/* ============================================
   SmartStock Landing — Clean CSS
   ============================================ */

/* --- CSS Variables (SmartStock palette) --- */
:root {
  --color-bg: #F3F6FD;
  --color-white: #FFFFFF;
  --color-text: #070F26;
  --color-text-secondary: #1F2937;
  --color-primary: #123273;
  --color-primary-light: #446EE3;
  --color-accent-green: #15803D;
  --color-card-shadow: rgba(29, 78, 216, 0.1);
  --color-card-shadow-strong: rgba(23, 60, 163, 0.26);
  --color-border-light: #E5E7EB;
  --color-footer-bg: #050E28;
  --color-highlight-bg: #E4E9FC;
  --color-popular-bg: #102A73;
  --color-basic-card-bg: #E4EAFC;
  --gradient-wb: linear-gradient(180deg, rgba(140, 46, 214, 0.6) 0%, rgba(231, 29, 115, 0.6) 100%);

  --radius-sm: 8px;
  --radius-md: 15px;
  --radius-lg: 25px;
  --radius-pill: 9999px;

  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 60px;
  --space-4xl: 80px;
  --space-5xl: 120px;

  --font-family: 'Inter', sans-serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
}

/* --- Typography --- */
.heading-xl {
  font-size: clamp(2.5rem, 5vw, 6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
}

.heading-lg {
  font-size: clamp(1.75rem, 3vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.heading-md {
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.heading-sm {
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.text-body {
  font-size: clamp(1rem, 1.2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.text-small {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.75;
}

.text-price {
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 1;
}

.text-currency {
  font-size: 1.25rem;
  font-weight: 400;
}

/* --- Layout --- */
.landing-page {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-bg);
  overflow-x: hidden;
}

.landing-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5xl);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-weight: 700;
  border-radius: var(--radius-lg);
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary {
  padding: 20px 40px;
  font-size: 1.5rem;
  color: var(--color-white);
  background: var(--color-primary);
}

.btn-secondary {
  padding: 15px 30px;
  font-size: 1.25rem;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.btn-nav {
  padding: 15px 30px;
  font-size: 1.25rem;
  color: var(--color-primary);
  background: var(--color-white);
  border-radius: var(--radius-md);
}

.btn-outline {
  padding: 20px 40px;
  font-size: 1.5rem;
  color: var(--color-primary);
  background: var(--color-highlight-bg);
  border-radius: var(--radius-md);
}

.btn-full {
  width: 100%;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 55px rgba(29, 78, 216, 0.1);
  overflow: hidden;
}

.card-shadow-strong {
  box-shadow: 0 0 30px var(--color-card-shadow-strong);
}

/* --- Section base --- */
.section {
  width: 100%;
  padding: var(--space-4xl) var(--space-lg);
}

/* --- Header / Nav --- */
.header {
  width: 100%;
  padding: var(--space-lg) 0;
}

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

.logo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.nav-link {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-primary);
}

/* --- Hero --- */
.hero {
  width: 100%;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--space-xl);
  background: var(--color-white);
  box-shadow: 0 0 55px var(--color-card-shadow);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-wb);
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 700;
  border: 1px solid rgba(252, 252, 253, 1);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 700;
  text-align: center;
  max-width: 600px;
  margin-bottom: var(--space-sm);
}

.hero-description {
  font-size: clamp(0.875rem, 1.2vw, 1.25rem);
  text-align: center;
  max-width: 500px;
  margin-bottom: var(--space-xl);
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0.4;
  font-size: 1rem;
  cursor: pointer;
}

.hero-trend-icon {
  position: absolute;
  top: 15%;
  left: 5%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  background: rgba(21, 128, 61, 0.44);
  border: 1px solid rgba(252, 252, 253, 1);
}

.hero-decor-top-right {
  position: absolute;
  top: 0;
  right: 10%;
  width: 200px;
  opacity: 0.15;
}

.hero-decor-bottom-left {
  position: absolute;
  bottom: 0;
  left: 5%;
  width: 400px;
  opacity: 0.1;
}

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  width: 100%;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 55px var(--color-card-shadow);
  text-align: center;
}

.stat-value {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: clamp(1rem, 1.5vw, 1.5rem);
  color: var(--color-text-secondary);
}

/* --- Problems --- */
.problems {
  width: 100%;
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 55px var(--color-card-shadow);
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-3xl);
  color: var(--color-text);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.problem-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.problem-tag {
  padding: var(--space-xs) var(--space-md);
  background: var(--color-highlight-bg);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  font-weight: 700;
}

.problem-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- Steps --- */
.steps-section {
  width: 100%;
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 55px var(--color-card-shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.steps-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 700;
}

