/* ============================================================
   COURSES PAGE — courses.css
   Design: matches author.css — same colors, same card patterns,
   same animations, same container system, same button styles
============================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff; overflow-x: hidden; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.courses-hero-container,
.courses-filter-container,
.courses-tier-container,
.courses-why-container,
.courses-formats-container,
.courses-cta-wrap {
    max-width: 1600px; margin: 0 auto;
    padding-left: 5%; padding-right: 5%;
}

/* ---- HERO ---- */
.courses-hero {
    min-height: calc(100vh - 100px);
    background: linear-gradient(180deg, #ffffff 0%, #eff6ff 30%, #fff7ed 60%, #eff6ff 100%);
    padding: 5rem 0; position: relative; overflow: hidden;
}
.courses-hero::before {
    content: ''; position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
    border-radius: 50%; top: -100px; right: -100px;
    animation: courses-float 25s ease-in-out infinite; z-index: 0;
}
.courses-hero::after {
    content: ''; position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.06) 0%, transparent 70%);
    border-radius: 50%; bottom: -80px; left: -80px;
    animation: courses-float 20s ease-in-out infinite reverse; z-index: 0;
}
@keyframes courses-float {
    0%,100% { transform: translate(0,0) scale(1); }
    33%      { transform: translate(40px,-40px) scale(1.1); }
    66%      { transform: translate(-30px,30px) scale(0.95); }
}
.courses-hero-dots {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(59,130,246,0.07) 1px, transparent 1px);
    background-size: 40px 40px; pointer-events: none; opacity: 0.5; z-index: 0;
}
.courses-hero-container { position: relative; z-index: 1; text-align: center; animation: courses-fadeInUp 1s ease; }
@keyframes courses-fadeInUp {
    from { opacity: 0; transform: translateY(50px); }
    to   { opacity: 1; transform: translateY(0); }
}

.courses-hero-badge {
    display: inline-flex; align-items: center; gap: 0.8rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid #bfdbfe; padding: 0.75rem 2rem; border-radius: 100px;
    color: #1e40af; font-weight: 600; margin-bottom: 2.5rem;
    box-shadow: 0 8px 24px rgba(59,130,246,0.12), 0 2px 8px rgba(59,130,246,0.08);
    animation: courses-fadeInUp 1s ease 0.2s both; font-size: 0.95rem;
}
.courses-hero-badge-dot {
    width: 10px; height: 10px;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    border-radius: 50%; flex-shrink: 0;
    animation: courses-pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(16,185,129,0.7);
}
@keyframes courses-pulse-dot {
    0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.7); transform: scale(1); }
    50%      { box-shadow: 0 0 0 12px rgba(16,185,129,0); transform: scale(1.1); }
}

.courses-hero-title {
    font-size: clamp(2.5rem,5vw,4rem); font-weight: 900;
    color: #0f172a; letter-spacing: -0.02em; line-height: 1.15;
    margin-bottom: 0.5rem; animation: courses-fadeInUp 1s ease 0.3s both;
}
.courses-hero-title-accent {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #f97316 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block;
}
.courses-hero-subtitle {
    font-size: 1.2rem; color: #64748b; line-height: 1.8;
    max-width: 700px; margin: 1.25rem auto 2.5rem;
    animation: courses-fadeInUp 1s ease 0.4s both;
}
.courses-hero-cta {
    display: flex; gap: 1.2rem; justify-content: center;
    flex-wrap: wrap; margin-bottom: 4rem;
    animation: courses-fadeInUp 1s ease 0.45s both;
}

/* Buttons */
.courses-btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white; padding: 1.1rem 2.5rem; border-radius: 100px;
    text-decoration: none; font-weight: 700; font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 8px 24px rgba(30,64,175,0.25);
    display: inline-flex; align-items: center; gap: 0.6rem;
    position: relative; overflow: hidden;
}
.courses-btn-primary::before {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent);
    transition: left 0.6s ease;
}
.courses-btn-primary:hover::before { left: 100%; }
.courses-btn-primary:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(30,64,175,0.35); color: white; text-decoration: none; }

