/* ============================================================
   KIPPIA — Design System Shared Stylesheet
   kippia.css · Version 2.1 — Full Responsive
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --black:       #0A0A0A;
    --white:       #FFFFFF;
    --orange:      #FF5500;
    --orange-dark: #E04B00;
    --gray-light:  #F5F5F5;
    --gray-mid:    #BBBBBB;
    --ff-display:  'Bebas Neue', sans-serif;
    --ff-body:     'Inter', sans-serif;
    --ease:        cubic-bezier(0.4, 0, 0.2, 1);
    --t:           0.35s;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--ff-body);
    background: var(--white);
    color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { background: none; border: none; font: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

/* ── Container ── */
.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 56px;
}

/* ── Reveal animations ── */
.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: .08s; }
.d2 { transition-delay: .18s; }
.d3 { transition-delay: .28s; }
.d4 { transition-delay: .38s; }
.d5 { transition-delay: .48s; }

/* ── Mobile Menu ── */
.mob-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
}
.mob-menu.open { display: flex; }
.mob-menu a {
    font-family: var(--ff-display);
    font-size: clamp(36px, 7vw, 52px);
    letter-spacing: .08em;
    color: var(--white);
    text-transform: uppercase;
    transition: color var(--t);
}
.mob-menu a:hover,
.mob-menu a[aria-current="page"] { color: var(--orange); }
.mob-close {
    position: absolute;
    top: 28px;
    right: 28px;
    font-size: 28px;
    color: rgba(255,255,255,.5);
    line-height: 1;
    padding: 8px;
}
.mob-close:hover { color: var(--white); }

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 28px 0;
    transition: padding var(--t) var(--ease), background var(--t) var(--ease);
}
.navbar.scrolled,
.navbar.solid {
    padding: 16px 0;
    background: rgba(10,10,10,.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Logo */
.nav-logo { display: flex; flex-direction: column; gap: 2px; flex-shrink: 0; }
.nav-logo__mark {
    font-family: var(--ff-display);
    font-size: 28px;
    letter-spacing: .18em;
    color: var(--white);
    line-height: 1;
}
.nav-logo__mark .acc { color: var(--orange); }
.nav-logo__sub {
    font-size: 9px;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: rgba(255,255,255,.3);
}

/* Nav links */
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.6);
    position: relative;
    transition: color var(--t);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0;
    width: 0; height: 1.5px;
    background: var(--orange);
    transition: width var(--t) var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--white); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { width: 100%; }

/* CTA nav button */
.nav-cta {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--orange);
    border: 2px solid var(--orange);
    padding: 12px 26px;
    flex-shrink: 0;
    transition: background var(--t), color var(--t);
}
.nav-cta:hover { background: transparent; color: var(--orange); }

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: transform var(--t), opacity var(--t);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ff-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    padding: 17px 40px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
    white-space: nowrap;
}
.btn--white-fill   { background: var(--white);  color: var(--black); border-color: var(--white); }
.btn--white-fill:hover  { background: transparent; color: var(--white); }
.btn--orange-fill  { background: var(--orange); color: var(--white); border-color: var(--orange); }
.btn--orange-fill:hover { background: var(--orange-dark); border-color: var(--orange-dark); }
.btn--black-fill   { background: var(--black);  color: var(--white); border-color: var(--black); }
.btn--black-fill:hover  { background: transparent; color: var(--black); }
.btn--white-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn--white-outline:hover { background: var(--white); color: var(--black); }
.btn--orange-outline { background: transparent; color: var(--orange); border-color: var(--orange); }
.btn--orange-outline:hover { background: var(--orange); color: var(--white); }

/* ── Section utilities ── */
.section-kicker {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .26em;
    text-transform: uppercase;
    color: rgba(10,10,10,.32);
    margin-bottom: 14px;
}
.section-kicker--light { color: rgba(255,255,255,.32); }

.section-h2 {
    font-family: var(--ff-display);
    font-size: clamp(36px, 5.5vw, 88px);
    letter-spacing: .01em;
    text-transform: uppercase;
    line-height: .95;
}
.section-h2--white { color: var(--white); }

