/* ==========================================================================
   ข้าวซอยเชียงใหม่ (Khao Soi Chiang Mai) - Design System & Stylesheet
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-main: #FDF8F2;
    --bg-secondary: #F7ECE1;
    --bg-card: #FFFFFF;
    
    --primary-burgundy: #8B1E1E;
    --primary-burgundy-hover: #721616;
    --primary-dark-burgundy: #541111;
    
    --text-primary: #3D2314;
    --text-secondary: #6E5849;
    --text-muted: #9E8878;
    
    --accent-gold: #D49B3E;
    --accent-gold-light: #FCEFD8;
    
    --shadow-soft: 0 8px 24px rgba(139, 30, 30, 0.08);
    --shadow-hover: 0 14px 32px rgba(139, 30, 30, 0.16);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --font-lanna: 'Charm', 'Charmonman', cursive, serif;
    --font-heading: 'Prompt', 'Kanit', sans-serif;
    --font-body: 'Prompt', 'Sarabun', sans-serif;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.font-lanna {
    font-family: var(--font-lanna);
    letter-spacing: 0.5px;
}

/* Layout Container */
.section-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(253, 248, 242, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(139, 30, 30, 0.08);
    padding: 10px 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-burgundy);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-burgundy);
    line-height: 1.15;
}

.brand-subtitle {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 4px 0;
    transition: color 0.25s ease;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2.5px;
    background-color: var(--primary-burgundy);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-burgundy);
    color: #FFFFFF;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(139, 30, 30, 0.25);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.location-badge:hover {
    background-color: var(--primary-burgundy-hover);
    transform: translateY(-1px);
}

/* Hamburger for mobile */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background-color: var(--primary-burgundy);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-main);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.2);
    z-index: 200;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-drawer.open {
    right: 0;
}

.close-drawer {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ==========================================================================
   Hero Section (Full-Bleed Menu Background)
   ========================================================================== */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 580px;
    background-image: url('images/hero-khao-soi.jpg');
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(22, 10, 5, 0.94) 0%,
        rgba(30, 14, 8, 0.85) 45%,
        rgba(30, 14, 8, 0.45) 75%,
        rgba(30, 14, 8, 0.15) 100%
    );
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1140px;
    margin: 0 auto;
    padding: 60px 24px;
    width: 100%;
}

.hero-content {
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    color: #FFFFFF;
}

.hero-title {
    display: flex;
    flex-direction: column;
}

.title-main {
    font-size: 4rem;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.1;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.title-sub {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-top: 6px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.hero-location-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 6px 18px;
    border-radius: var(--radius-full);
    width: fit-content;
    margin-top: 4px;
}

.loc-pin {
    font-size: 1.1rem;
}

.mountain-vector {
    color: var(--accent-gold);
    margin-left: 8px;
    display: flex;
    align-items: center;
}

/* ==========================================================================
   Popular Menu Section
   ========================================================================== */
.popular-menu-section {
    padding: 72px 0 88px 0;
    background-color: var(--bg-main);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

.lanna-diamond {
    color: var(--primary-burgundy);
    font-size: 1.4rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.menu-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.menu-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 10;
    background-color: var(--primary-burgundy);
    color: #FFFFFF;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card-img-holder {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.menu-card:hover .card-img {
    transform: scale(1.06);
}

.card-body {
    padding: 24px 20px 22px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.price-btn {
    margin-top: auto;
    background-color: var(--primary-burgundy);
    color: #FFFFFF;
    border: none;
    padding: 10px 36px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(139, 30, 30, 0.25);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.price-btn:hover {
    background-color: var(--primary-burgundy-hover);
    transform: scale(1.05);
}

/* ==========================================================================
   Why Us / Features Section
   ========================================================================== */
.why-us-section {
    padding: 60px 0;
    background-color: #F4ECE1;
    border-top: 1px solid rgba(139, 30, 30, 0.06);
    border-bottom: 1px solid rgba(139, 30, 30, 0.06);
}

.why-us-container {
    display: grid;
    grid-template-columns: 0.8fr 1.6fr;
    align-items: center;
    gap: 40px;
}

.why-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

.accent-line {
    width: 60px;
    height: 3.5px;
    background-color: var(--primary-burgundy);
    margin-top: 12px;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.icon-circle {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background-color: #FFFFFF;
    color: var(--primary-burgundy);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(139, 30, 30, 0.08);
    transition: all 0.3s ease;
}

.feature-item:hover .icon-circle {
    transform: translateY(-4px);
    background-color: var(--primary-burgundy);
    color: #FFFFFF;
}

.feature-label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about-section {
    padding: 88px 0;
    background-color: var(--bg-main);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 52px;
}

.about-img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.about-content-col {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.about-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.about-text {
    font-size: 1.08rem;
    color: var(--text-secondary);
    line-height: 1.85;
}

.about-quote-box {
    margin-top: 10px;
    display: inline-block;
}

.about-quote {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-burgundy);
}

.quote-underline {
    color: var(--primary-burgundy);
    width: 200px;
    height: 12px;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-section {
    padding: 68px 0 92px 0;
    background-color: #F7ECE1;
}

.testimonials-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 44px;
    text-align: left;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background-color: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.reviewer-header {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.reviewer-avatar {
    flex-shrink: 0;
}

.reviewer-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.stars-row {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.star {
    color: #F5A623;
    font-size: 1.05rem;
}

.reviewer-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-left: 8px;
}

/* ==========================================================================
   Footer & Contact Section
   ========================================================================== */
.footer-section {
    background-color: var(--primary-burgundy);
    color: #FFFFFF;
    position: relative;
    padding-top: 60px;
    overflow: hidden;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    padding-bottom: 60px;
    position: relative;
    z-index: 2;
}

.footer-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 30px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.contact-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.16);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.line-icon span {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-val {
    font-size: 1.05rem;
    font-weight: 600;
    color: #FFFFFF;
}

.link-val:hover {
    text-decoration: underline;
}

.wooden-sign-wrapper {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.wooden-sign-img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 18px 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.92);
    position: relative;
    z-index: 2;
}

.lanna-sub-diamond {
    color: var(--accent-gold);
}

/* ==========================================================================
   Order / Inquiry Modal
   ========================================================================== */
.order-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(5px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.order-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-main);
    width: 90%;
    max-width: 440px;
    border-radius: var(--radius-md);
    padding: 32px 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.order-modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-primary);
}

.modal-header h3 {
    font-size: 1.8rem;
    color: var(--primary-burgundy);
    margin-bottom: 8px;
}

.modal-item-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-item-price {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-burgundy);
    margin-bottom: 20px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.form-input {
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(139, 30, 30, 0.2);
    background-color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
}

.form-input:focus {
    border-color: var(--primary-burgundy);
    box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.12);
}

.confirm-order-btn {
    margin-top: 12px;
    background-color: #06C755;
    color: #FFFFFF;
    border: none;
    padding: 13px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.confirm-order-btn:hover {
    background-color: #05B34C;
    transform: translateY(-1px);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .hero-section {
        min-height: 480px;
    }
    
    .hero-bg-overlay {
        background: linear-gradient(
            90deg,
            rgba(22, 10, 5, 0.92) 0%,
            rgba(30, 14, 8, 0.85) 60%,
            rgba(30, 14, 8, 0.65) 100%
        );
    }
    
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .why-title {
        text-align: center;
    }
    
    .accent-line {
        margin: 12px auto 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .title-main {
        font-size: 2.8rem;
    }
    
    .title-sub {
        font-size: 1.5rem;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}