.courses-btn-secondary {
    background: white; color: #1e40af; padding: 1.1rem 2.5rem;
    border-radius: 100px; text-decoration: none; font-weight: 700; font-size: 1rem;
    border: 2px solid #1e40af; display: inline-flex; align-items: center; gap: 0.6rem;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 4px 16px rgba(30,64,175,0.1);
}
.courses-btn-secondary:hover { background: #1e40af; color: white; transform: translateY(-4px); box-shadow: 0 12px 32px rgba(30,64,175,0.25); text-decoration: none; }

/* Hero Stats */
.courses-hero-stats {
    display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem;
    animation: courses-fadeInUp 1s ease 0.5s both;
}
.courses-hero-stat {
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    border: 2px solid #f1f5f9; border-radius: 24px; padding: 2rem 1.5rem;
    text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    position: relative; overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.courses-hero-stat::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
    opacity: 0; transition: opacity 0.4s ease;
}
.courses-hero-stat:nth-child(even)::before { background: linear-gradient(90deg, #f97316 0%, #fb923c 100%); }
.courses-hero-stat:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(59,130,246,0.12); border-color: #bfdbfe; }
.courses-hero-stat:nth-child(even):hover { border-color: #fed7aa; box-shadow: 0 20px 48px rgba(249,115,22,0.12); }
.courses-hero-stat:hover::before { opacity: 1; }
.courses-hero-stat-icon { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }
.courses-hero-stat-num {
    font-size: 2.5rem; font-weight: 900; display: block;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    letter-spacing: -0.02em;
}
.courses-hero-stat:nth-child(even) .courses-hero-stat-num {
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.courses-hero-stat-label { font-size: 0.9rem; color: #475569; font-weight: 600; margin-top: 0.4rem; display: block; }

/* ---- FILTER BAR ---- */
.courses-filter {
    background: #ffffff;
    border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9;
    padding: 1.5rem 0; position: sticky; top: 0; z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.courses-filter-pills { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; }
.courses-filter-pill {
    padding: 0.55rem 1.25rem; border-radius: 100px;
    border: 2px solid #e2e8f0; background: #ffffff;
    color: #64748b; font-size: 0.875rem; font-weight: 600;
    cursor: pointer; transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    font-family: inherit;
}
.courses-filter-pill:hover { border-color: #3b82f6; color: #1e40af; background: #eff6ff; }
.courses-filter-pill.active {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    border-color: #1e40af; color: #fff;
    box-shadow: 0 4px 12px rgba(30,64,175,0.25);
}

/* ---- TIER SECTIONS ---- */
.courses-tier { padding: 6rem 0; background: #ffffff; }
.courses-tier + .courses-tier { background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%); }

.courses-tier-header { text-align: center; margin-bottom: 4rem; }
.courses-tier-badge {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    padding: 0.4rem 1.2rem; border-radius: 100px;
    margin-bottom: 1rem; letter-spacing: 0.08em; text-transform: uppercase; border: 2px solid;
}
.courses-tier-badge--green { background: #dcfce7; color: #16a34a; border-color: #bbf7d0; }
.courses-tier-badge--blue  { background: #dbeafe; color: #1d4ed8; border-color: #bfdbfe; }
.courses-tier-badge--red   { background: #fee2e2; color: #dc2626; border-color: #fecaca; }
.courses-tier-title {
    font-size: clamp(2rem,3.5vw,3rem); font-weight: 900;
    color: #0f172a; letter-spacing: -0.02em; margin: 0 0 0.75rem;
}
.courses-tier-meta { font-size: 1rem; color: #64748b; font-weight: 500; }

/* ---- COURSE GRID ---- */
.courses-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.75rem; }

/* ---- COURSE CARD ---- */
.course-card {
    background: #ffffff;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(30,64,175,0.07), 0 1px 4px rgba(0,0,0,0.05);
    border: 1.5px solid #e8eef8;
}
/* Top accent bar — always visible */
.course-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 5px; z-index: 2;
    background: linear-gradient(90deg, #1e40af 0%, #3b82f6 60%, #60a5fa 100%);
}
.course-card[data-color="orange"]::before { background: linear-gradient(90deg, #ea580c 0%, #f97316 60%, #fbbf24 100%); }
.course-card[data-color="purple"]::before   { background: linear-gradient(90deg, #7c3aed 0%, #8b5cf6 60%, #a78bfa 100%); }

