/* __WHITEPAGE_V9__ site=notebooklm.gr.com generated=2026-04-21 palette=deep-violet+coral */

:root {
  --primary: #4C3BCF;
  --primary-deep: #1A1040;
  --primary-light: #6952E4;
  --accent: #FF8C5A;
  --accent-soft: #FFB491;
  --ink: #0D0824;
  --muted: #4D4866;
  --line: #E6E1F5;
  --bg: #FCFBFF;
  --bg-alt: #F3F0FF;
  --bg-dark: #1A1040;
  --white: #FFFFFF;
  --success: #2FAE6B;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }

/* === Objects (.o-) === */
.o-container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.o-container--narrow { max-width: 920px; }
.o-grid { display: grid; gap: 32px; }
.o-grid--2 { grid-template-columns: repeat(2, 1fr); }
.o-grid--3 { grid-template-columns: repeat(3, 1fr); }
.o-grid--4 { grid-template-columns: repeat(4, 1fr); }
.o-flex { display: flex; align-items: center; gap: 16px; }
.o-flex--between { justify-content: space-between; }
.o-flex--wrap { flex-wrap: wrap; }
@media (max-width: 960px) {
  .o-grid--2, .o-grid--3, .o-grid--4 { grid-template-columns: 1fr; }
}

/* === Utilities (.u-) === */
.u-text-center { text-align: center; }
.u-mt-xl { margin-top: 64px; }
.u-mb-xl { margin-bottom: 64px; }
.u-color-accent { color: var(--accent); }
.u-color-primary { color: var(--primary); }
.u-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 760px) { .u-hide-mobile { display: none; } }

/* === Component: Header === */
.c-header {
  position: sticky; top: 0;
  background: rgba(252,251,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  padding: 14px 0;
}
.c-header__row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.c-header__brand { font-weight: 800; font-size: 20px; color: var(--primary-deep); text-decoration: none; letter-spacing: -0.01em; }
.c-header__brand em { color: var(--accent); font-style: normal; }
.c-header__nav { display: flex; gap: 6px; flex-wrap: wrap; }
.c-header__nav a {
  display: inline-block;
  padding: 7px 14px;
  background: var(--bg-alt);
  border-radius: var(--radius-pill);
  color: var(--primary-deep);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.12s, color 0.12s;
}
.c-header__nav a:hover { background: var(--primary); color: var(--white); }
.c-header__cta {
  background: var(--primary); color: var(--white);
  padding: 10px 20px; border-radius: var(--radius-pill);
  text-decoration: none; font-weight: 700; font-size: 14px;
  white-space: nowrap;
}
.c-header__cta:hover { background: var(--primary-deep); }

/* === Component: Hero === */
.c-hero {
  position: relative;
  padding: 80px 0 90px;
  background: linear-gradient(135deg, #4C3BCF 0%, #6952E4 55%, #FF8C5A 100%);
  color: var(--white);
  overflow: hidden;
}
.c-hero--large { padding: 110px 0 130px; }
.c-hero--inverted { background: linear-gradient(135deg, #1A1040 0%, #4C3BCF 100%); }
.c-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(255,140,90,0.45), transparent 55%),
    radial-gradient(circle at 15% 75%, rgba(76,59,207,0.55), transparent 50%);
  pointer-events: none;
}
.c-hero::after {
  content: ""; position: absolute; bottom: -60px; right: -80px;
  width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
  pointer-events: none;
}
.c-hero__inner { position: relative; z-index: 1; }
.c-hero__title {
  font-size: clamp(2.3rem, 4.8vw, 4rem);
  font-weight: 800;
  line-height: 1.06;
  margin: 0 0 20px;
  max-width: 900px;
  letter-spacing: -0.02em;
}
.c-hero__lead {
  font-size: 1.18rem;
  max-width: 700px;
  line-height: 1.55;
  margin: 0 0 32px;
  color: rgba(255,255,255,0.92);
}
.c-hero__cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 54px; }
.c-hero__cta-primary {
  background: var(--white); color: var(--primary-deep);
  padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 700;
  text-decoration: none; font-size: 15px;
}
.c-hero__cta-ghost {
  background: transparent; color: var(--white);
  padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 700;
  border: 1.5px solid rgba(255,255,255,0.55);
  text-decoration: none; font-size: 15px;
}
.c-hero__features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin-top: 40px;
}
@media (max-width: 880px) { .c-hero__features { grid-template-columns: 1fr; } }
.c-hero__feature {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 22px 24px;
  border-radius: var(--radius-md);
}
.c-hero__feature h3 { margin: 0 0 8px; font-size: 1.08rem; color: var(--accent-soft); font-weight: 700; }
.c-hero__feature p { margin: 0; font-size: 0.95rem; color: rgba(255,255,255,0.88); line-height: 1.55; }

