/* styles.css — P&L Solutions */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Custom Properties ── */
:root {
  --color-navy: #0F172A;
  --color-white: #FFFFFF;
  --color-bg-alt: #F1F5F9;
  --color-text: #1E293B;
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-muted: #64748B;
  --color-border: #E2E8F0;

  --font-base: 'Inter', system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-base);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Navigation ── */
.nav {
  background: var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: 1100px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  color: var(--color-white);
  text-decoration: none;
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-md);
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  text-decoration: none;
}

.nav-toggle {
  display: flex;
  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-white);
  border-radius: 2px;
  transition: all 0.2s;
}

/* Mobile nav open */
.nav.nav-open .nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-navy);
  padding: var(--space-sm) var(--space-md) var(--space-md);
  gap: var(--space-xs);
  border-top: 1px solid rgba(255,255,255,0.1);
}

@media (min-width: 640px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
}

/* ── Sections ── */
.section {
  padding: var(--space-xl) 0;
}

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

.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section--dark .section-label {
  color: rgba(255,255,255,0.6);
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: inherit;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 680px;
}

.section--dark .section-sub {
  color: rgba(255,255,255,0.7);
}

/* ── Hero ── */
.hero {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-xl) 0;
}

.hero-inner {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.card a {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ── Why list ── */
.why-list {
  list-style: none;
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1rem;
}

.why-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background: var(--color-accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

@media (min-width: 640px) {
  .why-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Experience block ── */
.experience-block {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.experience-block p {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

/* ── CTA section ── */
.cta-section {
  text-align: center;
  padding: var(--space-xl) 0;
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

/* ── Service Detail sections ── */
.service-section {
  padding: var(--space-xl) 0;
}

.service-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.service-detail {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (min-width: 1024px) {
  .service-detail {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-detail-item h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.service-detail-item p {
  color: var(--color-muted);
  font-size: 0.97rem;
}

/* ── About ── */
.about-intro {
  max-width: 760px;
  margin-bottom: var(--space-lg);
}

.about-intro p {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.about-services {
  margin: var(--space-sm) 0 var(--space-lg);
  padding-left: var(--space-md);
}

.about-services li {
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .bio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.bio-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
}

.bio-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.bio-card .bio-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.bio-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ── Contact form ── */
.contact-layout {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1.6fr;
    align-items: start;
  }
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.contact-info p {
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-details li {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.contact-details li strong {
  color: var(--color-text);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-sm);
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-base);
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.15s;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.field-error {
  border-color: #EF4444 !important;
}

.error-msg {
  font-size: 0.82rem;
  color: #EF4444;
  margin-top: 0.2rem;
}

.form-success {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.form-success h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.form-success p {
  color: var(--color-muted);
}

/* honeypot */
.field-honeypot {
  display: none !important;
}

/* ── Page hero (interior pages) ── */
.page-hero {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-lg) 0;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 600px;
}

/* ── Footer ── */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.65);
  padding: var(--space-lg) 0;
  margin-top: auto;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: center;
}

.footer-inner p {
  font-size: 0.88rem;
}

.footer-inner a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}