/* TODO: Regularly remove unused CSS and minify this file for optimal performance. */
/* =========================================================
   Trysella – Main Stylesheet
   ========================================================= */

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

:root {
  --color-bg: #0a0f1e;
  --color-surface: #111827;
  --color-surface-2: #1a2236;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #f1f5f9;
  --color-muted: #94a3b8;
  --color-primary: #6366f1;
  --color-primary-h: #818cf8;
  --color-grad-a: #6366f1;
  --color-grad-b: #8b5cf6;
  --radius-card: 1rem;
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.35);
  --transition: 0.25s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}
img,
svg {
  display: block;
}
ul {
  list-style: none;
}

/* ----- Utilities ----- */
.container {
  width: min(100%, var(--max-w));
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
}

.section {
  padding-block: clamp(4rem, 10vw, 7rem);
}

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

.gradient-text {
  background: linear-gradient(135deg, var(--color-grad-a), var(--color-grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-weight: 600;
  border-radius: 0.625rem;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  border: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-grad-a), var(--color-grad-b));
  color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}
.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-h);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary-h);
  padding-inline: 0;
  font-size: 0.9rem;
}
.btn--ghost:hover {
  color: #fff;
}

.btn--sm {
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
}
.btn--lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}
.btn--full {
  width: 100%;
  justify-content: center;
}

/* ----- Navbar ----- */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1rem;
  transition:
    background var(--transition),
    backdrop-filter var(--transition),
    box-shadow var(--transition),
    padding var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
  padding-block: 0.75rem;
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar__logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.logo-try {
  color: var(--color-primary-h);
}
.logo-sella {
  color: var(--color-text);
}

.navbar__links {
  display: flex;
  gap: 2rem;
  margin-inline-start: auto;
}

.navbar__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
}
.navbar__links a:hover {
  color: var(--color-text);
}

.navbar__cta {
  margin-inline-start: 1rem;
}

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-inline-start: auto;
  padding: 0.25rem;
}
.navbar__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

/* burger → X */
.navbar__burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__burger.open span:nth-child(2) {
  opacity: 0;
}
.navbar__burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Hero ----- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(8rem, 18vw, 11rem) clamp(4rem, 10vw, 7rem);
  text-align: center;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.shape--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  top: -200px;
  left: -150px;
}
.shape--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: 50px;
  right: -100px;
}
.shape--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  bottom: -100px;
  left: 40%;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: var(--color-primary-h);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 820px;
  margin: 0 auto 1.25rem;
}

.hero__subtitle {
  font-size: clamp(0.9375rem, 2.2vw, 1.125rem);
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.25rem 2.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat__num {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}
.stat__label {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}
.stat__divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ----- Section header ----- */
.section__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section__badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--color-primary-h);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
}

.section__subtitle {
  font-size: clamp(0.9rem, 1.8vw, 1.0625rem);
  color: var(--color-muted);
  max-width: 580px;
  margin-inline: auto;
}

/* ----- Products section ----- */
.products {
  background: var(--color-bg);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* ----- Platform footer (bundle CTA below the grid) ----- */
.platform__footer {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}
.platform__footer-note {
  max-width: 48rem;
  color: var(--color-muted);
  font-size: 1.0625rem;
  line-height: 1.6;
  margin: 0;
}

/* ----- Product Card ----- */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--shadow-card);
}

.product-card--wide {
  grid-column: span 2;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1.5rem;
}
.product-card--wide .product-card__features {
  flex-basis: 45%;
}
.product-card--wide .btn--ghost {
  margin-top: auto;
}

.product-card__icon-wrap {
  width: 52px;
  height: 52px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-card__icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.product-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  flex: 1;
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.product-card__features li {
  font-size: 0.875rem;
  color: var(--color-muted);
  padding-inline-start: 1.25rem;
  position: relative;
}
.product-card__features li::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-primary-h);
  font-weight: 700;
}

/* ----- Why Trysella ----- */
.why {
  background: var(--color-surface);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.why-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition:
    transform var(--transition),
    border-color var(--transition);
}
.why-card:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.3);
}

.why-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.why-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary-h);
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.why-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ----- CTA / Contact ----- */
.cta {
  background: var(--color-bg);
}

.cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
}

.cta__text h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.cta__text p {
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.cta__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 0.625rem;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}
.form-group input.is-error,
.form-group textarea.is-error {
  border-color: #f87171;
}

