/* ============================================================
   TELANGANA SEO — Component Library
   All reusable UI components. Depends on: tokens.css, base.css
   ============================================================ */

/* ============================================================
   BUTTONS
   Usage: <button class="btn btn--primary">Text</button>
   Variants: primary, secondary, ghost, outline, danger
   Sizes: sm, md (default), lg
   States: hover, focus, disabled, loading
============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — Saffron Gold (all main CTAs) */
.btn--primary {
  background-color: var(--color-accent-500);
  border-color: var(--color-accent-500);
  color: #FFFFFF;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  background-color: var(--color-accent-700);
  border-color: var(--color-accent-700);
  box-shadow: 0 6px 24px rgba(242,140,26,0.35);
  color: #FFFFFF;
}

/* Secondary — Navy (secondary actions) */
.btn--secondary {
  background-color: var(--color-brand-800);
  border-color: var(--color-brand-800);
  color: #FFFFFF;
}
.btn--secondary:hover {
  background-color: var(--color-brand-600);
  border-color: var(--color-brand-600);
  color: #FFFFFF;
}

/* Outline — Bordered transparent */
.btn--outline {
  background-color: transparent;
  border-color: var(--color-brand-500);
  color: var(--color-brand-500);
}
.btn--outline:hover {
  background-color: var(--color-brand-100);
  border-color: var(--color-brand-600);
  color: var(--color-brand-600);
}

/* Ghost — No border, text only */
.btn--ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-brand-500);
}
.btn--ghost:hover {
  background-color: var(--color-brand-50);
  color: var(--color-brand-600);
}

/* Outline light — for use on dark backgrounds */
.btn--outline-light {
  background-color: transparent;
  border-color: rgba(255,255,255,0.4);
  color: #FFFFFF;
}
.btn--outline-light:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: #FFFFFF;
}

/* Size modifiers */
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}
.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}
.btn--xl {
  padding: 1.125rem 2.5rem;
  font-size: var(--text-xl);
  border-radius: var(--radius-lg);
}

/* Icon inside button */
.btn__icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* Loading state */
.btn--loading::after {
  content: '';
  width: 1em;
  height: 1em;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  margin-left: var(--space-2);
}
@keyframes btn-spin { to { transform: rotate(360deg); } }


/* ============================================================
   BADGES & TAGS
   Usage: <span class="badge badge--accent">GEO / AI SEO</span>
============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge--accent {
  background: var(--color-accent-100);
  color: var(--color-accent-700);
  border-color: var(--color-accent-400);
}
.badge--brand {
  background: var(--color-brand-100);
  color: var(--color-brand-600);
  border-color: var(--color-brand-400);
}
.badge--success {
  background: var(--color-success-100);
  color: var(--color-success-600);
}
.badge--neutral {
  background: var(--color-neutral-100);
  color: var(--color-neutral-500);
  border-color: var(--color-neutral-300);
}
.badge--dark {
  background: var(--color-brand-800);
  color: rgba(255,255,255,0.9);
}

/* Industry tag — pill style, clickable */
.tag {
  display: inline-block;
  padding: 0.375rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-brand-600);
  background: var(--color-brand-50);
  border: 1px solid var(--color-brand-100);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
}
.tag:hover {
  background: var(--color-brand-100);
  border-color: var(--color-brand-400);
  color: var(--color-brand-700);
  transform: translateY(-1px);
}


/* ============================================================
   CARDS
   Usage: <div class="card card--service">...</div>
============================================================ */

.card {
  background: var(--surface-card);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition:
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-400);
  transform: translateY(-2px);
}

/* Service card — icon + title + description + link */
.card--service {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  cursor: pointer;
}

.card--service .card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-50);
  border-radius: var(--radius-lg);
  color: var(--color-brand-500);
  flex-shrink: 0;
}

.card--service .card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-brand-900);
  margin: 0;
}

.card--service .card__body {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.card--service .card__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent-500);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
}
.card--service:hover .card__link { gap: var(--space-2); }

/* Case study card */
.card--case {
  position: relative;
  overflow: hidden;
}

.card--case::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-500), var(--color-brand-500));
}

.card--case .card__industry {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent-500);
  margin-bottom: var(--space-2);
}

.card--case .card__metric {
  font-size: var(--text-4xl);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--color-brand-900);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.card--case .card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-brand-800);
  margin-bottom: var(--space-3);
}

.card--case .card__meta {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

/* Testimonial card */
.card--testimonial {
  position: relative;
}

.card--testimonial::before {
  content: '\201C';
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-brand-100);
  pointer-events: none;
}

.card--testimonial .card__quote {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-neutral-700);
  font-style: italic;
  margin-bottom: var(--space-4);
}

.card--testimonial .card__cite {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-brand-800);
}

.card--testimonial .card__cite span {
  display: block;
  font-weight: var(--weight-regular);
  color: var(--color-neutral-500);
  font-size: var(--text-xs);
  margin-top: 2px;
}

/* Stat card */
.card--stat {
  text-align: center;
  border-color: transparent;
  background: transparent;
}
.card--stat:hover { transform: none; box-shadow: none; }

.card--stat .card__number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: var(--color-brand-900);
  line-height: 1;
}

.card--stat .card__number span { color: var(--color-accent-500); }

.card--stat .card__label {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin-top: var(--space-1);
}


/* ============================================================
   NAVIGATION
   Usage: <nav class="nav">...</nav>
============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-300);
  transition: background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.nav.nav--scrolled {
  background: rgba(250,250,248,0.98);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
  gap: var(--space-8);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-brand-900);
  letter-spacing: var(--tracking-tight);
}