/* === Component: Trust (press-style monochrome) === */
.c-trust {
  padding: 36px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.c-trust__label { text-align: center; color: var(--muted); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 18px; font-weight: 600; }
.c-trust__row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 28px; align-items: center; opacity: 0.68; }
.c-trust__logo {
  font-weight: 700; color: var(--muted);
  font-size: 1.05rem; letter-spacing: 0.02em;
}
.c-trust__logo em { font-style: italic; color: var(--primary); font-weight: 700; }
.c-trust__logo strong { font-weight: 800; }

/* === Component: Zigzag === */
.c-zigzag { padding: 60px 0 30px; }
.c-zigzag__item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  padding: 50px 0;
}
.c-zigzag__item--reverse .c-zigzag__visual { order: 2; }
@media (max-width: 880px) {
  .c-zigzag__item, .c-zigzag__item--reverse { grid-template-columns: 1fr; gap: 30px; padding: 30px 0; }
  .c-zigzag__item--reverse .c-zigzag__visual { order: 0; }
}
.c-zigzag__visual {
  aspect-ratio: 4/3; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  position: relative; overflow: hidden;
  box-shadow: 0 20px 50px rgba(76,59,207,0.2);
}
.c-zigzag__visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-zigzag__visual::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25), transparent 55%);
}
.c-zigzag__text h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 0 0 14px; color: var(--primary-deep); font-weight: 800; line-height: 1.15; letter-spacing: -0.015em; }
.c-zigzag__text .zigzag-snippet { font-size: 1.05rem; color: var(--muted); margin-bottom: 18px; font-weight: 500; }
.c-zigzag__text p { margin: 0 0 14px; color: var(--ink); line-height: 1.7; }
.c-zigzag__text a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.c-zigzag__list { margin: 6px 0 18px 22px; color: var(--ink); line-height: 1.75; }
.c-zigzag__list li { margin-bottom: 6px; }

/* === Component: Quotes Scroll === */
.c-quotes-scroll { padding: 80px 0; background: var(--bg-alt); }
.c-quotes-scroll__title { text-align: center; margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--primary-deep); letter-spacing: -0.015em; }
.c-quotes-scroll__subtitle { text-align: center; color: var(--muted); margin: 0 0 36px; font-size: 1.02rem; }
.c-quotes-scroll__track {
  display: flex; gap: 22px; overflow-x: auto;
  scroll-snap-type: x mandatory; padding: 12px 24px 28px;
  scrollbar-width: thin; scrollbar-color: var(--primary) var(--bg-alt);
}
.c-quotes-scroll__track::-webkit-scrollbar { height: 8px; }
.c-quotes-scroll__track::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 999px; }
.c-quotes-scroll__card {
  flex: 0 0 360px;
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px; scroll-snap-align: start;
  border: 1px solid var(--line);
  box-shadow: 0 4px 18px rgba(26,16,64,0.05);
}
.c-quotes-scroll__card blockquote { margin: 0 0 18px; color: var(--ink); font-size: 1rem; line-height: 1.65; quotes: none; }
.c-quotes-scroll__attribution { color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.c-quotes-scroll__attribution strong { color: var(--primary-deep); font-weight: 700; display: block; margin-bottom: 2px; }