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 52px rgba(30,64,175,0.15), 0 6px 16px rgba(30,64,175,0.08);
    border-color: #93c5fd;
}
.course-card[data-color="orange"]:hover { box-shadow: 0 20px 52px rgba(249,115,22,0.15), 0 6px 16px rgba(249,115,22,0.08); border-color: #fdba74; }
.course-card[data-color="purple"]:hover   { box-shadow: 0 20px 52px rgba(124,58,237,0.15), 0 6px 16px rgba(124,58,237,0.08); border-color: #c4b5fd; }

/* Card body — main content area */
.course-card-body { padding: 1.5rem 1.5rem 1.25rem; display: flex; flex-direction: column; gap: 0.9rem; flex: 1; }

/* Top row: icon + category + hot badge */
.course-card-top { display: flex; align-items: center; gap: 0.75rem; }

.course-card-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; line-height: 1;
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
    border: 2px solid #bfdbfe;
    transition: transform 0.3s ease;
}
.course-card:hover .course-card-icon-wrap { transform: rotate(-8deg) scale(1.1); }
.course-card[data-color="orange"] .course-card-icon-wrap { background: linear-gradient(135deg, #fed7aa 0%, #fff7ed 100%); border-color: #fdba74; }
.course-card[data-color="purple"]   .course-card-icon-wrap { background: linear-gradient(135deg, #ddd6fe 0%, #f5f3ff 100%); border-color: #c4b5fd; }

.course-card-badges { display: flex; flex-direction: column; align-items: flex-start; gap: 0.35rem; flex: 1; min-width: 0; }

.course-card-cat {
    font-size: 0.68rem; font-weight: 800; padding: 0.22rem 0.75rem;
    border-radius: 100px; text-transform: uppercase; letter-spacing: 0.07em;
    background: #dbeafe; color: #1d4ed8; border: 1.5px solid #bfdbfe;
    white-space: nowrap; display: inline-block;
}
.course-card[data-color="orange"] .course-card-cat { background: #fed7aa; color: #c2410c; border-color: #fdba74; }
.course-card[data-color="purple"]   .course-card-cat { background: #ddd6fe; color: #6d28d9; border-color: #c4b5fd; }

.course-card-hot {
    font-size: 0.65rem; font-weight: 800; padding: 0.2rem 0.65rem;
    border-radius: 100px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff; display: inline-block;
    box-shadow: 0 2px 8px rgba(249,115,22,0.45);
}

/* Title */
.course-card-title {
    font-size: 1.05rem; font-weight: 800; color: #0f172a;
    line-height: 1.4; margin: 0; letter-spacing: -0.01em;
    transition: color 0.2s ease;
}
.course-card:hover .course-card-title { color: #1d4ed8; }
.course-card[data-color="orange"]:hover .course-card-title { color: #c2410c; }
.course-card[data-color="purple"]:hover .course-card-title   { color: #6d28d9; }

/* Desc */
.course-card-desc {
    font-size: 0.855rem; color: #64748b; line-height: 1.65; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* Meta pills */
.course-card-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.course-card-meta-item {
    font-size: 0.72rem; color: #475569; font-weight: 600;
    background: #f1f5f9; padding: 0.25rem 0.7rem;
    border-radius: 100px; border: 1px solid #e2e8f0;
}

/* Footer */
.course-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.75rem; padding: 1rem 1.5rem 1.25rem;
    background: #f8faff;
    border-top: 1.5px solid #e8eef8;
}
.course-card[data-color="orange"] .course-card-footer { background: #fffaf5; border-top-color: #fed7aa; }
.course-card[data-color="purple"]   .course-card-footer { background: #faf5ff; border-top-color: #e9d5ff; }

.course-card-price { display: flex; flex-direction: column; gap: 0; }
.course-card-price-batch { font-size: 0.72rem; color: #94a3b8; font-weight: 500; line-height: 1.4; }
.course-card-price-batch strong { color: #0f172a; font-size: 1.2rem; font-weight: 900; margin-left: 2px; }
.course-card-price-solo { font-size: 0.68rem; color: #94a3b8; line-height: 1.4; }
.course-card-price-solo strong { color: #94a3b8; font-size: 0.82rem; font-weight: 700; }

