/* ============================================
   Shah Accountant — CPA Blue Theme
   ============================================ */

:root {
  --color-bg: #f0f5fa;
  --color-bg-alt: #e4edf6;
  --color-surface: #ffffff;
  --color-blue: #0069b4;
  --color-blue-dark: #004a80;
  --color-blue-darker: #003560;
  --color-blue-light: #0099d8;
  --color-green: #67b246;
  --color-green-dark: #4f9235;
  --color-gold: #c9a227;
  --color-gold-soft: #e8d5b5;
  --color-text: #1a2b3c;
  --color-text-muted: #4a6278;
  --color-border: rgba(0, 74, 128, 0.12);

  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 53, 96, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 53, 96, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 53, 96, 0.16);

  --header-height: 80px;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 112.5%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-blue-light);
}

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 105, 180, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.6;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
  position: relative;
}

.section__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

.section__eyebrow::before,
.section__eyebrow::after {
  content: "—";
  margin: 0 0.5rem;
  opacity: 0.4;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  color: var(--color-blue-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-blue);
  color: #fff;
  border-color: var(--color-blue);
}

.btn--primary:hover {
  background: var(--color-blue-light);
  border-color: var(--color-blue-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  color: var(--color-blue-dark);
  font-weight: 700;
  font-size: 1rem;
}

.nav__logo:hover {
  color: var(--color-blue-dark);
}

.nav__logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.nav__logo-text {
  display: none;
  padding-left: 0.875rem;
  border-left: 2px solid var(--color-border);
  max-width: 220px;
  line-height: 1.25;
  font-size: 0.85rem;
}

@media (min-width: 900px) {
  .nav__logo-text {
    display: block;
    max-width: 280px;
    font-size: 0.9rem;
  }
}

@media (min-width: 1100px) {
  .nav__logo-text {
    max-width: none;
    font-size: 1rem;
  }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__links a {
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav__links a:hover {
  color: var(--color-blue);
}

.nav__cta {
  background: var(--color-blue-dark) !important;
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
}

.nav__cta:hover {
  background: var(--color-blue) !important;
  color: #fff !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-blue-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 1.25rem) clamp(0.75rem, 2vw, 1.5rem) clamp(1.5rem, 3vw, 2rem);
  background: var(--color-blue-darker);
}

.hero__media {
  position: relative;
  width: min(100%, 1500px);
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

.hero__actions {
  position: absolute;
  top: clamp(0.75rem, 2vw, 1.25rem);
  right: clamp(0.75rem, 2vw, 1.25rem);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
  z-index: 1;
}

.btn--hero {
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.btn--hero:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--hero-call {
  background: var(--color-blue-dark);
  color: #fff;
  border-color: var(--color-blue-dark);
}

.btn--hero-call:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

.btn--hero-email {
  background: var(--color-gold);
  color: #fff;
  border-color: var(--color-gold);
}

.btn--hero-email:hover {
  background: #b08a3a;
  border-color: #b08a3a;
  color: #fff;
}

/* Trust Bar */
.trust-bar {
  background: var(--color-blue-dark);
  color: #fff;
  padding: 2.25rem 0;
  border-bottom: 3px solid var(--color-green);
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.trust-bar__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.trust-bar__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-green);
}

.trust-bar__icon svg {
  width: 22px;
  height: 22px;
}

.trust-bar__item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.trust-bar__item span {
  font-size: 0.8125rem;
  opacity: 0.8;
  line-height: 1.4;
}

/* Services */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border-top: 4px solid var(--color-blue);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--color-green);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 105, 180, 0.12) 0%, rgba(103, 178, 70, 0.1) 100%);
  color: var(--color-blue);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-blue-dark);
  margin-bottom: 1rem;
}

.service-card__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.service-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
  font-size: 0.8rem;
}

.services__grid--three {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card__tagline {
  margin-top: 1.25rem;
  padding: 0.875rem 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-blue);
  font-style: italic;
  text-align: center;
}