.nav__logo-text em {
  font-style: normal;
  color: var(--color-accent-500);
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  position: relative;
}

.nav__link:hover {
  color: var(--color-brand-800);
  background: var(--color-brand-50);
}

.nav__link.active {
  color: var(--color-brand-600);
  background: var(--color-brand-100);
}

/* Dropdown indicator */
.nav__link--has-dropdown::after {
  content: '▾';
  font-size: 0.65em;
  margin-left: 0.3em;
  opacity: 0.6;
}

/* Dropdown panel */
.nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--surface-card);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.nav__link--has-dropdown:hover .nav__dropdown,
.nav__link--has-dropdown:focus-within .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-neutral-700);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}
.nav__dropdown-item:hover {
  background: var(--color-brand-50);
  color: var(--color-brand-600);
}

/* Nav CTA */
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Hamburger — mobile */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  border: none;
  background: none;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-brand-900);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
}

@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
}

/* Mobile menu panel */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--surface-page);
  padding: var(--space-24) var(--space-6) var(--space-8);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
}
.nav__mobile.is-open {
  transform: translateX(0);
  display: block;
}


/* ============================================================
   SECTION HEADER
   Usage: <div class="section-header">...</div>
============================================================ */

.section-header {
  margin-bottom: var(--space-12);
}
.section-header--center { text-align: center; }
.section-header--center p { margin-inline: auto; }

.section-header h2 { margin-bottom: var(--space-4); }
.section-header p   { font-size: var(--text-lg); color: var(--color-neutral-500); }


/* ============================================================
   PROCESS STEPS
   Usage: <div class="process">...</div>
============================================================ */

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg,
    var(--color-brand-100),
    var(--color-brand-300),
    var(--color-brand-100));
  z-index: 0;
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-4);
  position: relative;
  z-index: 1;
}

.process__number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-card);
  border: 2px solid var(--color-brand-200);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-brand-500);
  margin-bottom: var(--space-4);
  transition: all var(--duration-base) var(--ease-out);
}

.process__step:hover .process__number {
  background: var(--color-brand-800);
  border-color: var(--color-brand-800);
  color: #FFFFFF;
  box-shadow: var(--shadow-brand);
}

.process__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-brand-900);
  margin-bottom: var(--space-2);
}

.process__desc {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .process { grid-template-columns: 1fr; gap: var(--space-6); }
  .process::before { display: none; }
  .process__step { flex-direction: row; text-align: left; gap: var(--space-4); }
  .process__number { flex-shrink: 0; }
}


/* ============================================================
   FAQ ACCORDION
   Usage: <div class="faq">...</div>
============================================================ */

.faq { display: flex; flex-direction: column; gap: var(--space-2); }

.faq__item {
  background: var(--surface-card);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.faq__item:hover { border-color: var(--color-brand-400); }

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-brand-900);
  cursor: pointer;
  text-align: left;
  background: none;
  border: none;
}

.faq__question::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: var(--weight-regular);
  color: var(--color-accent-500);
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-out);
}

.faq__item.is-open .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.faq__item.is-open .faq__answer { max-height: 400px; }

.faq__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
}


/* ============================================================
   FORMS
   Usage: <form class="form">...</form>
============================================================ */

.form { display: flex; flex-direction: column; gap: var(--space-4); }

.form__group { display: flex; flex-direction: column; gap: var(--space-2); }

.form__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-brand-800);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-brand-900);
  background: var(--surface-card);
  border: 1.5px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  outline: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 3px rgba(59,111,165,0.15);
}

.form__input::placeholder { color: var(--color-neutral-300); }

.form__textarea { min-height: 120px; resize: vertical; }

.form__hint {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

.form__error {
  font-size: var(--text-xs);
  color: var(--color-error-600);
}

/* Inline form (newsletter / audit bar) */
.form--inline {
  flex-direction: row;
  align-items: flex-end;
}
.form--inline .form__input { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.form--inline .btn         { border-radius: 0 var(--radius-md) var(--radius-md) 0; white-space: nowrap; }


/* ============================================================
   TRUST BAR
   Usage: <div class="trust-bar">...</div>
============================================================ */

.trust-bar {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: var(--color-brand-50);
  border: 1px solid var(--color-brand-100);
  border-radius: var(--radius-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.trust-bar__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-neutral-500);
  flex-shrink: 0;
}

.trust-bar__item {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-brand-600);
  opacity: 0.8;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.trust-bar__item:hover { opacity: 1; }

/* Logo grid variant */
.trust-bar--logos {
  gap: var(--space-10);
}
.trust-bar--logos img {
  height: 28px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.55;
  transition: all var(--duration-base) var(--ease-out);
}
.trust-bar--logos img:hover { filter: grayscale(0); opacity: 1; }


/* ============================================================
   DIVIDERS
============================================================ */

.divider {
  height: 1px;
  background: var(--color-neutral-300);
  border: none;
  margin: 0;
}

.divider--accent {
  background: linear-gradient(90deg,
    transparent,
    var(--color-accent-400),
    transparent);
}


/* ============================================================
   ALERT / BANNER
============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  font-size: var(--text-sm);
}

.alert--info {
  background: var(--color-brand-50);
  border-color: var(--color-brand-500);
  color: var(--color-brand-700);
}
.alert--success {
  background: var(--color-success-100);
  border-color: var(--color-success-600);
  color: var(--color-success-600);
}


/* ============================================================
   FOOTER
============================================================ */

.footer {
  background: var(--surface-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.footer__link:hover { color: rgba(255,255,255,0.9); }

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}