/**
 * Glowstone - Our Story Page Styles
 * Responsive, SEO-friendly, smooth animations
 */

:root {
    --os-gold: #c9a84c;
    --os-green: #3aaa8c;
    --os-cream: #f5f0ea;
    --os-black: #0d0c0b;
}

/* Scroll offset */
#main-content,
#road-section,
#certifications {
    scroll-margin-top: clamp(70px, 10vw, 90px);
}

/* Hero */
.sh {
    background: var(--os-black);
    padding: 160px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.sh::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(201, 168, 76, 0.07), transparent 60%);
    pointer-events: none;
}

.sh .bc {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(245, 240, 234, 0.65);
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 2;
}

.sh .bc a {
    color: rgba(245, 240, 234, 0.28);
    text-decoration: none;
}

.sh .bc a:hover {
    color: var(--os-gold);
}

.sh h1 {
    font-size: clamp(2.95rem, 6.25vw, 5.75rem);
    font-weight: 600;
    color: var(--os-cream);
    line-height: 1.05;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.sh h1 em {
    font-style: italic;
    color: var(--os-gold);
}

.sh p {
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    font-weight: 400;
    color: rgba(245, 240, 234, 0.82);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.9;
    position: relative;
    z-index: 2;
}

/* Road section */
#road-section {
    background: var(--os-black);
    padding: 0 0 80px;
    position: relative;
    overflow: hidden;
}

#road-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(201, 168, 76, 0.06) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

#road-svg-container {
    position: relative;
    width: 100%;
    z-index: 1;
}

#road-svg {
    display: block;
    width: 100%;
    overflow: visible;
}

#road-cards {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Milestone cards */
.r-card {
    position: absolute;
    width: min(300px, 38vw);
    pointer-events: auto;
    opacity: 0;
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.r-card.left {
    right: calc(50% + 115px);
    transform: translateX(-30px);
}

.r-card.right {
    left: calc(50% + 115px);
    transform: translateX(30px);
}

.r-card.show {
    opacity: 1;
    transform: translateX(0) !important;
}

/* When the road reaches a step, its block border lights up in the road's
   gold -> green colour (matches the animated road line). */
.r-card-inner {
    transition: border-color 0.5s ease;
}
.r-card.show .r-card-inner,
.mt-item.show .r-card-inner {
    border-image: linear-gradient(150deg, rgba(201, 168, 76, 0.95), rgba(58, 170, 140, 0.85)) 1;
    box-shadow: 0 0 18px rgba(201, 168, 76, 0.12);
}
.r-card.show .r-card-inner::before,
.r-card.show .r-card-inner::after,
.mt-item.show .r-card-inner::before,
.mt-item.show .r-card-inner::after {
    border-color: rgba(201, 168, 76, 0.95);
    transition: border-color 0.5s ease;
}

.r-card-inner {
    background: rgba(13, 12, 11, 0.9);
    border: 1px solid rgba(201, 168, 76, 0.18);
    padding: 1.6rem 1.8rem;
    position: relative;
}

.r-card-inner::before,
.r-card-inner::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-color: rgba(201, 168, 76, 0.4);
    border-style: solid;
}

.r-card-inner::before {
    top: 6px;
    left: 6px;
    border-width: 1px 0 0 1px;
}

.r-card-inner::after {
    bottom: 6px;
    right: 6px;
    border-width: 0 1px 1px 0;
}

.r-card.left .r-card-inner::after {
    right: 6px;
}

.r-arrow {
    position: absolute;
    top: 50%;
    width: 50px;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(201, 168, 76, 0.35));
    transform: translateY(-50%);
}

.r-card.left .r-arrow {
    right: -50px;
}

.r-card.right .r-arrow {
    left: -50px;
    background: linear-gradient(to left, transparent, rgba(201, 168, 76, 0.35));
}

.r-year {
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--os-gold);
    display: block;
    margin-bottom: 0.4rem;
}

.r-card-inner h3 {
    font-size: clamp(1.2rem, 1.8vw, 1.65rem);
    font-weight: 600;
    color: var(--os-cream);
    margin-bottom: 0.4rem;
    line-height: 1.15;
}

.r-card-inner h3 em {
    font-style: italic;
    color: var(--os-gold);
}

.r-card-inner p {
    font-size: clamp(0.92rem, 1vw, 1.02rem);
    font-weight: 400;
    color: rgba(245, 240, 234, 0.82);
    line-height: 1.78;
    margin: 0;
}