/* Corporate */
.corporate__content {
  max-width: 900px;
  margin-inline: auto;
}

.corporate__intro {
  margin-bottom: 0;
}

.corporate__services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.75rem;
  margin: 2.5rem 0;
}

.corporate__service {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 500;
}

.corporate__service-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-blue);
  background: rgba(0, 105, 180, 0.08);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Deadlines */
.deadlines__content {
  max-width: 800px;
  margin-inline: auto;
}

.deadlines__benefits {
  margin: 1.5rem 0;
  display: grid;
  gap: 0.75rem;
}

.deadlines__benefits li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  border-left: 3px solid var(--color-green);
}

.deadlines__benefits strong {
  color: var(--color-blue-dark);
}

.deadlines__list {
  margin: 2rem 0;
}

.deadline-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.deadline-item:last-child {
  border-bottom: none;
}

.deadline-item strong {
  display: block;
  color: var(--color-blue-dark);
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.deadline-item span {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.deadline-item__date {
  margin-top: 0.35rem !important;
  font-weight: 600;
  color: var(--color-blue) !important;
}

.deadlines__note {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(0, 105, 180, 0.06);
  border-left: 3px solid var(--color-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.65;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial::after {
  content: "";
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: radial-gradient(circle, rgba(0, 105, 180, 0.08) 2px, transparent 2px);
  background-size: 8px 8px;
  border-radius: 50%;
  opacity: 0.5;
}

.testimonial__quote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-blue-dark);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.testimonial__quote::before {
  content: "\201C";
  color: var(--color-blue);
  font-size: 2rem;
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 0.15em;
}

.testimonial__author {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__text {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__highlights {
  margin-top: 1.5rem;
}

.about__highlights li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.625rem;
  color: var(--color-text);
  font-weight: 500;
}

.about__highlights li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: 700;
}

.about__card {
  background: linear-gradient(160deg, var(--color-blue-dark) 0%, var(--color-blue-darker) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about__card::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 2px, transparent 2px);
  background-size: 12px 12px;
  border-radius: 50%;
}

.about__logo {
  margin-bottom: 1.5rem;
  background: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  width: fit-content;
  position: relative;
}

.about__card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--color-gold-soft);
  position: relative;
}

.about__card-text {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  opacity: 0.9;
  position: relative;
}

.about__link {
  display: inline-block;
  font-weight: 600;
  color: var(--color-green);
  position: relative;
}

.about__link:hover {
  color: #fff;
}

/* Contact */
.contact__inner {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.contact__desc {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact__methods {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.contact__phone,
.contact__email {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-blue-dark);
}

.contact__phone:hover,
.contact__email:hover {
  color: var(--color-blue);
}

.contact__divider {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--color-blue-darker);
  color: rgba(255, 255, 255, 0.75);
  padding: 2.5rem 0;
  border-top: 3px solid var(--color-blue);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

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

.footer__logo {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  opacity: 0.95;
}

.footer__copy {
  font-size: 0.875rem;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-gold-soft);
  font-size: 0.9375rem;
  width: 100%;
  text-align: center;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__links li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__links li:last-child {
    border-bottom: none;
    padding-top: 0.75rem;
  }

  .nav__links a {
    display: block;
    padding: 0.875rem 0;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: calc(var(--header-height) + 1rem) 1rem 1.25rem;
  }

  .hero__media {
    width: 100%;
  }

  .hero__actions {
    top: 0.5rem;
    right: 0.5rem;
    gap: 0.5rem;
  }

  .btn--hero {
    padding: 0.625rem 0.875rem;
    font-size: 0.8125rem;
  }

  .btn--hero .btn__icon {
    width: 16px;
    height: 16px;
  }

  .about__grid {
    grid-template-columns: 1fr;
  }

  .corporate__services {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }

  .trust-bar__grid {
    grid-template-columns: 1fr;
  }
}