.steps-title .highlight {
  color: var(--color-primary);
}

.steps-grid-wrapper {
  display: flex;
  gap: var(--space-3xl);
  align-items: center;
  flex-wrap: wrap;
}

.steps-image-col {
  flex: 1;
  min-width: 280px;
  position: relative;
}

.steps-image-col img {
  border-radius: var(--radius-sm);
}

.notification-float {
  position: absolute;
  bottom: -20px;
  left: 10%;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: 5px 4px 28px rgba(9, 19, 48, 0.36);
  padding: var(--space-md);
  min-width: 240px;
}

.notification-float .notif-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.notification-float .notif-header .bell-icon {
  width: 24px;
  height: 24px;
}

.notification-float .notif-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.notification-float .notif-sub {
  font-size: 0.75rem;
  opacity: 0.5;
  font-weight: 700;
  text-transform: uppercase;
}

.notification-float .notif-btn {
  display: block;
  width: 100%;
  padding: var(--space-xs);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  font-size: 0.875rem;
  margin-top: var(--space-sm);
}

.steps-list-col {
  flex: 1;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.step-number {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-pill);
  background: var(--color-highlight-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.step-text h4 {
  font-size: clamp(1.25rem, 1.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 4px;
}

.step-text p {
  font-size: clamp(0.875rem, 1.2vw, 1.25rem);
  color: var(--color-text-secondary);
}

/* --- Pricing --- */
.pricing-section {
  width: 100%;
  position: relative;
}

.pricing-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-3xl);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  width: 100%;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 55px var(--color-card-shadow);
  gap: var(--space-lg);
  position: relative;
}

.pricing-card.popular {
  background: var(--color-basic-card-bg);
  box-shadow: 0 0 30px var(--color-card-shadow-strong);
}

.pricing-card .popular-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-popular-bg);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
}

.pricing-card h3 {
  font-size: 2rem;
  font-weight: 700;
}

.pricing-card .price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.pricing-card .price-amount {
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1;
}

.pricing-card .price-period {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

.pricing-card .plan-note {
  padding: 20px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  border: 1px solid var(--color-border-light);
}

.pricing-card .plan-note.filled {
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 1.125rem;
  line-height: 1.4;
}

.pricing-feature .check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 4px;
}

/* --- CTA --- */
.cta-section {
  width: 100%;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: var(--space-4xl) var(--space-xl);
  background: var(--color-white);
  box-shadow: 0 0 55px var(--color-card-shadow);
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-section p {
  font-size: clamp(0.875rem, 1.2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.5;
}

.cta-section .btn {
  margin: 0 auto;
}

/* --- Footer --- */
.footer {
  width: 100%;
  background: var(--color-footer-bg);
  padding: var(--space-4xl) var(--space-lg) var(--space-lg);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-brand {
  flex: 1;
  min-width: 250px;
}

.footer-logo {
  font-size: clamp(2rem, 3vw, 3.25rem);
  font-weight: 700;
  color: var(--color-primary-light);
  margin-bottom: var(--space-sm);
}

.footer-subtitle {
  font-size: 1.125rem;
  font-weight: 700;
  opacity: 0.9;
}

.footer-contacts {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-phone,
.footer-email {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-white);
  opacity: 0.9;
  transition: opacity 0.2s;
  text-decoration: none;
}

.footer-phone:hover,
.footer-email:hover {
  opacity: 1;
}

.footer-qr {
  flex-shrink: 0;
}

.footer-qr img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(252, 252, 253, 0.2);
}

.footer-fasie {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.fasie-logo {
  width: 180px;
  height: auto;
  flex-shrink: 0;
}

.fasie-text {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
  opacity: 0.5;
  flex: 1;
  min-width: 250px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  opacity: 0.7;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 991px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding: var(--space-3xl) var(--space-lg);
  }

  .hero-trend-icon {
    display: none;
  }

  .steps-grid-wrapper {
    flex-direction: column;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  :root {
    --space-5xl: 80px;
    --space-4xl: 48px;
    --space-3xl: 40px;
  }

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

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

  .hero-decor-top-right,
  .hero-decor-bottom-left {
    display: none;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
  }

  .notification-float {
    position: static;
    margin-top: var(--space-md);
  }

  .footer-bottom {
    align-items: center;
  }

  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-contacts {
    align-items: center;
  }

  .footer-fasie {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-qr img {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 479px) {
  :root {
    --space-5xl: 60px;
    --space-4xl: 32px;
    --space-3xl: 32px;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .btn-primary,
  .btn-secondary,
  .btn-outline {
    padding: 15px 24px;
    font-size: 1rem;
    width: 100%;
  }

  .btn-nav {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    text-align: center;
  }

  .nav-links {
    gap: var(--space-md);
    width: 100%;
    justify-content: center;
  }

  .nav-link {
    font-size: 1rem;
  }
}