); }
.partners-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
}
.partners-copy p { color: var(--slate); }
.partners-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }

.partners-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}
.partners-list li {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--navy);
    background: var(--green-tint);
    border-left: 4px solid var(--green);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 18px 24px;
}

/* ---------- FAQ ---------- */
.section-faq-teaser { background: var(--foam); }
.faq-list { display: grid; gap: 14px; max-width: 800px; }

.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: var(--green); }
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 52px 18px 22px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--green-deep);
    transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-answer { padding: 0 22px 18px; color: var(--slate); }
.faq-answer p { margin: 0; }

.faq-more { margin-top: 28px; }
.faq-more a {
    font-family: var(--font-display);
    font-weight: 600;
    text-decoration: none;
}
.faq-more a:hover { text-decoration: underline; }

/* FAQ page */
.section-faq-page { background: var(--white); }
.faq-page-cta {
    margin-top: 64px;
    padding: 40px 36px;
    background: var(--foam);
    border-radius: var(--radius-lg);
    text-align: center;
}
.faq-page-cta p { color: var(--slate); }
.faq-page-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
    color: var(--white);
    padding: 72px 0 64px;
}
.page-hero h1 { color: var(--white); margin-bottom: 0.4em; }
.page-hero-sub {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.1rem;
    max-width: 40rem;
    margin-bottom: 0;
}
.page-hero-sub a { color: var(--green); }
.page-hero-sub a:hover { color: var(--white); }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.page-hero-actions .btn-ghost-dark { border-color: rgba(255,255,255,0.4); color: var(--white); }
.page-hero-actions .btn-ghost-dark:hover { border-color: var(--green); color: var(--green); }

/* ---------- Contact ---------- */
.section-contact { background: var(--white); }
.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr);
    gap: 64px;
    align-items: start;
}

.contact-form { margin-top: 8px; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-field { margin-bottom: 20px; }
.form-field label {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 6px;
}
.req { color: var(--green-deep); }
.form-field input,
.form-field textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--navy);
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(152, 202, 67, 0.25);
}
.form-field textarea { resize: vertical; min-height: 140px; }

.form-notice {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 0.97rem;
}
.form-notice ul { margin: 0; padding-left: 20px; }
.form-notice-success {
    background: var(--green-tint);
    border: 1px solid var(--green);
    color: var(--green-deep);
}
.form-notice-error {
    background: #FBEFEC;
    border: 1px solid #D9765B;
    color: #A03C22;
}

.contact-info-col h2 { font-size: 1.4rem; }
.contact-card {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    margin-bottom: 18px;
}
.contact-card h3 {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--slate);
    margin-bottom: 12px;
}
.contact-card p { margin-bottom: 10px; }
.contact-card p:last-child { margin-bottom: 0; }
.contact-phone {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    text-decoration: none;
}
.contact-card-accent { background: var(--green-tint); border-color: var(--green); }
.contact-card-accent p { color: var(--slate); font-size: 0.95rem; }

/* ---------- CTA band ---------- */
.cta-band {
    position: relative;
    background: linear-gradient(150deg, var(--navy-deep) 0%, var(--navy-ink) 100%);
    color: var(--white);
    overflow: hidden;
}
.cta-stream {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.cta-band-inner {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding-top: 64px;
    padding-bottom: 64px;
}
.cta-band h2 { color: var(--white); margin-bottom: 0.2em; }
.cta-band-text p { color: rgba(255, 255, 255, 0.78); margin: 0; }
.cta-band-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--navy-ink);
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.95rem;
}
.footer-main { padding: 64px 0 48px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
}
.footer-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 16px;
}
.footer-logo-link .logo-mark { width: 30px; height: 46px; }
.footer-tagline { color: var(--green); font-family: var(--font-display); font-weight: 500; }
.footer-contact-info p { margin-bottom: 12px; }

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 18px;
}
.footer-nav { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { color: rgba(255, 255, 255, 0.78); text-decoration: none; }
.footer-nav a:hover { color: var(--green); }
.footer-contact-list li { margin-bottom: 14px; }
.footer-contact-list strong { color: var(--white); font-weight: 600; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); }
.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 0.85rem;
}
.footer-copyright { margin: 0; }

/* ---------- Scroll reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(18px);
        transition: opacity 0.55s ease, transform 0.55s ease;
    }
    .reveal.revealed { opacity: 1; transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1020px) {
    .hero-inner { grid-template-columns: 1fr; gap: 48px; padding-top: 64px; padding-bottom: 72px; }
    .hero-card { max-width: 480px; }
    .partners-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .pillar-grid, .steps { grid-template-columns: 1fr; gap: 24px; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 860px) {
    .nav-desktop, .header-actions { display: none; }
    .nav-toggle { display: flex; margin-left: auto; }
    .topbar-left { display: none; }
    .topbar-inner { justify-content: center; }
    .section { padding: 64px 0; }
}

@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .hero-card { padding: 28px 22px; }
    .cta-band-inner { padding-top: 48px; padding-bottom: 48px; }
}