.course-card-btn {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.65rem 1.3rem; border-radius: 100px;
    font-size: 0.82rem; font-weight: 700;
    text-decoration: none; white-space: nowrap;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #fff; transition: all 0.25s ease;
    box-shadow: 0 3px 12px rgba(30,64,175,0.3);
    position: relative; overflow: hidden;
}
.course-card[data-color="orange"] .course-card-btn { background: linear-gradient(135deg,#ea580c,#f97316); box-shadow: 0 3px 12px rgba(249,115,22,0.35); }
.course-card[data-color="purple"]   .course-card-btn { background: linear-gradient(135deg,#7c3aed,#8b5cf6); box-shadow: 0 3px 12px rgba(124,58,237,0.35); }

.course-card-btn::before {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg,transparent,rgba(255,255,255,0.28),transparent);
    transition: left 0.45s ease;
}
.course-card-btn:hover::before { left: 100%; }
.course-card-btn:hover { transform: translateY(-2px) scale(1.05); color: #fff; text-decoration: none; box-shadow: 0 6px 20px rgba(30,64,175,0.4); }
.course-card[data-color="orange"] .course-card-btn:hover { box-shadow: 0 6px 20px rgba(249,115,22,0.45); }
.course-card[data-color="purple"]   .course-card-btn:hover { box-shadow: 0 6px 20px rgba(124,58,237,0.45); }

/* ---- WHY LEARN FROM ME ---- */
.courses-why {
    padding: 6rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #fef3f2 50%, #fff7ed 100%);
    position: relative; overflow: hidden;
}
.courses-why::before {
    content: ''; position: absolute; top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.courses-why-header { text-align: center; margin-bottom: 4rem; }
.courses-why-tag {
    display: inline-block;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #1e40af; padding: 0.6rem 1.8rem; border-radius: 100px;
    font-size: 0.95rem; font-weight: 600; margin-bottom: 1.5rem;
    border: 2px solid #bfdbfe; box-shadow: 0 4px 12px rgba(59,130,246,0.1);
}
.courses-why-title { font-size: clamp(2rem,3.5vw,3rem); font-weight: 900; color: #0f172a; letter-spacing: -0.02em; margin: 0 0 1rem; }
.courses-why-subtitle { font-size: 1.15rem; color: #64748b; line-height: 1.8; }
.courses-why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }
.courses-why-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border: 2px solid #f1f5f9; border-radius: 28px; padding: 2.5rem 2rem;
    text-align: center; transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    position: relative; overflow: hidden;
}
.courses-why-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
    opacity: 0; transition: opacity 0.4s ease;
}
.courses-why-card:nth-child(even)::before { background: linear-gradient(90deg, #f97316 0%, #fb923c 100%); }
.courses-why-card:hover { transform: translateY(-12px); box-shadow: 0 24px 48px rgba(59,130,246,0.12); border-color: #bfdbfe; }
.courses-why-card:nth-child(even):hover { box-shadow: 0 24px 48px rgba(249,115,22,0.12); border-color: #fed7aa; }
.courses-why-card:hover::before { opacity: 1; }
.courses-why-card-icon { font-size: 3rem; margin-bottom: 1.25rem; display: block; transition: all 0.4s cubic-bezier(0.4,0,0.2,1); }
.courses-why-card:hover .courses-why-card-icon { transform: scale(1.1) rotate(5deg); }
.courses-why-card h3 { font-size: 1.1rem; font-weight: 800; color: #0f172a; margin: 0 0 0.75rem; }
.courses-why-card p { font-size: 0.9rem; color: #64748b; line-height: 1.7; margin: 0; }

