/* ============================================================
   SOLIDLINE WEB — LANDING PAGE
   Bold, modern, conversion-focused
   ============================================================ */

:root {
  --color-primary:       #0F172A;  /* Dark slate */
  --color-accent:        #3B82F6;  /* Bright blue */
  --color-accent-dark:   #2563EB;
  
  --color-text:          #334155;
  --color-text-light:    #64748B;
  --color-border:        #E2E8F0;
  --color-bg:            #F8FAFC;
  --color-white:         #FFFFFF;
  
  --font-family:         'Inter', sans-serif;
  --container-width:     1140px;
  
  --radius-sm:           8px;
  --radius-md:           12px;
  --radius-lg:           20px;
  
  --shadow-sm:           0 1px 3px rgba(0,0,0,.1);
  --shadow-md:           0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:           0 10px 40px rgba(0,0,0,.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
}

.btn--large {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
}

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

/* Section Titles */
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: .75rem;
  letter-spacing: -.02em;
}

.section-sub {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-bottom: 3.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Navbar */
.navbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -.5px;
}

.logo-accent {
  color: var(--color-accent);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: var(--color-white);
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  background: rgba(59,130,246,.2);
  border: 1px solid rgba(59,130,246,.4);
  border-radius: 999px;
  padding: .6rem 1.5rem;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 1.75rem;
  color: #93C5FD;
}

.hero__headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -.03em;
}

.highlight {
  color: var(--color-accent);
  background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,.85);
  margin-bottom: 2.5rem;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero .btn--outline {
  border-color: rgba(255,255,255,.6);
  color: var(--color-white);
}

.hero .btn--outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--color-white);
}

.hero__proof {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.proof-item {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
}

/* Templates */
.templates {
  padding: 6rem 0;
  background: var(--color-white);
}

.templates-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.template-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s ease;
  position: relative;
  display: block;
}

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

.template-card--premium {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.template-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: .4rem 1rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  z-index: 2;
}

.template-card__preview {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-border);
  position: relative;
}

.template-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.template-card:hover .template-preview-img {
  transform: scale(1.05);
}

.preview-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: all .3s;
}

.preview-placeholder--urgent {
  background: linear-gradient(135deg, #B91C1C 0%, #DC2626 100%);
}

.preview-placeholder--warm {
  background: linear-gradient(135deg, #78350F 0%, #B45309 100%);
}

.preview-placeholder--premium {
  background: linear-gradient(135deg, #0F172A 0%, #1E40AF 100%);
}

.template-card:hover .preview-placeholder {
  transform: scale(1.05);
}

.preview-icon {
  font-size: 3rem;
}

.preview-label {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.1rem;
}

.template-card__info {
  padding: 1.75rem;
}

.template-card__info h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .75rem;
}

.template-card__info p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.template-card__features {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

.feature-tag {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: .35rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Pricing */
.pricing {
  padding: 6rem 0;
  background: var(--color-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto 3rem;
}

.pricing-card {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-white);
  padding: .4rem 1.25rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
}

.pricing-card__header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.pricing-card__price {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.price-period {
  font-size: .9rem;
  color: var(--color-text-light);
  font-weight: 600;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-card__features li {
  padding: .75rem 0;
  color: var(--color-text);
  font-size: .975rem;
  line-height: 1.6;
}

.pricing-note {
  text-align: center;
  font-size: .975rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* Process */
.process {
  padding: 6rem 0;
  background: var(--color-white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.process-step {
  text-align: center;
  padding: 1.5rem;
}

.process-step__number {
  width: 60px;
  height: 60px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  margin: 0 auto 1.25rem;
}

.process-step h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .75rem;
}

.process-step p {
  font-size: .95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Features */
.features {
  padding: 6rem 0;
  background: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .75rem;
}

.feature-item p {
  font-size: .95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  padding: 5rem 0;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 1.25rem;
}

.cta-section p {
  font-size: 1.25rem;
  opacity: .95;
  margin-bottom: 2.5rem;
}

/* Contact */
.contact {
  padding: 6rem 0;
  background: var(--color-white);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact__info h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact__info > p {
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.contact__detail-item {
  font-size: .975rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.contact__detail-item a {
  color: var(--color-accent);
  font-weight: 600;
}

.contact__detail-item a:hover {
  text-decoration: underline;
}

.contact__social {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.contact__social p {
  font-size: .9rem;
  color: var(--color-text);
  margin-bottom: .35rem;
}

.contact__social p:first-child {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
}

/* Form */
.contact__form {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .875rem 1.1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-primary);
  background: var(--color-white);
  transition: border-color .2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}

.form-group input.error,
.form-group select.error {
  border-color: #EF4444;
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-note {
  text-align: center;
  font-size: .85rem;
  color: var(--color-text-light);
  margin-top: 1rem;
}

.form-success {
  display: none;
  background: #D1FAE5;
  color: #065F46;
  border: 2px solid #6EE7B7;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  text-align: center;
  font-weight: 700;
  margin-top: 1.5rem;
}

.form-success.visible {
  display: block;
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.7);
  padding: 3rem 0 1.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer .logo {
  color: var(--color-white);
  font-size: 1.4rem;
}

.footer__brand p {
  font-size: .9rem;
  margin-top: .5rem;
  opacity: .6;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.footer__links a {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  transition: color .2s;
}

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

.footer__copy {
  font-size: .8rem;
  opacity: .4;
}

/* Responsive */
@media (max-width: 900px) {
  .templates-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 4rem 0 3rem;
  }
  
  .hero__cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero__proof {
    flex-direction: column;
    gap: .75rem;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .contact__form {
    padding: 1.75rem;
  }
}