/* === Component: FAQ Scroll (plain, no accordion) === */
.c-faq-scroll { padding: 70px 0; }
.c-faq-scroll__title { margin: 0 0 8px; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--primary-deep); letter-spacing: -0.015em; }
.c-faq-scroll__intro { color: var(--muted); margin: 0 0 30px; max-width: 720px; font-size: 1.02rem; }
.c-faq-scroll__item {
  padding: 22px 0 22px;
  border-bottom: 1px solid var(--line);
}
.c-faq-scroll__item h3 {
  margin: 0 0 10px; font-size: 1.18rem; color: var(--primary-deep); font-weight: 700; line-height: 1.3;
}
.c-faq-scroll__item p { margin: 0 0 10px; color: var(--ink); line-height: 1.7; }
.c-faq-scroll__item p:last-child { margin-bottom: 0; }

/* === Component: CTA === */
.c-cta {
  margin: 60px 0; border-radius: 24px;
  background: linear-gradient(120deg, var(--primary-deep) 0%, var(--primary) 100%);
  color: var(--white); padding: 54px 40px; text-align: center;
  position: relative; overflow: hidden;
}
.c-cta::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  opacity: 0.35; pointer-events: none;
}
.c-cta h2 { margin: 0 0 14px; font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800; letter-spacing: -0.015em; position: relative; }
.c-cta p { max-width: 580px; margin: 0 auto 28px; color: rgba(255,255,255,0.92); line-height: 1.6; position: relative; }
.c-cta a {
  display: inline-block; background: var(--accent); color: var(--primary-deep);
  padding: 14px 32px; border-radius: var(--radius-pill); font-weight: 700;
  text-decoration: none; position: relative; font-size: 15px;
}
.c-cta a:hover { background: var(--accent-soft); }

/* === Anchor prose (V9 cluster-anchor mechanism) === */
.anchor-prose { padding: 70px 0; background: var(--bg-alt); }
.anchor-prose h2 { margin: 0 0 24px; font-size: clamp(1.5rem, 2.8vw, 1.9rem); color: var(--primary-deep); font-weight: 800; letter-spacing: -0.015em; }
.anchor-prose p { font-size: 1.02rem; line-height: 1.85; color: var(--ink); margin: 0 0 18px; max-width: 1040px; }
.anchor-prose a { color: var(--primary); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.anchor-prose a:hover { color: var(--accent); }
.anchor-prose strong { color: var(--primary-deep); }

/* === Component: Footer (icon+text nav, 4-col) === */
.c-footer {
  background: var(--primary-deep); color: var(--white);
  padding: 70px 0 28px;
}
.c-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
@media (max-width: 880px) { .c-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .c-footer__grid { grid-template-columns: 1fr; } }
.c-footer__col h4 { margin: 0 0 16px; font-size: 1rem; font-weight: 700; color: var(--accent); letter-spacing: 0.02em; }
.c-footer__brand { font-size: 1.3rem; font-weight: 800; margin: 0 0 12px; }
.c-footer__brand em { color: var(--accent); font-style: normal; }
.c-footer__blurb { color: rgba(255,255,255,0.78); font-size: 0.94rem; line-height: 1.6; margin: 0 0 16px; }
.c-footer__col a {
  display: flex; gap: 10px; color: rgba(255,255,255,0.82);
  text-decoration: none; margin-bottom: 9px; font-size: 0.93rem; align-items: center;
}
.c-footer__col a:hover { color: var(--accent); }
.c-footer__col a::before {
  content: ""; width: 12px; height: 12px; border-radius: 3px;
  background: var(--accent); opacity: 0.35; flex-shrink: 0;
  transition: opacity 0.12s;
}
.c-footer__col a:hover::before { opacity: 1; }
.c-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255,255,255,0.6); font-size: 0.86rem;
}
.c-footer__bottom a { color: rgba(255,255,255,0.78); text-decoration: none; }
.c-footer__bottom a:hover { color: var(--accent); }
.c-footer__legal { display: flex; gap: 18px; flex-wrap: wrap; }