.r-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(58, 170, 140, 0.1);
    border: 1px solid rgba(58, 170, 140, 0.3);
    padding: 0.18rem 0.6rem;
    font-size: var(--text-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--os-green);
    margin-bottom: 0.5rem;
}

/* Certifications */
.sc {
    background: #09080a;
    padding: 80px 0;
    border-top: 1px solid rgba(201, 168, 76, 0.1);
}

.sc .lbl {
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--os-gold);
    display: block;
    margin-bottom: 0.7rem;
    text-align: center;
}

.sc h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 600;
    color: var(--os-cream);
    margin-bottom: 3rem;
    text-align: center;
}

.cg {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
    gap: 2px;
}

.ci {
    background: rgba(235, 228, 216, 0.03);
    border: 1px solid rgba(201, 168, 76, 0.08);
    padding: 2.2rem 1.2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
    opacity: 0;
    transform: translateY(18px);
}

.ci:nth-child(1) { transition-delay: 0s; }
.ci:nth-child(2) { transition-delay: 0.07s; }
.ci:nth-child(3) { transition-delay: 0.14s; }
.ci:nth-child(4) { transition-delay: 0.21s; }
.ci:nth-child(5) { transition-delay: 0.28s; }
.ci:nth-child(6) { transition-delay: 0.35s; }

.ci.visible {
    opacity: 1;
    transform: translateY(0);
}

.ci:hover {
    background: rgba(201, 168, 76, 0.05);
    border-color: rgba(201, 168, 76, 0.25);
    transform: translateY(-4px);
}

/* 120px badge box — SMETA, Two Star Export PNG, etc. */
.ci img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    object-position: center;
    margin: 0;
    flex-shrink: 0;
    filter: brightness(0.85);
}

/* CE mark — keep full brightness on dark section */
.ci img[src*="ce-logo.png"] {
    filter: none;
}

.ci img[src*="smeta.png"] {
    filter: none;
}

.ci img[src*="two-star-export.png"] {
    filter: none;
}

/* Mobile timeline */
#mobile-tl {
    display: none;
    padding: 0 5vw 20px;
    position: relative;
}

#mobile-tl::before {
    content: '';
    position: absolute;
    left: calc(5vw + 20px);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(var(--os-gold), var(--os-green));
    opacity: 0.25;
}

.mt-item {
    position: relative;
    padding: 0 0 28px 54px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.mt-item.show {
    opacity: 1;
    transform: translateX(0);
}

.mt-dot {
    position: absolute;
    left: 12px;
    top: 16px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--os-gold);
    box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.12), 0 0 10px rgba(201, 168, 76, 0.3);
}

.mt-item:last-child .mt-dot {
    background: var(--os-green);
    box-shadow: 0 0 0 4px rgba(58, 170, 140, 0.12), 0 0 10px rgba(58, 170, 140, 0.3);
}

/* Responsive */
@media (max-width: 991px) {
    .r-card {
        width: min(240px, 36vw);
    }
    .r-card.left {
        right: calc(50% + 110px);
    }
    .r-card.right {
        left: calc(50% + 110px);
    }
}

@media (max-width: 767px) {
    .sh {
        padding: 110px 0 50px;
    }
    #road-section {
        padding: 30px 0 50px;
    }
    #road-svg-container {
        display: none;
    }
    #mobile-tl {
        display: block !important;
    }
    .sc {
        padding: 50px 0;
    }
    .cg {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 575px) {
    .sh {
        padding: 100px 0 40px;
    }
    .sh h1 {
        font-size: clamp(2rem, 5vw, 2.5rem);
    }
    .sh p {
        font-size: 0.85rem;
    }
    .cg {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .ci {
        padding: 1.75rem 1rem;
    }
    .ci img {
        width: 88px;
        height: 88px;
    }
}

@media (max-width: 360px) {
    .sh {
        padding: 90px 0 35px;
    }
    .mt-item {
        padding: 0 0 24px 48px;
    }
    .mt-dot {
        width: 14px;
        height: 14px;
        left: 9px;
    }
}

/* Safe area */
@supports (padding: env(safe-area-inset-top)) {
    .sh .container {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .r-card,
    .ci,
    .mt-item {
        transition: none;
    }
    .ci:nth-child(n) {
        transition-delay: 0s;
    }
}