/* ── Page hero (inner pages) ── */
.page-hero {
    background: var(--black);
    padding: 148px 0 96px;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -150px; right: -150px;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,85,0,0.05) 0%, transparent 70%);
    pointer-events: none;
}
.page-hero__label,
.page-hero__kicker {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--orange);
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
}
.page-hero__label::before,
.page-hero__kicker::before {
    content: '';
    display: block;
    width: 32px; height: 1px;
    background: var(--orange);
}
.page-hero__title,
.page-hero__h1 {
    font-family: var(--ff-display);
    font-size: clamp(46px, 9vw, 136px);
    line-height: .88;
    letter-spacing: .01em;
    text-transform: uppercase;
    color: var(--white);
}
.page-hero__title .acc,
.page-hero__h1 .acc  { color: var(--orange); }
.page-hero__title .blk,
.page-hero__h1 .blk  {
    display: inline-block;
    background: var(--orange);
    color: var(--white);
    padding: 2px 14px 4px;
    line-height: 1;
}
.page-hero__desc,
.page-hero__sub {
    margin-top: 36px;
    font-size: clamp(14px, 1.5vw, 18px);
    font-weight: 300;
    color: rgba(255,255,255,.4);
    line-height: 1.65;
    max-width: 480px;
}
.page-hero__desc strong,
.page-hero__sub strong { color: rgba(255,255,255,.78); font-weight: 500; }

/* ── Panel utilities ── */
.panel-kicker {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .28em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.panel-kicker--light { color: rgba(255,255,255,.5); }
.panel-kicker--dark  { color: rgba(10,10,10,.35); }

.panel-h2 {
    font-family: var(--ff-display);
    font-size: clamp(32px, 4.5vw, 76px);
    letter-spacing: .01em;
    text-transform: uppercase;
    line-height: .95;
    margin-bottom: 22px;
}
.panel-h2--light { color: var(--white); }
.panel-h2--dark  { color: var(--black); }

.panel-copy {
    font-size: 15px;
    line-height: 1.72;
    margin-bottom: 36px;
}
.panel-copy--light { color: rgba(255,255,255,.72); }
.panel-copy--dark  { color: rgba(10,10,10,.48); }

/* ── Forms ── */
.f-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 22px;
    margin-bottom: 28px;
}
.f-group { display: flex; flex-direction: column; gap: 7px; }
.f-group--full { grid-column: 1 / -1; }

.f-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(10,10,10,.4);
}
.f-input,
.f-select,
.f-textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--ff-body);
    font-size: 14px;
    color: var(--black);
    background: var(--gray-light);
    border: 1.5px solid transparent;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
    transition: border-color var(--t), background var(--t);
}
.f-input::placeholder,
.f-textarea::placeholder { color: rgba(10,10,10,.25); }
.f-input:focus,
.f-select:focus,
.f-textarea:focus { border-color: var(--orange); background: var(--white); }

.f-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A0A0A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    padding-right: 42px;
    cursor: pointer;
}
.f-textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
.f-submit { margin-top: 8px; }

/* ── Footer ── */
.footer {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,.05);
}
.footer-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 64px 0;
}
.footer-logo__mark {
    font-family: var(--ff-display);
    font-size: 32px;
    letter-spacing: .14em;
    color: var(--white);
    line-height: 1;
    display: block;
}
.footer-logo__mark .acc { color: var(--orange); }
.footer-logo__sub {
    display: block;
    font-size: 9px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(255,255,255,.22);
    margin-top: 4px;
}
.footer-center { text-align: center; }
.footer-city {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: rgba(255,255,255,.28);
    margin-bottom: 8px;
}
.footer-entities {
    font-size: 10.5px;
    letter-spacing: .1em;
    color: rgba(255,255,255,.14);
}
.footer-entities strong { color: rgba(255,255,255,.32); font-weight: 600; }
.footer-social { display: flex; gap: 28px; }
.footer-social a {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: rgba(255,255,255,.26);
    transition: color var(--t);
}
.footer-social a:hover { color: var(--orange); }
.footer-base {
    border-top: 1px solid rgba(255,255,255,.05);
    padding: 20px 0;
    text-align: center;
}
.footer-copy {
    font-size: 9px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.11);
}

/* ── CTA / Conversion Strip ── */
.cta-strip {
    background: var(--black);
    padding: 96px 0;
}
.cta-strip__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
}
.cta-strip__title {
    font-family: var(--ff-display);
    font-size: clamp(32px, 4vw, 64px);
    letter-spacing: .01em;
    text-transform: uppercase;
    color: var(--white);
    line-height: .95;
}
.cta-strip__title .acc { color: var(--orange); }
.cta-strip__actions { display: flex; gap: 14px; flex-shrink: 0; }

