/* =========================================================
   sections.css — All content sections below the hero
   ========================================================= */

/* ---------- Section Base ---------- */
section {
  padding-block: var(--space-20);
}

@media (max-width: 768px) {
  section {
    padding-block: var(--space-12);
  }
}

@media (max-width: 480px) {
  section {
    padding-block: var(--space-10);
  }
}

/* ---------- 1. Proof Bar ---------- */
.proof-bar {
  padding-block: var(--space-8);
  background-color: var(--slate-900);
  overflow: hidden;
}

.proof-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.proof-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--white);
}

.proof-bar__value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.proof-bar__label {
  font-size: 0.875rem;
  color: var(--slate-400);
  font-weight: 500;
}

.proof-bar__divider {
  width: 1px;
  height: 32px;
  background-color: rgba(255,255,255,.12);
}

@media (max-width: 768px) {
  .proof-bar__inner {
    gap: var(--space-5);
    padding-inline: var(--space-5);
  }
  .proof-bar__divider { display: none; }
}

@media (max-width: 480px) {
  .proof-bar__inner {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }
  .proof-bar__item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-1);
  }
  .proof-bar__value { font-size: 1.5rem; }
}

/* ---------- 2. How It Works ---------- */
.how {
  background-color: var(--white);
}

.how__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.how__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  width: 100%;
  margin-top: 56px;
}

.how__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px 40px;
  border-radius: var(--radius-xl);
  background-color: var(--slate-100);
  box-sizing: border-box;
  width: 100%;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.how__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.how__step {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--space-4);
}

.how__phone {
  width: 100%;
  max-width: 280px;
  margin: 0 auto var(--space-6);
  border-radius: 36px;
  border: 8px solid #111111;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform 0.2s ease;
}

.how__phone:hover {
  transform: scale(1.03);
}

.how__phone img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  padding: 0;
}

.how__card h3 {
  margin-bottom: var(--space-2);
}

.how__card p {
  font-size: 0.9375rem;
}

@media (max-width: 1199px) {
  .how__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .how__cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .how__phone {
    max-width: 220px;
    border-width: 6px;
  }
}

/* ---------- 4. Feature Split Rows ---------- */
.features {
  background-color: var(--slate-100);
}

.features__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-16);
}

.feature-row:last-of-type {
  margin-bottom: 0;
}

/* Alternate: text left on even rows */
.feature-row--reverse {
  direction: rtl;
}

.feature-row--reverse > * {
  direction: ltr;
}

.feature-row__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-row__phone {
  width: min(220px, 60%);
  border-radius: 32px;
  box-shadow: var(--shadow-phone);
  overflow: hidden;
  transition: transform var(--duration-slow) var(--ease-out);
}

.feature-row__phone:hover {
  transform: translateY(-8px) scale(1.02);
}

.feature-row__phone img {
  width: 100%;
  border-radius: 32px;
}

.feature-row__text .section-label {
  margin-bottom: var(--space-2);
}

.feature-row__text h3 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
}

.feature-row__text p {
  margin-bottom: var(--space-6);
}

@media (max-width: 900px) {
  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
    direction: ltr;
  }

  .feature-row--reverse {
    direction: ltr;
  }

  .feature-row__visual {
    order: -1;
  }

  .feature-row__phone {
    width: min(240px, 65%);
    border-radius: 24px;
  }

  .feature-row__phone img {
    border-radius: 24px;
  }

  .section-heading--center + p,
  .feature-row__text .checklist {
    margin-inline: auto;
  }

  .feature-row__text .checklist {
    text-align: left;
    max-width: 340px;
  }
}

@media (max-width: 480px) {
  .feature-row {
    gap: var(--space-6);
  }

  .feature-row__phone {
    width: min(200px, 70%);
    border-radius: 20px;
  }

  .feature-row__phone img {
    border-radius: 20px;
  }
}

/* ---------- Font Awesome icon styles ---------- */
.feature-card i,
.how__card i {
  font-size: 28px;
  color: #3B82F6;
  display: block;
  margin-bottom: 12px;
}

.use-case-card i {
  font-size: 22px;
  color: #60a5fa;
  display: block;
  margin-bottom: 8px;
}

/* ---------- How it works — lightbox trigger ---------- */
.how__phone-trigger {
  display: block;
  width: 100%;
  cursor: zoom-in;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.how__phone-trigger:hover {
  transform: scale(1.03);
}

.how__phone-trigger img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Screenshot lightbox ---------- */
#screenshot-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: var(--space-6);
}

#screenshot-lightbox.active {
  display: flex;
}

#screenshot-lightbox-img {
  max-width: min(380px, 90vw);
  max-height: 88vh;
  border-radius: 24px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

/* ---------- 4b. Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
  box-sizing: border-box;
  margin-top: 48px;
}

.feature-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 28px 24px;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #0D1B3E;
}

.feature-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    padding: 24px 20px;
  }
}

/* ---------- 4c. Founder Strip ---------- */
.founder-strip {
  background-color: var(--slate-900);
  padding-block: var(--space-16);
}

