/* ================================================
   ল’ পরামর্শ প্ল্যাটফর্ম - মূল স্টাইলশীট
   Law Support Platform - Main Stylesheet
   ================================================ */

/* ================================================
   1. CSS Variables & Colors
   ================================================ */

:root {
    --color-primary: #0077BE;
    --color-secondary: #00D4FF;
    --color-accent: #FF6B35;
    --color-danger: #E74C3C;
    --color-light: #FFFFFF;
    --color-lighter: #F0F8FF;
    --color-dark: #0077BE;
    --color-gray: #5A7A8A;
    --color-gray-light: #E8F4F8;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    --font-family: 'Noto Sans Bengali', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    --line-height-base: 1.6;
    --line-height-heading: 1.3;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.1);

    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}


/* ================================================
   2. Reset & Base Styles
   ================================================ */

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-dark);
    background-color: #FFFFFF;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-heading);
    font-weight: 700;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ================================================
   3. Layout Components
   ================================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ================================================
   4. Header & Navigation
   ================================================ */

.header {
    background: #FFFFFF;
    color: var(--color-primary);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
    box-shadow: 0 1px 4px rgba(0, 119, 190, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
}

.navbar__brand:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.navbar__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #FFFFFF;
    flex-shrink: 0;
}

.navbar__mark svg {
    width: 24px;
    height: 24px;
}

.navbar__logo {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.2;
}

.navbar__tagline {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
}

.navbar__menu a {
    color: var(--color-primary);
    font-weight: 500;
}

.navbar__menu a.is-active {
    color: #0077BE;
    border-bottom: 2px solid #0077BE;
}

.navbar__menu a:hover {
    color: #0077BE;
    text-decoration: none;
}

.navbar__menu .navbar__cta {
    background: var(--color-primary);
    color: #FFFFFF;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
}

.navbar__menu .navbar__cta:hover {
    background: #0077BE;
    color: #FFFFFF;
}

/* ================================================
   5. Hero Section
   ================================================ */

.hero {
    background: linear-gradient(135deg, #0077BE 0%, #00D4FF 100%);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
}

.hero__cta {
    display: inline-block;
    margin-top: var(--spacing-lg);
    background: #FFFFFF;
    color: var(--color-primary);
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.hero__cta:hover {
    color: var(--color-primary);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* ================================================
   6. Section Styles
   ================================================ */

.section__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    color: var(--color-primary);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Problems Section */
.problems-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-lighter);
}

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

/* Problem Card */
.problem-card {
    background: #FFFFFF;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 119, 190, 0.08);
    transition: var(--transition-base);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.problem-card:hover {
    border-color: #0077BE;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #E6F3FB;
    color: #0077BE;
    margin-bottom: var(--spacing-xs);
}

.problem-card__icon svg {
    width: 30px;
    height: 30px;
}

.problem-card__title {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin: 0;
}

.problem-card__description {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    flex-grow: 1;
}

.problem-card__link {
    display: inline-block;
    color: #0077BE;
    border: 1px solid #0077BE;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.problem-card__link:hover {
    background: #0077BE;
    color: white;
    text-decoration: none;
}

/* How It Works Section - flow diagram */
.how-it-works {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    list-style: none;
}

.step {
    text-align: center;
    position: relative;
}

/* Connector arrow between steps */
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(50% + 48px);
    width: calc(100% - 96px + var(--spacing-xl));
    border-top: 2px dashed #99CDEB;
}

.step:not(:last-child)::before {
    content: '';
    position: absolute;
    top: 31px;
    left: calc(150% + var(--spacing-xl) - 58px);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 10px solid #99CDEB;
}

.step__icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #E6F3FB;
    color: #0077BE;
    border: 2px solid #99CDEB;
    margin-bottom: var(--spacing-md);
}

.step__icon svg {
    width: 32px;
    height: 32px;
}

.step__number {
    position: absolute;
    top: -4px;
    right: -4px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    line-height: 1;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.step__title {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.step__description {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

/* Team Section */
.team-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-lighter);
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.stat-card__number {
    font-size: var(--font-size-3xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-card__label {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

/* About Page */
.hero--compact {
    padding: var(--spacing-xl) var(--spacing-md);
}

.about-story {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: white;
}

.about-story__content {
    max-width: 760px;
    margin: 0 auto;
}

.about-story__content p {
    font-size: var(--font-size-lg);
    line-height: 1.9;
    color: #3D5A6A;
    margin-bottom: var(--spacing-md);
}

.about-story__content strong {
    color: var(--color-primary);
}

.about-values {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-lighter);
}

.about-values__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.value-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: #FFFFFF;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.value-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #E6F3FB;
    color: #0077BE;
    flex-shrink: 0;
}

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

.value-card__title {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.value-card__description {
    color: var(--color-gray);
    margin: 0;
}

.about-promise {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: white;
    text-align: center;
}

.about-promise__text {
    max-width: 640px;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-lg);
    line-height: 1.9;
    color: #3D5A6A;
}

.about-promise__cta {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-weight: 700;
}

.about-promise__cta:hover {
    background: #005F98;
    color: white;
    text-decoration: none;
}

/* ================================================
   7. Footer
   ================================================ */

.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer__section h4 {
    margin-bottom: var(--spacing-sm);
}

.footer__section ul {
    list-style: none;
}

.footer__section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer__section a {
    color: rgba(255, 255, 255, 0.8);
}

.footer__section a:hover {
    color: white;
    text-decoration: underline;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    opacity: 0.8;
    font-size: var(--font-size-sm);
}

/* ================================================
   8. Buttons
   ================================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

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

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

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

.btn--secondary:hover {
    background: var(--color-secondary);
}

/* ================================================
   9. Forms
   ================================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: inherit;
    transition: var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ================================================
   10. Utilities
   ================================================ */

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-gray);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }

.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }

/* ================================================
   11. Animations
   ================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}