/* ---- LEARNING FORMATS ---- */
.courses-formats { padding: 6rem 0; background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%); }
.courses-formats-header { text-align: center; margin-bottom: 4rem; }
.courses-formats-title { font-size: clamp(2rem,3.5vw,3rem); font-weight: 900; color: #0f172a; letter-spacing: -0.02em; margin: 0; }
.courses-formats-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; align-items: start; }
.courses-formats-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border: 2px solid #f1f5f9; border-radius: 28px; padding: 3rem 2.5rem;
    text-align: center; position: relative;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.courses-formats-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(59,130,246,0.1); border-color: #bfdbfe; }
.courses-formats-card--featured {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    border-color: #1e40af; transform: scale(1.04);
    box-shadow: 0 20px 60px rgba(30,64,175,0.3);
}
.courses-formats-card--featured:hover { transform: scale(1.04) translateY(-8px); box-shadow: 0 28px 72px rgba(30,64,175,0.4); }
.courses-formats-popular {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff; font-size: 0.72rem; font-weight: 700;
    padding: 0.3rem 1rem; border-radius: 100px;
    white-space: nowrap; text-transform: uppercase; letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(249,115,22,0.35);
}
.courses-formats-icon { font-size: 3rem; margin-bottom: 1.25rem; display: block; }
.courses-formats-card h3 { font-size: 1.2rem; font-weight: 800; color: #0f172a; margin: 0 0 0.75rem; }
.courses-formats-card--featured h3 { color: #fff; }
.courses-formats-card p { font-size: 0.9rem; color: #64748b; line-height: 1.7; margin: 0 0 1.5rem; }
.courses-formats-card--featured p { color: #bfdbfe; }
.courses-formats-price { font-size: 1rem; color: #1e40af; font-weight: 700; }
.courses-formats-price strong { font-size: 1.3rem; }
.courses-formats-card--featured .courses-formats-price { color: #fbbf24; }

/* ---- CTA ---- */
.courses-cta {
    padding: 7rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #fef3f2 50%, #fff7ed 100%);
    position: relative; overflow: hidden;
}
.courses-cta::before {
    content: ''; position: absolute; top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.courses-cta::after {
    content: ''; position: absolute; bottom: -150px; left: -150px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(249,115,22,0.05) 0%, transparent 70%);
    border-radius: 50%;
}
.courses-cta-inner {
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    padding: 6rem 5rem; border-radius: 32px; text-align: center;
    box-shadow: 0 24px 72px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.04);
    border: 2px solid #f1f5f9; position: relative; z-index: 1;
}
.courses-cta-title {
    font-size: clamp(2rem,3.5vw,3.5rem); font-weight: 900; color: #0f172a;
    letter-spacing: -0.02em; margin: 0 0 1.5rem; line-height: 1.2;
}
.courses-cta-title span {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.courses-cta-text { font-size: 1.2rem; color: #64748b; max-width: 700px; margin: 0 auto 3rem; line-height: 1.8; }
.courses-cta-btns { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1200px) {
    .courses-grid { grid-template-columns: repeat(2,1fr); }
    .courses-why-grid { grid-template-columns: repeat(2,1fr); }
    .courses-hero-stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 1024px) {
    .courses-formats-card--featured { transform: scale(1); }
    .courses-formats-card--featured:hover { transform: translateY(-8px); }
    .courses-formats-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}
@media (max-width: 768px) {
    .courses-hero { min-height: auto; padding: 3rem 0 2.5rem; }
    .courses-filter { position: static; }
    .courses-filter-pills { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.25rem; }
    .courses-filter-pill { white-space: nowrap; flex-shrink: 0; }
    .courses-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .courses-why-grid { grid-template-columns: 1fr; }
    .courses-hero-stats { grid-template-columns: repeat(2,1fr); gap: 1.25rem; }
    .courses-cta-inner { padding: 3.5rem 2rem; border-radius: 24px; }
    .courses-cta-title { font-size: 2rem; }
    .courses-cta-btns { flex-direction: column; }
    .courses-btn-primary, .courses-btn-secondary { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
    .courses-hero-stats { grid-template-columns: repeat(2,1fr); gap: 1rem; }
    .course-card-footer { flex-direction: column; align-items: flex-start; }
    .course-card-btn { width: 100%; justify-content: center; }
}
@media (hover: none) and (pointer: coarse) {
    .courses-btn-primary, .courses-btn-secondary { -webkit-tap-highlight-color: transparent; min-height: 48px; }
}