.founder-strip__text {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.5vw, 1.625rem);
  font-style: italic;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
  line-height: 1.55;
}

@media (max-width: 768px) {
  .founder-strip {
    padding-block: var(--space-12);
  }
  .founder-strip__text {
    padding-inline: var(--space-4);
  }
}

/* ---------- 5. Testimonials ---------- */
.testimonials {
  background-color: var(--slate-900);
  color: var(--white);
}

.testimonials .section-label {
  color: rgba(255,255,255,.5);
}

.testimonials .section-heading {
  color: var(--white);
}

.testimonials__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background-color: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  transition: background-color var(--duration-normal), transform var(--duration-normal) var(--ease-out);
}

.testimonial-card:hover {
  background-color: rgba(255,255,255,.09);
  transform: translateY(-4px);
}

.testimonial-card__quote {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255,255,255,.82);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-card__quote::before { content: '\201C'; }
.testimonial-card__quote::after  { content: '\201D'; }

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--white);
  line-height: 1.2;
}

.testimonial-card__detail {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.45);
}

/* TODO: Replace placeholder testimonials with real ones */

@media (max-width: 1199px) {
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }
}

/* ---------- 5b. Use Cases ---------- */
.use-cases {
  background-color: var(--slate-900);
  color: var(--white);
}

.use-cases__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.use-cases__header .section-label {
  color: rgba(255,255,255,.5);
}

.use-cases__header .section-heading {
  color: var(--white);
}

.use-cases__subhead {
  color: rgba(255,255,255,.6);
  max-width: 52ch;
  margin-inline: auto;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
}

.use-case-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: #1a2340;
  border-radius: 12px;
  box-sizing: border-box;
  min-height: 120px;
  width: 100%;
  transition: background-color var(--duration-normal),
              transform var(--duration-normal) var(--ease-out);
}

.use-case-card:hover {
  background-color: #1e2a4a;
  transform: translateY(-4px);
}

.use-case-card .icon {
  font-size: 24px;
  line-height: 1;
}

.use-case-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
}

.use-case-card p {
  margin: 0;
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 6. Final CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--blue) 0%, #4F46E5 100%);
  text-align: center;
  color: var(--white);
}

.cta-section__icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.cta-section__icon img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px rgba(0,0,0,.35);
  object-fit: cover;
}

.cta-section h2 {
  color: var(--white);
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.cta-section p {
  color: rgba(255,255,255,.75);
  max-width: 44ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  font-size: 1.0625rem;
}

.cta-section .btn-white {
  animation-name: pulse;
  animation-duration: 2.8s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

.cta-section__note {
  margin-top: var(--space-4);
  font-size: 0.8125rem;
  color: rgba(255,255,255,.5);
}

@media (max-width: 480px) {
  .cta-section {
    padding-inline: var(--space-5);
  }
  .cta-section h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
}

/* ---------- 7. Footer ---------- */
.footer {
  padding-block: var(--space-10);
  background-color: var(--slate-900);
  color: rgba(255,255,255,.5);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  transition: opacity var(--duration-fast);
}

.footer__logo:hover {
  opacity: 0.75;
}

.footer__logo-img {
  height: 24px;
  width: auto;
  display: block;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,.5);
  transition: color var(--duration-fast);
}

.footer__link:hover {
  color: var(--white);
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.3);
  width: 100%;
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,.07);
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-4);
  }
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ---------- 8. Contact Form ---------- */
.contact-subtitle {
  font-size: 0.92rem;
  color: var(--slate-500);
  margin-bottom: 24px;
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-700);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  resize: vertical;
  background: var(--blue-wash);
  border: 1.5px solid var(--blue-mist);
}

.form-group input:focus,
.form-group textarea:focus {
  background: var(--white);
  border-color: var(--blue);
}

.contact-submit {
  align-self: flex-start;
  background: var(--slate-900);
  box-shadow: none;
}

.contact-submit:hover {
  background: var(--slate-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.2);
}


/* ---------- 9. Modals ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: fadeUp 0.3s var(--ease-out) both;
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--slate-400);
  transition: background-color var(--duration-fast), color var(--duration-fast);
}

.modal-close:hover {
  background-color: var(--slate-100);
  color: var(--slate-900);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: var(--space-2);
  padding-right: var(--space-8);
}

.modal-updated {
  font-size: 0.8125rem;
  color: var(--slate-400);
  margin-bottom: var(--space-6);
}

.modal-body {
  font-size: 0.9375rem;
  color: var(--slate-600);
  line-height: 1.8;
}

.modal-body h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--slate-900);
  margin: var(--space-6) 0 var(--space-2);
}

.modal-body p {
  margin-bottom: var(--space-3);
}

.modal-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.modal-body a:hover {
  color: var(--blue-dark);
}

@media (max-width: 480px) {
  .modal-overlay {
    padding: var(--space-4);
    align-items: flex-end;
  }
  .modal-card {
    padding: var(--space-6) var(--space-5);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-md) var(--radius-md);
    max-height: 90vh;
  }
}