/* === Breadcrumbs === */
.c-breadcrumbs { padding: 20px 0; font-size: 14px; color: var(--muted); border-bottom: 1px solid var(--line); background: var(--white); }
.c-breadcrumbs a { color: var(--primary); text-decoration: none; }
.c-breadcrumbs a:hover { text-decoration: underline; }
.c-breadcrumbs span.sep { margin: 0 8px; color: var(--line); }
.c-breadcrumbs span.current { color: var(--muted); }

/* === Sub-page article === */
.c-article { padding: 50px 0 60px; }
.c-article h1 { font-size: clamp(1.9rem, 3.8vw, 2.7rem); font-weight: 800; color: var(--primary-deep); line-height: 1.15; margin: 0 0 20px; letter-spacing: -0.02em; }
.c-article .lead-callout {
  background: var(--bg-alt); border-left: 4px solid var(--accent);
  padding: 22px 26px; border-radius: var(--radius-md); margin: 30px 0;
}
.c-article .lead-callout h3 { margin: 0 0 10px; color: var(--primary); font-size: 1.08rem; font-weight: 700; }
.c-article .lead-callout p { margin: 0; color: var(--ink); line-height: 1.65; }
.c-article h2 { margin: 44px 0 14px; font-size: 1.7rem; color: var(--primary-deep); font-weight: 800; letter-spacing: -0.015em; }
.c-article h3 { margin: 28px 0 10px; font-size: 1.22rem; color: var(--primary-deep); font-weight: 700; }
.c-article p { margin: 0 0 16px; line-height: 1.75; color: var(--ink); font-size: 1.02rem; }
.c-article ul, .c-article ol { margin: 0 0 20px 24px; line-height: 1.75; }
.c-article ul li, .c-article ol li { margin-bottom: 6px; }
.c-article table {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  font-size: 0.96rem; background: var(--white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: 0 2px 12px rgba(26,16,64,0.05);
}
.c-article table th {
  background: var(--primary); color: var(--white);
  padding: 14px 18px; text-align: left; font-weight: 700;
}
.c-article table td { padding: 12px 18px; border-top: 1px solid var(--line); color: var(--ink); }
.c-article table tr:nth-child(even) td { background: var(--bg-alt); }
.c-article a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

.c-related {
  background: var(--bg-alt); border-radius: var(--radius-lg);
  padding: 32px; margin: 50px 0 20px;
}
.c-related h3 { margin: 0 0 20px; color: var(--primary-deep); font-size: 1.22rem; font-weight: 700; }
.c-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .c-related__grid { grid-template-columns: 1fr; } }
.c-related__grid a {
  display: block; background: var(--white); padding: 14px 18px; border-radius: var(--radius-sm);
  color: var(--primary-deep); text-decoration: none; font-weight: 500;
  border: 1px solid var(--line);
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.c-related__grid a:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* State */
.is-active { font-weight: 700; color: var(--accent) !important; }
.is-hidden { display: none !important; }

/* Perf */
.c-quotes-scroll, .c-faq-scroll, .anchor-prose, .c-footer { content-visibility: auto; contain-intrinsic-size: 800px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Focus visible */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* Print */
@media print {
  .c-header, .c-hero, .c-cta, .c-footer, .c-quotes-scroll { break-inside: avoid; }
  .c-header, .c-footer, .c-quotes-scroll { display: none !important; }
  body { color: #000; background: #fff; }
  .c-article a { color: #000; text-decoration: underline; }
}