/* ── Split panels (conversion section) ── */
.home-cta-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
}
.split-panel {
    padding: 96px 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    min-height: 480px;
}
.split-panel--dark    { background: var(--black); }
.split-panel--orange  { background: var(--orange); }
.split-panel--orange::before {
    content: attr(data-letter);
    position: absolute;
    bottom: -20px; right: -10px;
    font-family: var(--ff-display);
    font-size: 200px;
    line-height: 1;
    color: rgba(255,255,255,.07);
    pointer-events: none;
    letter-spacing: -.02em;
}
.split-panel__kicker {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .28em;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.split-panel__kicker--light { color: rgba(255,255,255,.45); }
.split-panel__kicker--dark  { color: rgba(10,10,10,.38); }
.split-panel__h2 {
    font-family: var(--ff-display);
    font-size: clamp(36px, 3.8vw, 64px);
    letter-spacing: .01em;
    text-transform: uppercase;
    line-height: .9;
    margin-bottom: 20px;
    color: var(--white);
}
.split-panel__copy {
    font-size: 14px;
    line-height: 1.72;
    margin-bottom: 36px;
    color: rgba(255,255,255,.48);
}
.split-panel__copy--white { color: rgba(255,255,255,.68); }

/* ── Brand stats grid ── */
.brand-stats { display: flex; flex-direction: column; gap: 32px; margin-bottom: 40px; }
.brand-stat__val {
    font-family: var(--ff-display);
    font-size: clamp(36px, 4vw, 64px);
    letter-spacing: .01em;
    color: var(--white);
    line-height: 1;
}
.brand-stat__lbl {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(10,10,10,.55);
    margin-top: 4px;
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */

/* ── 1100px — Large tablet / small desktop ── */
@media (max-width: 1100px) {
    .container { padding: 0 36px; }
    .split-panel { padding: 80px 52px; }
    .cta-strip__inner { gap: 28px; }
}

/* ── 900px — Tablet / Mobile ── */
@media (max-width: 900px) {
    /* Nav → hamburger */
    .nav-links, .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    /* Always show dark nav background on mobile (hamburger needs contrast) */
    .navbar { background: rgba(10,10,10,.96) !important; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding: 16px 0; }
    /* Hide subtitle — only mark "KIPPIA" */
    .nav-logo__sub { display: none; }

    /* Page hero */
    .page-hero { padding: 112px 0 72px; }
    .page-hero__title,
    .page-hero__h1 { font-size: clamp(42px, 9vw, 96px); }

    /* Split panels → stack */
    .home-cta-split { grid-template-columns: 1fr; }
    .split-panel { padding: 72px 36px; min-height: auto; }
    .split-panel--orange::before { font-size: 140px; }

    /* CTA strip → stack */
    .cta-strip__inner { grid-template-columns: 1fr; gap: 28px; }
    .cta-strip__actions { flex-wrap: wrap; }

    /* Footer */
    .footer-main { flex-wrap: wrap; gap: 32px; }
    .footer-center { order: 3; text-align: left; width: 100%; }
    .footer-social { flex-wrap: wrap; gap: 20px; }
}

/* ── 640px — Phone landscape / large phone ── */
@media (max-width: 640px) {
    .container { padding: 0 24px; }

    /* Typography scale-down */
    .page-hero__title,
    .page-hero__h1 { font-size: clamp(38px, 10.5vw, 64px); }
    .page-hero { padding: 100px 0 60px; }

    .section-h2 { font-size: clamp(30px, 9vw, 48px); }
    .panel-h2   { font-size: clamp(26px, 8vw, 40px); }
    .split-panel__h2 { font-size: clamp(28px, 8.5vw, 48px); }
    .cta-strip__title { font-size: clamp(26px, 8.5vw, 44px); }

    /* Split panels */
    .split-panel { padding: 64px 24px; }

    /* Forms */
    .f-grid { grid-template-columns: 1fr; gap: 0 0; }
    .f-group--full { grid-column: 1; }
    .f-group { margin-bottom: 14px; }

    /* Buttons */
    .btn { padding: 15px 28px; font-size: 10px; }
    .cta-strip__actions { flex-direction: column; }

    /* Footer */
    .footer-main { padding: 48px 0; }
    .footer-social { gap: 18px; }
}

/* ── 480px — Standard phone ── */
@media (max-width: 480px) {
    .page-hero__title,
    .page-hero__h1 { font-size: clamp(34px, 10vw, 52px); }
    .page-hero__desc,
    .page-hero__sub { font-size: 14px; margin-top: 24px; }

    .section-h2 { font-size: clamp(28px, 8.5vw, 40px); }
    .panel-h2   { font-size: clamp(24px, 7.5vw, 34px); }
    .split-panel__h2 { font-size: clamp(26px, 7.5vw, 38px); }
    .cta-strip__title { font-size: clamp(24px, 7.5vw, 36px); }

    .footer-center { display: none; }
    .nav-logo__mark { font-size: 24px; }
    .nav-logo__sub { display: none; }
}