.form-note {
  font-size: 0.875rem;
  text-align: center;
  min-height: 1.2em;
  color: var(--color-muted);
}
.form-note.success {
  color: #34d399;
}
.form-note.error {
  color: #f87171;
}

/* ----- Login Modal ----- */
.navbar__login {
  margin-inline-start: 0.5rem;
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.login-overlay[hidden] {
  display: none;
}

.login-modal {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  width: min(420px, 90vw);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.login-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
  transition: color var(--transition);
}
.login-modal__close:hover {
  color: var(--color-text);
}

.login-modal .login-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.login-modal__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.login-modal__subtitle {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.login-modal__form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-modal__input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text);
  font-family: var(--font);
  font-size: 0.9375rem;
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}
.login-modal__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.login-modal__input.is-error {
  border-color: #f87171;
}

.login-modal__error {
  font-size: 0.8125rem;
  color: #f87171;
  min-height: 1.25rem;
}

/* ----- Footer ----- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: 3.5rem;
}

.footer__inner {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.footer__brand {
  flex: 1;
  min-width: 200px;
}
.footer__brand p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer__nav {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  flex: 2;
  justify-content: space-between;
}

.footer__col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer__col li a {
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color var(--transition);
}
.footer__col li a:hover {
  color: var(--color-text);
}

.footer__bottom {
  padding-block: 1.25rem;
  text-align: center;
}
.footer__bottom p {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* ----- Inner pages (privacy / terms / support) ----- */
.page-hero {
  padding-block: clamp(7rem, 16vw, 10rem) clamp(3rem, 7vw, 5rem);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero__badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: var(--color-primary-h);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.25rem;
}

.page-hero__title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.875rem;
}

.page-hero__meta {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.page-content {
  padding-block: clamp(3rem, 8vw, 5rem);
  max-width: 820px;
  margin-inline: auto;
}

.page-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
  margin-top: 2.5rem;
  color: var(--color-text);
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.page-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.page-content ul li {
  font-size: 0.9375rem;
  color: var(--color-muted);
  padding-inline-start: 1.5rem;
  position: relative;
}

.page-content ul li::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-primary-h);
  font-weight: 700;
}

.page-content a {
  color: var(--color-primary-h);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-content a:hover {
  color: #fff;
}

.page-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: 2.5rem;
}

/* ----- Support page ----- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

.support-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition:
    transform var(--transition),
    border-color var(--transition);
}

.support-card:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.35);
}

.support-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.support-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary-h);
}

.support-card h3 {
  font-size: 1rem;
  font-weight: 700;
}
.support-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  flex: 1;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.faq-item__trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: left;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition);
}

.faq-item__trigger:hover {
  color: var(--color-primary-h);
}

.faq-item__trigger svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition);
  stroke: currentColor;
}

.faq-item.open .faq-item__trigger svg {
  transform: rotate(180deg);
}

.faq-item__body {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.35s ease,
    padding 0.35s ease;
}

.faq-item.open .faq-item__body {
  max-height: 400px;
  padding: 0 1.5rem 1.25rem;
}

/* ----- Scroll fade-in animation ----- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Responsive ----- */
@media (max-width: 900px) {
  .cta__inner {
    grid-template-columns: 1fr;
  }
  .product-card--wide {
    grid-column: span 1;
    flex-direction: column;
  }
  .product-card--wide .product-card__features {
    flex-basis: auto;
  }
  .footer__inner {
    flex-direction: column;
    gap: 2rem;
  }
  .footer__nav {
    flex-direction: column;
    gap: 2rem;
  }
  .footer__col {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .navbar__links,
  .navbar__cta,
  .navbar__login {
    display: none;
  }
  .navbar__links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    inset-block-start: calc(100% + 0.25rem);
    inset-inline: 0;
    background: rgba(10, 15, 30, 0.97);
    backdrop-filter: blur(24px);
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--color-border);
  }
  .navbar__links.open a {
    font-size: 1rem;
  }
  .navbar__burger {
    display: flex;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer__nav {
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero__stats {
    padding: 1rem 1.5rem;
    gap: 1rem;
  }
  .stat__divider {
    display: none;
  }
  .cta__inner {
    padding: 1.5rem;
  }
}